3364 lines
495 KiB
JavaScript
3364 lines
495 KiB
JavaScript
// Underscore.js 1.6.0
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// http://underscorejs.org
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// (c) 2009-2014 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
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// Underscore may be freely distributed under the MIT license.
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(function() {
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// Baseline setup
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// --------------
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// Establish the root object, `window` in the browser, or `exports` on the server.
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var root = this;
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// Save the previous value of the `_` variable.
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var previousUnderscore = root._;
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// Establish the object that gets returned to break out of a loop iteration.
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var breaker = {};
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// Save bytes in the minified (but not gzipped) version:
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var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
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// Create quick reference variables for speed access to core prototypes.
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var
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push = ArrayProto.push,
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slice = ArrayProto.slice,
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concat = ArrayProto.concat,
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toString = ObjProto.toString,
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hasOwnProperty = ObjProto.hasOwnProperty;
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// All **ECMAScript 5** native function implementations that we hope to use
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// are declared here.
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var
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nativeForEach = ArrayProto.forEach,
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nativeMap = ArrayProto.map,
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nativeReduce = ArrayProto.reduce,
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nativeReduceRight = ArrayProto.reduceRight,
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nativeFilter = ArrayProto.filter,
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nativeEvery = ArrayProto.every,
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nativeSome = ArrayProto.some,
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nativeIndexOf = ArrayProto.indexOf,
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nativeLastIndexOf = ArrayProto.lastIndexOf,
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nativeIsArray = Array.isArray,
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nativeKeys = Object.keys,
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nativeBind = FuncProto.bind;
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// Create a safe reference to the Underscore object for use below.
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var _ = function(obj) {
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if (obj instanceof _) return obj;
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if (!(this instanceof _)) return new _(obj);
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this._wrapped = obj;
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};
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// Export the Underscore object for **Node.js**, with
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// backwards-compatibility for the old `require()` API. If we're in
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// the browser, add `_` as a global object via a string identifier,
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// for Closure Compiler "advanced" mode.
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if (typeof exports !== 'undefined') {
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if (typeof module !== 'undefined' && module.exports) {
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exports = module.exports = _;
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}
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exports._ = _;
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} else {
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root._ = _;
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}
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// Current version.
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_.VERSION = '1.6.0';
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// Collection Functions
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// --------------------
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// The cornerstone, an `each` implementation, aka `forEach`.
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// Handles objects with the built-in `forEach`, arrays, and raw objects.
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// Delegates to **ECMAScript 5**'s native `forEach` if available.
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var each = _.each = _.forEach = function(obj, iterator, context) {
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if (obj == null) return obj;
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if (nativeForEach && obj.forEach === nativeForEach) {
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obj.forEach(iterator, context);
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} else if (obj.length === +obj.length) {
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for (var i = 0, length = obj.length; i < length; i++) {
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if (iterator.call(context, obj[i], i, obj) === breaker) return;
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}
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} else {
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var keys = _.keys(obj);
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for (var i = 0, length = keys.length; i < length; i++) {
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if (iterator.call(context, obj[keys[i]], keys[i], obj) === breaker) return;
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}
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}
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return obj;
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};
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// Return the results of applying the iterator to each element.
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// Delegates to **ECMAScript 5**'s native `map` if available.
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_.map = _.collect = function(obj, iterator, context) {
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var results = [];
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if (obj == null) return results;
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if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
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each(obj, function(value, index, list) {
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results.push(iterator.call(context, value, index, list));
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});
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return results;
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};
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var reduceError = 'Reduce of empty array with no initial value';
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// **Reduce** builds up a single result from a list of values, aka `inject`,
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// or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
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_.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
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var initial = arguments.length > 2;
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if (obj == null) obj = [];
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if (nativeReduce && obj.reduce === nativeReduce) {
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if (context) iterator = _.bind(iterator, context);
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return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
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}
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each(obj, function(value, index, list) {
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if (!initial) {
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memo = value;
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initial = true;
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} else {
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memo = iterator.call(context, memo, value, index, list);
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}
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});
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if (!initial) throw new TypeError(reduceError);
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return memo;
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};
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// The right-associative version of reduce, also known as `foldr`.
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// Delegates to **ECMAScript 5**'s native `reduceRight` if available.
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_.reduceRight = _.foldr = function(obj, iterator, memo, context) {
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var initial = arguments.length > 2;
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if (obj == null) obj = [];
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if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
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if (context) iterator = _.bind(iterator, context);
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return initial ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
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}
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var length = obj.length;
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if (length !== +length) {
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var keys = _.keys(obj);
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length = keys.length;
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}
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each(obj, function(value, index, list) {
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index = keys ? keys[--length] : --length;
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if (!initial) {
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memo = obj[index];
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initial = true;
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} else {
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memo = iterator.call(context, memo, obj[index], index, list);
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}
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});
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if (!initial) throw new TypeError(reduceError);
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return memo;
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};
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// Return the first value which passes a truth test. Aliased as `detect`.
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_.find = _.detect = function(obj, predicate, context) {
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var result;
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any(obj, function(value, index, list) {
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if (predicate.call(context, value, index, list)) {
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result = value;
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return true;
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}
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});
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return result;
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};
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// Return all the elements that pass a truth test.
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// Delegates to **ECMAScript 5**'s native `filter` if available.
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// Aliased as `select`.
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_.filter = _.select = function(obj, predicate, context) {
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var results = [];
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if (obj == null) return results;
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if (nativeFilter && obj.filter === nativeFilter) return obj.filter(predicate, context);
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each(obj, function(value, index, list) {
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if (predicate.call(context, value, index, list)) results.push(value);
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});
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return results;
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};
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// Return all the elements for which a truth test fails.
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_.reject = function(obj, predicate, context) {
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return _.filter(obj, function(value, index, list) {
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return !predicate.call(context, value, index, list);
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}, context);
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};
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// Determine whether all of the elements match a truth test.
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// Delegates to **ECMAScript 5**'s native `every` if available.
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// Aliased as `all`.
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_.every = _.all = function(obj, predicate, context) {
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predicate || (predicate = _.identity);
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var result = true;
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if (obj == null) return result;
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if (nativeEvery && obj.every === nativeEvery) return obj.every(predicate, context);
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each(obj, function(value, index, list) {
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if (!(result = result && predicate.call(context, value, index, list))) return breaker;
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});
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return !!result;
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};
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// Determine if at least one element in the object matches a truth test.
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// Delegates to **ECMAScript 5**'s native `some` if available.
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// Aliased as `any`.
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var any = _.some = _.any = function(obj, predicate, context) {
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predicate || (predicate = _.identity);
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var result = false;
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if (obj == null) return result;
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if (nativeSome && obj.some === nativeSome) return obj.some(predicate, context);
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each(obj, function(value, index, list) {
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if (result || (result = predicate.call(context, value, index, list))) return breaker;
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});
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return !!result;
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};
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// Determine if the array or object contains a given value (using `===`).
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// Aliased as `include`.
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_.contains = _.include = function(obj, target) {
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if (obj == null) return false;
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if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
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return any(obj, function(value) {
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return value === target;
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});
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};
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// Invoke a method (with arguments) on every item in a collection.
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_.invoke = function(obj, method) {
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var args = slice.call(arguments, 2);
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var isFunc = _.isFunction(method);
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return _.map(obj, function(value) {
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return (isFunc ? method : value[method]).apply(value, args);
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});
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};
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// Convenience version of a common use case of `map`: fetching a property.
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_.pluck = function(obj, key) {
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return _.map(obj, _.property(key));
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};
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// Convenience version of a common use case of `filter`: selecting only objects
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// containing specific `key:value` pairs.
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_.where = function(obj, attrs) {
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return _.filter(obj, _.matches(attrs));
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};
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// Convenience version of a common use case of `find`: getting the first object
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// containing specific `key:value` pairs.
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_.findWhere = function(obj, attrs) {
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return _.find(obj, _.matches(attrs));
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};
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// Return the maximum element or (element-based computation).
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// Can't optimize arrays of integers longer than 65,535 elements.
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// See [WebKit Bug 80797](https://bugs.webkit.org/show_bug.cgi?id=80797)
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_.max = function(obj, iterator, context) {
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if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
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return Math.max.apply(Math, obj);
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}
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var result = -Infinity, lastComputed = -Infinity;
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each(obj, function(value, index, list) {
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var computed = iterator ? iterator.call(context, value, index, list) : value;
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if (computed > lastComputed) {
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result = value;
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lastComputed = computed;
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}
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});
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return result;
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};
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// Return the minimum element (or element-based computation).
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_.min = function(obj, iterator, context) {
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if (!iterator && _.isArray(obj) && obj[0] === +obj[0] && obj.length < 65535) {
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return Math.min.apply(Math, obj);
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}
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var result = Infinity, lastComputed = Infinity;
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each(obj, function(value, index, list) {
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var computed = iterator ? iterator.call(context, value, index, list) : value;
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if (computed < lastComputed) {
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result = value;
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lastComputed = computed;
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}
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});
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return result;
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};
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// Shuffle an array, using the modern version of the
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// [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
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_.shuffle = function(obj) {
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var rand;
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var index = 0;
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var shuffled = [];
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each(obj, function(value) {
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rand = _.random(index++);
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shuffled[index - 1] = shuffled[rand];
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shuffled[rand] = value;
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});
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return shuffled;
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};
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// Sample **n** random values from a collection.
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// If **n** is not specified, returns a single random element.
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// The internal `guard` argument allows it to work with `map`.
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_.sample = function(obj, n, guard) {
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if (n == null || guard) {
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if (obj.length !== +obj.length) obj = _.values(obj);
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return obj[_.random(obj.length - 1)];
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}
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return _.shuffle(obj).slice(0, Math.max(0, n));
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};
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// An internal function to generate lookup iterators.
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var lookupIterator = function(value) {
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if (value == null) return _.identity;
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if (_.isFunction(value)) return value;
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return _.property(value);
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};
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// Sort the object's values by a criterion produced by an iterator.
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_.sortBy = function(obj, iterator, context) {
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iterator = lookupIterator(iterator);
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return _.pluck(_.map(obj, function(value, index, list) {
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return {
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value: value,
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index: index,
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criteria: iterator.call(context, value, index, list)
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};
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}).sort(function(left, right) {
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var a = left.criteria;
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var b = right.criteria;
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if (a !== b) {
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if (a > b || a === void 0) return 1;
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if (a < b || b === void 0) return -1;
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}
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return left.index - right.index;
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}), 'value');
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};
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// An internal function used for aggregate "group by" operations.
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var group = function(behavior) {
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return function(obj, iterator, context) {
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var result = {};
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iterator = lookupIterator(iterator);
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each(obj, function(value, index) {
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var key = iterator.call(context, value, index, obj);
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behavior(result, key, value);
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});
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return result;
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};
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};
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// Groups the object's values by a criterion. Pass either a string attribute
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// to group by, or a function that returns the criterion.
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_.groupBy = group(function(result, key, value) {
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_.has(result, key) ? result[key].push(value) : result[key] = [value];
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});
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// Indexes the object's values by a criterion, similar to `groupBy`, but for
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// when you know that your index values will be unique.
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_.indexBy = group(function(result, key, value) {
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result[key] = value;
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});
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// Counts instances of an object that group by a certain criterion. Pass
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// either a string attribute to count by, or a function that returns the
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// criterion.
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_.countBy = group(function(result, key) {
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_.has(result, key) ? result[key]++ : result[key] = 1;
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});
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// Use a comparator function to figure out the smallest index at which
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// an object should be inserted so as to maintain order. Uses binary search.
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_.sortedIndex = function(array, obj, iterator, context) {
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iterator = lookupIterator(iterator);
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var value = iterator.call(context, obj);
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var low = 0, high = array.length;
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while (low < high) {
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var mid = (low + high) >>> 1;
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iterator.call(context, array[mid]) < value ? low = mid + 1 : high = mid;
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}
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return low;
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};
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// Safely create a real, live array from anything iterable.
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_.toArray = function(obj) {
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if (!obj) return [];
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if (_.isArray(obj)) return slice.call(obj);
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if (obj.length === +obj.length) return _.map(obj, _.identity);
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return _.values(obj);
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};
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// Return the number of elements in an object.
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_.size = function(obj) {
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if (obj == null) return 0;
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return (obj.length === +obj.length) ? obj.length : _.keys(obj).length;
|
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};
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// Array Functions
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// ---------------
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// Get the first element of an array. Passing **n** will return the first N
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// values in the array. Aliased as `head` and `take`. The **guard** check
|
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// allows it to work with `_.map`.
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_.first = _.head = _.take = function(array, n, guard) {
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if (array == null) return void 0;
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if ((n == null) || guard) return array[0];
|
||
if (n < 0) return [];
|
||
return slice.call(array, 0, n);
|
||
};
|
||
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||
// Returns everything but the last entry of the array. Especially useful on
|
||
// the arguments object. Passing **n** will return all the values in
|
||
// the array, excluding the last N. The **guard** check allows it to work with
|
||
// `_.map`.
|
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_.initial = function(array, n, guard) {
|
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return slice.call(array, 0, array.length - ((n == null) || guard ? 1 : n));
|
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};
|
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|
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// Get the last element of an array. Passing **n** will return the last N
|
||
// values in the array. The **guard** check allows it to work with `_.map`.
|
||
_.last = function(array, n, guard) {
|
||
if (array == null) return void 0;
|
||
if ((n == null) || guard) return array[array.length - 1];
|
||
return slice.call(array, Math.max(array.length - n, 0));
|
||
};
|
||
|
||
// Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
|
||
// Especially useful on the arguments object. Passing an **n** will return
|
||
// the rest N values in the array. The **guard**
|
||
// check allows it to work with `_.map`.
|
||
_.rest = _.tail = _.drop = function(array, n, guard) {
|
||
return slice.call(array, (n == null) || guard ? 1 : n);
|
||
};
|
||
|
||
// Trim out all falsy values from an array.
|
||
_.compact = function(array) {
|
||
return _.filter(array, _.identity);
|
||
};
|
||
|
||
// Internal implementation of a recursive `flatten` function.
|
||
var flatten = function(input, shallow, output) {
|
||
if (shallow && _.every(input, _.isArray)) {
|
||
return concat.apply(output, input);
|
||
}
|
||
each(input, function(value) {
|
||
if (_.isArray(value) || _.isArguments(value)) {
|
||
shallow ? push.apply(output, value) : flatten(value, shallow, output);
|
||
} else {
|
||
output.push(value);
|
||
}
|
||
});
|
||
return output;
|
||
};
|
||
|
||
// Flatten out an array, either recursively (by default), or just one level.
|
||
_.flatten = function(array, shallow) {
|
||
return flatten(array, shallow, []);
|
||
};
|
||
|
||
// Return a version of the array that does not contain the specified value(s).
|
||
_.without = function(array) {
|
||
return _.difference(array, slice.call(arguments, 1));
|
||
};
|
||
|
||
// Split an array into two arrays: one whose elements all satisfy the given
|
||
// predicate, and one whose elements all do not satisfy the predicate.
|
||
_.partition = function(array, predicate) {
|
||
var pass = [], fail = [];
|
||
each(array, function(elem) {
|
||
(predicate(elem) ? pass : fail).push(elem);
|
||
});
|
||
return [pass, fail];
|
||
};
|
||
|
||
// Produce a duplicate-free version of the array. If the array has already
|
||
// been sorted, you have the option of using a faster algorithm.
|
||
// Aliased as `unique`.
|
||
_.uniq = _.unique = function(array, isSorted, iterator, context) {
|
||
if (_.isFunction(isSorted)) {
|
||
context = iterator;
|
||
iterator = isSorted;
|
||
isSorted = false;
|
||
}
|
||
var initial = iterator ? _.map(array, iterator, context) : array;
|
||
var results = [];
|
||
var seen = [];
|
||
each(initial, function(value, index) {
|
||
if (isSorted ? (!index || seen[seen.length - 1] !== value) : !_.contains(seen, value)) {
|
||
seen.push(value);
|
||
results.push(array[index]);
|
||
}
|
||
});
|
||
return results;
|
||
};
|
||
|
||
// Produce an array that contains the union: each distinct element from all of
|
||
// the passed-in arrays.
|
||
_.union = function() {
|
||
return _.uniq(_.flatten(arguments, true));
|
||
};
|
||
|
||
// Produce an array that contains every item shared between all the
|
||
// passed-in arrays.
|
||
_.intersection = function(array) {
|
||
var rest = slice.call(arguments, 1);
|
||
return _.filter(_.uniq(array), function(item) {
|
||
return _.every(rest, function(other) {
|
||
return _.contains(other, item);
|
||
});
|
||
});
|
||
};
|
||
|
||
// Take the difference between one array and a number of other arrays.
|
||
// Only the elements present in just the first array will remain.
|
||
_.difference = function(array) {
|
||
var rest = concat.apply(ArrayProto, slice.call(arguments, 1));
|
||
return _.filter(array, function(value){ return !_.contains(rest, value); });
|
||
};
|
||
|
||
// Zip together multiple lists into a single array -- elements that share
|
||
// an index go together.
|
||
_.zip = function() {
|
||
var length = _.max(_.pluck(arguments, 'length').concat(0));
|
||
var results = new Array(length);
|
||
for (var i = 0; i < length; i++) {
|
||
results[i] = _.pluck(arguments, '' + i);
|
||
}
|
||
return results;
|
||
};
|
||
|
||
// Converts lists into objects. Pass either a single array of `[key, value]`
|
||
// pairs, or two parallel arrays of the same length -- one of keys, and one of
|
||
// the corresponding values.
|
||
_.object = function(list, values) {
|
||
if (list == null) return {};
|
||
var result = {};
|
||
for (var i = 0, length = list.length; i < length; i++) {
|
||
if (values) {
|
||
result[list[i]] = values[i];
|
||
} else {
|
||
result[list[i][0]] = list[i][1];
|
||
}
|
||
}
|
||
return result;
|
||
};
|
||
|
||
// If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
|
||
// we need this function. Return the position of the first occurrence of an
|
||
// item in an array, or -1 if the item is not included in the array.
|
||
// Delegates to **ECMAScript 5**'s native `indexOf` if available.
|
||
// If the array is large and already in sort order, pass `true`
|
||
// for **isSorted** to use binary search.
|
||
_.indexOf = function(array, item, isSorted) {
|
||
if (array == null) return -1;
|
||
var i = 0, length = array.length;
|
||
if (isSorted) {
|
||
if (typeof isSorted == 'number') {
|
||
i = (isSorted < 0 ? Math.max(0, length + isSorted) : isSorted);
|
||
} else {
|
||
i = _.sortedIndex(array, item);
|
||
return array[i] === item ? i : -1;
|
||
}
|
||
}
|
||
if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item, isSorted);
|
||
for (; i < length; i++) if (array[i] === item) return i;
|
||
return -1;
|
||
};
|
||
|
||
// Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
|
||
_.lastIndexOf = function(array, item, from) {
|
||
if (array == null) return -1;
|
||
var hasIndex = from != null;
|
||
if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) {
|
||
return hasIndex ? array.lastIndexOf(item, from) : array.lastIndexOf(item);
|
||
}
|
||
var i = (hasIndex ? from : array.length);
|
||
while (i--) if (array[i] === item) return i;
|
||
return -1;
|
||
};
|
||
|
||
// Generate an integer Array containing an arithmetic progression. A port of
|
||
// the native Python `range()` function. See
|
||
// [the Python documentation](http://docs.python.org/library/functions.html#range).
|
||
_.range = function(start, stop, step) {
|
||
if (arguments.length <= 1) {
|
||
stop = start || 0;
|
||
start = 0;
|
||
}
|
||
step = arguments[2] || 1;
|
||
|
||
var length = Math.max(Math.ceil((stop - start) / step), 0);
|
||
var idx = 0;
|
||
var range = new Array(length);
|
||
|
||
while(idx < length) {
|
||
range[idx++] = start;
|
||
start += step;
|
||
}
|
||
|
||
return range;
|
||
};
|
||
|
||
// Function (ahem) Functions
|
||
// ------------------
|
||
|
||
// Reusable constructor function for prototype setting.
|
||
var ctor = function(){};
|
||
|
||
// Create a function bound to a given object (assigning `this`, and arguments,
|
||
// optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
|
||
// available.
|
||
_.bind = function(func, context) {
|
||
var args, bound;
|
||
if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
|
||
if (!_.isFunction(func)) throw new TypeError;
|
||
args = slice.call(arguments, 2);
|
||
return bound = function() {
|
||
if (!(this instanceof bound)) return func.apply(context, args.concat(slice.call(arguments)));
|
||
ctor.prototype = func.prototype;
|
||
var self = new ctor;
|
||
ctor.prototype = null;
|
||
var result = func.apply(self, args.concat(slice.call(arguments)));
|
||
if (Object(result) === result) return result;
|
||
return self;
|
||
};
|
||
};
|
||
|
||
// Partially apply a function by creating a version that has had some of its
|
||
// arguments pre-filled, without changing its dynamic `this` context. _ acts
|
||
// as a placeholder, allowing any combination of arguments to be pre-filled.
|
||
_.partial = function(func) {
|
||
var boundArgs = slice.call(arguments, 1);
|
||
return function() {
|
||
var position = 0;
|
||
var args = boundArgs.slice();
|
||
for (var i = 0, length = args.length; i < length; i++) {
|
||
if (args[i] === _) args[i] = arguments[position++];
|
||
}
|
||
while (position < arguments.length) args.push(arguments[position++]);
|
||
return func.apply(this, args);
|
||
};
|
||
};
|
||
|
||
// Bind a number of an object's methods to that object. Remaining arguments
|
||
// are the method names to be bound. Useful for ensuring that all callbacks
|
||
// defined on an object belong to it.
|
||
_.bindAll = function(obj) {
|
||
var funcs = slice.call(arguments, 1);
|
||
if (funcs.length === 0) throw new Error('bindAll must be passed function names');
|
||
each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
|
||
return obj;
|
||
};
|
||
|
||
// Memoize an expensive function by storing its results.
|
||
_.memoize = function(func, hasher) {
|
||
var memo = {};
|
||
hasher || (hasher = _.identity);
|
||
return function() {
|
||
var key = hasher.apply(this, arguments);
|
||
return _.has(memo, key) ? memo[key] : (memo[key] = func.apply(this, arguments));
|
||
};
|
||
};
|
||
|
||
// Delays a function for the given number of milliseconds, and then calls
|
||
// it with the arguments supplied.
|
||
_.delay = function(func, wait) {
|
||
var args = slice.call(arguments, 2);
|
||
return setTimeout(function(){ return func.apply(null, args); }, wait);
|
||
};
|
||
|
||
// Defers a function, scheduling it to run after the current call stack has
|
||
// cleared.
|
||
_.defer = function(func) {
|
||
return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
|
||
};
|
||
|
||
// Returns a function, that, when invoked, will only be triggered at most once
|
||
// during a given window of time. Normally, the throttled function will run
|
||
// as much as it can, without ever going more than once per `wait` duration;
|
||
// but if you'd like to disable the execution on the leading edge, pass
|
||
// `{leading: false}`. To disable execution on the trailing edge, ditto.
|
||
_.throttle = function(func, wait, options) {
|
||
var context, args, result;
|
||
var timeout = null;
|
||
var previous = 0;
|
||
options || (options = {});
|
||
var later = function() {
|
||
previous = options.leading === false ? 0 : _.now();
|
||
timeout = null;
|
||
result = func.apply(context, args);
|
||
context = args = null;
|
||
};
|
||
return function() {
|
||
var now = _.now();
|
||
if (!previous && options.leading === false) previous = now;
|
||
var remaining = wait - (now - previous);
|
||
context = this;
|
||
args = arguments;
|
||
if (remaining <= 0) {
|
||
clearTimeout(timeout);
|
||
timeout = null;
|
||
previous = now;
|
||
result = func.apply(context, args);
|
||
context = args = null;
|
||
} else if (!timeout && options.trailing !== false) {
|
||
timeout = setTimeout(later, remaining);
|
||
}
|
||
return result;
|
||
};
|
||
};
|
||
|
||
// Returns a function, that, as long as it continues to be invoked, will not
|
||
// be triggered. The function will be called after it stops being called for
|
||
// N milliseconds. If `immediate` is passed, trigger the function on the
|
||
// leading edge, instead of the trailing.
|
||
_.debounce = function(func, wait, immediate) {
|
||
var timeout, args, context, timestamp, result;
|
||
|
||
var later = function() {
|
||
var last = _.now() - timestamp;
|
||
if (last < wait) {
|
||
timeout = setTimeout(later, wait - last);
|
||
} else {
|
||
timeout = null;
|
||
if (!immediate) {
|
||
result = func.apply(context, args);
|
||
context = args = null;
|
||
}
|
||
}
|
||
};
|
||
|
||
return function() {
|
||
context = this;
|
||
args = arguments;
|
||
timestamp = _.now();
|
||
var callNow = immediate && !timeout;
|
||
if (!timeout) {
|
||
timeout = setTimeout(later, wait);
|
||
}
|
||
if (callNow) {
|
||
result = func.apply(context, args);
|
||
context = args = null;
|
||
}
|
||
|
||
return result;
|
||
};
|
||
};
|
||
|
||
// Returns a function that will be executed at most one time, no matter how
|
||
// often you call it. Useful for lazy initialization.
|
||
_.once = function(func) {
|
||
var ran = false, memo;
|
||
return function() {
|
||
if (ran) return memo;
|
||
ran = true;
|
||
memo = func.apply(this, arguments);
|
||
func = null;
|
||
return memo;
|
||
};
|
||
};
|
||
|
||
// Returns the first function passed as an argument to the second,
|
||
// allowing you to adjust arguments, run code before and after, and
|
||
// conditionally execute the original function.
|
||
_.wrap = function(func, wrapper) {
|
||
return _.partial(wrapper, func);
|
||
};
|
||
|
||
// Returns a function that is the composition of a list of functions, each
|
||
// consuming the return value of the function that follows.
|
||
_.compose = function() {
|
||
var funcs = arguments;
|
||
return function() {
|
||
var args = arguments;
|
||
for (var i = funcs.length - 1; i >= 0; i--) {
|
||
args = [funcs[i].apply(this, args)];
|
||
}
|
||
return args[0];
|
||
};
|
||
};
|
||
|
||
// Returns a function that will only be executed after being called N times.
|
||
_.after = function(times, func) {
|
||
return function() {
|
||
if (--times < 1) {
|
||
return func.apply(this, arguments);
|
||
}
|
||
};
|
||
};
|
||
|
||
// Object Functions
|
||
// ----------------
|
||
|
||
// Retrieve the names of an object's properties.
|
||
// Delegates to **ECMAScript 5**'s native `Object.keys`
|
||
_.keys = function(obj) {
|
||
if (!_.isObject(obj)) return [];
|
||
if (nativeKeys) return nativeKeys(obj);
|
||
var keys = [];
|
||
for (var key in obj) if (_.has(obj, key)) keys.push(key);
|
||
return keys;
|
||
};
|
||
|
||
// Retrieve the values of an object's properties.
|
||
_.values = function(obj) {
|
||
var keys = _.keys(obj);
|
||
var length = keys.length;
|
||
var values = new Array(length);
|
||
for (var i = 0; i < length; i++) {
|
||
values[i] = obj[keys[i]];
|
||
}
|
||
return values;
|
||
};
|
||
|
||
// Convert an object into a list of `[key, value]` pairs.
|
||
_.pairs = function(obj) {
|
||
var keys = _.keys(obj);
|
||
var length = keys.length;
|
||
var pairs = new Array(length);
|
||
for (var i = 0; i < length; i++) {
|
||
pairs[i] = [keys[i], obj[keys[i]]];
|
||
}
|
||
return pairs;
|
||
};
|
||
|
||
// Invert the keys and values of an object. The values must be serializable.
|
||
_.invert = function(obj) {
|
||
var result = {};
|
||
var keys = _.keys(obj);
|
||
for (var i = 0, length = keys.length; i < length; i++) {
|
||
result[obj[keys[i]]] = keys[i];
|
||
}
|
||
return result;
|
||
};
|
||
|
||
// Return a sorted list of the function names available on the object.
|
||
// Aliased as `methods`
|
||
_.functions = _.methods = function(obj) {
|
||
var names = [];
|
||
for (var key in obj) {
|
||
if (_.isFunction(obj[key])) names.push(key);
|
||
}
|
||
return names.sort();
|
||
};
|
||
|
||
// Extend a given object with all the properties in passed-in object(s).
|
||
_.extend = function(obj) {
|
||
each(slice.call(arguments, 1), function(source) {
|
||
if (source) {
|
||
for (var prop in source) {
|
||
obj[prop] = source[prop];
|
||
}
|
||
}
|
||
});
|
||
return obj;
|
||
};
|
||
|
||
// Return a copy of the object only containing the whitelisted properties.
|
||
_.pick = function(obj) {
|
||
var copy = {};
|
||
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
|
||
each(keys, function(key) {
|
||
if (key in obj) copy[key] = obj[key];
|
||
});
|
||
return copy;
|
||
};
|
||
|
||
// Return a copy of the object without the blacklisted properties.
|
||
_.omit = function(obj) {
|
||
var copy = {};
|
||
var keys = concat.apply(ArrayProto, slice.call(arguments, 1));
|
||
for (var key in obj) {
|
||
if (!_.contains(keys, key)) copy[key] = obj[key];
|
||
}
|
||
return copy;
|
||
};
|
||
|
||
// Fill in a given object with default properties.
|
||
_.defaults = function(obj) {
|
||
each(slice.call(arguments, 1), function(source) {
|
||
if (source) {
|
||
for (var prop in source) {
|
||
if (obj[prop] === void 0) obj[prop] = source[prop];
|
||
}
|
||
}
|
||
});
|
||
return obj;
|
||
};
|
||
|
||
// Create a (shallow-cloned) duplicate of an object.
|
||
_.clone = function(obj) {
|
||
if (!_.isObject(obj)) return obj;
|
||
return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
|
||
};
|
||
|
||
// Invokes interceptor with the obj, and then returns obj.
|
||
// The primary purpose of this method is to "tap into" a method chain, in
|
||
// order to perform operations on intermediate results within the chain.
|
||
_.tap = function(obj, interceptor) {
|
||
interceptor(obj);
|
||
return obj;
|
||
};
|
||
|
||
// Internal recursive comparison function for `isEqual`.
|
||
var eq = function(a, b, aStack, bStack) {
|
||
// Identical objects are equal. `0 === -0`, but they aren't identical.
|
||
// See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
|
||
if (a === b) return a !== 0 || 1 / a == 1 / b;
|
||
// A strict comparison is necessary because `null == undefined`.
|
||
if (a == null || b == null) return a === b;
|
||
// Unwrap any wrapped objects.
|
||
if (a instanceof _) a = a._wrapped;
|
||
if (b instanceof _) b = b._wrapped;
|
||
// Compare `[[Class]]` names.
|
||
var className = toString.call(a);
|
||
if (className != toString.call(b)) return false;
|
||
switch (className) {
|
||
// Strings, numbers, dates, and booleans are compared by value.
|
||
case '[object String]':
|
||
// Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
|
||
// equivalent to `new String("5")`.
|
||
return a == String(b);
|
||
case '[object Number]':
|
||
// `NaN`s are equivalent, but non-reflexive. An `egal` comparison is performed for
|
||
// other numeric values.
|
||
return a != +a ? b != +b : (a == 0 ? 1 / a == 1 / b : a == +b);
|
||
case '[object Date]':
|
||
case '[object Boolean]':
|
||
// Coerce dates and booleans to numeric primitive values. Dates are compared by their
|
||
// millisecond representations. Note that invalid dates with millisecond representations
|
||
// of `NaN` are not equivalent.
|
||
return +a == +b;
|
||
// RegExps are compared by their source patterns and flags.
|
||
case '[object RegExp]':
|
||
return a.source == b.source &&
|
||
a.global == b.global &&
|
||
a.multiline == b.multiline &&
|
||
a.ignoreCase == b.ignoreCase;
|
||
}
|
||
if (typeof a != 'object' || typeof b != 'object') return false;
|
||
// Assume equality for cyclic structures. The algorithm for detecting cyclic
|
||
// structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
|
||
var length = aStack.length;
|
||
while (length--) {
|
||
// Linear search. Performance is inversely proportional to the number of
|
||
// unique nested structures.
|
||
if (aStack[length] == a) return bStack[length] == b;
|
||
}
|
||
// Objects with different constructors are not equivalent, but `Object`s
|
||
// from different frames are.
|
||
var aCtor = a.constructor, bCtor = b.constructor;
|
||
if (aCtor !== bCtor && !(_.isFunction(aCtor) && (aCtor instanceof aCtor) &&
|
||
_.isFunction(bCtor) && (bCtor instanceof bCtor))
|
||
&& ('constructor' in a && 'constructor' in b)) {
|
||
return false;
|
||
}
|
||
// Add the first object to the stack of traversed objects.
|
||
aStack.push(a);
|
||
bStack.push(b);
|
||
var size = 0, result = true;
|
||
// Recursively compare objects and arrays.
|
||
if (className == '[object Array]') {
|
||
// Compare array lengths to determine if a deep comparison is necessary.
|
||
size = a.length;
|
||
result = size == b.length;
|
||
if (result) {
|
||
// Deep compare the contents, ignoring non-numeric properties.
|
||
while (size--) {
|
||
if (!(result = eq(a[size], b[size], aStack, bStack))) break;
|
||
}
|
||
}
|
||
} else {
|
||
// Deep compare objects.
|
||
for (var key in a) {
|
||
if (_.has(a, key)) {
|
||
// Count the expected number of properties.
|
||
size++;
|
||
// Deep compare each member.
|
||
if (!(result = _.has(b, key) && eq(a[key], b[key], aStack, bStack))) break;
|
||
}
|
||
}
|
||
// Ensure that both objects contain the same number of properties.
|
||
if (result) {
|
||
for (key in b) {
|
||
if (_.has(b, key) && !(size--)) break;
|
||
}
|
||
result = !size;
|
||
}
|
||
}
|
||
// Remove the first object from the stack of traversed objects.
|
||
aStack.pop();
|
||
bStack.pop();
|
||
return result;
|
||
};
|
||
|
||
// Perform a deep comparison to check if two objects are equal.
|
||
_.isEqual = function(a, b) {
|
||
return eq(a, b, [], []);
|
||
};
|
||
|
||
// Is a given array, string, or object empty?
|
||
// An "empty" object has no enumerable own-properties.
|
||
_.isEmpty = function(obj) {
|
||
if (obj == null) return true;
|
||
if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
|
||
for (var key in obj) if (_.has(obj, key)) return false;
|
||
return true;
|
||
};
|
||
|
||
// Is a given value a DOM element?
|
||
_.isElement = function(obj) {
|
||
return !!(obj && obj.nodeType === 1);
|
||
};
|
||
|
||
// Is a given value an array?
|
||
// Delegates to ECMA5's native Array.isArray
|
||
_.isArray = nativeIsArray || function(obj) {
|
||
return toString.call(obj) == '[object Array]';
|
||
};
|
||
|
||
// Is a given variable an object?
|
||
_.isObject = function(obj) {
|
||
return obj === Object(obj);
|
||
};
|
||
|
||
// Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp.
|
||
each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp'], function(name) {
|
||
_['is' + name] = function(obj) {
|
||
return toString.call(obj) == '[object ' + name + ']';
|
||
};
|
||
});
|
||
|
||
// Define a fallback version of the method in browsers (ahem, IE), where
|
||
// there isn't any inspectable "Arguments" type.
|
||
if (!_.isArguments(arguments)) {
|
||
_.isArguments = function(obj) {
|
||
return !!(obj && _.has(obj, 'callee'));
|
||
};
|
||
}
|
||
|
||
// Optimize `isFunction` if appropriate.
|
||
if (typeof (/./) !== 'function') {
|
||
_.isFunction = function(obj) {
|
||
return typeof obj === 'function';
|
||
};
|
||
}
|
||
|
||
// Is a given object a finite number?
|
||
_.isFinite = function(obj) {
|
||
return isFinite(obj) && !isNaN(parseFloat(obj));
|
||
};
|
||
|
||
// Is the given value `NaN`? (NaN is the only number which does not equal itself).
|
||
_.isNaN = function(obj) {
|
||
return _.isNumber(obj) && obj != +obj;
|
||
};
|
||
|
||
// Is a given value a boolean?
|
||
_.isBoolean = function(obj) {
|
||
return obj === true || obj === false || toString.call(obj) == '[object Boolean]';
|
||
};
|
||
|
||
// Is a given value equal to null?
|
||
_.isNull = function(obj) {
|
||
return obj === null;
|
||
};
|
||
|
||
// Is a given variable undefined?
|
||
_.isUndefined = function(obj) {
|
||
return obj === void 0;
|
||
};
|
||
|
||
// Shortcut function for checking if an object has a given property directly
|
||
// on itself (in other words, not on a prototype).
|
||
_.has = function(obj, key) {
|
||
return hasOwnProperty.call(obj, key);
|
||
};
|
||
|
||
// Utility Functions
|
||
// -----------------
|
||
|
||
// Run Underscore.js in *noConflict* mode, returning the `_` variable to its
|
||
// previous owner. Returns a reference to the Underscore object.
|
||
_.noConflict = function() {
|
||
root._ = previousUnderscore;
|
||
return this;
|
||
};
|
||
|
||
// Keep the identity function around for default iterators.
|
||
_.identity = function(value) {
|
||
return value;
|
||
};
|
||
|
||
_.constant = function(value) {
|
||
return function () {
|
||
return value;
|
||
};
|
||
};
|
||
|
||
_.property = function(key) {
|
||
return function(obj) {
|
||
return obj[key];
|
||
};
|
||
};
|
||
|
||
// Returns a predicate for checking whether an object has a given set of `key:value` pairs.
|
||
_.matches = function(attrs) {
|
||
return function(obj) {
|
||
if (obj === attrs) return true; //avoid comparing an object to itself.
|
||
for (var key in attrs) {
|
||
if (attrs[key] !== obj[key])
|
||
return false;
|
||
}
|
||
return true;
|
||
}
|
||
};
|
||
|
||
// Run a function **n** times.
|
||
_.times = function(n, iterator, context) {
|
||
var accum = Array(Math.max(0, n));
|
||
for (var i = 0; i < n; i++) accum[i] = iterator.call(context, i);
|
||
return accum;
|
||
};
|
||
|
||
// Return a random integer between min and max (inclusive).
|
||
_.random = function(min, max) {
|
||
if (max == null) {
|
||
max = min;
|
||
min = 0;
|
||
}
|
||
return min + Math.floor(Math.random() * (max - min + 1));
|
||
};
|
||
|
||
// A (possibly faster) way to get the current timestamp as an integer.
|
||
_.now = Date.now || function() { return new Date().getTime(); };
|
||
|
||
// List of HTML entities for escaping.
|
||
var entityMap = {
|
||
escape: {
|
||
'&': '&',
|
||
'<': '<',
|
||
'>': '>',
|
||
'"': '"',
|
||
"'": '''
|
||
}
|
||
};
|
||
entityMap.unescape = _.invert(entityMap.escape);
|
||
|
||
// Regexes containing the keys and values listed immediately above.
|
||
var entityRegexes = {
|
||
escape: new RegExp('[' + _.keys(entityMap.escape).join('') + ']', 'g'),
|
||
unescape: new RegExp('(' + _.keys(entityMap.unescape).join('|') + ')', 'g')
|
||
};
|
||
|
||
// Functions for escaping and unescaping strings to/from HTML interpolation.
|
||
_.each(['escape', 'unescape'], function(method) {
|
||
_[method] = function(string) {
|
||
if (string == null) return '';
|
||
return ('' + string).replace(entityRegexes[method], function(match) {
|
||
return entityMap[method][match];
|
||
});
|
||
};
|
||
});
|
||
|
||
// If the value of the named `property` is a function then invoke it with the
|
||
// `object` as context; otherwise, return it.
|
||
_.result = function(object, property) {
|
||
if (object == null) return void 0;
|
||
var value = object[property];
|
||
return _.isFunction(value) ? value.call(object) : value;
|
||
};
|
||
|
||
// Add your own custom functions to the Underscore object.
|
||
_.mixin = function(obj) {
|
||
each(_.functions(obj), function(name) {
|
||
var func = _[name] = obj[name];
|
||
_.prototype[name] = function() {
|
||
var args = [this._wrapped];
|
||
push.apply(args, arguments);
|
||
return result.call(this, func.apply(_, args));
|
||
};
|
||
});
|
||
};
|
||
|
||
// Generate a unique integer id (unique within the entire client session).
|
||
// Useful for temporary DOM ids.
|
||
var idCounter = 0;
|
||
_.uniqueId = function(prefix) {
|
||
var id = ++idCounter + '';
|
||
return prefix ? prefix + id : id;
|
||
};
|
||
|
||
// By default, Underscore uses ERB-style template delimiters, change the
|
||
// following template settings to use alternative delimiters.
|
||
_.templateSettings = {
|
||
evaluate : /<%([\s\S]+?)%>/g,
|
||
interpolate : /<%=([\s\S]+?)%>/g,
|
||
escape : /<%-([\s\S]+?)%>/g
|
||
};
|
||
|
||
// When customizing `templateSettings`, if you don't want to define an
|
||
// interpolation, evaluation or escaping regex, we need one that is
|
||
// guaranteed not to match.
|
||
var noMatch = /(.)^/;
|
||
|
||
// Certain characters need to be escaped so that they can be put into a
|
||
// string literal.
|
||
var escapes = {
|
||
"'": "'",
|
||
'\\': '\\',
|
||
'\r': 'r',
|
||
'\n': 'n',
|
||
'\t': 't',
|
||
'\u2028': 'u2028',
|
||
'\u2029': 'u2029'
|
||
};
|
||
|
||
var escaper = /\\|'|\r|\n|\t|\u2028|\u2029/g;
|
||
|
||
// JavaScript micro-templating, similar to John Resig's implementation.
|
||
// Underscore templating handles arbitrary delimiters, preserves whitespace,
|
||
// and correctly escapes quotes within interpolated code.
|
||
_.template = function(text, data, settings) {
|
||
var render;
|
||
settings = _.defaults({}, settings, _.templateSettings);
|
||
|
||
// Combine delimiters into one regular expression via alternation.
|
||
var matcher = new RegExp([
|
||
(settings.escape || noMatch).source,
|
||
(settings.interpolate || noMatch).source,
|
||
(settings.evaluate || noMatch).source
|
||
].join('|') + '|$', 'g');
|
||
|
||
// Compile the template source, escaping string literals appropriately.
|
||
var index = 0;
|
||
var source = "__p+='";
|
||
text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
|
||
source += text.slice(index, offset)
|
||
.replace(escaper, function(match) { return '\\' + escapes[match]; });
|
||
|
||
if (escape) {
|
||
source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
|
||
}
|
||
if (interpolate) {
|
||
source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
|
||
}
|
||
if (evaluate) {
|
||
source += "';\n" + evaluate + "\n__p+='";
|
||
}
|
||
index = offset + match.length;
|
||
return match;
|
||
});
|
||
source += "';\n";
|
||
|
||
// If a variable is not specified, place data values in local scope.
|
||
if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
|
||
|
||
source = "var __t,__p='',__j=Array.prototype.join," +
|
||
"print=function(){__p+=__j.call(arguments,'');};\n" +
|
||
source + "return __p;\n";
|
||
|
||
try {
|
||
render = new Function(settings.variable || 'obj', '_', source);
|
||
} catch (e) {
|
||
e.source = source;
|
||
throw e;
|
||
}
|
||
|
||
if (data) return render(data, _);
|
||
var template = function(data) {
|
||
return render.call(this, data, _);
|
||
};
|
||
|
||
// Provide the compiled function source as a convenience for precompilation.
|
||
template.source = 'function(' + (settings.variable || 'obj') + '){\n' + source + '}';
|
||
|
||
return template;
|
||
};
|
||
|
||
// Add a "chain" function, which will delegate to the wrapper.
|
||
_.chain = function(obj) {
|
||
return _(obj).chain();
|
||
};
|
||
|
||
// OOP
|
||
// ---------------
|
||
// If Underscore is called as a function, it returns a wrapped object that
|
||
// can be used OO-style. This wrapper holds altered versions of all the
|
||
// underscore functions. Wrapped objects may be chained.
|
||
|
||
// Helper function to continue chaining intermediate results.
|
||
var result = function(obj) {
|
||
return this._chain ? _(obj).chain() : obj;
|
||
};
|
||
|
||
// Add all of the Underscore functions to the wrapper object.
|
||
_.mixin(_);
|
||
|
||
// Add all mutator Array functions to the wrapper.
|
||
each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
|
||
var method = ArrayProto[name];
|
||
_.prototype[name] = function() {
|
||
var obj = this._wrapped;
|
||
method.apply(obj, arguments);
|
||
if ((name == 'shift' || name == 'splice') && obj.length === 0) delete obj[0];
|
||
return result.call(this, obj);
|
||
};
|
||
});
|
||
|
||
// Add all accessor Array functions to the wrapper.
|
||
each(['concat', 'join', 'slice'], function(name) {
|
||
var method = ArrayProto[name];
|
||
_.prototype[name] = function() {
|
||
return result.call(this, method.apply(this._wrapped, arguments));
|
||
};
|
||
});
|
||
|
||
_.extend(_.prototype, {
|
||
|
||
// Start chaining a wrapped Underscore object.
|
||
chain: function() {
|
||
this._chain = true;
|
||
return this;
|
||
},
|
||
|
||
// Extracts the result from a wrapped and chained object.
|
||
value: function() {
|
||
return this._wrapped;
|
||
}
|
||
|
||
});
|
||
|
||
// AMD registration happens at the end for compatibility with AMD loaders
|
||
// that may not enforce next-turn semantics on modules. Even though general
|
||
// practice for AMD registration is to be anonymous, underscore registers
|
||
// as a named module because, like jQuery, it is a base library that is
|
||
// popular enough to be bundled in a third party lib, but not be part of
|
||
// an AMD load request. Those cases could generate an error when an
|
||
// anonymous define() is called outside of a loader request.
|
||
if (typeof define === 'function' && define.amd) {
|
||
define('underscore', [], function() {
|
||
return _;
|
||
});
|
||
}
|
||
}).call(this);
|
||
|
||
/*!
|
||
|
||
handlebars v1.3.0
|
||
|
||
Copyright (C) 2011 by Yehuda Katz
|
||
|
||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
of this software and associated documentation files (the "Software"), to deal
|
||
in the Software without restriction, including without limitation the rights
|
||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
copies of the Software, and to permit persons to whom the Software is
|
||
furnished to do so, subject to the following conditions:
|
||
|
||
The above copyright notice and this permission notice shall be included in
|
||
all copies or substantial portions of the Software.
|
||
|
||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
THE SOFTWARE.
|
||
|
||
@license
|
||
*/
|
||
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b=a.length,c=a.split(/(?:\r\n?|\n)/g);this._input=a+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-b-1),this.offset-=b;var d=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),c.length-1&&(this.yylineno-=c.length-1);var e=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:c?(c.length===d.length?this.yylloc.first_column:0)+d[d.length-c.length].length-c[0].length:this.yylloc.first_column-b},this.options.ranges&&(this.yylloc.range=[e[0],e[0]+this.yyleng-b]),this},more:function(){return this._more=!0,this},less:function(a){this.unput(this.match.slice(a))},pastInput:function(){var a=this.matched.substr(0,this.matched.length-this.match.length);return(a.length>20?"...":"")+a.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var a=this.match;return a.length<20&&(a+=this._input.substr(0,20-a.length)),(a.substr(0,20)+(a.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var a=this.pastInput(),b=new Array(a.length+1).join("-");return a+this.upcomingInput()+"\n"+b+"^"},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var a,b,c,d,e;this._more||(this.yytext="",this.match="");for(var f=this._currentRules(),g=0;g<f.length&&(c=this._input.match(this.rules[f[g]]),!c||b&&!(c[0].length>b[0].length)||(b=c,d=g,this.options.flex));g++);return b?(e=b[0].match(/(?:\r\n?|\n).*/g),e&&(this.yylineno+=e.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:e?e[e.length-1].length-e[e.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+b[0].length},this.yytext+=b[0],this.match+=b[0],this.matches=b,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._input=this._input.slice(b[0].length),this.matched+=b[0],a=this.performAction.call(this,this.yy,this,f[d],this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),a?a:void 0):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var a=this.next();return"undefined"!=typeof a?a:this.lex()},begin:function(a){this.conditionStack.push(a)},popState:function(){return this.conditionStack.pop()},_currentRules:function(){return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules},topState:function(){return this.conditionStack[this.conditionStack.length-2]},pushState:function(a){this.begin(a)}};return a.options={},a.performAction=function(a,b,c,d){function e(a,c){return b.yytext=b.yytext.substr(a,b.yyleng-c)}switch(c){case 0:if("\\\\"===b.yytext.slice(-2)?(e(0,1),this.begin("mu")):"\\"===b.yytext.slice(-1)?(e(0,1),this.begin("emu")):this.begin("mu"),b.yytext)return 14;break;case 1:return 14;case 2:return this.popState(),14;case 3:return e(0,4),this.popState(),15;case 4:return 35;case 5:return 36;case 6:return 25;case 7:return 16;case 8:return 20;case 9:return 19;case 10:return 19;case 11:return 23;case 12:return 22;case 13:this.popState(),this.begin("com");break;case 14:return e(3,5),this.popState(),15;case 15:return 22;case 16:return 41;case 17:return 40;case 18:return 40;case 19:return 44;case 20:break;case 21:return this.popState(),24;case 22:return this.popState(),18;case 23:return b.yytext=e(1,2).replace(/\\"/g,'"'),32;case 24:return b.yytext=e(1,2).replace(/\\'/g,"'"),32;case 25:return 42;case 26:return 34;case 27:return 34;case 28:return 33;case 29:return 40;case 30:return b.yytext=e(1,2),40;case 31:return"INVALID";case 32:return 5}},a.rules=[/^(?:[^\x00]*?(?=(\{\{)))/,/^(?:[^\x00]+)/,/^(?:[^\x00]{2,}?(?=(\{\{|\\\{\{|\\\\\{\{|$)))/,/^(?:[\s\S]*?--\}\})/,/^(?:\()/,/^(?:\))/,/^(?:\{\{(~)?>)/,/^(?:\{\{(~)?#)/,/^(?:\{\{(~)?\/)/,/^(?:\{\{(~)?\^)/,/^(?:\{\{(~)?\s*else\b)/,/^(?:\{\{(~)?\{)/,/^(?:\{\{(~)?&)/,/^(?:\{\{!--)/,/^(?:\{\{![\s\S]*?\}\})/,/^(?:\{\{(~)?)/,/^(?:=)/,/^(?:\.\.)/,/^(?:\.(?=([=~}\s\/.)])))/,/^(?:[\/.])/,/^(?:\s+)/,/^(?:\}(~)?\}\})/,/^(?:(~)?\}\})/,/^(?:"(\\["]|[^"])*")/,/^(?:'(\\[']|[^'])*')/,/^(?:@)/,/^(?:true(?=([~}\s)])))/,/^(?:false(?=([~}\s)])))/,/^(?:-?[0-9]+(?=([~}\s)])))/,/^(?:([^\s!"#%-,\.\/;->@\[-\^`\{-~]+(?=([=~}\s\/.)]))))/,/^(?:\[[^\]]*\])/,/^(?:.)/,/^(?:$)/],a.conditions={mu:{rules:[4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32],inclusive:!1},emu:{rules:[2],inclusive:!1},com:{rules:[3],inclusive:!1},INITIAL:{rules:[0,1,32],inclusive:!0}},a}();return c.lexer=d,b.prototype=c,c.Parser=b,new b}();return a=b}(),i=function(a,b){"use strict";function c(a){return a.constructor===f.ProgramNode?a:(e.yy=f,e.parse(a))}var d={},e=a,f=b;return d.parser=e,d.parse=c,d}(h,g),j=function(a){"use strict";function b(){}function c(a,b,c){if(null==a||"string"!=typeof a&&a.constructor!==c.AST.ProgramNode)throw new f("You must pass a string or Handlebars AST to Handlebars.precompile. You passed "+a);b=b||{},"data"in b||(b.data=!0);var d=c.parse(a),e=(new c.Compiler).compile(d,b);return(new c.JavaScriptCompiler).compile(e,b)}function d(a,b,c){function d(){var d=c.parse(a),e=(new c.Compiler).compile(d,b),f=(new c.JavaScriptCompiler).compile(e,b,void 0,!0);return c.template(f)}if(null==a||"string"!=typeof a&&a.constructor!==c.AST.ProgramNode)throw new f("You must pass a string or Handlebars AST to Handlebars.compile. You passed "+a);b=b||{},"data"in b||(b.data=!0);var e;return function(a,b){return e||(e=d()),e.call(this,a,b)}}var e={},f=a;return e.Compiler=b,b.prototype={compiler:b,disassemble:function(){for(var a,b,c,d=this.opcodes,e=[],f=0,g=d.length;g>f;f++)if(a=d[f],"DECLARE"===a.opcode)e.push("DECLARE "+a.name+"="+a.value);else{b=[];for(var h=0;h<a.args.length;h++)c=a.args[h],"string"==typeof c&&(c='"'+c.replace("\n","\\n")+'"'),b.push(c);e.push(a.opcode+" "+b.join(" "))}return e.join("\n")},equals:function(a){var b=this.opcodes.length;if(a.opcodes.length!==b)return!1;for(var c=0;b>c;c++){var d=this.opcodes[c],e=a.opcodes[c];if(d.opcode!==e.opcode||d.args.length!==e.args.length)return!1;for(var f=0;f<d.args.length;f++)if(d.args[f]!==e.args[f])return!1}if(b=this.children.length,a.children.length!==b)return!1;for(c=0;b>c;c++)if(!this.children[c].equals(a.children[c]))return!1;return!0},guid:0,compile:function(a,b){this.opcodes=[],this.children=[],this.depths={list:[]},this.options=b;var c=this.options.knownHelpers;if(this.options.knownHelpers={helperMissing:!0,blockHelperMissing:!0,each:!0,"if":!0,unless:!0,"with":!0,log:!0},c)for(var d in c)this.options.knownHelpers[d]=c[d];return this.accept(a)},accept:function(a){var b,c=a.strip||{};return c.left&&this.opcode("strip"),b=this[a.type](a),c.right&&this.opcode("strip"),b},program:function(a){for(var b=a.statements,c=0,d=b.length;d>c;c++)this.accept(b[c]);return this.isSimple=1===d,this.depths.list=this.depths.list.sort(function(a,b){return a-b}),this},compileProgram:function(a){var b,c=(new this.compiler).compile(a,this.options),d=this.guid++;this.usePartial=this.usePartial||c.usePartial,this.children[d]=c;for(var e=0,f=c.depths.list.length;f>e;e++)b=c.depths.list[e],2>b||this.addDepth(b-1);return d},block:function(a){var b=a.mustache,c=a.program,d=a.inverse;c&&(c=this.compileProgram(c)),d&&(d=this.compileProgram(d));var e=b.sexpr,f=this.classifySexpr(e);"helper"===f?this.helperSexpr(e,c,d):"simple"===f?(this.simpleSexpr(e),this.opcode("pushProgram",c),this.opcode("pushProgram",d),this.opcode("emptyHash"),this.opcode("blockValue")):(this.ambiguousSexpr(e,c,d),this.opcode("pushProgram",c),this.opcode("pushProgram",d),this.opcode("emptyHash"),this.opcode("ambiguousBlockValue")),this.opcode("append")},hash:function(a){var b,c,d=a.pairs;this.opcode("pushHash");for(var e=0,f=d.length;f>e;e++)b=d[e],c=b[1],this.options.stringParams?(c.depth&&this.addDepth(c.depth),this.opcode("getContext",c.depth||0),this.opcode("pushStringParam",c.stringModeValue,c.type),"sexpr"===c.type&&this.sexpr(c)):this.accept(c),this.opcode("assignToHash",b[0]);this.opcode("popHash")},partial:function(a){var b=a.partialName;this.usePartial=!0,a.context?this.ID(a.context):this.opcode("push","depth0"),this.opcode("invokePartial",b.name),this.opcode("append")},content:function(a){this.opcode("appendContent",a.string)},mustache:function(a){this.sexpr(a.sexpr),a.escaped&&!this.options.noEscape?this.opcode("appendEscaped"):this.opcode("append")},ambiguousSexpr:function(a,b,c){var d=a.id,e=d.parts[0],f=null!=b||null!=c;this.opcode("getContext",d.depth),this.opcode("pushProgram",b),this.opcode("pushProgram",c),this.opcode("invokeAmbiguous",e,f)},simpleSexpr:function(a){var b=a.id;"DATA"===b.type?this.DATA(b):b.parts.length?this.ID(b):(this.addDepth(b.depth),this.opcode("getContext",b.depth),this.opcode("pushContext")),this.opcode("resolvePossibleLambda")},helperSexpr:function(a,b,c){var d=this.setupFullMustacheParams(a,b,c),e=a.id.parts[0];if(this.options.knownHelpers[e])this.opcode("invokeKnownHelper",d.length,e);else{if(this.options.knownHelpersOnly)throw new f("You specified knownHelpersOnly, but used the unknown helper "+e,a);this.opcode("invokeHelper",d.length,e,a.isRoot)}},sexpr:function(a){var b=this.classifySexpr(a);"simple"===b?this.simpleSexpr(a):"helper"===b?this.helperSexpr(a):this.ambiguousSexpr(a)},ID:function(a){this.addDepth(a.depth),this.opcode("getContext",a.depth);var b=a.parts[0];b?this.opcode("lookupOnContext",a.parts[0]):this.opcode("pushContext");for(var c=1,d=a.parts.length;d>c;c++)this.opcode("lookup",a.parts[c])},DATA:function(a){if(this.options.data=!0,a.id.isScoped||a.id.depth)throw new f("Scoped data references are not supported: "+a.original,a);this.opcode("lookupData");for(var b=a.id.parts,c=0,d=b.length;d>c;c++)this.opcode("lookup",b[c])},STRING:function(a){this.opcode("pushString",a.string)},INTEGER:function(a){this.opcode("pushLiteral",a.integer)},BOOLEAN:function(a){this.opcode("pushLiteral",a.bool)},comment:function(){},opcode:function(a){this.opcodes.push({opcode:a,args:[].slice.call(arguments,1)})},declare:function(a,b){this.opcodes.push({opcode:"DECLARE",name:a,value:b})},addDepth:function(a){0!==a&&(this.depths[a]||(this.depths[a]=!0,this.depths.list.push(a)))},classifySexpr:function(a){var b=a.isHelper,c=a.eligibleHelper,d=this.options;if(c&&!b){var e=a.id.parts[0];d.knownHelpers[e]?b=!0:d.knownHelpersOnly&&(c=!1)}return b?"helper":c?"ambiguous":"simple"},pushParams:function(a){for(var b,c=a.length;c--;)b=a[c],this.options.stringParams?(b.depth&&this.addDepth(b.depth),this.opcode("getContext",b.depth||0),this.opcode("pushStringParam",b.stringModeValue,b.type),"sexpr"===b.type&&this.sexpr(b)):this[b.type](b)},setupFullMustacheParams:function(a,b,c){var d=a.params;return this.pushParams(d),this.opcode("pushProgram",b),this.opcode("pushProgram",c),a.hash?this.hash(a.hash):this.opcode("emptyHash"),d}},e.precompile=c,e.compile=d,e}(c),k=function(a,b){"use strict";function c(a){this.value=a}function d(){}var e,f=a.COMPILER_REVISION,g=a.REVISION_CHANGES,h=a.log,i=b;d.prototype={nameLookup:function(a,b){var c,e;return 0===a.indexOf("depth")&&(c=!0),e=/^[0-9]+$/.test(b)?a+"["+b+"]":d.isValidJavaScriptVariableName(b)?a+"."+b:a+"['"+b+"']",c?"("+a+" && "+e+")":e},compilerInfo:function(){var a=f,b=g[a];return"this.compilerInfo = ["+a+",'"+b+"'];\n"},appendToBuffer:function(a){return this.environment.isSimple?"return "+a+";":{appendToBuffer:!0,content:a,toString:function(){return"buffer += "+a+";"}}},initializeBuffer:function(){return this.quotedString("")},namespace:"Handlebars",compile:function(a,b,c,d){this.environment=a,this.options=b||{},h("debug",this.environment.disassemble()+"\n\n"),this.name=this.environment.name,this.isChild=!!c,this.context=c||{programs:[],environments:[],aliases:{}},this.preamble(),this.stackSlot=0,this.stackVars=[],this.registers={list:[]},this.hashes=[],this.compileStack=[],this.inlineStack=[],this.compileChildren(a,b);
|
||
var e,f=a.opcodes;this.i=0;for(var g=f.length;this.i<g;this.i++)e=f[this.i],"DECLARE"===e.opcode?this[e.name]=e.value:this[e.opcode].apply(this,e.args),e.opcode!==this.stripNext&&(this.stripNext=!1);if(this.pushSource(""),this.stackSlot||this.inlineStack.length||this.compileStack.length)throw new i("Compile completed with content left on stack");return this.createFunctionContext(d)},preamble:function(){var a=[];if(this.isChild)a.push("");else{var b=this.namespace,c="helpers = this.merge(helpers, "+b+".helpers);";this.environment.usePartial&&(c=c+" partials = this.merge(partials, "+b+".partials);"),this.options.data&&(c+=" data = data || {};"),a.push(c)}this.environment.isSimple?a.push(""):a.push(", buffer = "+this.initializeBuffer()),this.lastContext=0,this.source=a},createFunctionContext:function(a){var b=this.stackVars.concat(this.registers.list);if(b.length>0&&(this.source[1]=this.source[1]+", "+b.join(", ")),!this.isChild)for(var c in this.context.aliases)this.context.aliases.hasOwnProperty(c)&&(this.source[1]=this.source[1]+", "+c+"="+this.context.aliases[c]);this.source[1]&&(this.source[1]="var "+this.source[1].substring(2)+";"),this.isChild||(this.source[1]+="\n"+this.context.programs.join("\n")+"\n"),this.environment.isSimple||this.pushSource("return buffer;");for(var d=this.isChild?["depth0","data"]:["Handlebars","depth0","helpers","partials","data"],e=0,f=this.environment.depths.list.length;f>e;e++)d.push("depth"+this.environment.depths.list[e]);var g=this.mergeSource();if(this.isChild||(g=this.compilerInfo()+g),a)return d.push(g),Function.apply(this,d);var i="function "+(this.name||"")+"("+d.join(",")+") {\n "+g+"}";return h("debug",i+"\n\n"),i},mergeSource:function(){for(var a,b="",c=0,d=this.source.length;d>c;c++){var e=this.source[c];e.appendToBuffer?a=a?a+"\n + "+e.content:e.content:(a&&(b+="buffer += "+a+";\n ",a=void 0),b+=e+"\n ")}return b},blockValue:function(){this.context.aliases.blockHelperMissing="helpers.blockHelperMissing";var a=["depth0"];this.setupParams(0,a),this.replaceStack(function(b){return a.splice(1,0,b),"blockHelperMissing.call("+a.join(", ")+")"})},ambiguousBlockValue:function(){this.context.aliases.blockHelperMissing="helpers.blockHelperMissing";var a=["depth0"];this.setupParams(0,a);var b=this.topStack();a.splice(1,0,b),this.pushSource("if (!"+this.lastHelper+") { "+b+" = blockHelperMissing.call("+a.join(", ")+"); }")},appendContent:function(a){this.pendingContent&&(a=this.pendingContent+a),this.stripNext&&(a=a.replace(/^\s+/,"")),this.pendingContent=a},strip:function(){this.pendingContent&&(this.pendingContent=this.pendingContent.replace(/\s+$/,"")),this.stripNext="strip"},append:function(){this.flushInline();var a=this.popStack();this.pushSource("if("+a+" || "+a+" === 0) { "+this.appendToBuffer(a)+" }"),this.environment.isSimple&&this.pushSource("else { "+this.appendToBuffer("''")+" }")},appendEscaped:function(){this.context.aliases.escapeExpression="this.escapeExpression",this.pushSource(this.appendToBuffer("escapeExpression("+this.popStack()+")"))},getContext:function(a){this.lastContext!==a&&(this.lastContext=a)},lookupOnContext:function(a){this.push(this.nameLookup("depth"+this.lastContext,a,"context"))},pushContext:function(){this.pushStackLiteral("depth"+this.lastContext)},resolvePossibleLambda:function(){this.context.aliases.functionType='"function"',this.replaceStack(function(a){return"typeof "+a+" === functionType ? 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/* build: `node build.js modules=ALL exclude=gestures,cufon,json minifier=uglifyjs` *//*! 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r=e.fromElement(t,this.options);this.resolveGradient(r,"fill"),this.resolveGradient(r,"stroke"),this.reviver&&this.reviver(t,r),this.instances[n]=r,this.checkIfDone()}},fabric.ElementsParser.prototype.createCallback=function(e,t){var n=this;return function(r){n.resolveGradient(r,"fill"),n.resolveGradient(r,"stroke"),n.reviver&&n.reviver(t,r),n.instances[e]=r,n.checkIfDone()}},fabric.ElementsParser.prototype.resolveGradient=function(e,t){var n=e.get(t);if(!/^url\(/.test(n))return;var r=n.slice(5,n.length-1);fabric.gradientDefs[r]&&e.set(t,fabric.Gradient.fromElement(fabric.gradientDefs[r],e))},fabric.ElementsParser.prototype.checkIfDone=function(){--this.numElements===0&&(this.instances=this.instances.filter(function(e){return e!=null}),this.callback(this.instances))},function(e){"use strict";function n(e,t){this.x=e,this.y=t}var t=e.fabric||(e.fabric={});if(t.Point){t.warn("fabric.Point is already defined");return}t.Point=n,n.prototype={constructor:n,add:function(e){return new n(this.x+e.x,this.y+e.y)},addEquals:function(e){return this.x+=e.x,this.y+=e.y,this},scalarAdd:function(e){return new n(this.x+e,this.y+e)},scalarAddEquals:function(e){return this.x+=e,this.y+=e,this},subtract:function(e){return new n(this.x-e.x,this.y-e.y)},subtractEquals:function(e){return this.x-=e.x,this.y-=e.y,this},scalarSubtract:function(e){return new n(this.x-e,this.y-e)},scalarSubtractEquals:function(e){return this.x-=e,this.y-=e,this},multiply:function(e){return new n(this.x*e,this.y*e)},multiplyEquals:function(e){return this.x*=e,this.y*=e,this},divide:function(e){return new n(this.x/e,this.y/e)},divideEquals:function(e){return this.x/=e,this.y/=e,this},eq:function(e){return this.x===e.x&&this.y===e.y},lt:function(e){return this.x<e.x&&this.y<e.y},lte:function(e){return this.x<=e.x&&this.y<=e.y},gt:function(e){return this.x>e.x&&this.y>e.y},gte:function(e){return this.x>=e.x&&this.y>=e.y},lerp:function(e,t){return new n(this.x+(e.x-this.x)*t,this.y+(e.y-this.y)*t)},distanceFrom:function(e){var t=this.x-e.x,n=this.y-e.y;return Math.sqrt(t*t+n*n)},midPointFrom:function(e){return new n(this.x+(e.x-this.x)/2,this.y+(e.y-this.y)/2)},min:function(e){return new n(Math.min(this.x,e.x),Math.min(this.y,e.y))},max:function(e){return new n(Math.max(this.x,e.x),Math.max(this.y,e.y))},toString:function(){return this.x+","+this.y},setXY:function(e,t){this.x=e,this.y=t},setFromPoint:function(e){this.x=e.x,this.y=e.y},swap:function(e){var t=this.x,n=this.y;this.x=e.x,this.y=e.y,e.x=t,e.y=n}}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function n(e){this.status=e,this.points=[]}var t=e.fabric||(e.fabric={});if(t.Intersection){t.warn("fabric.Intersection is already defined");return}t.Intersection=n,t.Intersection.prototype={appendPoint:function(e){this.points.push(e)},appendPoints:function(e){this.points=this.points.concat(e)}},t.Intersection.intersectLineLine=function(e,r,i,s){var o,u=(s.x-i.x)*(e.y-i.y)-(s.y-i.y)*(e.x-i.x),a=(r.x-e.x)*(e.y-i.y)-(r.y-e.y)*(e.x-i.x),f=(s.y-i.y)*(r.x-e.x)-(s.x-i.x)*(r.y-e.y);if(f!==0){var l=u/f,c=a/f;0<=l&&l<=1&&0<=c&&c<=1?(o=new n("Intersection"),o.points.push(new t.Point(e.x+l*(r.x-e.x),e.y+l*(r.y-e.y)))):o=new n}else u===0||a===0?o=new n("Coincident"):o=new n("Parallel");return o},t.Intersection.intersectLinePolygon=function(e,t,r){var i=new n,s=r.length;for(var o=0;o<s;o++){var u=r[o],a=r[(o+1)%s],f=n.intersectLineLine(e,t,u,a);i.appendPoints(f.points)}return i.points.length>0&&(i.status="Intersection"),i},t.Intersection.intersectPolygonPolygon=function(e,t){var r=new n,i=e.length;for(var s=0;s<i;s++){var o=e[s],u=e[(s+1)%i],a=n.intersectLinePolygon(o,u,t);r.appendPoints(a.points)}return r.points.length>0&&(r.status="Intersection"),r},t.Intersection.intersectPolygonRectangle=function(e,r,i){var s=r.min(i),o=r.max(i),u=new t.Point(o.x,s.y),a=new t.Point(s.x,o.y),f=n.intersectLinePolygon(s,u,e),l=n.intersectLinePolygon(u,o,e),c=n.intersectLinePolygon(o,a,e),h=n.intersectLinePolygon(a,s,e),p=new n;return p.appendPoints(f.points),p.appendPoints(l.points),p.appendPoints(c.points),p.appendPoints(h.points),p.points.length>0&&(p.status="Intersection"),p}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function n(e){e?this._tryParsingColor(e):this.setSource([0,0,0,1])}function r(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+(t-e)*6*n:n<.5?t:n<2/3?e+(t-e)*(2/3-n)*6:e}var t=e.fabric||(e.fabric={});if(t.Color){t.warn("fabric.Color is already defined.");return}t.Color=n,t.Color.prototype={_tryParsingColor:function(e){var t;e in n.colorNameMap&&(e=n.colorNameMap[e]);if(e==="transparent"){this.setSource([255,255,255,0]);return}t=n.sourceFromHex(e),t||(t=n.sourceFromRgb(e)),t||(t=n.sourceFromHsl(e)),t&&this.setSource(t)},_rgbToHsl:function(e,n,r){e/=255,n/=255,r/=255;var i,s,o,u=t.util.array.max([e,n,r]),a=t.util.array.min([e,n,r]);o=(u+a)/2;if(u===a)i=s=0;else{var f=u-a;s=o>.5?f/(2-u-a):f/(u+a);switch(u){case e:i=(n-r)/f+(n<r?6:0);break;case n:i=(r-e)/f+2;break;case r:i=(e-n)/f+4}i/=6}return[Math.round(i*360),Math.round(s*100),Math.round(o*100)]},getSource:function(){return this._source},setSource:function(e){this._source=e},toRgb:function(){var e=this.getSource();return"rgb("+e[0]+","+e[1]+","+e[2]+")"},toRgba:function(){var e=this.getSource();return"rgba("+e[0]+","+e[1]+","+e[2]+","+e[3]+")"},toHsl:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return"hsl("+t[0]+","+t[1]+"%,"+t[2]+"%)"},toHsla:function(){var e=this.getSource(),t=this._rgbToHsl(e[0],e[1],e[2]);return"hsla("+t[0]+","+t[1]+"%,"+t[2]+"%,"+e[3]+")"},toHex:function(){var e=this.getSource(),t,n,r;return t=e[0].toString(16),t=t.length===1?"0"+t:t,n=e[1].toString(16),n=n.length===1?"0"+n:n,r=e[2].toString(16),r=r.length===1?"0"+r:r,t.toUpperCase()+n.toUpperCase()+r.toUpperCase()},getAlpha:function(){return this.getSource()[3]},setAlpha:function(e){var t=this.getSource();return t[3]=e,this.setSource(t),this},toGrayscale:function(){var e=this.getSource(),t=parseInt((e[0]*.3+e[1]*.59+e[2]*.11).toFixed(0),10),n=e[3];return this.setSource([t,t,t,n]),this},toBlackWhite:function(e){var t=this.getSource(),n=(t[0]*.3+t[1]*.59+t[2]*.11).toFixed(0),r=t[3];return e=e||127,n=Number(n)<Number(e)?0:255,this.setSource([n,n,n,r]),this},overlayWith:function(e){e instanceof n||(e=new n(e));var t=[],r=this.getAlpha(),i=.5,s=this.getSource(),o=e.getSource();for(var u=0;u<3;u++)t.push(Math.round(s[u]*(1-i)+o[u]*i));return t[3]=r,this.setSource(t),this}},t.Color.reRGBa=/^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,t.Color.reHSLa=/^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/,t.Color.reHex=/^#?([0-9a-f]{6}|[0-9a-f]{3})$/i,t.Color.colorNameMap={aqua:"#00FFFF",black:"#000000",blue:"#0000FF",fuchsia:"#FF00FF",gray:"#808080",green:"#008000",lime:"#00FF00",maroon:"#800000",navy:"#000080",olive:"#808000",orange:"#FFA500",purple:"#800080",red:"#FF0000",silver:"#C0C0C0",teal:"#008080",white:"#FFFFFF",yellow:"#FFFF00"},t.Color.fromRgb=function(e){return n.fromSource(n.sourceFromRgb(e))},t.Color.sourceFromRgb=function(e){var t=e.match(n.reRGBa);if(t){var r=parseInt(t[1],10)/(/%$/.test(t[1])?100:1)*(/%$/.test(t[1])?255:1),i=parseInt(t[2],10)/(/%$/.test(t[2])?100:1)*(/%$/.test(t[2])?255:1),s=parseInt(t[3],10)/(/%$/.test(t[3])?100:1)*(/%$/.test(t[3])?255:1);return[parseInt(r,10),parseInt(i,10),parseInt(s,10),t[4]?parseFloat(t[4]):1]}},t.Color.fromRgba=n.fromRgb,t.Color.fromHsl=function(e){return n.fromSource(n.sourceFromHsl(e))},t.Color.sourceFromHsl=function(e){var t=e.match(n.reHSLa);if(!t)return;var i=(parseFloat(t[1])%360+360)%360/360,s=parseFloat(t[2])/(/%$/.test(t[2])?100:1),o=parseFloat(t[3])/(/%$/.test(t[3])?100:1),u,a,f;if(s===0)u=a=f=o;else{var l=o<=.5?o*(s+1):o+s-o*s,c=o*2-l;u=r(c,l,i+1/3),a=r(c,l,i),f=r(c,l,i-1/3)}return[Math.round(u*255),Math.round(a*255),Math.round(f*255),t[4]?parseFloat(t[4]):1]},t.Color.fromHsla=n.fromHsl,t.Color.fromHex=function(e){return n.fromSource(n.sourceFromHex(e))},t.Color.sourceFromHex=function(e){if(e.match(n.reHex)){var t=e.slice(e.indexOf("#")+1),r=t.length===3,i=r?t.charAt(0)+t.charAt(0):t.substring(0,2),s=r?t.charAt(1)+t.charAt(1):t.substring(2,4),o=r?t.charAt(2)+t.charAt(2):t.substring(4,6);return[parseInt(i,16),parseInt(s,16),parseInt(o,16),1]}},t.Color.fromSource=function(e){var t=new n;return t.setSource(e),t}}(typeof exports!="undefined"?exports:this),function(){function e(e){var t=e.getAttribute("style"),n=e.getAttribute("offset"),r,i,s;n=parseFloat(n)/(/%$/.test(n)?100:1);if(t){var o=t.split(/\s*;\s*/);o[o.length-1]===""&&o.pop();for(var u=o.length;u--;){var a=o[u].split(/\s*:\s*/),f=a[0].trim(),l=a[1].trim();f==="stop-color"?r=l:f==="stop-opacity"&&(s=l)}}return r||(r=e.getAttribute("stop-color")||"rgb(0,0,0)"),s||(s=e.getAttribute("stop-opacity")),r=new fabric.Color(r),i=r.getAlpha(),s=isNaN(parseFloat(s))?1:parseFloat(s),s*=i,{offset:n,color:r.toRgb(),opacity:s}}function t(e){return{x1:e.getAttribute("x1")||0,y1:e.getAttribute("y1")||0,x2:e.getAttribute("x2")||"100%",y2:e.getAttribute("y2")||0}}function n(e){return{x1:e.getAttribute("fx")||e.getAttribute("cx")||"50%",y1:e.getAttribute("fy")||e.getAttribute("cy")||"50%",r1:0,x2:e.getAttribute("cx")||"50%",y2:e.getAttribute("cy")||"50%",r2:e.getAttribute("r")||"50%"}}function r(e,t){for(var n in t)if(typeof t[n]=="string"&&/^\d+%$/.test(t[n])){var r=parseFloat(t[n],10);if(n==="x1"||n==="x2"||n==="r2")t[n]=fabric.util.toFixed(e.width*r/100,2)+e.left;else if(n==="y1"||n==="y2")t[n]=fabric.util.toFixed(e.height*r/100,2)+e.top}}function i(e,t){for(var n in t)if(n==="x1"||n==="x2"||n==="r2")t[n]=fabric.util.toFixed((t[n]-e.fill.origX)/e.width*100,2)+"%";else if(n==="y1"||n==="y2")t[n]=fabric.util.toFixed((t[n]-e.fill.origY)/e.height*100,2)+"%"}fabric.Gradient=fabric.util.createClass({origX:0,origY:0,initialize:function(e){e||(e={});var t={};this.id=fabric.Object.__uid++,this.type=e.type||"linear",t={x1:e.coords.x1||0,y1:e.coords.y1||0,x2:e.coords.x2||0,y2:e.coords.y2||0},this.type==="radial"&&(t.r1=e.coords.r1||0,t.r2=e.coords.r2||0),this.coords=t,this.gradientUnits=e.gradientUnits||"objectBoundingBox",this.colorStops=e.colorStops.slice(),e.gradientTransform&&(this.gradientTransform=e.gradientTransform),this.origX=e.left||this.origX,this.origY=e.top||this.origY},addColorStop:function(e){for(var t in e){var n=new fabric.Color(e[t]);this.colorStops.push({offset:t,color:n.toRgb(),opacity:n.getAlpha()})}return this},toObject:function(){return{type:this.type,coords:this.coords,gradientUnits:this.gradientUnits,colorStops:this.colorStops}},toSVG:function(e,t){var n=fabric.util.object.clone(this.coords),r,s;this.colorStops.sort(function(e,t){return e.offset-t.offset}),t&&this.gradientUnits==="userSpaceOnUse"?(n.x1+=e.width/2,n.y1+=e.height/2,n.x2+=e.width/2,n.y2+=e.height/2):this.gradientUnits==="objectBoundingBox"&&i(e,n),s='id="SVGID_'+this.id+'" gradientUnits="'+this.gradientUnits+'"',this.gradientTransform&&(s+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),this.type==="linear"?r=["<linearGradient ",s,' x1="',n.x1,'" y1="',n.y1,'" x2="',n.x2,'" y2="',n.y2,'">\n']:this.type==="radial"&&(r=["<radialGradient ",s,' cx="',n.x2,'" cy="',n.y2,'" r="',n.r2,'" fx="',n.x1,'" fy="',n.y1,'">\n']);for(var o=0;o<this.colorStops.length;o++)r.push("<stop ",'offset="',this.colorStops[o].offset*100+"%",'" style="stop-color:',this.colorStops[o].color,this.colorStops[o].opacity!=null?";stop-opacity: "+this.colorStops[o].opacity:";",'"/>\n');return r.push(this.type==="linear"?"</linearGradient>\n":"</radialGradient>\n"),r.join("")},toLive:function(e){var t;if(!this.type)return;this.type==="linear"?t=e.createLinearGradient(this.coords.x1,this.coords.y1,this.coords.x2,this.coords.y2):this.type==="radial"&&(t=e.createRadialGradient(this.coords.x1,this.coords.y1,this.coords.r1,this.coords.x2,this.coords.y2,this.coords.r2));for(var n=0,r=this.colorStops.length;n<r;n++){var i=this.colorStops[n].color,s=this.colorStops[n].opacity,o=this.colorStops[n].offset;typeof s!="undefined"&&(i=(new fabric.Color(i)).setAlpha(s).toRgba()),t.addColorStop(parseFloat(o),i)}return t}}),fabric.util.object.extend(fabric.Gradient,{fromElement:function(i,s){var o=i.getElementsByTagName("stop"),u=i.nodeName==="linearGradient"?"linear":"radial",a=i.getAttribute("gradientUnits")||"objectBoundingBox",f=i.getAttribute("gradientTransform"),l=[],c={};u==="linear"?c=t(i):u==="radial"&&(c=n(i));for(var h=o.length;h--;)l.push(e(o[h]));r(s,c);var p=new fabric.Gradient({type:u,coords:c,gradientUnits:a,colorStops:l});return f&&(p.gradientTransform=fabric.parseTransformAttribute(f)),p},forObject:function(e,t){return t||(t={}),r(e,t),new fabric.Gradient(t)}})}(),fabric.Pattern=fabric.util.createClass({repeat:"repeat",offsetX:0,offsetY:0,initialize:function(e){e||(e={}),this.id=fabric.Object.__uid++;if(e.source)if(typeof e.source=="string")if(typeof fabric.util.getFunctionBody(e.source)!="undefined")this.source=new Function(fabric.util.getFunctionBody(e.source));else{var t=this;this.source=fabric.util.createImage(),fabric.util.loadImage(e.source,function(e){t.source=e})}else this.source=e.source;e.repeat&&(this.repeat=e.repeat),e.offsetX&&(this.offsetX=e.offsetX),e.offsetY&&(this.offsetY=e.offsetY)},toObject:function(){var e;return typeof this.source=="function"?e=String(this.source):typeof this.source.src=="string"&&(e=this.source.src),{source:e,repeat:this.repeat,offsetX:this.offsetX,offsetY:this.offsetY}},toSVG:function(e){var t=typeof this.source=="function"?this.source():this.source,n=t.width/e.getWidth(),r=t.height/e.getHeight(),i="";return t.src?i=t.src:t.toDataURL&&(i=t.toDataURL()),'<pattern id="SVGID_'+this.id+'" x="'+this.offsetX+'" y="'+this.offsetY+'" width="'+n+'" height="'+r+'">'+'<image x="0" y="0"'+' width="'+t.width+'" height="'+t.height+'" xlink:href="'+i+'"></image>'+"</pattern>"},toLive:function(e){var t=typeof this.source=="function"?this.source():this.source;if(!t)return"";if(typeof t.src!="undefined"){if(!t.complete)return"";if(t.naturalWidth===0||t.naturalHeight===0)return""}return e.createPattern(t,this.repeat)}}),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Shadow){t.warn("fabric.Shadow is already defined.");return}t.Shadow=t.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(e){typeof e=="string"&&(e=this._parseShadow(e));for(var n in e)this[n]=e[n];this.id=t.Object.__uid++},_parseShadow:function(e){var n=e.trim(),r=t.Shadow.reOffsetsAndBlur.exec(n)||[],i=n.replace(t.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:i.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(e){var t="SourceAlpha";return e&&(e.fill===this.color||e.stroke===this.color)&&(t="SourceGraphic"),'<filter id="SVGID_'+this.id+'" y="-40%" height="180%">'+'<feGaussianBlur in="'+t+'" stdDeviation="'+(this.blur?this.blur/3:0)+'"></feGaussianBlur>'+'<feOffset dx="'+this.offsetX+'" dy="'+this.offsetY+'"></feOffset>'+"<feMerge>"+"<feMergeNode></feMergeNode>"+'<feMergeNode in="SourceGraphic"></feMergeNode>'+"</feMerge>"+"</filter>"},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY};var e={},n=t.Shadow.prototype;return this.color!==n.color&&(e.color=this.color),this.blur!==n.blur&&(e.blur=this.blur),this.offsetX!==n.offsetX&&(e.offsetX=this.offsetX),this.offsetY!==n.offsetY&&(e.offsetY=this.offsetY),e}}),t.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/}(typeof exports!="undefined"?exports:this),function(){"use strict";if(fabric.StaticCanvas){fabric.warn("fabric.StaticCanvas is already defined.");return}var e=fabric.util.object.extend,t=fabric.util.getElementOffset,n=fabric.util.removeFromArray,r=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass({initialize:function(e,t){t||(t={}),this._initStatic(e,t),fabric.StaticCanvas.activeInstance=this},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!0,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:[1,0,0,1,0,0],onBeforeScaleRotate:function(){},_initStatic:function(e,t){this._objects=[],this._createLowerCanvas(e),this._initOptions(t),this._setImageSmoothing(),t.overlayImage&&this.setOverlayImage(t.overlayImage,this.renderAll.bind(this)),t.backgroundImage&&this.setBackgroundImage(t.backgroundImage,this.renderAll.bind(this)),t.backgroundColor&&this.setBackgroundColor(t.backgroundColor,this.renderAll.bind(this)),t.overlayColor&&this.setOverlayColor(t.overlayColor,this.renderAll.bind(this)),this.calcOffset()},calcOffset:function(){return this._offset=t(this.lowerCanvasEl),this},setOverlayImage:function(e,t,n){return this.__setBgOverlayImage("overlayImage",e,t,n)},setBackgroundImage:function(e,t,n){return this.__setBgOverlayImage("backgroundImage",e,t,n)},setOverlayColor:function(e,t){return this.__setBgOverlayColor("overlayColor",e,t)},setBackgroundColor:function(e,t){return this.__setBgOverlayColor("backgroundColor",e,t)},_setImageSmoothing:function(){var e=this.getContext();e.imageSmoothingEnabled=this.imageSmoothingEnabled,e.webkitImageSmoothingEnabled=this.imageSmoothingEnabled,e.mozImageSmoothingEnabled=this.imageSmoothingEnabled,e.msImageSmoothingEnabled=this.imageSmoothingEnabled,e.oImageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(e,t,n,r){return typeof t=="string"?fabric.util.loadImage(t,function(t){this[e]=new fabric.Image(t,r),n&&n()},this):(this[e]=t,n&&n()),this},__setBgOverlayColor:function(e,t,n){if(t&&t.source){var r=this;fabric.util.loadImage(t.source,function(i){r[e]=new fabric.Pattern({source:i,repeat:t.repeat,offsetX:t.offsetX,offsetY:t.offsetY}),n&&n()})}else this[e]=t,n&&n();return this},_createCanvasElement:function(){var e=fabric.document.createElement("canvas");e.style||(e.style={});if(!e)throw r;return this._initCanvasElement(e),e},_initCanvasElement:function(e){fabric.util.createCanvasElement(e);if(typeof e.getContext=="undefined")throw r},_initOptions:function(e){for(var t in e)this[t]=e[t];this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0;if(!this.lowerCanvasEl.style)return;this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice()},_createLowerCanvas:function(e){this.lowerCanvasEl=fabric.util.getById(e)||this._createCanvasElement(),this._initCanvasElement(this.lowerCanvasEl),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(e,t){return this.setDimensions({width:e},t)},setHeight:function(e,t){return this.setDimensions({height:e},t)},setDimensions:function(e,t){var n;t=t||{};for(var r in e)n=e[r],t.cssOnly||(this._setBackstoreDimension(r,e[r]),n+="px"),t.backstoreOnly||this._setCssDimension(r,n);return t.cssOnly||this.renderAll(),this.calcOffset(),this},_setBackstoreDimension:function(e,t){return this.lowerCanvasEl[e]=t,this.upperCanvasEl&&(this.upperCanvasEl[e]=t),this.cacheCanvasEl&&(this.cacheCanvasEl[e]=t),this[e]=t,this},_setCssDimension:function(e,t){return this.lowerCanvasEl.style[e]=t,this.upperCanvasEl&&(this.upperCanvasEl.style[e]=t),this.wrapperEl&&(this.wrapperEl.style[e]=t),this},getZoom:function(){return Math.sqrt(this.viewportTransform[0]*this.viewportTransform[3])},setViewportTransform:function(e){this.viewportTransform=e,this.renderAll();for(var t=0,n=this._objects.length;t<n;t++)this._objects[t].setCoords();return this},zoomToPoint:function(e,t){var n=e;e=fabric.util.transformPoint(e,fabric.util.invertTransform(this.viewportTransform)),this.viewportTransform[0]=t,this.viewportTransform[3]=t;var r=fabric.util.transformPoint(e,this.viewportTransform);this.viewportTransform[4]+=n.x-r.x,this.viewportTransform[5]+=n.y-r.y,this.renderAll();for(var i=0,s=this._objects.length;i<s;i++)this._objects[i].setCoords();return this},setZoom:function(e){return this.zoomToPoint(new fabric.Point(0,0),e),this},absolutePan:function(e){this.viewportTransform[4]=-e.x,this.viewportTransform[5]=-e.y,this.renderAll();for(var t=0,n=this._objects.length;t<n;t++)this._objects[t].setCoords();return this},relativePan:function(e){return this.absolutePan(new fabric.Point(-e.x-this.viewportTransform[4],-e.y-this.viewportTransform[5]))},getElement:function(){return this.lowerCanvasEl},getActiveObject:function(){return null},getActiveGroup:function(){return null},_draw:function(e,t){if(!t)return;e.save();var n=this.viewportTransform;e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),t.render(e),e.restore(),this.controlsAboveOverlay||t._renderControls(e)},_onObjectAdded:function(e){this.stateful&&e.setupState(),e.canvas=this,e.setCoords(),this.fire("object:added",{target:e}),e.fire("added")},_onObjectRemoved:function(e){this.getActiveObject()===e&&(this.fire("before:selection:cleared",{target:e}),this._discardActiveObject(),this.fire("selection:cleared")),this.fire("object:removed",{target:e}),e.fire("removed")},clearContext:function(e){return e.clearRect(0,0,this.width,this.height),this},getContext:function(){return this.contextContainer},clear:function(){return this._objects.length=0,this.discardActiveGroup&&this.discardActiveGroup(),this.discardActiveObject&&this.discardActiveObject(),this.clearContext(this.contextContainer),this.contextTop&&this.clearContext(this.contextTop),this.fire("canvas:cleared"),this.renderAll(),this},renderAll:function(e){var t=this[e===!0&&this.interactive?"contextTop":"contextContainer"],n=this.getActiveGroup();return this.contextTop&&this.selection&&!this._groupSelector&&this.clearContext(this.contextTop),e||this.clearContext(t),this.fire("before:render"),this.clipTo&&fabric.util.clipContext(this,t),this._renderBackground(t),this._renderObjects(t,n),this._renderActiveGroup(t,n),this.clipTo&&t.restore(),this._renderOverlay(t),this.controlsAboveOverlay&&this.interactive&&this.drawControls(t),this.fire("after:render"),this},_renderObjects:function(e,t){var n,r;if(!t)for(n=0,r=this._objects.length;n<r;++n)this._draw(e,this._objects[n]);else for(n=0,r=this._objects.length;n<r;++n)this._objects[n]&&!t.contains(this._objects[n])&&this._draw(e,this._objects[n])},_renderActiveGroup:function(e,t){if(t){var n=[];this.forEachObject(function(e){t.contains(e)&&n.push(e)}),t._set("objects",n),this._draw(e,t)}},_renderBackground:function(e){this.backgroundColor&&(e.fillStyle=this.backgroundColor.toLive?this.backgroundColor.toLive(e):this.backgroundColor,e.fillRect(this.backgroundColor.offsetX||0,this.backgroundColor.offsetY||0,this.width,this.height)),this.backgroundImage&&this._draw(e,this.backgroundImage)},_renderOverlay:function(e){this.overlayColor&&(e.fillStyle=this.overlayColor.toLive?this.overlayColor.toLive(e):this.overlayColor,e.fillRect(this.overlayColor.offsetX||0,this.overlayColor.offsetY||0,this.width,this.height)),this.overlayImage&&this._draw(e,this.overlayImage)},renderTop:function(){var e=this.contextTop||this.contextContainer;this.clearContext(e),this.selection&&this._groupSelector&&this._drawSelection();var t=this.getActiveGroup();return t&&t.render(e),this._renderOverlay(e),this.fire("after:render"),this},getCenter:function(){return{top:this.getHeight()/2,left:this.getWidth()/2}},centerObjectH:function(e){return this._centerObject(e,new fabric.Point(this.getCenter().left,e.getCenterPoint().y)),this.renderAll(),this},centerObjectV:function(e){return this._centerObject(e,new fabric.Point(e.getCenterPoint().x,this.getCenter().top)),this.renderAll(),this},centerObject:function(e){var t=this.getCenter();return this._centerObject(e,new fabric.Point(t.left,t.top)),this.renderAll(),this},_centerObject:function(e,t){return e.setPositionByOrigin(t,"center","center"),this},toDatalessJSON:function(e){return this.toDatalessObject(e)},toObject:function(e){return this._toObjectMethod("toObject",e)},toDatalessObject:function(e){return this._toObjectMethod("toDatalessObject",e)},_toObjectMethod:function(t,n){var r=this.getActiveGroup();r&&this.discardActiveGroup();var i={objects:this._toObjects(t,n)};return e(i,this.__serializeBgOverlay()),fabric.util.populateWithProperties(this,i,n),r&&(this.setActiveGroup(new fabric.Group(r.getObjects(),{originX:"center",originY:"center"})),r.forEachObject(function(e){e.set("active",!0)}),this._currentTransform&&(this._currentTransform.target=this.getActiveGroup())),i},_toObjects:function(e,t){return this.getObjects().map(function(n){return this._toObject(n,e,t)},this)},_toObject:function(e,t,n){var r;this.includeDefaultValues||(r=e.includeDefaultValues,e.includeDefaultValues=!1);var i=e[t](n);return this.includeDefaultValues||(e.includeDefaultValues=r),i},__serializeBgOverlay:function(){var e={background:this.backgroundColor&&this.backgroundColor.toObject?this.backgroundColor.toObject():this.backgroundColor};return this.overlayColor&&(e.overlay=this.overlayColor.toObject?this.overlayColor.toObject():this.overlayColor),this.backgroundImage&&(e.backgroundImage=this.backgroundImage.toObject()),this.overlayImage&&(e.overlayImage=this.overlayImage.toObject()),e},toSVG:function(e,t){e||(e={});var n=[];return this._setSVGPreamble(n,e),this._setSVGHeader(n,e),this._setSVGBgOverlayColor(n,"backgroundColor"),this._setSVGBgOverlayImage(n,"backgroundImage"),this._setSVGObjects(n,t),this._setSVGBgOverlayColor(n,"overlayColor"),this._setSVGBgOverlayImage(n,"overlayImage"),n.push("</svg>"),n.join("")},_setSVGPreamble:function(e,t){t.suppressPreamble||e.push('<?xml version="1.0" encoding="',t.encoding||"UTF-8",'" standalone="no" ?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" ','"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">\n')},_setSVGHeader:function(e,t){e.push("<svg ",'xmlns="http://www.w3.org/2000/svg" ','xmlns:xlink="http://www.w3.org/1999/xlink" ','version="1.1" ','width="',t.viewBox?t.viewBox.width:this.width,'" ','height="',t.viewBox?t.viewBox.height:this.height,'" ',this.backgroundColor&&!this.backgroundColor.toLive?'style="background-color: '+this.backgroundColor+'" ':null,t.viewBox?'viewBox="'+t.viewBox.x+" "+t.viewBox.y+" "+t.viewBox.width+" "+t.viewBox.height+'" ':null,'xml:space="preserve">',"<desc>Created with Fabric.js ",fabric.version,"</desc>","<defs>",fabric.createSVGFontFacesMarkup(this.getObjects()),fabric.createSVGRefElementsMarkup(this),"</defs>")},_setSVGObjects:function(e,t){var n=this.getActiveGroup();n&&this.discardActiveGroup();for(var r=0,i=this.getObjects(),s=i.length;r<s;r++)e.push(i[r].toSVG(t));n&&(this.setActiveGroup(new fabric.Group(n.getObjects())),n.forEachObject(function(e){e.set("active",!0)}))},_setSVGBgOverlayImage:function(e,t){this[t]&&this[t].toSVG&&e.push(this[t].toSVG())},_setSVGBgOverlayColor:function(e,t){this[t]&&this[t].source?e.push('<rect x="',this[t].offsetX,'" y="',this[t].offsetY,'" ','width="',this[t].repeat==="repeat-y"||this[t].repeat==="no-repeat"?this[t].source.width:this.width,'" height="',this[t].repeat==="repeat-x"||this[t].repeat==="no-repeat"?this[t].source.height:this.height,'" fill="url(#'+t+'Pattern)"',"></rect>"):this[t]&&t==="overlayColor"&&e.push('<rect x="0" y="0" ','width="',this.width,'" height="',this.height,'" fill="',this[t],'"',"></rect>")},sendToBack:function(e){return n(this._objects,e),this._objects.unshift(e),this.renderAll&&this.renderAll()},bringToFront:function(e){return n(this._objects,e),this._objects.push(e),this.renderAll&&this.renderAll()},sendBackwards:function(e,t){var r=this._objects.indexOf(e);if(r!==0){var i=this._findNewLowerIndex(e,r,t);n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},_findNewLowerIndex:function(e,t,n){var r;if(n){r=t;for(var i=t-1;i>=0;--i){var s=e.intersectsWithObject(this._objects[i])||e.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(e);if(s){r=i;break}}}else r=t-1;return r},bringForward:function(e,t){var r=this._objects.indexOf(e);if(r!==this._objects.length-1){var i=this._findNewUpperIndex(e,r,t);n(this._objects,e),this._objects.splice(i,0,e),this.renderAll&&this.renderAll()}return this},_findNewUpperIndex:function(e,t,n){var r;if(n){r=t;for(var i=t+1;i<this._objects.length;++i){var s=e.intersectsWithObject(this._objects[i])||e.isContainedWithinObject(this._objects[i])||this._objects[i].isContainedWithinObject(e);if(s){r=i;break}}}else r=t+1;return r},moveTo:function(e,t){return n(this._objects,e),this._objects.splice(t,0,e),this.renderAll&&this.renderAll()},dispose:function(){return this.clear(),this.interactive&&this.removeListeners(),this},toString:function(){return"#<fabric.Canvas ("+this.complexity()+"): "+"{ objects: "+this.getObjects().length+" }>"}}),e(fabric.StaticCanvas.prototype,fabric.Observable),e(fabric.StaticCanvas.prototype,fabric.Collection),e(fabric.StaticCanvas.prototype,fabric.DataURLExporter),e(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(e){var t=fabric.util.createCanvasElement();if(!t||!t.getContext)return null;var n=t.getContext("2d");if(!n)return null;switch(e){case"getImageData":return typeof n.getImageData!="undefined";case"setLineDash":return typeof n.setLineDash!="undefined";case"toDataURL":return typeof t.toDataURL!="undefined";case"toDataURLWithQuality":try{return t.toDataURL("image/jpeg",0),!0}catch(r){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",setShadow:function(e){return this.shadow=new fabric.Shadow(e),this},_setBrushStyles:function(){var e=this.canvas.contextTop;e.strokeStyle=this.color,e.lineWidth=this.width,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin},_setShadow:function(){if(!this.shadow)return;var e=this.canvas.contextTop;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_resetShadow:function(){var e=this.canvas.contextTop;e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0}}),function(){var e=fabric.util.array.min,t=fabric.util.array.max;fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(e){this.canvas=e,this._points=[]},onMouseDown:function(e){this._prepareForDrawing(e),this._captureDrawingPath(e),this._render()},onMouseMove:function(e){this._captureDrawingPath(e),this.canvas.clearContext(this.canvas.contextTop),this._render
|
||
()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(e){var t=new fabric.Point(e.x,e.y);this._reset(),this._addPoint(t),this.canvas.contextTop.moveTo(t.x,t.y)},_addPoint:function(e){this._points.push(e)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(e){var t=new fabric.Point(e.x,e.y);this._addPoint(t)},_render:function(){var e=this.canvas.contextTop,t=this.canvas.viewportTransform,n=this._points[0],r=this._points[1];e.save(),e.transform(t[0],t[1],t[2],t[3],t[4],t[5]),e.beginPath(),this._points.length===2&&n.x===r.x&&n.y===r.y&&(n.x-=.5,r.x+=.5),e.moveTo(n.x,n.y);for(var i=1,s=this._points.length;i<s;i++){var o=n.midPointFrom(r);e.quadraticCurveTo(n.x,n.y,o.x,o.y),n=this._points[i],r=this._points[i+1]}e.lineTo(n.x,n.y),e.stroke(),e.restore()},_getSVGPathData:function(){return this.box=this.getPathBoundingBox(this._points),this.convertPointsToSVGPath(this._points,this.box.minX,this.box.minY)},getPathBoundingBox:function(n){var r=[],i=[],s=n[0],o=n[1],u=s;for(var a=1,f=n.length;a<f;a++){var l=s.midPointFrom(o);r.push(u.x),r.push(l.x),i.push(u.y),i.push(l.y),s=n[a],o=n[a+1],u=l}return r.push(s.x),i.push(s.y),{minX:e(r),minY:e(i),maxX:t(r),maxY:t(i)}},convertPointsToSVGPath:function(e,t,n){var r=[],i=new fabric.Point(e[0].x-t,e[0].y-n),s=new fabric.Point(e[1].x-t,e[1].y-n);r.push("M ",e[0].x-t," ",e[0].y-n," ");for(var o=1,u=e.length;o<u;o++){var a=i.midPointFrom(s);r.push("Q ",i.x," ",i.y," ",a.x," ",a.y," "),i=new fabric.Point(e[o].x-t,e[o].y-n),o+1<e.length&&(s=new fabric.Point(e[o+1].x-t,e[o+1].y-n))}return r.push("L ",i.x," ",i.y," "),r},createPath:function(e){var t=new fabric.Path(e);return t.fill=null,t.stroke=this.color,t.strokeWidth=this.width,t.strokeLineCap=this.strokeLineCap,t.strokeLineJoin=this.strokeLineJoin,this.shadow&&(this.shadow.affectStroke=!0,t.setShadow(this.shadow)),t},_finalizeAndAddPath:function(){var e=this.canvas.contextTop;e.closePath();var t=this._getSVGPathData().join("");if(t==="M 0 0 Q 0 0 0 0 L 0 0"){this.canvas.renderAll();return}var n=this.box.minX+(this.box.maxX-this.box.minX)/2,r=this.box.minY+(this.box.maxY-this.box.minY)/2;this.canvas.contextTop.arc(n,r,3,0,Math.PI*2,!1);var i=this.createPath(t);i.set({left:n,top:r,originX:"center",originY:"center"}),this.canvas.add(i),i.setCoords(),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderAll(),this.canvas.fire("path:created",{path:i})}})}(),fabric.CircleBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,initialize:function(e){this.canvas=e,this.points=[]},drawDot:function(e){var t=this.addPoint(e),n=this.canvas.contextTop,r=this.canvas.viewportTransform;n.save(),n.transform(r[0],r[1],r[2],r[3],r[4],r[5]),n.fillStyle=t.fill,n.beginPath(),n.arc(t.x,t.y,t.radius,0,Math.PI*2,!1),n.closePath(),n.fill(),n.restore()},onMouseDown:function(e){this.points.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.drawDot(e)},onMouseMove:function(e){this.drawDot(e)},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.points.length;n<r;n++){var i=this.points[n],s=new fabric.Circle({radius:i.radius,left:i.x,top:i.y,originX:"center",originY:"center",fill:i.fill});this.shadow&&s.setShadow(this.shadow),t.push(s)}var o=new fabric.Group(t,{originX:"center",originY:"center"});o.canvas=this.canvas,this.canvas.add(o),this.canvas.fire("path:created",{path:o}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},addPoint:function(e){var t=new fabric.Point(e.x,e.y),n=fabric.util.getRandomInt(Math.max(0,this.width-20),this.width+20)/2,r=(new fabric.Color(this.color)).setAlpha(fabric.util.getRandomInt(0,100)/100).toRgba();return t.radius=n,t.fill=r,this.points.push(t),t}}),fabric.SprayBrush=fabric.util.createClass(fabric.BaseBrush,{width:10,density:20,dotWidth:1,dotWidthVariance:1,randomOpacity:!1,optimizeOverlapping:!0,initialize:function(e){this.canvas=e,this.sprayChunks=[]},onMouseDown:function(e){this.sprayChunks.length=0,this.canvas.clearContext(this.canvas.contextTop),this._setShadow(),this.addSprayChunk(e),this.render()},onMouseMove:function(e){this.addSprayChunk(e),this.render()},onMouseUp:function(){var e=this.canvas.renderOnAddRemove;this.canvas.renderOnAddRemove=!1;var t=[];for(var n=0,r=this.sprayChunks.length;n<r;n++){var i=this.sprayChunks[n];for(var s=0,o=i.length;s<o;s++){var u=new fabric.Rect({width:i[s].width,height:i[s].width,left:i[s].x+1,top:i[s].y+1,originX:"center",originY:"center",fill:this.color});this.shadow&&u.setShadow(this.shadow),t.push(u)}}this.optimizeOverlapping&&(t=this._getOptimizedRects(t));var a=new fabric.Group(t,{originX:"center",originY:"center"});a.canvas=this.canvas,this.canvas.add(a),this.canvas.fire("path:created",{path:a}),this.canvas.clearContext(this.canvas.contextTop),this._resetShadow(),this.canvas.renderOnAddRemove=e,this.canvas.renderAll()},_getOptimizedRects:function(e){var t={},n;for(var r=0,i=e.length;r<i;r++)n=e[r].left+""+e[r].top,t[n]||(t[n]=e[r]);var s=[];for(n in t)s.push(t[n]);return s},render:function(){var e=this.canvas.contextTop;e.fillStyle=this.color;var t=this.canvas.viewportTransform;e.save(),e.transform(t[0],t[1],t[2],t[3],t[4],t[5]);for(var n=0,r=this.sprayChunkPoints.length;n<r;n++){var i=this.sprayChunkPoints[n];typeof i.opacity!="undefined"&&(e.globalAlpha=i.opacity),e.fillRect(i.x,i.y,i.width,i.width)}e.restore()},addSprayChunk:function(e){this.sprayChunkPoints=[];var t,n,r,i=this.width/2;for(var s=0;s<this.density;s++){t=fabric.util.getRandomInt(e.x-i,e.x+i),n=fabric.util.getRandomInt(e.y-i,e.y+i),this.dotWidthVariance?r=fabric.util.getRandomInt(Math.max(1,this.dotWidth-this.dotWidthVariance),this.dotWidth+this.dotWidthVariance):r=this.dotWidth;var o=new fabric.Point(t,n);o.width=r,this.randomOpacity&&(o.opacity=fabric.util.getRandomInt(0,100)/100),this.sprayChunkPoints.push(o)}this.sprayChunks.push(this.sprayChunkPoints)}}),fabric.PatternBrush=fabric.util.createClass(fabric.PencilBrush,{getPatternSrc:function(){var e=20,t=5,n=fabric.document.createElement("canvas"),r=n.getContext("2d");return n.width=n.height=e+t,r.fillStyle=this.color,r.beginPath(),r.arc(e/2,e/2,e/2,0,Math.PI*2,!1),r.closePath(),r.fill(),n},getPatternSrcFunction:function(){return String(this.getPatternSrc).replace("this.color",'"'+this.color+'"')},getPattern:function(){return this.canvas.contextTop.createPattern(this.source||this.getPatternSrc(),"repeat")},_setBrushStyles:function(){this.callSuper("_setBrushStyles"),this.canvas.contextTop.strokeStyle=this.getPattern()},createPath:function(e){var t=this.callSuper("createPath",e);return t.stroke=new fabric.Pattern({source:this.source||this.getPatternSrcFunction()}),t}}),function(){var e=fabric.util.getPointer,t=fabric.util.degreesToRadians,n=fabric.util.radiansToDegrees,r=Math.atan2,i=Math.abs,s=.5;fabric.Canvas=fabric.util.createClass(fabric.StaticCanvas,{initialize:function(e,t){t||(t={}),this._initStatic(e,t),this._initInteractive(),this._createCacheCanvas(),fabric.Canvas.activeInstance=this},uniScaleTransform:!1,centeredScaling:!1,centeredRotation:!1,interactive:!0,selection:!0,selectionColor:"rgba(100, 100, 255, 0.3)",selectionDashArray:[],selectionBorderColor:"rgba(255, 255, 255, 0.3)",selectionLineWidth:1,hoverCursor:"move",moveCursor:"move",defaultCursor:"default",freeDrawingCursor:"crosshair",rotationCursor:"crosshair",containerClass:"canvas-container",perPixelTargetFind:!1,targetFindTolerance:0,skipTargetFind:!1,_initInteractive:function(){this._currentTransform=null,this._groupSelector=null,this._initWrapperElement(),this._createUpperCanvas(),this._initEventListeners(),this.freeDrawingBrush=fabric.PencilBrush&&new fabric.PencilBrush(this),this.calcOffset()},_resetCurrentTransform:function(e){var t=this._currentTransform;t.target.set({scaleX:t.original.scaleX,scaleY:t.original.scaleY,left:t.original.left,top:t.original.top}),this._shouldCenterTransform(e,t.target)?t.action==="rotate"?this._setOriginToCenter(t.target):(t.originX!=="center"&&(t.originX==="right"?t.mouseXSign=-1:t.mouseXSign=1),t.originY!=="center"&&(t.originY==="bottom"?t.mouseYSign=-1:t.mouseYSign=1),t.originX="center",t.originY="center"):(t.originX=t.original.originX,t.originY=t.original.originY)},containsPoint:function(e,t){var n=this.getPointer(e,!0),r=this._normalizePointer(t,n);return t.containsPoint(r)||t._findTargetCorner(n)},_normalizePointer:function(e,t){var n=this.getActiveGroup(),r=t.x,i=t.y,s=n&&e.type!=="group"&&n.contains(e),o;return s&&(o=new fabric.Point(n.left,n.top),o=fabric.util.transformPoint(o,this.viewportTransform,!0),r-=o.x,i-=o.y),{x:r,y:i}},isTargetTransparent:function(e,t,n){var r=e.hasBorders,i=e.transparentCorners;e.hasBorders=e.transparentCorners=!1,this._draw(this.contextCache,e),e.hasBorders=r,e.transparentCorners=i;var s=fabric.util.isTransparent(this.contextCache,t,n,this.targetFindTolerance);return this.clearContext(this.contextCache),s},_shouldClearSelection:function(e,t){var n=this.getActiveGroup(),r=this.getActiveObject();return!t||t&&n&&!n.contains(t)&&n!==t&&!e.shiftKey||t&&!t.evented||t&&!t.selectable&&r&&r!==t},_shouldCenterTransform:function(e,t){if(!t)return;var n=this._currentTransform,r;return n.action==="scale"||n.action==="scaleX"||n.action==="scaleY"?r=this.centeredScaling||t.centeredScaling:n.action==="rotate"&&(r=this.centeredRotation||t.centeredRotation),r?!e.altKey:e.altKey},_getOriginFromCorner:function(e,t){var n={x:e.originX,y:e.originY};if(t==="ml"||t==="tl"||t==="bl")n.x="right";else if(t==="mr"||t==="tr"||t==="br")n.x="left";if(t==="tl"||t==="mt"||t==="tr")n.y="bottom";else if(t==="bl"||t==="mb"||t==="br")n.y="top";return n},_getActionFromCorner:function(e,t){var n="drag";return t&&(n=t==="ml"||t==="mr"?"scaleX":t==="mt"||t==="mb"?"scaleY":t==="mtr"?"rotate":"scale"),n},_setupCurrentTransform:function(e,n){if(!n)return;var r=this.getPointer(e),i=n._findTargetCorner(this.getPointer(e,!0)),s=this._getActionFromCorner(n,i),o=this._getOriginFromCorner(n,i);this._currentTransform={target:n,action:s,scaleX:n.scaleX,scaleY:n.scaleY,offsetX:r.x-n.left,offsetY:r.y-n.top,originX:o.x,originY:o.y,ex:r.x,ey:r.y,left:n.left,top:n.top,theta:t(n.angle),width:n.width*n.scaleX,mouseXSign:1,mouseYSign:1},this._currentTransform.original={left:n.left,top:n.top,scaleX:n.scaleX,scaleY:n.scaleY,originX:o.x,originY:o.y},this._resetCurrentTransform(e)},_translateObject:function(e,t){var n=this._currentTransform.target;n.get("lockMovementX")||n.set("left",e-this._currentTransform.offsetX),n.get("lockMovementY")||n.set("top",t-this._currentTransform.offsetY)},_scaleObject:function(e,t,n){var r=this._currentTransform,i=r.target,s=i.get("lockScalingX"),o=i.get("lockScalingY"),u=i.get("lockScalingFlip");if(s&&o)return;var a=i.translateToOriginPoint(i.getCenterPoint(),r.originX,r.originY),f=i.toLocalPoint(new fabric.Point(e,t),r.originX,r.originY);this._setLocalMouse(f,r),this._setObjectScale(f,r,s,o,n,u),i.setPositionByOrigin(a,r.originX,r.originY)},_setObjectScale:function(e,t,n,r,i,s){var o=t.target,u=!1,a=!1;t.newScaleX=e.x/(o.width+o.strokeWidth),t.newScaleY=e.y/(o.height+o.strokeWidth),s&&t.newScaleX<=0&&t.newScaleX<o.scaleX&&(u=!0),s&&t.newScaleY<=0&&t.newScaleY<o.scaleY&&(a=!0),i==="equally"&&!n&&!r?u||a||this._scaleObjectEqually(e,o,t):i?i==="x"&&!o.get("lockUniScaling")?u||n||o.set("scaleX",t.newScaleX):i==="y"&&!o.get("lockUniScaling")&&(a||r||o.set("scaleY",t.newScaleY)):(u||n||o.set("scaleX",t.newScaleX),a||r||o.set("scaleY",t.newScaleY)),u||a||this._flipObject(t)},_scaleObjectEqually:function(e,t,n){var r=e.y+e.x,i=(t.height+t.strokeWidth)*n.original.scaleY+(t.width+t.strokeWidth)*n.original.scaleX;n.newScaleX=n.original.scaleX*r/i,n.newScaleY=n.original.scaleY*r/i,t.set("scaleX",n.newScaleX),t.set("scaleY",n.newScaleY)},_flipObject:function(e){e.newScaleX<0&&(e.originX==="left"?e.originX="right":e.originX==="right"&&(e.originX="left")),e.newScaleY<0&&(e.originY==="top"?e.originY="bottom":e.originY==="bottom"&&(e.originY="top"))},_setLocalMouse:function(e,t){var n=t.target;t.originX==="right"?e.x*=-1:t.originX==="center"&&(e.x*=t.mouseXSign*2,e.x<0&&(t.mouseXSign=-t.mouseXSign)),t.originY==="bottom"?e.y*=-1:t.originY==="center"&&(e.y*=t.mouseYSign*2,e.y<0&&(t.mouseYSign=-t.mouseYSign)),i(e.x)>n.padding?e.x<0?e.x+=n.padding:e.x-=n.padding:e.x=0,i(e.y)>n.padding?e.y<0?e.y+=n.padding:e.y-=n.padding:e.y=0},_rotateObject:function(e,t){var i=this._currentTransform;if(i.target.get("lockRotation"))return;var s=r(i.ey-i.top,i.ex-i.left),o=r(t-i.top,e-i.left),u=n(o-s+i.theta);u<0&&(u=360+u),i.target.angle=u},setCursor:function(e){this.upperCanvasEl.style.cursor=e},_resetObjectTransform:function(e){e.scaleX=1,e.scaleY=1,e.setAngle(0)},_drawSelection:function(){var e=this.contextTop,t=this._groupSelector,n=t.left,r=t.top,o=i(n),u=i(r);e.fillStyle=this.selectionColor,e.fillRect(t.ex-(n>0?0:-n),t.ey-(r>0?0:-r),o,u),e.lineWidth=this.selectionLineWidth,e.strokeStyle=this.selectionBorderColor;if(this.selectionDashArray.length>1){var a=t.ex+s-(n>0?0:o),f=t.ey+s-(r>0?0:u);e.beginPath(),fabric.util.drawDashedLine(e,a,f,a+o,f,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f+u-1,a+o,f+u-1,this.selectionDashArray),fabric.util.drawDashedLine(e,a,f,a,f+u,this.selectionDashArray),fabric.util.drawDashedLine(e,a+o-1,f,a+o-1,f+u,this.selectionDashArray),e.closePath(),e.stroke()}else e.strokeRect(t.ex+s-(n>0?0:o),t.ey+s-(r>0?0:u),o,u)},_isLastRenderedObject:function(e){return this.controlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay&&this.lastRenderedObjectWithControlsAboveOverlay.visible&&this.containsPoint(e,this.lastRenderedObjectWithControlsAboveOverlay)&&this.lastRenderedObjectWithControlsAboveOverlay._findTargetCorner(this.getPointer(e,!0))},findTarget:function(e,t){if(this.skipTargetFind)return;if(this._isLastRenderedObject(e))return this.lastRenderedObjectWithControlsAboveOverlay;var n=this.getActiveGroup();if(n&&!t&&this.containsPoint(e,n))return n;var r=this._searchPossibleTargets(e);return this._fireOverOutEvents(r),r},_fireOverOutEvents:function(e){e?this._hoveredTarget!==e&&(this.fire("mouse:over",{target:e}),e.fire("mouseover"),this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout")),this._hoveredTarget=e):this._hoveredTarget&&(this.fire("mouse:out",{target:this._hoveredTarget}),this._hoveredTarget.fire("mouseout"),this._hoveredTarget=null)},_checkTarget:function(e,t,n){if(t&&t.visible&&t.evented&&this.containsPoint(e,t)){if(!this.perPixelTargetFind&&!t.perPixelTargetFind||!!t.isEditing)return!0;var r=this.isTargetTransparent(t,n.x,n.y);if(!r)return!0}},_searchPossibleTargets:function(e){var t,n=this.getPointer(e,!0),r=this._objects.length;while(r--)if(this._checkTarget(e,this._objects[r],n)){this.relatedTarget=this._objects[r],t=this._objects[r];break}return t},getPointer:function(t,n,r){r||(r=this.upperCanvasEl);var i=e(t,r),s=r.getBoundingClientRect(),o;return this.calcOffset(),i.x=i.x-this._offset.left,i.y=i.y-this._offset.top,n||(i=fabric.util.transformPoint(i,fabric.util.invertTransform(this.viewportTransform))),s.width===0||s.height===0?o={width:1,height:1}:o={width:r.width/s.width,height:r.height/s.height},{x:i.x*o.width,y:i.y*o.height}},_createUpperCanvas:function(){var e=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+e),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{"class":this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(e){var t=this.getWidth()||e.width,n=this.getHeight()||e.height;fabric.util.setStyle(e,{position:"absolute",width:t+"px",height:n+"px",left:0,top:0}),e.width=t,e.height=n,fabric.util.makeElementUnselectable(e)},_copyCanvasStyle:function(e,t){t.style.cssText=e.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(e){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=e,e.set("active",!0)},setActiveObject:function(e,t){return this._setActiveObject(e),this.renderAll(),this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t}),this},getActiveObject:function(){return this._activeObject},_discardActiveObject:function(){this._activeObject&&this._activeObject.set("active",!1),this._activeObject=null},discardActiveObject:function(e){return this._discardActiveObject(),this.renderAll(),this.fire("selection:cleared",{e:e}),this},_setActiveGroup:function(e){this._activeGroup=e,e&&e.set("active",!0)},setActiveGroup:function(e,t){return this._setActiveGroup(e),e&&(this.fire("object:selected",{target:e,e:t}),e.fire("selected",{e:t})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var e=this.getActiveGroup();e&&e.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(e){return this._discardActiveGroup(),this.fire("selection:cleared",{e:e}),this},deactivateAll:function(){var e=this.getObjects(),t=0,n=e.length;for(;t<n;t++)e[t].set("active",!1);return this._discardActiveGroup(),this._discardActiveObject(),this},deactivateAllWithDispatch:function(e){var t=this.getActiveGroup()||this.getActiveObject();return t&&this.fire("before:selection:cleared",{target:t,e:e}),this.deactivateAll(),t&&this.fire("selection:cleared",{e:e}),this},drawControls:function(e){var t=this.getActiveGroup();t?this._drawGroupControls(e,t):this._drawObjectsControls(e)},_drawGroupControls:function(e,t){t._renderControls(e)},_drawObjectsControls:function(e){for(var t=0,n=this._objects.length;t<n;++t){if(!this._objects[t]||!this._objects[t].active)continue;this._objects[t]._renderControls(e),this.lastRenderedObjectWithControlsAboveOverlay=this._objects[t]}}});for(var o in fabric.StaticCanvas)o!=="prototype"&&(fabric.Canvas[o]=fabric.StaticCanvas[o]);fabric.isTouchSupported&&(fabric.Canvas.prototype._setCursorFromEvent=function(){}),fabric.Element=fabric.Canvas}(),function(){var e={mt:0,tr:1,mr:2,br:3,mb:4,bl:5,ml:6,tl:7},t=fabric.util.addListener,n=fabric.util.removeListener;fabric.util.object.extend(fabric.Canvas.prototype,{cursorMap:["n-resize","ne-resize","e-resize","se-resize","s-resize","sw-resize","w-resize","nw-resize"],_initEventListeners:function(){this._bindEvents(),t(fabric.window,"resize",this._onResize),t(this.upperCanvasEl,"mousedown",this._onMouseDown),t(this.upperCanvasEl,"mousemove",this._onMouseMove),t(this.upperCanvasEl,"mousewheel",this._onMouseWheel),t(this.upperCanvasEl,"touchstart",this._onMouseDown),t(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof Event!="undefined"&&"add"in Event&&(Event.add(this.upperCanvasEl,"gesture",this._onGesture),Event.add(this.upperCanvasEl,"drag",this._onDrag),Event.add(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.add(this.upperCanvasEl,"shake",this._onShake))},_bindEvents:function(){this._onMouseDown=this._onMouseDown.bind(this),this._onMouseMove=this._onMouseMove.bind(this),this._onMouseUp=this._onMouseUp.bind(this),this._onResize=this._onResize.bind(this),this._onGesture=this._onGesture.bind(this),this._onDrag=this._onDrag.bind(this),this._onShake=this._onShake.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._onMouseWheel=this._onMouseWheel.bind(this)},removeListeners:function(){n(fabric.window,"resize",this._onResize),n(this.upperCanvasEl,"mousedown",this._onMouseDown),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"mousewheel",this._onMouseWheel),n(this.upperCanvasEl,"touchstart",this._onMouseDown),n(this.upperCanvasEl,"touchmove",this._onMouseMove),typeof Event!="undefined"&&"remove"in Event&&(Event.remove(this.upperCanvasEl,"gesture",this._onGesture),Event.remove(this.upperCanvasEl,"drag",this._onDrag),Event.remove(this.upperCanvasEl,"orientation",this._onOrientationChange),Event.remove(this.upperCanvasEl,"shake",this._onShake))},_onGesture:function(e,t){this.__onTransformGesture&&this.__onTransformGesture(e,t)},_onDrag:function(e,t){this.__onDrag&&this.__onDrag(e,t)},_onMouseWheel:function(e,t){this.__onMouseWheel&&this.__onMouseWheel(e,t)},_onOrientationChange:function(e,t){this.__onOrientationChange&&this.__onOrientationChange(e,t)},_onShake:function(e,t){this.__onShake&&this.__onShake(e,t)},_onMouseDown:function(e){this.__onMouseDown(e),t(fabric.document,"touchend",this._onMouseUp),t(fabric.document,"touchmove",this._onMouseMove),n(this.upperCanvasEl,"mousemove",this._onMouseMove),n(this.upperCanvasEl,"touchmove",this._onMouseMove),e.type==="touchstart"?n(this.upperCanvasEl,"mousedown",this._onMouseDown):(t(fabric.document,"mouseup",this._onMouseUp),t(fabric.document,"mousemove",this._onMouseMove))},_onMouseUp:function(e){this.__onMouseUp(e),n(fabric.document,"mouseup",this._onMouseUp),n(fabric.document,"touchend",this._onMouseUp),n(fabric.document,"mousemove",this._onMouseMove),n(fabric.document,"touchmove",this._onMouseMove),t(this.upperCanvasEl,"mousemove",this._onMouseMove),t(this.upperCanvasEl,"touchmove",this._onMouseMove);if(e.type==="touchend"){var r=this;setTimeout(function(){t(r.upperCanvasEl,"mousedown",r._onMouseDown)},400)}},_onMouseMove:function(e){!this.allowTouchScrolling&&e.preventDefault&&e.preventDefault(),this.__onMouseMove(e)},_onResize:function(){this.calcOffset()},_shouldRender:function(e,t){var n=this.getActiveGroup()||this.getActiveObject();return!!(e&&(e.isMoving||e!==n)||!e&&!!n||!e&&!n&&!this._groupSelector||t&&this._previousPointer&&this.selection&&(t.x!==this._previousPointer.x||t.y!==this._previousPointer.y))},__onMouseUp:function(e){var t;if(this.isDrawingMode&&this._isCurrentlyDrawing){this._onMouseUpInDrawingMode(e);return}this._currentTransform?(this._finalizeCurrentTransform(),t=this._currentTransform.target):t=this.findTarget(e,!0);var n=this._shouldRender(t,this.getPointer(e));this._maybeGroupObjects(e),t&&(t.isMoving=!1),n&&this.renderAll(),this._handleCursorAndEvent(e,t)},_handleCursorAndEvent:function(e,t){this._setCursorFromEvent(e,t);var n=this;setTimeout(function(){n._setCursorFromEvent(e,t)},50),this.fire("mouse:up",{target:t,e:e}),t&&t.fire("mouseup",{e:e})},_finalizeCurrentTransform:function(){var e=this._currentTransform,t=e.target;t._scaling&&(t._scaling=!1),t.setCoords(),this.stateful&&t.hasStateChanged()&&(this.fire("object:modified",{target:t}),t.fire("modified")),this._restoreOriginXY(t)},_restoreOriginXY:function(e){if(this._previousOriginX&&this._previousOriginY){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null}},_onMouseDownInDrawingMode:function(e){this._isCurrentlyDrawing=!0,this.discardActiveObject(e).renderAll(),this.clipTo&&fabric.util.clipContext(this,this.contextTop);var t=fabric.util.invertTransform(this.viewportTransform),n=fabric.util.transformPoint(this.getPointer(e,!0),t);this.freeDrawingBrush.onMouseDown(n),this.fire("mouse:down",{e:e})},_onMouseMoveInDrawingMode:function(e){if(this._isCurrentlyDrawing){var t=fabric.util.invertTransform(this.viewportTransform),n=fabric.util.transformPoint(this.getPointer(e,!0),t);this.freeDrawingBrush.onMouseMove(n)}this.setCursor(this.freeDrawingCursor),this.fire("mouse:move",{e:e})},_onMouseUpInDrawingMode:function(e){this._isCurrentlyDrawing=!1,this.clipTo&&this.contextTop.restore(),this.freeDrawingBrush.onMouseUp(),this.fire("mouse:up",{e:e})},__onMouseDown:function(e){var t="which"in e?e.which===1:e.button===1;if(!t&&!fabric.isTouchSupported)return;if(this.isDrawingMode){this._onMouseDownInDrawingMode(e);return}if(this._currentTransform)return;var n=this.findTarget(e),r=this.getPointer(e,!0);this._previousPointer=r;var i=this._shouldRender(n,r),s=this._shouldGroup(e,n);this._shouldClearSelection(e,n)?this._clearSelection(e,n,r):s&&(this._handleGrouping(e,n),n=this.getActiveGroup()),n&&n.selectable&&!s&&(this._beforeTransform(e,n),this._setupCurrentTransform(e,n)),i&&this.renderAll(),this.fire("mouse:down",{target:n,e:e}),n&&n.fire("mousedown",{e:e})},_beforeTransform:function(e,t){var n;this.stateful&&t.saveState(),(n=t._findTargetCorner(this.getPointer(e)))&&this.onBeforeScaleRotate(t),t!==this.getActiveGroup()&&t!==this.getActiveObject()&&(this.deactivateAll(),this.setActiveObject(t,e))},_clearSelection:function(e,t,n){this.deactivateAllWithDispatch(e),t&&t.selectable?this.setActiveObject(t,e):this.selection&&(this._groupSelector={ex:n.x,ey:n.y,top:0,left:0})},_setOriginToCenter:function(e){this._previousOriginX=this._currentTransform.target.originX,this._previousOriginY=this._currentTransform.target.originY;var t=e.getCenterPoint();e.originX="center",e.originY="center",e.left=t.x,e.top=t.y,this._currentTransform.left=e.left,this._currentTransform.top=e.top},_setCenterToOrigin:function(e){var t=e.translateToOriginPoint(e.getCenterPoint(),this._previousOriginX,this._previousOriginY);e.originX=this._previousOriginX,e.originY=this._previousOriginY,e.left=t.x,e.top=t.y,this._previousOriginX=null,this._previousOriginY=null},__onMouseMove:function(e){var t,n;if(this.isDrawingMode){this._onMouseMoveInDrawingMode(e);return}var r=this._groupSelector;r?(n=this.getPointer(e,!0),r.left=n.x-r.ex,r.top=n.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(e):(t=this.findTarget(e),!t||t&&!t.selectable?this.setCursor(this.defaultCursor):this._setCursorFromEvent(e,t)),this.fire("mouse:move",{target:t,e:e}),t&&t.fire("mousemove",{e:e})},_transformObject:function(e){var t=this.getPointer(e),n=this._currentTransform;n.reset=!1,n.target.isMoving=!0,this._beforeScaleTransform(e,n),this._performTransformAction(e,n,t),this.renderAll()},_performTransformAction:function(e,t,n){var r=n.x,i=n.y,s=t.target,o=t.action;o==="rotate"?(this._rotateObject(r,i),this._fire("rotating",s,e)):o==="scale"?(this._onScale(e,t,r,i),this._fire("scaling",s,e)):o==="scaleX"?(this._scaleObject(r,i,"x"),this._fire("scaling",s,e)):o==="scaleY"?(this._scaleObject(r,i,"y"),this._fire("scaling",s,e)):(this._translateObject(r,i),this._fire("moving",s,e),this.setCursor(this.moveCursor))},_fire:function(e,t,n){this.fire("object:"+e,{target:t,e:n}),t.fire(e,{e:n})},_beforeScaleTransform:function(e,t){if(t.action==="scale"||t.action==="scaleX"||t.action==="scaleY"){var n=this._shouldCenterTransform(e,t.target);if(n&&(t.originX!=="center"||t.originY!=="center")||!n&&t.originX==="center"&&t.originY==="center")this._resetCurrentTransform(e),t.reset=!0}},_onScale:function(e,t,n,r){(e.shiftKey||this.uniScaleTransform)&&!t.target.get("lockUniScaling")?(t.currentAction="scale",this._scaleObject(n,r)):(!t.reset&&t.currentAction==="scale"&&this._resetCurrentTransform(e,t.target),t.currentAction="scaleEqually",this._scaleObject(n,r,"equally"))},_setCursorFromEvent:function(e,t){if(!t||!t.selectable)return this.setCursor(this.defaultCursor),!1;var n=this.getActiveGroup(),r=t._findTargetCorner&&(!n||!n.contains(t))&&t._findTargetCorner(this.getPointer(e,!0));return r?this._setCornerCursor(r,t):this.setCursor(t.hoverCursor||this.hoverCursor),!0},_setCornerCursor:function(t,n){if(t in e)this.setCursor(this._getRotatedCornerCursor(t,n));else{if(t!=="mtr"||!n.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(t,n){var r=Math.round(n.getAngle()%360/45);return r<0&&(r+=8),r+=e[t],r%=8,this.cursorMap[r]}})}(),function(){var e=Math.min,t=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(e,t){var n=this.getActiveObject();return e.shiftKey&&(this.getActiveGroup()||n&&n!==t)&&this.selection},_handleGrouping:function(e,t){if(t===this.getActiveGroup()){t=this.findTarget(e,!0);if(!t||t.isType("group"))return}this.getActiveGroup()?this._updateActiveGroup(t,e):this._createActiveGroup(t,e),this._activeGroup&&this._activeGroup.saveCoords()},_updateActiveGroup:function(e,t){var n=this.getActiveGroup();if(n.contains(e)){n.removeWithUpdate(e),this._resetObjectTransform(n),e.set("active",!1);if(n.size()===1){this.discardActiveGroup(t),this.setActiveObject(n.item(0));return}}else n.addWithUpdate(e),this._resetObjectTransform(n);this.fire("selection:created",{target:n,e:t}),n.set("active",!0)},_createActiveGroup:function(e,t){if(this._activeObject&&e!==this._activeObject){var n=this._createGroup(e);n.addWithUpdate(),this.setActiveGroup(n),this._activeObject=null,this.fire("selection:created",{target:n,e:t})}e.set("active",!0)},_createGroup:function(e){var t=this.getObjects(),n=t.indexOf(this._activeObject)<t.indexOf(e),r=n?[this._activeObject,e]:[e,this._activeObject];return new fabric.Group(r,{originX:"center",originY:"center",canvas:this})},_groupSelectedObjects:function(e){var t=this._collectObjects();t.length===1?this.setActiveObject(t[0],e):t.length>1&&(t=new fabric.Group(t.reverse(),{originX:"center",originY:"center",canvas:this}),t.addWithUpdate(),this.setActiveGroup(t,e),t.saveCoords(),this.fire("selection:created",{target:t}),this.renderAll())},_collectObjects:function(){var n=[],r,i=this._groupSelector.ex,s=this._groupSelector.ey,o=i+this._groupSelector.left,u=s+this._groupSelector.top,a=new fabric.Point(e(i,o),e(s,u)),f=new fabric.Point(t(i,o),t(s,u)),l=i===o&&s===u;for(var c=this._objects.length;c--;){r=this._objects[c];if(!r||!r.selectable||!r.visible)continue;if(r.intersectsWithRect(a,f)||r.isContainedWithinRect(a,f)||r.containsPoint(a)||r.containsPoint(f)){r.set("active",!0),n.push(r);if(l)break}}return n},_maybeGroupObjects:function(e){this.selection&&this._groupSelector&&this._groupSelectedObjects(e);var t=this.getActiveGroup();t&&(t.setObjectsCoords().setCoords(),t.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(e){e||(e={});var t=e.format||"png",n=e.quality||1,r=e.multiplier||1,i={left:e.left,top:e.top,width:e.width,height:e.height};return r!==1?this.__toDataURLWithMultiplier(t,n,i,r):this.__toDataURL(t,n,i)},__toDataURL:function(e,t,n){this.renderAll(!0);var r=this.upperCanvasEl||this.lowerCanvasEl,i=this.__getCroppedCanvas(r,n);e==="jpg"&&(e="jpeg");var s=fabric.StaticCanvas.supports("toDataURLWithQuality")?(i||r).toDataURL("image/"+e,t):(i||r).toDataURL("image/"+e);return this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),i&&(i=null),s},__getCroppedCanvas:function(e,t){var n,r,i="left"in t||"top"in t||"width"in t||"height"in t;return i&&(n=fabric.util.createCanvasElement(),r=n.getContext("2d"),n.width=t.width||this.width,n.height=t.height||this.height,r.drawImage(e,-t.left||0,-t.top||0)),n},__toDataURLWithMultiplier:function(e,t,n,r){var i=this.getWidth(),s=this.getHeight(),o=i*r,u=s*r,a=this.getActiveObject(),f=this.getActiveGroup(),l=this.contextTop||this.contextContainer;r>1&&this.setWidth(o).setHeight(u),l.scale(r,r),n.left&&(n.left*=r),n.top&&(n.top*=r),n.width?n.width*=r:r<1&&(n.width=o),n.height?n.height*=r:r<1&&(n.height=u),f?this._tempRemoveBordersControlsFromGroup(f):a&&this.deactivateAll&&this.deactivateAll(),this.renderAll(!0);var c=this.__toDataURL(e,t,n);return this.width=i,this.height=s,l.scale(1/r,1/r),this.setWidth(i).setHeight(s),f?this._restoreBordersControlsOnGroup(f):a&&this.setActiveObject&&this.setActiveObject(a),this.contextTop&&this.clearContext(this.contextTop),this.renderAll(),c},toDataURLWithMultiplier:function(e,t,n){return this.toDataURL({format:e,multiplier:t,quality:n})},_tempRemoveBordersControlsFromGroup:function(e){e.origHasControls=e.hasControls,e.origBorderColor=e.borderColor,e.hasControls=!0,e.borderColor="rgba(0,0,0,0)",e.forEachObject(function(e){e.origBorderColor=e.borderColor,e.borderColor="rgba(0,0,0,0)"})},_restoreBordersControlsOnGroup:function(e){e.hideControls=e.origHideControls,e.borderColor=e.origBorderColor,e.forEachObject(function(e){e.borderColor=e.origBorderColor,delete e.origBorderColor})}}),fabric.util
|
||
.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(e,t,n){return this.loadFromJSON(e,t,n)},loadFromJSON:function(e,t,n){if(!e)return;var r=typeof e=="string"?JSON.parse(e):e;this.clear();var i=this;return this._enlivenObjects(r.objects,function(){i._setBgOverlay(r,t)},n),this},_setBgOverlay:function(e,t){var n=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!e.backgroundImage&&!e.overlayImage&&!e.background&&!e.overlay){t&&t();return}var i=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(n.renderAll(),t&&t())};this.__setBgOverlay("backgroundImage",e.backgroundImage,r,i),this.__setBgOverlay("overlayImage",e.overlayImage,r,i),this.__setBgOverlay("backgroundColor",e.background,r,i),this.__setBgOverlay("overlayColor",e.overlay,r,i),i()},__setBgOverlay:function(e,t,n,r){var i=this;if(!t){n[e]=!0;return}e==="backgroundImage"||e==="overlayImage"?fabric.Image.fromObject(t,function(t){i[e]=t,n[e]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(e,!0)](t,function(){n[e]=!0,r&&r()})},_enlivenObjects:function(e,t,n){var r=this;if(!e||e.length===0){t&&t();return}var i=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(e,function(e){e.forEach(function(e,t){r.insertAt(e,t,!0)}),r.renderOnAddRemove=i,t&&t()},null,n)},_toDataURL:function(e,t){this.clone(function(n){t(n.toDataURL(e))})},_toDataURLWithMultiplier:function(e,t,n){this.clone(function(r){n(r.toDataURLWithMultiplier(e,t))})},clone:function(e,t){var n=JSON.stringify(this.toJSON(t));this.cloneWithoutData(function(t){t.loadFromJSON(n,function(){e&&e(t)})})},cloneWithoutData:function(e){var t=fabric.document.createElement("canvas");t.width=this.getWidth(),t.height=this.getHeight();var n=new fabric.Canvas(t);n.clipTo=this.clipTo,this.backgroundImage?(n.setBackgroundImage(this.backgroundImage.src,function(){n.renderAll(),e&&e(n)}),n.backgroundImageOpacity=this.backgroundImageOpacity,n.backgroundImageStretch=this.backgroundImageStretch):e&&e(n)}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.toFixed,i=t.util.string.capitalize,s=t.util.degreesToRadians,o=t.StaticCanvas.supports("setLineDash");if(t.Object)return;t.Object=t.util.createClass({type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,cornerSize:12,transparentCorners:!0,hoverCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",cornerColor:"rgba(102,153,255,0.5)",centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"source-over",backgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockScalingFlip:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule shadow clipTo visible backgroundColor".split(" "),initialize:function(e){e&&this.setOptions(e)},_initGradient:function(e){e.fill&&e.fill.colorStops&&!(e.fill instanceof t.Gradient)&&this.set("fill",new t.Gradient(e.fill))},_initPattern:function(e){e.fill&&e.fill.source&&!(e.fill instanceof t.Pattern)&&this.set("fill",new t.Pattern(e.fill)),e.stroke&&e.stroke.source&&!(e.stroke instanceof t.Pattern)&&this.set("stroke",new t.Pattern(e.stroke))},_initClipping:function(e){if(!e.clipTo||typeof e.clipTo!="string")return;var n=t.util.getFunctionBody(e.clipTo);typeof n!="undefined"&&(this.clipTo=new Function("ctx",n))},setOptions:function(e){for(var t in e)this.set(t,e[t]);this._initGradient(e),this._initPattern(e),this._initClipping(e)},transform:function(e,t){this.group&&this.group.transform(e,t),e.globalAlpha=this.opacity;var n=t?this._getLeftTopCoords():this.getCenterPoint();e.translate(n.x,n.y),e.rotate(s(this.angle)),e.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1))},toObject:function(e){var n=t.Object.NUM_FRACTION_DIGITS,i={type:this.type,originX:this.originX,originY:this.originY,left:r(this.left,n),top:r(this.top,n),width:r(this.width,n),height:r(this.height,n),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:r(this.strokeWidth,n),strokeDashArray:this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:r(this.strokeMiterLimit,n),scaleX:r(this.scaleX,n),scaleY:r(this.scaleY,n),angle:r(this.getAngle(),n),flipX:this.flipX,flipY:this.flipY,opacity:r(this.opacity,n),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor};return this.includeDefaultValues||(i=this._removeDefaultValues(i)),t.util.populateWithProperties(this,i,e),i},toDatalessObject:function(e){return this.toObject(e)},_removeDefaultValues:function(e){var n=t.util.getKlass(e.type).prototype,r=n.stateProperties;return r.forEach(function(t){e[t]===n[t]&&delete e[t]}),e},toString:function(){return"#<fabric."+i(this.type)+">"},get:function(e){return this[e]},_setObject:function(e){for(var t in e)this._set(t,e[t])},set:function(e,t){return typeof e=="object"?this._setObject(e):typeof t=="function"&&e!=="clipTo"?this._set(e,t(this.get(e))):this._set(e,t),this},_set:function(e,n){var i=e==="scaleX"||e==="scaleY";return i&&(n=this._constrainScale(n)),e==="scaleX"&&n<0?(this.flipX=!this.flipX,n*=-1):e==="scaleY"&&n<0?(this.flipY=!this.flipY,n*=-1):e==="width"||e==="height"?this.minScaleLimit=r(Math.min(.1,1/Math.max(this.width,this.height)),2):e==="shadow"&&n&&!(n instanceof t.Shadow)&&(n=new t.Shadow(n)),this[e]=n,this},toggle:function(e){var t=this.get(e);return typeof t=="boolean"&&this.set(e,!t),this},setSourcePath:function(e){return this.sourcePath=e,this},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:[1,0,0,1,0,0]},render:function(e,n){if(this.width===0||this.height===0||!this.visible)return;e.save(),this._setupFillRule(e),this._transform(e,n),this._setStrokeStyles(e),this._setFillStyles(e);if(this.group&&this.group.type==="path-group"){e.translate(-this.group.width/2,-this.group.height/2);var r=this.transformMatrix;r&&e.transform.apply(e,r)}e.globalAlpha=this.group?e.globalAlpha*this.opacity:this.opacity,this._setShadow(e),this.clipTo&&t.util.clipContext(this,e),this._render(e,n),this.clipTo&&e.restore(),this._removeShadow(e),this._restoreFillRule(e),e.restore()},_transform:function(e,t){var n=this.transformMatrix;n&&!this.group&&e.setTransform.apply(e,n),t||this.transform(e)},_setStrokeStyles:function(e){this.stroke&&(e.lineWidth=this.strokeWidth,e.lineCap=this.strokeLineCap,e.lineJoin=this.strokeLineJoin,e.miterLimit=this.strokeMiterLimit,e.strokeStyle=this.stroke.toLive?this.stroke.toLive(e):this.stroke)},_setFillStyles:function(e){this.fill&&(e.fillStyle=this.fill.toLive?this.fill.toLive(e):this.fill)},_renderControls:function(e,n){var r=this.getViewportTransform();e.save();if(this.active&&!n){var i;this.group&&(i=t.util.transformPoint(this.group.getCenterPoint(),r),e.translate(i.x,i.y),e.rotate(s(this.group.angle))),i=t.util.transformPoint(this.getCenterPoint(),r,null!=this.group),this.group&&(i.x*=this.group.scaleX,i.y*=this.group.scaleY),e.translate(i.x,i.y),e.rotate(s(this.angle)),this.drawBorders(e),this.drawControls(e)}e.restore()},_setShadow:function(e){if(!this.shadow)return;e.shadowColor=this.shadow.color,e.shadowBlur=this.shadow.blur,e.shadowOffsetX=this.shadow.offsetX,e.shadowOffsetY=this.shadow.offsetY},_removeShadow:function(e){if(!this.shadow)return;e.shadowColor="",e.shadowBlur=e.shadowOffsetX=e.shadowOffsetY=0},_renderFill:function(e){if(!this.fill)return;e.save(),this.fill.toLive&&e.translate(-this.width/2+this.fill.offsetX||0,-this.height/2+this.fill.offsetY||0);if(this.fill.gradientTransform){var t=this.fill.gradientTransform;e.transform.apply(e,t)}this.fillRule==="destination-over"?e.fill("evenodd"):e.fill(),e.restore(),this.shadow&&!this.shadow.affectStroke&&this._removeShadow(e)},_renderStroke:function(e){if(!this.stroke||this.strokeWidth===0)return;e.save();if(this.strokeDashArray)1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),o?(e.setLineDash(this.strokeDashArray),this._stroke&&this._stroke(e)):this._renderDashedStroke&&this._renderDashedStroke(e),e.stroke();else{if(this.stroke.gradientTransform){var t=this.stroke.gradientTransform;e.transform.apply(e,t)}this._stroke?this._stroke(e):e.stroke()}this._removeShadow(e),e.restore()},clone:function(e,n){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(n),e):new t.Object(this.toObject(n))},cloneAsImage:function(e){var n=this.toDataURL();return t.util.loadImage(n,function(n){e&&e(new t.Image(n))}),this},toDataURL:function(e){e||(e={});var n=t.util.createCanvasElement(),r=this.getBoundingRect();n.width=r.width,n.height=r.height,t.util.wrapElement(n,"div");var i=new t.Canvas(n);e.format==="jpg"&&(e.format="jpeg"),e.format==="jpeg"&&(i.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new t.Point(n.width/2,n.height/2),"center","center");var o=this.canvas;i.add(this);var u=i.toDataURL(e);return this.set(s).setCoords(),this.canvas=o,i.dispose(),i=null,u},isType:function(e){return this.type===e},complexity:function(){return 0},toJSON:function(e){return this.toObject(e)},setGradient:function(e,n){n||(n={});var r={colorStops:[]};r.type=n.type||(n.r1||n.r2?"radial":"linear"),r.coords={x1:n.x1,y1:n.y1,x2:n.x2,y2:n.y2};if(n.r1||n.r2)r.coords.r1=n.r1,r.coords.r2=n.r2;for(var i in n.colorStops){var s=new t.Color(n.colorStops[i]);r.colorStops.push({offset:i,color:s.toRgb(),opacity:s.getAlpha()})}return this.set(e,t.Gradient.forObject(this,r))},setPatternFill:function(e){return this.set("fill",new t.Pattern(e))},setShadow:function(e){return this.set("shadow",e?new t.Shadow(e):null)},setColor:function(e){return this.set("fill",e),this},setAngle:function(e){var t=(this.originX!=="center"||this.originY!=="center")&&this.centeredRotation;return t&&this._setOriginToCenter(),this.set("angle",e),t&&this._resetOrigin(),this},centerH:function(){return this.canvas.centerObjectH(this),this},centerV:function(){return this.canvas.centerObjectV(this),this},center:function(){return this.canvas.centerObject(this),this},remove:function(){return this.canvas.remove(this),this},getLocalPointer:function(e,t){t=t||this.canvas.getPointer(e);var n=this.translateToOriginPoint(this.getCenterPoint(),"left","top");return{x:t.x-n.x,y:t.y-n.y}},_setupFillRule:function(e){this.fillRule&&(this._prevFillRule=e.globalCompositeOperation,e.globalCompositeOperation=this.fillRule)},_restoreFillRule:function(e){this.fillRule&&this._prevFillRule&&(e.globalCompositeOperation=this._prevFillRule)}}),t.util.createAccessors(t.Object),t.Object.prototype.rotate=t.Object.prototype.setAngle,n(t.Object.prototype,t.Observable),t.Object.NUM_FRACTION_DIGITS=2,t.Object.__uid=0}(typeof exports!="undefined"?exports:this),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{translateToCenterPoint:function(t,n,r){var i=t.x,s=t.y,o=this.stroke?this.strokeWidth:0;return n==="left"?i=t.x+(this.getWidth()+o*this.scaleX)/2:n==="right"&&(i=t.x-(this.getWidth()+o*this.scaleX)/2),r==="top"?s=t.y+(this.getHeight()+o*this.scaleY)/2:r==="bottom"&&(s=t.y-(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},translateToOriginPoint:function(t,n,r){var i=t.x,s=t.y,o=this.stroke?this.strokeWidth:0;return n==="left"?i=t.x-(this.getWidth()+o*this.scaleX)/2:n==="right"&&(i=t.x+(this.getWidth()+o*this.scaleX)/2),r==="top"?s=t.y-(this.getHeight()+o*this.scaleY)/2:r==="bottom"&&(s=t.y+(this.getHeight()+o*this.scaleY)/2),fabric.util.rotatePoint(new fabric.Point(i,s),t,e(this.angle))},getCenterPoint:function(){var e=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(e,this.originX,this.originY)},getPointByOrigin:function(e,t){var n=this.getCenterPoint();return this.translateToOriginPoint(n,e,t)},toLocalPoint:function(t,n,r){var i=this.getCenterPoint(),s=this.stroke?this.strokeWidth:0,o,u;return n&&r?(n==="left"?o=i.x-(this.getWidth()+s*this.scaleX)/2:n==="right"?o=i.x+(this.getWidth()+s*this.scaleX)/2:o=i.x,r==="top"?u=i.y-(this.getHeight()+s*this.scaleY)/2:r==="bottom"?u=i.y+(this.getHeight()+s*this.scaleY)/2:u=i.y):(o=this.left,u=this.top),fabric.util.rotatePoint(new fabric.Point(t.x,t.y),i,-e(this.angle)).subtractEquals(new fabric.Point(o,u))},setPositionByOrigin:function(e,t,n){var r=this.translateToCenterPoint(e,t,n),i=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",i.x),this.set("top",i.y)},adjustPosition:function(t){var n=e(this.angle),r=this.getWidth()/2,i=Math.cos(n)*r,s=Math.sin(n)*r,o=this.getWidth(),u=Math.cos(n)*o,a=Math.sin(n)*o;this.originX==="center"&&t==="left"||this.originX==="right"&&t==="center"?(this.left-=i,this.top-=s):this.originX==="left"&&t==="center"||this.originX==="center"&&t==="right"?(this.left+=i,this.top+=s):this.originX==="left"&&t==="right"?(this.left+=u,this.top+=a):this.originX==="right"&&t==="left"&&(this.left-=u,this.top-=a),this.setCoords(),this.originX=t},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var e=this.getCenterPoint();this.originX="center",this.originY="center",this.left=e.x,this.top=e.y},_resetOrigin:function(){var e=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=e.x,this.top=e.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","center")}})}(),function(){var e=fabric.util.degreesToRadians;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,intersectsWithRect:function(e,t){var n=this.oCoords,r=new fabric.Point(n.tl.x,n.tl.y),i=new fabric.Point(n.tr.x,n.tr.y),s=new fabric.Point(n.bl.x,n.bl.y),o=new fabric.Point(n.br.x,n.br.y),u=fabric.Intersection.intersectPolygonRectangle([r,i,o,s],e,t);return u.status==="Intersection"},intersectsWithObject:function(e){function t(e){return{tl:new fabric.Point(e.tl.x,e.tl.y),tr:new fabric.Point(e.tr.x,e.tr.y),bl:new fabric.Point(e.bl.x,e.bl.y),br:new fabric.Point(e.br.x,e.br.y)}}var n=t(this.oCoords),r=t(e.oCoords),i=fabric.Intersection.intersectPolygonPolygon([n.tl,n.tr,n.br,n.bl],[r.tl,r.tr,r.br,r.bl]);return i.status==="Intersection"},isContainedWithinObject:function(e){var t=e.getBoundingRect(),n=new fabric.Point(t.left,t.top),r=new fabric.Point(t.left+t.width,t.top+t.height);return this.isContainedWithinRect(n,r)},isContainedWithinRect:function(e,t){var n=this.getBoundingRect();return n.left>=e.x&&n.left+n.width<=t.x&&n.top>=e.y&&n.top+n.height<=t.y},containsPoint:function(e){var t=this._getImageLines(this.oCoords),n=this._findCrossPoints(e,t);return n!==0&&n%2===1},_getImageLines:function(e){return{topline:{o:e.tl,d:e.tr},rightline:{o:e.tr,d:e.br},bottomline:{o:e.br,d:e.bl},leftline:{o:e.bl,d:e.tl}}},_findCrossPoints:function(e,t){var n,r,i,s,o,u,a=0,f;for(var l in t){f=t[l];if(f.o.y<e.y&&f.d.y<e.y)continue;if(f.o.y>=e.y&&f.d.y>=e.y)continue;f.o.x===f.d.x&&f.o.x>=e.x?(o=f.o.x,u=e.y):(n=0,r=(f.d.y-f.o.y)/(f.d.x-f.o.x),i=e.y-n*e.x,s=f.o.y-r*f.o.x,o=-(i-s)/(n-r),u=i+n*o),o>=e.x&&(a+=1);if(a===2)break}return a},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(){this.oCoords||this.setCoords();var e=[this.oCoords.tl.x,this.oCoords.tr.x,this.oCoords.br.x,this.oCoords.bl.x],t=fabric.util.array.min(e),n=fabric.util.array.max(e),r=Math.abs(t-n),i=[this.oCoords.tl.y,this.oCoords.tr.y,this.oCoords.br.y,this.oCoords.bl.y],s=fabric.util.array.min(i),o=fabric.util.array.max(i),u=Math.abs(s-o);return{left:t,top:s,width:r,height:u}},getWidth:function(){return this.width*this.scaleX},getHeight:function(){return this.height*this.scaleY},_constrainScale:function(e){return Math.abs(e)<this.minScaleLimit?e<0?-this.minScaleLimit:this.minScaleLimit:e},scale:function(e){return e=this._constrainScale(e),e<0&&(this.flipX=!this.flipX,this.flipY=!this.flipY,e*=-1),this.scaleX=e,this.scaleY=e,this.setCoords(),this},scaleToWidth:function(e){var t=this.getBoundingRectWidth()/this.getWidth();return this.scale(e/this.width/t)},scaleToHeight:function(e){var t=this.getBoundingRectHeight()/this.getHeight();return this.scale(e/this.height/t)},setCoords:function(){var t=this.strokeWidth>1?this.strokeWidth:0,n=e(this.angle),r=this.getViewportTransform(),i=function(e){return fabric.util.transformPoint(e,r)},s=this.width,o=this.height,u=this.strokeLineCap==="round"||this.strokeLineCap==="square",a=this.type==="line"&&this.width===1,f=this.type==="line"&&this.height===1,l=u&&f||this.type!=="line",c=u&&a||this.type!=="line";a?s=t:f&&(o=t),l&&(s+=t),c&&(o+=t),this.currentWidth=s*this.scaleX,this.currentHeight=o*this.scaleY,this.currentWidth<0&&(this.currentWidth=Math.abs(this.currentWidth));var h=Math.sqrt(Math.pow(this.currentWidth/2,2)+Math.pow(this.currentHeight/2,2)),p=Math.atan(isFinite(this.currentHeight/this.currentWidth)?this.currentHeight/this.currentWidth:0),d=Math.cos(p+n)*h,v=Math.sin(p+n)*h,m=Math.sin(n),g=Math.cos(n),y=this.getCenterPoint(),b=new fabric.Point(this.currentWidth,this.currentHeight),w=new fabric.Point(y.x-d,y.y-v),E=new fabric.Point(w.x+b.x*g,w.y+b.x*m),S=new fabric.Point(w.x-b.y*m,w.y+b.y*g),x=new fabric.Point(w.x+b.x/2*g,w.y+b.x/2*m),T=i(w),N=i(E),C=i(new fabric.Point(E.x-b.y*m,E.y+b.y*g)),k=i(S),L=i(new fabric.Point(w.x-b.y/2*m,w.y+b.y/2*g)),A=i(x),O=i(new fabric.Point(E.x-b.y/2*m,E.y+b.y/2*g)),M=i(new fabric.Point(S.x+b.x/2*g,S.y+b.x/2*m)),_=i(new fabric.Point(x.x,x.y)),D=Math.cos(p+n)*this.padding*Math.sqrt(2),P=Math.sin(p+n)*this.padding*Math.sqrt(2);return T=T.add(new fabric.Point(-D,-P)),N=N.add(new fabric.Point(P,-D)),C=C.add(new fabric.Point(D,P)),k=k.add(new fabric.Point(-P,D)),L=L.add(new fabric.Point((-D-P)/2,(-P+D)/2)),A=A.add(new fabric.Point((P-D)/2,-(P+D)/2)),O=O.add(new fabric.Point((P+D)/2,(P-D)/2)),M=M.add(new fabric.Point((D-P)/2,(D+P)/2)),_=_.add(new fabric.Point((P-D)/2,-(P+D)/2)),this.oCoords={tl:T,tr:N,br:C,bl:k,ml:L,mt:A,mr:O,mb:M,mtr:_},this._setCornerCoords&&this._setCornerCoords(),this}})}(),fabric.util.object.extend(fabric.Object.prototype,{sendToBack:function(){return this.group?fabric.StaticCanvas.prototype.sendToBack.call(this.group,this):this.canvas.sendToBack(this),this},bringToFront:function(){return this.group?fabric.StaticCanvas.prototype.bringToFront.call(this.group,this):this.canvas.bringToFront(this),this},sendBackwards:function(e){return this.group?fabric.StaticCanvas.prototype.sendBackwards.call(this.group,this,e):this.canvas.sendBackwards(this,e),this},bringForward:function(e){return this.group?fabric.StaticCanvas.prototype.bringForward.call(this.group,this,e):this.canvas.bringForward(this,e),this},moveTo:function(e){return this.group?fabric.StaticCanvas.prototype.moveTo.call(this.group,this,e):this.canvas.moveTo(this,e),this}}),fabric.util.object.extend(fabric.Object.prototype,{getSvgStyles:function(){var e=this.fill?this.fill.toLive?"url(#SVGID_"+this.fill.id+")":this.fill:"none",t=this.fillRule==="destination-over"?"evenodd":this.fillRule,n=this.stroke?this.stroke.toLive?"url(#SVGID_"+this.stroke.id+")":this.stroke:"none",r=this.strokeWidth?this.strokeWidth:"0",i=this.strokeDashArray?this.strokeDashArray.join(" "):"",s=this.strokeLineCap?this.strokeLineCap:"butt",o=this.strokeLineJoin?this.strokeLineJoin:"miter",u=this.strokeMiterLimit?this.strokeMiterLimit:"4",a=typeof this.opacity!="undefined"?this.opacity:"1",f=this.visible?"":" visibility: hidden;",l=this.shadow&&this.type!=="text"?"filter: url(#SVGID_"+this.shadow.id+");":"";return["stroke: ",n,"; ","stroke-width: ",r,"; ","stroke-dasharray: ",i,"; ","stroke-linecap: ",s,"; ","stroke-linejoin: ",o,"; ","stroke-miterlimit: ",u,"; ","fill: ",e,"; ","fill-rule: ",t,"; ","opacity: ",a,";",l,f].join("")},getSvgTransform:function(){if(this.group)return"";var e=fabric.util.toFixed,t=this.getAngle(),n=this.getViewportTransform(),r=fabric.util.transformPoint(this.getCenterPoint(),n),i=fabric.Object.NUM_FRACTION_DIGITS,s=this.type==="path-group"?"":"translate("+e(r.x,i)+" "+e(r.y,i)+")",o=t!==0?" rotate("+e(t,i)+")":"",u=this.scaleX===1&&this.scaleY===1&&n[0]===1&&n[3]===1?"":" scale("+e(this.scaleX*n[0],i)+" "+e(this.scaleY*n[3],i)+")",a=this.type==="path-group"?this.width*n[0]:0,f=this.flipX?" matrix(-1 0 0 1 "+a+" 0) ":"",l=this.type==="path-group"?this.height*n[3]:0,c=this.flipY?" matrix(1 0 0 -1 0 "+l+")":"";return[s,o,u,f,c].join("")},getSvgTransformMatrix:function(){return this.transformMatrix?" matrix("+this.transformMatrix.join(" ")+")":""},_createBaseSVGMarkup:function(){var e=[];return this.fill&&this.fill.toLive&&e.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&e.push(this.stroke.toSVG(this,!1)),this.shadow&&e.push(this.shadow.toSVG(this)),e}}),fabric.util.object.extend(fabric.Object.prototype,{hasStateChanged:function(){return this.stateProperties.some(function(e){return this.get(e)!==this.originalState[e]},this)},saveState:function(e){return this.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),e&&e.stateProperties&&e.stateProperties.forEach(function(e){this.originalState[e]=this.get(e)},this),this},setupState:function(){return this.originalState={},this.saveState(),this}}),function(){var e=fabric.util.degreesToRadians,t=function(){return typeof G_vmlCanvasManager!="undefined"};fabric.util.object.extend(fabric.Object.prototype,{_controlsVisibility:null,_findTargetCorner:function(e){if(!this.hasControls||!this.active)return!1;var t=e.x,n=e.y,r,i;for(var s in this.oCoords){if(!this.isControlVisible(s))continue;if(s==="mtr"&&!this.hasRotatingPoint)continue;if(!(!this.get("lockUniScaling")||s!=="mt"&&s!=="mr"&&s!=="mb"&&s!=="ml"))continue;i=this._getImageLines(this.oCoords[s].corner),r=this._findCrossPoints({x:t,y:n},i);if(r!==0&&r%2===1)return this.__corner=s,s}return!1},_setCornerCoords:function(){var t=this.oCoords,n=e(this.angle),r=e(45-this.angle),i=Math.sqrt(2*Math.pow(this.cornerSize,2))/2,s=i*Math.cos(r),o=i*Math.sin(r),u=Math.sin(n),a=Math.cos(n);t.tl.corner={tl:{x:t.tl.x-o,y:t.tl.y-s},tr:{x:t.tl.x+s,y:t.tl.y-o},bl:{x:t.tl.x-s,y:t.tl.y+o},br:{x:t.tl.x+o,y:t.tl.y+s}},t.tr.corner={tl:{x:t.tr.x-o,y:t.tr.y-s},tr:{x:t.tr.x+s,y:t.tr.y-o},br:{x:t.tr.x+o,y:t.tr.y+s},bl:{x:t.tr.x-s,y:t.tr.y+o}},t.bl.corner={tl:{x:t.bl.x-o,y:t.bl.y-s},bl:{x:t.bl.x-s,y:t.bl.y+o},br:{x:t.bl.x+o,y:t.bl.y+s},tr:{x:t.bl.x+s,y:t.bl.y-o}},t.br.corner={tr:{x:t.br.x+s,y:t.br.y-o},bl:{x:t.br.x-s,y:t.br.y+o},br:{x:t.br.x+o,y:t.br.y+s},tl:{x:t.br.x-o,y:t.br.y-s}},t.ml.corner={tl:{x:t.ml.x-o,y:t.ml.y-s},tr:{x:t.ml.x+s,y:t.ml.y-o},bl:{x:t.ml.x-s,y:t.ml.y+o},br:{x:t.ml.x+o,y:t.ml.y+s}},t.mt.corner={tl:{x:t.mt.x-o,y:t.mt.y-s},tr:{x:t.mt.x+s,y:t.mt.y-o},bl:{x:t.mt.x-s,y:t.mt.y+o},br:{x:t.mt.x+o,y:t.mt.y+s}},t.mr.corner={tl:{x:t.mr.x-o,y:t.mr.y-s},tr:{x:t.mr.x+s,y:t.mr.y-o},bl:{x:t.mr.x-s,y:t.mr.y+o},br:{x:t.mr.x+o,y:t.mr.y+s}},t.mb.corner={tl:{x:t.mb.x-o,y:t.mb.y-s},tr:{x:t.mb.x+s,y:t.mb.y-o},bl:{x:t.mb.x-s,y:t.mb.y+o},br:{x:t.mb.x+o,y:t.mb.y+s}},t.mtr.corner={tl:{x:t.mtr.x-o+u*this.rotatingPointOffset,y:t.mtr.y-s-a*this.rotatingPointOffset},tr:{x:t.mtr.x+s+u*this.rotatingPointOffset,y:t.mtr.y-o-a*this.rotatingPointOffset},bl:{x:t.mtr.x-s+u*this.rotatingPointOffset,y:t.mtr.y+o-a*this.rotatingPointOffset},br:{x:t.mtr.x+o+u*this.rotatingPointOffset,y:t.mtr.y+s-a*this.rotatingPointOffset}}},drawBorders:function(e){if(!this.hasBorders)return this;var t=this.padding,n=t*2,r=this.getViewportTransform();e.save(),e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=this.borderColor;var i=1/this._constrainScale(this.scaleX),s=1/this._constrainScale(this.scaleY);e.lineWidth=1/this.borderScaleFactor;var o=this.getWidth(),u=this.getHeight(),a=this.strokeWidth>1?this.strokeWidth:0,f=this.strokeLineCap==="round"||this.strokeLineCap==="square",l=this.type==="line"&&this.width===1,c=this.type==="line"&&this.height===1,h=f&&c||this.type!=="line",p=f&&l||this.type!=="line";l?o=a/i:c&&(u=a/s),h&&(o+=a/i),p&&(u+=a/s);var d=fabric.util.transformPoint(new fabric.Point(o,u),r,!0),v=d.x,m=d.y;this.group&&(v*=this.group.scaleX,m*=this.group.scaleY),e.strokeRect(~~(-(v/2)-t)-.5,~~(-(m/2)-t)-.5,~~(v+n)+1,~~(m+n)+1);if(this.hasRotatingPoint&&this.isControlVisible("mtr")&&!this.get("lockRotation")&&this.hasControls){var g=(-m-t*2)/2;e.beginPath(),e.moveTo(0,g),e.lineTo(0,g-this.rotatingPointOffset),e.closePath(),e.stroke()}return e.restore(),this},drawControls:function(e){if(!this.hasControls)return this;var t=this.cornerSize,n=t/2,r=this.getViewportTransform(),i=this.strokeWidth>1?this.strokeWidth:0,s=this.width,o=this.height,u=this.strokeLineCap==="round"||this.strokeLineCap==="square",a=this.type==="line"&&this.width===1,f=this.type==="line"&&this.height===1,l=u&&f||this.type!=="line",c=u&&a||this.type!=="line";a?s=i:f&&(o=i),l&&(s+=i),c&&(o+=i),s*=this.scaleX,o*=this.scaleY;var h=fabric.util.transformPoint(new fabric.Point(s,o),r,!0),p=h.x,d=h.y,v=-(p/2),m=-(d/2),g=this.padding,y=n,b=n-t,w=this.transparentCorners?"strokeRect":"fillRect";return e.save(),e.lineWidth=1,e.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1,e.strokeStyle=e.fillStyle=this.cornerColor,this._drawControl("tl",e,w,v-y-g,m-y-g),this._drawControl("tr",e,w,v+p-y+g,m-y-g),this._drawControl("bl",e,w,v-y-g,m+d+b+g),this._drawControl("br",e,w,v+p+b+g,m+d+b+g),this.get("lockUniScaling")||(this._drawControl("mt",e,w,v+p/2-y,m-y-g),this._drawControl("mb",e,w,v+p/2-y,m+d+b+g),this._drawControl("mr",e,w,v+p+b+g,m+d/2-y),this._drawControl("ml",e,w,v-y-g,m+d/2-y)),this.hasRotatingPoint&&this._drawControl("mtr",e,w,v+p/2-y,m-this.rotatingPointOffset-this.cornerSize/2-g),e.restore(),this},_drawControl:function(e,n,r,i,s){var o=this.cornerSize;this.isControlVisible(e)&&(t()||this.transparentCorners||n.clearRect(i,s,o,o),n[r](i,s,o,o))},isControlVisible:function(e){return this._getControlsVisibility()[e]},setControlVisible:function(e,t){return this._getControlsVisibility()[e]=t,this},setControlsVisibility:function(e){e||(e={});for(var t in e)this.setControlVisible(t,e[t]);return this},_getControlsVisibility:function(){return this._controlsVisibility||(this._controlsVisibility={tl:!0,tr:!0,br:!0,bl:!0,ml:!0,mt:!0,mr:!0,mb:!0,mtr:!0}),this._controlsVisibility}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{FX_DURATION:500,fxCenterObjectH:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("left"),endValue:this.getCenter().left,duration:this.FX_DURATION,onChange:function(t){e.set("left",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxCenterObjectV:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("top"),endValue:this.getCenter().top,duration:this.FX_DURATION,onChange:function(t){e.set("top",t),s.renderAll(),i()},onComplete:function(){e.setCoords(),r()}}),this},fxRemove:function(e,t){t=t||{};var n=function(){},r=t.onComplete||n,i=t.onChange||n,s=this;return fabric.util.animate({startValue:e.get("opacity"),endValue:0,duration:this.FX_DURATION,onStart:function(){e.set("active",!1)},onChange:function(t){e.set("opacity",t),s.renderAll(),i()},onComplete:function(){s.remove(e),r()}}),this}}),fabric.util.object.extend(fabric.Object.prototype,{animate:function(){if(arguments[0]&&typeof arguments[0]=="object"){var e=[],t,n;for(t in arguments[0])e.push(t);for(var r=0,i=e.length;r<i;r++)t=e[r],n=r!==i-1,this._animate(t,arguments[0][t],arguments[1],n)}else this._animate.apply(this,arguments);return this},_animate:function(e,t,n,r){var i=this,s;t=t.toString(),n?n=fabric.util.object.clone(n):n={},~e.indexOf(".")&&(s=e.split("."));var o=s?this.get(s[0])[s[1]]:this.get(e);"from"in n||(n.from=o),~t.indexOf("=")?t=o+parseFloat(t.replace("=","")):t=parseFloat(t),fabric.util.animate({startValue:n.from,endValue:t,byValue:n.by,easing:n.easing,duration:n.duration,abort:n.abort&&function(){return n.abort.call(i)},onChange:function(t){s?i[s[0]][s[1]]=t:i.set(e,t);if(r)return;n.onChange&&n.onChange()},onComplete:function(){if(r)return;i.setCoords(),n.onComplete&&n.onComplete()}})}}),function(e){"use strict";function s(e,t){var n=e.origin,r=e.axis1,i=e.axis2,s=e.dimension,o=t.nearest,u=t.center,a=t.farthest;return function(){switch(this.get(n)){case o:return Math.min(this.get(r),this.get(i));case u:return Math.min(this.get(r),this.get(i))+.5*this.get(s);case a:return Math.max(this.get(r),this.get(i))}}}var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r={x1:1,x2:1,y1:1,y2:1},i=t.StaticCanvas.supports("setLineDash");if(t.Line){t.warn("fabric.Line is already defined");return}t.Line=t.util.createClass(t.Object,{type:"line",x1:0,y1:0,x2:0,y2:0,initialize:function(e,t){t=t||{},e||(e=[0,0,0,0]),this.callSuper("initialize",t),this.set("x1",e[0]),this.set("y1",e[1]),this.set("x2",e[2]),this.set("y2",e[3]),this._setWidthHeight(t)},_setWidthHeight:function(e){e||(e={}),this.width=Math.abs(this.x2-this.x1)||1,this.height=Math.abs(this.y2-this.y1)||1,this.left="left"in e?e.left:this._getLeftToOriginX(),this.top="top"in e?e.top:this._getTopToOriginY()},_set:function(e,t){return this[e]=t,typeof r[e]!="undefined"&&this._setWidthHeight(),this},_getLeftToOriginX:s({origin:"originX",axis1:"x1",axis2:"x2",dimension:"width"},{nearest:"left",center:"center",farthest:"right"}),_getTopToOriginY:s({origin:"originY",axis1:"y1",axis2:"y2",dimension:"height"},{nearest:"top",center:"center",farthest:"bottom"}),_render:function(e,t){e.beginPath();if(t){var n=this.getCenterPoint();e.translate(n.x,n.y)}if(!this.strokeDashArray||this.strokeDashArray&&i){var r=this.x1<=this.x2?-1:1,s=this.y1<=this.y2?-1:1;e.moveTo(this.width===1?0:r*this.width/2,this.height===1?0:s*this.height/2),e.lineTo(this.width===1?0:r*-1*this.width/2,this.height===1?0:s*-1*this.height/2)}e.lineWidth=this.strokeWidth;var o=e.strokeStyle;e.strokeStyle=this.stroke||e.fillStyle,this.stroke&&this._renderStroke(e),e.strokeStyle=o},_renderDashedStroke:function(e){var n=this.x1<=this.x2?-1:1,r=this.y1<=this.y2?-1:1,i=this.width===1?0:n*this.width/2,s=this.height===1?0:r*this.height/2;e.beginPath(),t.util.drawDashedLine(e,i,s,-i,-s,this.strokeDashArray),e.closePath()},toObject:function(e){return n(this.callSuper("toObject",e),{x1:this.get("x1"),y1:this.get("y1"),x2:this.get("x2"),y2:this.get("y2")})},toSVG:function(e){var t=this._createBaseSVGMarkup(),n="";if(!this.group){var r=-this.width/2-(this.x1>this.x2?this.x2:this.x1),i=-this.height/2-(this.y1>this.y2?this.y2:this.y1);n="translate("+r+", "+i+") "}return t.push("<line ",'x1="',this.x1,'" y1="',this.y1,'" x2="',this.x2,'" y2="',this.y2,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),n,this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Line.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),t.Line.fromElement=function(e,r){var i=t.parseAttributes(e,t.Line.ATTRIBUTE_NAMES),s=[i.x1||0,i.y1||0,i.x2||0,i.y2||0];return new t.Line(s,n(i,r))},t.Line.fromObject=function(e){var n=[e.x1,e.y1,e.x2,e.y2];return new t.Line(n,e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function i(e){return"radius"in e&&e.radius>0}var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Circle){t.warn("fabric.Circle is already defined.");return}t.Circle=t.util.createClass(t.Object,{type:"circle",radius:0,initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("radius",e.radius||0)},_set:function(e,t){return this.callSuper("_set",e,t),e==="radius"&&this.setRadius(t),this},toObject:function(e){return r(this.callSuper("toObject",e),{radius:this.get("radius")})},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=0,r=0;return this.group&&(n=this.left+this.radius,r=this.top+
|
||
this.radius),t.push("<circle ",'cx="'+n+'" cy="'+r+'" ','r="',this.radius,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},_render:function(e,t){e.beginPath(),e.arc(t?this.left+this.radius:0,t?this.top+this.radius:0,this.radius,0,n,!1),this._renderFill(e),this._renderStroke(e)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(e){this.radius=e,this.set("width",e*2).set("height",e*2)},complexity:function(){return 1}}),t.Circle.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),t.Circle.fromElement=function(e,n){n||(n={});var s=t.parseAttributes(e,t.Circle.ATTRIBUTE_NAMES);if(!i(s))throw new Error("value of `r` attribute is required and can not be negative");s.left=s.left||0,s.top=s.top||0;var o=new t.Circle(r(s,n));return o.left-=o.radius,o.top-=o.radius,o},t.Circle.fromObject=function(e){return new t.Circle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});if(t.Triangle){t.warn("fabric.Triangle is already defined");return}t.Triangle=t.util.createClass(t.Object,{type:"triangle",initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("width",e.width||100).set("height",e.height||100)},_render:function(e){var t=this.width/2,n=this.height/2;e.beginPath(),e.moveTo(-t,n),e.lineTo(0,-n),e.lineTo(t,n),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=this.width/2,r=this.height/2;e.beginPath(),t.util.drawDashedLine(e,-n,r,0,-r,this.strokeDashArray),t.util.drawDashedLine(e,0,-r,n,r,this.strokeDashArray),t.util.drawDashedLine(e,n,r,-n,r,this.strokeDashArray),e.closePath()},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this.width/2,r=this.height/2,i=[-n+" "+r,"0 "+ -r,n+" "+r].join(",");return t.push("<polygon ",'points="',i,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),'"/>'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Triangle.fromObject=function(e){return new t.Triangle(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=Math.PI*2,r=t.util.object.extend;if(t.Ellipse){t.warn("fabric.Ellipse is already defined.");return}t.Ellipse=t.util.createClass(t.Object,{type:"ellipse",rx:0,ry:0,initialize:function(e){e=e||{},this.callSuper("initialize",e),this.set("rx",e.rx||0),this.set("ry",e.ry||0),this.set("width",this.get("rx")*2),this.set("height",this.get("ry")*2)},toObject:function(e){return r(this.callSuper("toObject",e),{rx:this.get("rx"),ry:this.get("ry")})},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=0,r=0;return this.group&&(n=this.left+this.rx,r=this.top+this.ry),t.push("<ellipse ",'cx="',n,'" cy="',r,'" ','rx="',this.rx,'" ry="',this.ry,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},_render:function(e,t){e.beginPath(),e.save(),e.transform(1,0,0,this.ry/this.rx,0,0),e.arc(t?this.left+this.rx:0,t?(this.top+this.ry)*this.rx/this.ry:0,this.rx,0,n,!1),e.restore(),this._renderFill(e),this._renderStroke(e)},complexity:function(){return 1}}),t.Ellipse.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),t.Ellipse.fromElement=function(e,n){n||(n={});var i=t.parseAttributes(e,t.Ellipse.ATTRIBUTE_NAMES);i.left=i.left||0,i.top=i.top||0;var s=new t.Ellipse(r(i,n));return s.top-=s.ry,s.left-=s.rx,s},t.Ellipse.fromObject=function(e){return new t.Ellipse(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;if(t.Rect){console.warn("fabric.Rect is already defined");return}var r=t.Object.prototype.stateProperties.concat();r.push("rx","ry","x","y"),t.Rect=t.util.createClass(t.Object,{stateProperties:r,type:"rect",rx:0,ry:0,strokeDashArray:null,initialize:function(e){e=e||{},this.callSuper("initialize",e),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(e,t){if(this.width===1&&this.height===1){e.fillRect(0,0,1,1);return}var n=this.rx?Math.min(this.rx,this.width/2):0,r=this.ry?Math.min(this.ry,this.height/2):0,i=this.width,s=this.height,o=t?this.left:0,u=t?this.top:0,a=n!==0||r!==0,f=.4477152502;e.beginPath(),t||e.translate(-this.width/2,-this.height/2),e.moveTo(o+n,u),e.lineTo(o+i-n,u),a&&e.bezierCurveTo(o+i-f*n,u,o+i,u+f*r,o+i,u+r),e.lineTo(o+i,u+s-r),a&&e.bezierCurveTo(o+i,u+s-f*r,o+i-f*n,u+s,o+i-n,u+s),e.lineTo(o+n,u+s),a&&e.bezierCurveTo(o+f*n,u+s,o,u+s-f*r,o,u+s-r),e.lineTo(o,u+r),a&&e.bezierCurveTo(o,u+f*r,o+f*n,u,o+n,u),e.closePath(),this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n=-this.width/2,r=-this.height/2,i=this.width,s=this.height;e.beginPath(),t.util.drawDashedLine(e,n,r,n+i,r,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r,n+i,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n+i,r+s,n,r+s,this.strokeDashArray),t.util.drawDashedLine(e,n,r+s,n,r,this.strokeDashArray),e.closePath()},toObject:function(e){var t=n(this.callSuper("toObject",e),{rx:this.get("rx")||0,ry:this.get("ry")||0});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=this._createBaseSVGMarkup(),n=this.left,r=this.top;return this.group||(n=-this.width/2,r=-this.height/2),t.push("<rect ",'x="',n,'" y="',r,'" rx="',this.get("rx"),'" ry="',this.get("ry"),'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'"/>\n'),e?e(t.join("")):t.join("")},complexity:function(){return 1}}),t.Rect.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),t.Rect.fromElement=function(e,r){if(!e)return null;r=r||{};var i=t.parseAttributes(e,t.Rect.ATTRIBUTE_NAMES);return i.left=i.left||0,i.top=i.top||0,new t.Rect(n(r?t.util.object.clone(r):{},i))},t.Rect.fromObject=function(e){return new t.Rect(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.toFixed;if(t.Polyline){t.warn("fabric.Polyline is already defined");return}t.Polyline=t.util.createClass(t.Object,{type:"polyline",points:null,initialize:function(e,t,n){t=t||{},this.set("points",e),this.callSuper("initialize",t),this._calcDimensions(n)},_calcDimensions:function(e){return t.Polygon.prototype._calcDimensions.call(this,e)},toObject:function(e){return t.Polygon.prototype.toObject.call(this,e)},toSVG:function(e){var t=[],r=this._createBaseSVGMarkup();for(var i=0,s=this.points.length;i<s;i++)t.push(n(this.points[i].x,2),",",n(this.points[i].y,2)," ");return r.push("<polyline ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),e?e(r.join("")):r.join("")},_render:function(e){var t;e.beginPath(),e.moveTo(this.points[0].x,this.points[0].y);for(var n=0,r=this.points.length;n<r;n++)t=this.points[n],e.lineTo(t.x,t.y);this._renderFill(e),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||n,t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray)},complexity:function(){return this.get("points").length}}),t.Polyline.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polyline.fromElement=function(e,n){if(!e)return null;n||(n={});var r=t.parsePointsAttribute(e.getAttribute("points")),i=t.parseAttributes(e,t.Polyline.ATTRIBUTE_NAMES);return r===null?null:new t.Polyline(r,t.util.object.extend(i,n),!0)},t.Polyline.fromObject=function(e){var n=e.points;return new t.Polyline(n,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.toFixed;if(t.Polygon){t.warn("fabric.Polygon is already defined");return}t.Polygon=t.util.createClass(t.Object,{type:"polygon",points:null,initialize:function(e,t,n){t=t||{},this.points=e,this.callSuper("initialize",t),this._calcDimensions(n)},_calcDimensions:function(e){var t=this.points,n=r(t,"x"),s=r(t,"y"),o=i(t,"x"),u=i(t,"y");this.width=o-n||1,this.height=u-s||1,this.minX=n,this.minY=s;if(e)return;var a=this.width/2+this.minX,f=this.height/2+this.minY;this.points.forEach(function(e){e.x-=a,e.y-=f},this)},toObject:function(e){return n(this.callSuper("toObject",e),{points:this.points.concat()})},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.points.length;r<i;r++)t.push(s(this.points[r].x,2),",",s(this.points[r].y,2)," ");return n.push("<polygon ",'points="',t.join(""),'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform()," ",this.getSvgTransformMatrix(),'"/>\n'),e?e(n.join("")):n.join("")},_render:function(e){var t;e.beginPath(),e.moveTo(this.points[0].x,this.points[0].y);for(var n=0,r=this.points.length;n<r;n++)t=this.points[n],e.lineTo(t.x,t.y);this._renderFill(e);if(this.stroke||this.strokeDashArray)e.closePath(),this._renderStroke(e)},_renderDashedStroke:function(e){var n,r;e.beginPath();for(var i=0,s=this.points.length;i<s;i++)n=this.points[i],r=this.points[i+1]||this.points[0],t.util.drawDashedLine(e,n.x,n.y,r.x,r.y,this.strokeDashArray);e.closePath()},complexity:function(){return this.points.length}}),t.Polygon.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(),t.Polygon.fromElement=function(e,r){if(!e)return null;r||(r={});var i=t.parsePointsAttribute(e.getAttribute("points")),s=t.parseAttributes(e,t.Polygon.ATTRIBUTE_NAMES);return i===null?null:new t.Polygon(i,n(s,r),!0)},t.Polygon.fromObject=function(e){return new t.Polygon(e.points,e,!0)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";function f(e){return e[0]==="H"?e[1]:e[e.length-2]}function l(e){return e[0]==="V"?e[1]:e[e.length-1]}var t=e.fabric||(e.fabric={}),n=t.util.array.min,r=t.util.array.max,i=t.util.object.extend,s=Object.prototype.toString,o=t.util.drawArc,u={m:2,l:2,h:1,v:1,c:6,s:4,q:4,t:2,a:7},a={m:"l",M:"L"};if(t.Path){t.warn("fabric.Path is already defined");return}t.Path=t.util.createClass(t.Object,{type:"path",path:null,initialize:function(e,t){t=t||{},this.setOptions(t);if(!e)throw new Error("`path` argument is required");var n=s.call(e)==="[object Array]";this.path=n?e:e.match&&e.match(/[mzlhvcsqta][^mzlhvcsqta]*/gi);if(!this.path)return;n||(this.path=this._parsePath()),this._initializePath(t),t.sourcePath&&this.setSourcePath(t.sourcePath)},_initializePath:function(e){var t="width"in e&&e.width!=null,n="height"in e&&e.width!=null,r="left"in e,s="top"in e,o=r?this.left:0,u=s?this.top:0;!t||!n?(i(this,this._parseDimensions()),t&&(this.width=e.width),n&&(this.height=e.height)):(s||(this.top=this.height/2),r||(this.left=this.width/2)),this.pathOffset=this.pathOffset||this._calculatePathOffset(o,u)},_calculatePathOffset:function(e,t){return{x:this.left-e-this.width/2,y:this.top-t-this.height/2}},_render:function(e,t){var n,r=null,i=0,s=0,u=0,a=0,f=0,l=0,c,h,p,d,v=-(this.width/2+this.pathOffset.x),m=-(this.height/2+this.pathOffset.y);t&&(v+=this.width/2,m+=this.height/2);for(var g=0,y=this.path.length;g<y;++g){n=this.path[g];switch(n[0]){case"l":u+=n[1],a+=n[2],e.lineTo(u+v,a+m);break;case"L":u=n[1],a=n[2],e.lineTo(u+v,a+m);break;case"h":u+=n[1],e.lineTo(u+v,a+m);break;case"H":u=n[1],e.lineTo(u+v,a+m);break;case"v":a+=n[1],e.lineTo(u+v,a+m);break;case"V":a=n[1],e.lineTo(u+v,a+m);break;case"m":u+=n[1],a+=n[2],i=u,s=a,e.moveTo(u+v,a+m);break;case"M":u=n[1],a=n[2],i=u,s=a,e.moveTo(u+v,a+m);break;case"c":c=u+n[5],h=a+n[6],f=u+n[3],l=a+n[4],e.bezierCurveTo(u+n[1]+v,a+n[2]+m,f+v,l+m,c+v,h+m),u=c,a=h;break;case"C":u=n[5],a=n[6],f=n[3],l=n[4],e.bezierCurveTo(n[1]+v,n[2]+m,f+v,l+m,u+v,a+m);break;case"s":c=u+n[3],h=a+n[4],f=f?2*u-f:u,l=l?2*a-l:a,e.bezierCurveTo(f+v,l+m,u+n[1]+v,a+n[2]+m,c+v,h+m),f=u+n[1],l=a+n[2],u=c,a=h;break;case"S":c=n[3],h=n[4],f=2*u-f,l=2*a-l,e.bezierCurveTo(f+v,l+m,n[1]+v,n[2]+m,c+v,h+m),u=c,a=h,f=n[1],l=n[2];break;case"q":c=u+n[3],h=a+n[4],f=u+n[1],l=a+n[2],e.quadraticCurveTo(f+v,l+m,c+v,h+m),u=c,a=h;break;case"Q":c=n[3],h=n[4],e.quadraticCurveTo(n[1]+v,n[2]+m,c+v,h+m),u=c,a=h,f=n[1],l=n[2];break;case"t":c=u+n[1],h=a+n[2],r[0].match(/[QqTt]/)===null?(f=u,l=a):r[0]==="t"?(f=2*u-p,l=2*a-d):r[0]==="q"&&(f=2*u-f,l=2*a-l),p=f,d=l,e.quadraticCurveTo(f+v,l+m,c+v,h+m),u=c,a=h,f=u+n[1],l=a+n[2];break;case"T":c=n[1],h=n[2],f=2*u-f,l=2*a-l,e.quadraticCurveTo(f+v,l+m,c+v,h+m),u=c,a=h;break;case"a":o(e,u+v,a+m,[n[1],n[2],n[3],n[4],n[5],n[6]+u+v,n[7]+a+m]),u+=n[6],a+=n[7];break;case"A":o(e,u+v,a+m,[n[1],n[2],n[3],n[4],n[5],n[6]+v,n[7]+m]),u=n[6],a=n[7];break;case"z":case"Z":u=i,a=s,e.closePath()}r=n}},render:function(e,n){if(!this.visible)return;e.save(),n&&e.translate(-this.width/2,-this.height/2);var r=this.transformMatrix;r&&e.transform(r[0],r[1],r[2],r[3],r[4],r[5]),n||this.transform(e),this._setStrokeStyles(e),this._setFillStyles(e),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e),e.beginPath(),e.globalAlpha=this.group?e.globalAlpha*this.opacity:this.opacity,this._render(e,n),this._renderFill(e),this._renderStroke(e),this.clipTo&&e.restore(),this._removeShadow(e),e.restore()},toString:function(){return"#<fabric.Path ("+this.complexity()+'): { "top": '+this.top+', "left": '+this.left+" }>"},toObject:function(e){var t=i(this.callSuper("toObject",e),{path:this.path.map(function(e){return e.slice()}),pathOffset:this.pathOffset});return this.sourcePath&&(t.sourcePath=this.sourcePath),this.transformMatrix&&(t.transformMatrix=this.transformMatrix),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.path=this.sourcePath),delete t.sourcePath,t},toSVG:function(e){var t=[],n=this._createBaseSVGMarkup();for(var r=0,i=this.path.length;r<i;r++)t.push(this.path[r].join(" "));var s=t.join(" ");return n.push("<path ",'d="',s,'" style="',this.getSvgStyles(),'" transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'" stroke-linecap="round" ',"/>\n"),e?e(n.join("")):n.join("")},complexity:function(){return this.path.length},_parsePath:function(){var e=[],t=[],n,r,i=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/ig,s,o;for(var f=0,l,c=this.path.length;f<c;f++){n=this.path[f],o=n.slice(1).trim(),t.length=0;while(s=i.exec(o))t.push(s[0]);l=[n.charAt(0)];for(var h=0,p=t.length;h<p;h++)r=parseFloat(t[h]),isNaN(r)||l.push(r);var d=l[0],v=u[d.toLowerCase()],m=a[d]||d;if(l.length-1>v)for(var g=1,y=l.length;g<y;g+=v)e.push([d].concat(l.slice(g,g+v))),d=m;else e.push(l)}return e},_parseDimensions:function(){var e=[],t=[],i={};this.path.forEach(function(n,r){this._getCoordsFromCommand(n,r,e,t,i)},this);var s=n(e),o=n(t),u=r(e),a=r(t),f=u-s,l=a-o,c={left:this.left+(s+f/2),top:this.top+(o+l/2),width:f,height:l};return c},_getCoordsFromCommand:function(e,t,n,r,i){var s=!1;e[0]!=="H"&&(i.x=t===0?f(e):f(this.path[t-1])),e[0]!=="V"&&(i.y=t===0?l(e):l(this.path[t-1])),e[0]===e[0].toLowerCase()&&(s=!0);var o=this._getXY(e,s,i),u;u=parseInt(o.x,10),isNaN(u)||n.push(u),u=parseInt(o.y,10),isNaN(u)||r.push(u)},_getXY:function(e,t,n){var r=t?n.x+f(e):e[0]==="V"?n.x:f(e),i=t?n.y+l(e):e[0]==="H"?n.y:l(e);return{x:r,y:i}}}),t.Path.fromObject=function(e,n){typeof e.path=="string"?t.loadSVGFromURL(e.path,function(r){var i=r[0],s=e.path;delete e.path,t.util.object.extend(i,e),i.setSourcePath(s),n(i)}):n(new t.Path(e.path,e))},t.Path.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat(["d"]),t.Path.fromElement=function(e,n,r){var s=t.parseAttributes(e,t.Path.ATTRIBUTE_NAMES);n&&n(new t.Path(s.d,i(s,r)))},t.Path.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.invoke,i=t.Object.prototype.toObject;if(t.PathGroup){t.warn("fabric.PathGroup is already defined");return}t.PathGroup=t.util.createClass(t.Path,{type:"path-group",fill:"",initialize:function(e,t){t=t||{},this.paths=e||[];for(var n=this.paths.length;n--;)this.paths[n].group=this;this.setOptions(t),t.widthAttr&&(this.scaleX=t.widthAttr/t.width),t.heightAttr&&(this.scaleY=t.heightAttr/t.height),this.setCoords(),t.sourcePath&&this.setSourcePath(t.sourcePath)},render:function(e){if(!this.visible)return;e.save();var n=this.transformMatrix;n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),this.transform(e),this._setShadow(e),this.clipTo&&t.util.clipContext(this,e);for(var r=0,i=this.paths.length;r<i;++r)this.paths[r].render(e,!0);this.clipTo&&e.restore(),this._removeShadow(e),e.restore()},_set:function(e,t){if(e==="fill"&&t&&this.isSameColor()){var n=this.paths.length;while(n--)this.paths[n]._set(e,t)}return this.callSuper("_set",e,t)},toObject:function(e){var t=n(i.call(this,e),{paths:r(this.getObjects(),"toObject",e)});return this.sourcePath&&(t.sourcePath=this.sourcePath),t},toDatalessObject:function(e){var t=this.toObject(e);return this.sourcePath&&(t.paths=this.sourcePath),t},toSVG:function(e){var t=this.getObjects(),n="translate("+this.left+" "+this.top+")",r=["<g ",'style="',this.getSvgStyles(),'" ','transform="',n,this.getSvgTransform(),'" ',">\n"];for(var i=0,s=t.length;i<s;i++)r.push(t[i].toSVG(e));return r.push("</g>\n"),e?e(r.join("")):r.join("")},toString:function(){return"#<fabric.PathGroup ("+this.complexity()+"): { top: "+this.top+", left: "+this.left+" }>"},isSameColor:function(){var e=(this.getObjects()[0].get("fill")||"").toLowerCase();return this.getObjects().every(function(t){return(t.get("fill")||"").toLowerCase()===e})},complexity:function(){return this.paths.reduce(function(e,t){return e+(t&&t.complexity?t.complexity():0)},0)},getObjects:function(){return this.paths}}),t.PathGroup.fromObject=function(e,n){typeof e.paths=="string"?t.loadSVGFromURL(e.paths,function(r){var i=e.paths;delete e.paths;var s=t.util.groupSVGElements(r,e,i);n(s)}):t.util.enlivenObjects(e.paths,function(r){delete e.paths,n(new t.PathGroup(r,e))})},t.PathGroup.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.array.min,i=t.util.array.max,s=t.util.array.invoke;if(t.Group)return;var o={lockMovementX:!0,lockMovementY:!0,lockRotation:!0,lockScalingX:!0,lockScalingY:!0,lockUniScaling:!0};t.Group=t.util.createClass(t.Object,t.Collection,{type:"group",initialize:function(e,t){t=t||{},this._objects=e||[];for(var r=this._objects.length;r--;)this._objects[r].group=this;this.originalState={},this.callSuper("initialize"),this._calcBounds(),this._updateObjectsCoords(),t&&n(this,t),this._setOpacityIfSame(),this.setCoords(),this.saveCoords()},_updateObjectsCoords:function(){this.forEachObject(this._updateObjectCoords,this)},_updateObjectCoords:function(e){var t=e.getLeft(),n=e.getTop();e.set({originalLeft:t,originalTop:n,left:t-this.left,top:n-this.top}),e.setCoords(),e.__origHasControls=e.hasControls,e.hasControls=!1},toString:function(){return"#<fabric.Group: ("+this.complexity()+")>"},addWithUpdate:function(e){return this._restoreObjectsState(),e&&(this._objects.push(e),e.group=this),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this},_setObjectActive:function(e){e.set("active",!0),e.group=this},removeWithUpdate:function(e){return this._moveFlippedObject(e),this._restoreObjectsState(),this.forEachObject(this._setObjectActive,this),this.remove(e),this._calcBounds(),this._updateObjectsCoords(),this},_onObjectAdded:function(e){e.group=this},_onObjectRemoved:function(e){delete e.group,e.set("active",!1)},delegatedProperties:{fill:!0,opacity:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(e,t){if(e in this.delegatedProperties){var n=this._objects.length;this[e]=t;while(n--)this._objects[n].set(e,t)}else this[e]=t},toObject:function(e){return n(this.callSuper("toObject",e),{objects:s(this._objects,"toObject",e)})},render:function(e){if(!this.visible)return;e.save(),this.clipTo&&t.util.clipContext(this,e);for(var n=0,r=this._objects.length;n<r;n++)this._renderObject(this._objects[n],e);this.clipTo&&e.restore(),e.restore()},_renderControls:function(e,t){this.callSuper("_renderControls",e,t);for(var n=0,r=this._objects.length;n<r;n++)this._objects[n]._renderControls(e)},_renderObject:function(e,t){var n=e.hasRotatingPoint;if(!e.visible)return;e.hasRotatingPoint=!1,e.render(t),e.hasRotatingPoint=n},_restoreObjectsState:function(){return this._objects.forEach(this._restoreObjectState,this),this},_moveFlippedObject:function(e){var t=e.get("originX"),n=e.get("originY"),r=e.getCenterPoint();e.set({originX:"center",originY:"center",left:r.x,top:r.y}),this._toggleFlipping(e);var i=e.getPointByOrigin(t,n);return e.set({originX:t,originY:n,left:i.x,top:i.y}),this},_toggleFlipping:function(e){this.flipX&&(e.toggle("flipX"),e.set("left",-e.get("left")),e.setAngle(-e.getAngle())),this.flipY&&(e.toggle("flipY"),e.set("top",-e.get("top")),e.setAngle(-e.getAngle()))},_restoreObjectState:function(e){return this._setObjectPosition(e),e.setCoords(),e.hasControls=e.__origHasControls,delete e.__origHasControls,e.set("active",!1),e.setCoords(),delete e.group,this},_setObjectPosition:function(e){var t=this.getLeft(),n=this.getTop(),r=this._getRotatedLeftTop(e);e.set({angle:e.getAngle()+this.getAngle(),left:t+r.left,top:n+r.top,scaleX:e.get("scaleX")*this.get("scaleX"),scaleY:e.get("scaleY")*this.get("scaleY")})},_getRotatedLeftTop:function(e){var t=this.getAngle()*(Math.PI/180);return{left:-Math.sin(t)*e.getTop()*this.get("scaleY")+Math.cos(t)*e.getLeft()*this.get("scaleX"),top:Math.cos(t)*e.getTop()*this.get("scaleY")+Math.sin(t)*e.getLeft()*this.get("scaleX")}},destroy:function(){return this._objects.forEach(this._moveFlippedObject,this),this._restoreObjectsState()},saveCoords:function(){return this._originalLeft=this.get("left"),this._originalTop=this.get("top"),this},hasMoved:function(){return this._originalLeft!==this.get("left")||this._originalTop!==this.get("top")},setObjectsCoords:function(){return this.forEachObject(function(e){e.setCoords()}),this},_setOpacityIfSame:function(){var e=this.getObjects(),t=e[0]?e[0].get("opacity"):1,n=e.every(function(e){return e.get("opacity")===t});n&&(this.opacity=t)},_calcBounds:function(e){var t=[],n=[],r;for(var i=0,s=this._objects.length;i<s;++i){r=this._objects[i],r.setCoords();for(var o in r.oCoords)t.push(r.oCoords[o].x),n.push(r.oCoords[o].y)}this.set(this._getBounds(t,n,e))},_getBounds:function(e,n,s){var o=t.util.invertTransform(this.getViewportTransform()),u=t.util.transformPoint(new t.Point(r(e),r(n)),o),a=t.util.transformPoint(new t.Point(i(e),i(n)),o),f={width:a.x-u.x||0,height:a.y-u.y||0};return s||(f.left=(u.x+a.x)/2||0,f.top=(u.y+a.y)/2||0),f},toSVG:function(e){var t=["<g ",'transform="',this.getSvgTransform(),'">\n'];for(var n=0,r=this._objects.length;n<r;n++)t.push(this._objects[n].toSVG(e));return t.push("</g>\n"),e?e(t.join("")):t.join("")},get:function(e){if(e in o){if(this[e])return this[e];for(var t=0,n=this._objects.length;t<n;t++)if(this._objects[t][e])return!0;return!1}return e in this.delegatedProperties?this._objects[0]&&this._objects[0].get(e):this[e]}}),t.Group.fromObject=function(e,n){t.util.enlivenObjects(e.objects,function(r){delete e.objects,n&&n(new t.Group(r,e))})},t.Group.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=fabric.util.object.extend;e.fabric||(e.fabric={});if(e.fabric.Image){fabric.warn("fabric.Image is already defined.");return}fabric.Image=fabric.util.createClass(fabric.Object,{type:"image",crossOrigin:"",initialize:function(e,t){t||(t={}),this.filters=[],this.callSuper("initialize",t),this._initElement(e,t),this._initConfig(t),t.filters&&(this.filters=t.filters,this.applyFilters())},getElement:function(){return this._element},setElement:function(e,t){return this._element=e,this._originalElement=e,this._initConfig(),this.filters.length!==0&&this.applyFilters(t),this},setCrossOrigin:function(e){return this.crossOrigin=e,this._element.crossOrigin=e,this},getOriginalSize:function(){var e=this.getElement();return{width:e.width,height:e.height}},_stroke:function(e){e.save(),this._setStrokeStyles(e),e.beginPath(),e.strokeRect(-this.width/2,-this.height/2,this.width,this.height),e.closePath(),e.restore()},_renderDashedStroke:function(e){var t=-this.width/2,n=-this.height/2,r=this.width,i=this.height;e.save(),this._setStrokeStyles(e),e.beginPath(),fabric.util.drawDashedLine(e,t,n,t+r,n,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n,t+r,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t+r,n+i,t,n+i,this.strokeDashArray),fabric.util.drawDashedLine(e,t,n+i,t,n,this.strokeDashArray),e.closePath(),e.restore()},toObject:function(e){return t(this.callSuper("toObject",e),{src:this._originalElement.src||this._originalElement._src,filters:this.filters.map(function(e){return e&&e.toObject()}),crossOrigin:this.crossOrigin})},toSVG:function(e){var t=[],n=-this.width/2,r=-this.height/2;this.group&&(n=this.left,r=this.top),t.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n','<image xlink:href="',this.getSvgSrc(),'" x="',n,'" y="',r,'" style="',this.getSvgStyles(),'" width="',this.width,'" height="',this.height,'" preserveAspectRatio="none"',"></image>\n");if(this.stroke||this.strokeDashArray){var i=this.fill;this.fill=null,t.push("<rect ",'x="',n,'" y="',r,'" width="',this.width,'" height="',this.height,'" style="',this.getSvgStyles(),'"/>\n'),this.fill=i}return t.push("</g>\n"),e?e(t.join("")):t.join("")},getSrc:function(){if(this.getElement())return this.getElement().src||this.getElement()._src},toString:function(){return'#<fabric.Image: { src: "'+this.getSrc()+'" }>'},clone:function(e,t){this.constructor.fromObject(this.toObject(t),e)},applyFilters:function(e){if(!this._originalElement)return;if(this.filters.length===0){this._element=this._originalElement,e&&e();return}var t=this._originalElement,n=fabric.util.createCanvasElement(),r=fabric.util.createImage(),i=this;return n.width=t.width,n.height=t.height,n.getContext("2d").drawImage(t,0,0,t.width,t.height),this.filters.forEach(function(e){e&&e.applyTo(n)}),r.width=t.width,r.height=t.height,fabric.isLikelyNode?(r.src=n.toBuffer(undefined,fabric.Image.pngCompression),i._element=r,e&&e()):(r.onload=function(){i._element=r,e&&e(),r.onload=n=t=null},r.src=n.toDataURL("image/png")),this},_render:function(e,t){this._element&&e.drawImage(this._element,t?this.left:-this.width/2,t?this.top:-this.height/2,this.width,this.height),this._renderStroke(e)},_resetWidthHeight:function(){var e=this.getElement();this.set("width",e.width),this.set("height",e.height)},_initElement:function(e){this.setElement(fabric.util.getById(e)),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(e){e||(e={}),this.setOptions(e),this._setWidthHeight(e),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(e,t){e.filters&&e.filters.length?fabric.util.enlivenObjects(e.filters,function(e){t&&t(e)},"fabric.Image.filters"):t&&t()},_setWidthHeight:function(e){this.width="width"in e?e.width:this.getElement()?this.getElement().width||0:0,this.height="height"in e?e.height:this.getElement()?this.getElement().height||0:0},complexity:function(){return 1}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){fabric.Image.prototype._initFilters.call(e,e,function(r){e.filters=r||[];var i=new fabric.Image(n,e);t&&t(i)})},null,e.crossOrigin)},fabric.Image.fromURL=function(e,t,n){fabric.util.loadImage(e,function(e){t(new fabric.Image(e,n))},null,n&&n.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height xlink:href".split(" ")),fabric.Image.fromElement=function(e,n,r){var i=fabric.parseAttributes(e,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(i["xlink:href"],n,t(r?fabric.util.object.clone(r):{},i))},fabric.Image.async=!0,fabric.Image.pngCompression=1}(typeof exports!="undefined"?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var e=this.getAngle()%360;return e>0?Math.round((e-1)/90)*90:Math.round(e/90)*90},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(e){e=e||{};var t=function(){},n=e.onComplete||t,r=e.onChange||t,i=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(e){i.setAngle(e),r()},onComplete:function(){i.setCoords(),n()},onStart:function(){i.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(e){return e.straighten(),this.renderAll(),this},fxStraightenObject:function(e){return e.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",toObject:function(){return{type:this.type}},toJSON:function(){return this.toObject()}}),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Brightness=t.util.createClass(t.Image.filters.BaseFilter,{type:"Brightness",initialize:function(e){e=e||{},this.brightness=e.brightness||0},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.brightness;for(var s=0,o=r.length;s<o;s+=4)r[s]+=i,r[s+1]+=i,r[s+2]+=i;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{brightness:this.brightness})}}),t.Image.filters.Brightness.fromObject=function(e){return new t.Image.filters.Brightness(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Convolute=t.util.createClass(t.Image.filters.BaseFilter,{type:"Convolute",initialize:function(e){e=e||{},this.opaque=e.opaque,this.matrix=e.matrix||[0,0,0,0,1,0,0,0,0];var n=t.util.createCanvasElement();this.tmpCtx=n.getContext("2d")},_createImageData:function(e,t){return this.tmpCtx.createImageData(e,t)},applyTo:function(e){var t=this.matrix,n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=Math.round(Math.sqrt(t.length)),s=Math.floor(i/2),o=r.data,u=r.width,a=r.height,f=u,l=a,c=this._createImageData(f,l),h=c.data,p=this.opaque?1:0;for(var d=0;d<l;d++)for(var v=0;v<f;v++){var m=d,g=v,y=(d*f+v)*4,b=0,w=0,E=0,S=0;for(var x=0;x<i;x++)for(var T=0;T<i;T++){var N=m+x-s,C=g+T-s;if(N<0||N>a||C<0||C>u)continue;var k=(N*u+C)*4,L=t[x*i+T];b+=o[k]*L,w+=o[k+1]*L,E+=o[k+2]*L,S+=o[k+3]*L}h[y]=b,h[y+1]=w,h[y+2]=E,h[y+3]=S+p*(255-S)}n.putImageData(c,0,0)},toObject:function(){return n(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),t.Image.filters.Convolute.fromObject=function(e){return new t.Image.filters.Convolute(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.GradientTransparency=t.util.createClass(t.Image.filters.BaseFilter,{type:"GradientTransparency",initialize:function(e){e=e||{},this.threshold=e.threshold||100},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=r.length;for(var o=0,u=r.length;o<u;o+=4)r[o+3]=i+255*(s-o)/s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold})}}),t.Image.filters.GradientTransparency.fromObject=function(e){return new t.Image.filters.GradientTransparency(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Grayscale=t.util.createClass(t.Image.filters.BaseFilter,{type:"Grayscale",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.width*n.height*4,s=0,o;while(s<i)o=(r[s]+r[s+1]+r[s+2])/3,r[s]=o,r[s+1]=o,r[s+2]=o,s+=4;t.putImageData(n,0,0)}}),t.Image.filters.Grayscale.fromObject=function(){return new t.Image.filters.Grayscale}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Invert=t.util.createClass(t.Image.filters.BaseFilter,{type:"Invert",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s;for(s=0;s<i;s+=4)r[s]=255-r[s],r[s+1]=255-r[s+1],r[s+2]=255-r[s+2];t.putImageData(n,0,0)}}),t.Image.filters.Invert.fromObject=function(){return new t.Image.filters.Invert}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=
|
||
e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Mask=t.util.createClass(t.Image.filters.BaseFilter,{type:"Mask",initialize:function(e){e=e||{},this.mask=e.mask,this.channel=[0,1,2,3].indexOf(e.channel)>-1?e.channel:0},applyTo:function(e){if(!this.mask)return;var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=this.mask.getElement(),o=t.util.createCanvasElement(),u=this.channel,a,f=r.width*r.height*4;o.width=s.width,o.height=s.height,o.getContext("2d").drawImage(s,0,0,s.width,s.height);var l=o.getContext("2d").getImageData(0,0,s.width,s.height),c=l.data;for(a=0;a<f;a+=4)i[a+3]=c[a+u];n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{mask:this.mask.toObject(),channel:this.channel})}}),t.Image.filters.Mask.fromObject=function(e,n){t.util.loadImage(e.mask.src,function(r){e.mask=new t.Image(r,e.mask),n&&n(new t.Image.filters.Mask(e))})},t.Image.filters.Mask.async=!0}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Noise=t.util.createClass(t.Image.filters.BaseFilter,{type:"Noise",initialize:function(e){e=e||{},this.noise=e.noise||0},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.noise,s;for(var o=0,u=r.length;o<u;o+=4)s=(.5-Math.random())*i,r[o]+=s,r[o+1]+=s,r[o+2]+=s;t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{noise:this.noise})}}),t.Image.filters.Noise.fromObject=function(e){return new t.Image.filters.Noise(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Pixelate=t.util.createClass(t.Image.filters.BaseFilter,{type:"Pixelate",initialize:function(e){e=e||{},this.blocksize=e.blocksize||4},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=n.height,s=n.width,o,u,a,f,l,c,h;for(u=0;u<i;u+=this.blocksize)for(a=0;a<s;a+=this.blocksize){o=u*4*s+a*4,f=r[o],l=r[o+1],c=r[o+2],h=r[o+3];for(var p=u,d=u+this.blocksize;p<d;p++)for(var v=a,m=a+this.blocksize;v<m;v++)o=p*4*s+v*4,r[o]=f,r[o+1]=l,r[o+2]=c,r[o+3]=h}t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{blocksize:this.blocksize})}}),t.Image.filters.Pixelate.fromObject=function(e){return new t.Image.filters.Pixelate(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.RemoveWhite=t.util.createClass(t.Image.filters.BaseFilter,{type:"RemoveWhite",initialize:function(e){e=e||{},this.threshold=e.threshold||30,this.distance=e.distance||20},applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=this.threshold,s=this.distance,o=255-i,u=Math.abs,a,f,l;for(var c=0,h=r.length;c<h;c+=4)a=r[c],f=r[c+1],l=r[c+2],a>o&&f>o&&l>o&&u(a-f)<s&&u(a-l)<s&&u(f-l)<s&&(r[c+3]=1);t.putImageData(n,0,0)},toObject:function(){return n(this.callSuper("toObject"),{threshold:this.threshold,distance:this.distance})}}),t.Image.filters.RemoveWhite.fromObject=function(e){return new t.Image.filters.RemoveWhite(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o;for(s=0;s<i;s+=4)o=.3*r[s]+.59*r[s+1]+.11*r[s+2],r[s]=o+100,r[s+1]=o+50,r[s+2]=o+255;t.putImageData(n,0,0)}}),t.Image.filters.Sepia.fromObject=function(){return new t.Image.filters.Sepia}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={});t.Image.filters.Sepia2=t.util.createClass(t.Image.filters.BaseFilter,{type:"Sepia2",applyTo:function(e){var t=e.getContext("2d"),n=t.getImageData(0,0,e.width,e.height),r=n.data,i=r.length,s,o,u,a;for(s=0;s<i;s+=4)o=r[s],u=r[s+1],a=r[s+2],r[s]=(o*.393+u*.769+a*.189)/1.351,r[s+1]=(o*.349+u*.686+a*.168)/1.203,r[s+2]=(o*.272+u*.534+a*.131)/2.14;t.putImageData(n,0,0)}}),t.Image.filters.Sepia2.fromObject=function(){return new t.Image.filters.Sepia2}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Tint=t.util.createClass(t.Image.filters.BaseFilter,{type:"Tint",initialize:function(e){e=e||{},this.color=e.color||"#000000",this.opacity=typeof e.opacity!="undefined"?e.opacity:(new t.Color(this.color)).getAlpha()},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=i.length,o,u,a,f,l,c,h,p,d;d=(new t.Color(this.color)).getSource(),u=d[0]*this.opacity,a=d[1]*this.opacity,f=d[2]*this.opacity,p=1-this.opacity;for(o=0;o<s;o+=4)l=i[o],c=i[o+1],h=i[o+2],i[o]=u+l*p,i[o+1]=a+c*p,i[o+2]=f+h*p;n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{color:this.color,opacity:this.opacity})}}),t.Image.filters.Tint.fromObject=function(e){return new t.Image.filters.Tint(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend;t.Image.filters.Multiply=t.util.createClass(t.Image.filters.BaseFilter,{type:"Multiply",initialize:function(e){e=e||{},this.color=e.color||"#000000"},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s=i.length,o,u;u=(new t.Color(this.color)).getSource();for(o=0;o<s;o+=4)i[o]*=u[0]/255,i[o+1]*=u[1]/255,i[o+2]*=u[2]/255;n.putImageData(r,0,0)},toObject:function(){return n(this.callSuper("toObject"),{color:this.color})}}),t.Image.filters.Multiply.fromObject=function(e){return new t.Image.filters.Multiply(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric;t.Image.filters.Blend=t.util.createClass({type:"Blend",initialize:function(e){e=e||{},this.color=e.color||"#000",this.image=e.image||!1,this.mode=e.mode||"multiply",this.alpha=e.alpha||1},applyTo:function(e){var n=e.getContext("2d"),r=n.getImageData(0,0,e.width,e.height),i=r.data,s,o,u,a,f,l,c,h=!1;if(this.image){h=!0;var p=t.util.createCanvasElement();p.width=this.image.width,p.height=this.image.height;var d=new t.StaticCanvas(p);d.add(this.image);var v=d.getContext("2d");c=v.getImageData(0,0,d.width,d.height).data}else c=(new t.Color(this.color)).getSource(),s=c[0]*this.alpha,o=c[1]*this.alpha,u=c[2]*this.alpha;for(var m=0,g=i.length;m<g;m+=4){a=i[m],f=i[m+1],l=i[m+2],h&&(s=c[m]*this.alpha,o=c[m+1]*this.alpha,u=c[m+2]*this.alpha);switch(this.mode){case"multiply":i[m]=a*s/255,i[m+1]=f*o/255,i[m+2]=l*u/255;break;case"screen":i[m]=1-(1-a)*(1-s),i[m+1]=1-(1-f)*(1-o),i[m+2]=1-(1-l)*(1-u);break;case"add":i[m]=Math.min(255,a+s),i[m+1]=Math.min(255,f+o),i[m+2]=Math.min(255,l+u);break;case"diff":case"difference":i[m]=Math.abs(a-s),i[m+1]=Math.abs(f-o),i[m+2]=Math.abs(l-u);break;case"subtract":var y=a-s,b=f-o,w=l-u;i[m]=y<0?0:y,i[m+1]=b<0?0:b,i[m+2]=w<0?0:w;break;case"darken":i[m]=Math.min(a,s),i[m+1]=Math.min(f,o),i[m+2]=Math.min(l,u);break;case"lighten":i[m]=Math.max(a,s),i[m+1]=Math.max(f,o),i[m+2]=Math.max(l,u)}}n.putImageData(r,0,0)}}),t.Image.filters.Blend.fromObject=function(e){return new t.Image.filters.Blend(e)}}(typeof exports!="undefined"?exports:this),function(e){"use strict";var t=e.fabric||(e.fabric={}),n=t.util.object.extend,r=t.util.object.clone,i=t.util.toFixed,s=t.StaticCanvas.supports("setLineDash");if(t.Text){t.warn("fabric.Text is already defined");return}var o=t.Object.prototype.stateProperties.concat();o.push("fontFamily","fontWeight","fontSize","text","textDecoration","textAlign","fontStyle","lineHeight","textBackgroundColor","useNative","path"),t.Text=t.util.createClass(t.Object,{_dimensionAffectingProps:{fontSize:!0,fontWeight:!0,fontFamily:!0,textDecoration:!0,fontStyle:!0,lineHeight:!0,stroke:!0,strokeWidth:!0,text:!0},_reNewline:/\r?\n/,type:"text",fontSize:40,fontWeight:"normal",fontFamily:"Times New Roman",textDecoration:"",textAlign:"left",fontStyle:"",lineHeight:1.3,textBackgroundColor:"",path:null,useNative:!0,stateProperties:o,stroke:null,shadow:null,initialize:function(e,t){t=t||{},this.text=e,this.__skipDimension=!0,this.setOptions(t),this.__skipDimension=!1,this._initDimensions()},_initDimensions:function(){if(this.__skipDimension)return;var e=t.util.createCanvasElement();this._render(e.getContext("2d"))},toString:function(){return"#<fabric.Text ("+this.complexity()+'): { "text": "'+this.text+'", "fontFamily": "'+this.fontFamily+'" }>'},_render:function(e){typeof Cufon=="undefined"||this.useNative===!0?this._renderViaNative(e):this._renderViaCufon(e)},_renderViaNative:function(e){var n=this.text.split(this._reNewline);this._setTextStyles(e),this.width=this._getTextWidth(e,n),this.height=this._getTextHeight(e,n),this.clipTo&&t.util.clipContext(this,e),this._renderTextBackground(e,n),this._translateForTextAlign(e),this._renderText(e,n),this.textAlign!=="left"&&this.textAlign!=="justify"&&e.restore(),this._renderTextDecoration(e,n),this.clipTo&&e.restore(),this._setBoundaries(e,n),this._totalLineHeight=0},_renderText:function(e,t){e.save(),this._setShadow(e),this._setupFillRule(e),this._renderTextFill(e,t),this._renderTextStroke(e,t),this._restoreFillRule(e),this._removeShadow(e),e.restore()},_translateForTextAlign:function(e){this.textAlign!=="left"&&this.textAlign!=="justify"&&(e.save(),e.translate(this.textAlign==="center"?this.width/2:this.width,0))},_setBoundaries:function(e,t){this._boundaries=[];for(var n=0,r=t.length;n<r;n++){var i=this._getLineWidth(e,t[n]),s=this._getLineLeftOffset(i);this._boundaries.push({height:this.fontSize*this.lineHeight,width:i,left:s})}},_setTextStyles:function(e){this._setFillStyles(e),this._setStrokeStyles(e),e.textBaseline="alphabetic",this.skipTextAlign||(e.textAlign=this.textAlign),e.font=this._getFontDeclaration()},_getTextHeight:function(e,t){return this.fontSize*t.length*this.lineHeight},_getTextWidth:function(e,t){var n=e.measureText(t[0]||"|").width;for(var r=1,i=t.length;r<i;r++){var s=e.measureText(t[r]).width;s>n&&(n=s)}return n},_renderChars:function(e,t,n,r,i){t[e](n,r,i)},_renderTextLine:function(e,t,n,r,i,s){i-=this.fontSize/4;if(this.textAlign!=="justify"){this._renderChars(e,t,n,r,i,s);return}var o=t.measureText(n).width,u=this.width;if(u>o){var a=n.split(/\s+/),f=t.measureText(n.replace(/\s+/g,"")).width,l=u-f,c=a.length-1,h=l/c,p=0;for(var d=0,v=a.length;d<v;d++)this._renderChars(e,t,a[d],r+p,i,s),p+=t.measureText(a[d]).width+h}else this._renderChars(e,t,n,r,i,s)},_getLeftOffset:function(){return t.isLikelyNode?0:-this.width/2},_getTopOffset:function(){return-this.height/2},_renderTextFill:function(e,t){if(!this.fill&&!this._skipFillStrokeCheck)return;this._boundaries=[];var n=0;for(var r=0,i=t.length;r<i;r++){var s=this._getHeightOfLine(e,r,t);n+=s,this._renderTextLine("fillText",e,t[r],this._getLeftOffset(),this._getTopOffset()+n,r)}},_renderTextStroke:function(e,t){if((!this.stroke||this.strokeWidth===0)&&!this._skipFillStrokeCheck)return;var n=0;e.save(),this.strokeDashArray&&(1&this.strokeDashArray.length&&this.strokeDashArray.push.apply(this.strokeDashArray,this.strokeDashArray),s&&e.setLineDash(this.strokeDashArray)),e.beginPath();for(var r=0,i=t.length;r<i;r++){var o=this._getHeightOfLine(e,r,t);n+=o,this._renderTextLine("strokeText",e,t[r],this._getLeftOffset(),this._getTopOffset()+n,r)}e.closePath(),e.restore()},_getHeightOfLine:function(){return this.fontSize*this.lineHeight},_renderTextBackground:function(e,t){this._renderTextBoxBackground(e),this._renderTextLinesBackground(e,t)},_renderTextBoxBackground:function(e){if(!this.backgroundColor)return;e.save(),e.fillStyle=this.backgroundColor,e.fillRect(this._getLeftOffset(),this._getTopOffset(),this.width,this.height),e.restore()},_renderTextLinesBackground:function(e,t){if(!this.textBackgroundColor)return;e.save(),e.fillStyle=this.textBackgroundColor;for(var n=0,r=t.length;n<r;n++)if(t[n]!==""){var i=this._getLineWidth(e,t[n]),s=this._getLineLeftOffset(i);e.fillRect(this._getLeftOffset()+s,this._getTopOffset()+n*this.fontSize*this.lineHeight,i,this.fontSize*this.lineHeight)}e.restore()},_getLineLeftOffset:function(e){return this.textAlign==="center"?(this.width-e)/2:this.textAlign==="right"?this.width-e:0},_getLineWidth:function(e,t){return this.textAlign==="justify"?this.width:e.measureText(t).width},_renderTextDecoration:function(e,t){function i(i){for(var s=0,o=t.length;s<o;s++){var u=r._getLineWidth(e,t[s]),a=r._getLineLeftOffset(u);e.fillRect(r._getLeftOffset()+a,~~(i+s*r._getHeightOfLine(e,s,t)-n),u,1)}}if(!this.textDecoration)return;var n=this._getTextHeight(e,t)/2,r=this;this.textDecoration.indexOf("underline")>-1&&i(this.fontSize*this.lineHeight),this.textDecoration.indexOf("line-through")>-1&&i(this.fontSize*this.lineHeight-this.fontSize/2),this.textDecoration.indexOf("overline")>-1&&i(this.fontSize*this.lineHeight-this.fontSize)},_getFontDeclaration:function(){return[t.isLikelyNode?this.fontWeight:this.fontStyle,t.isLikelyNode?this.fontStyle:this.fontWeight,this.fontSize+"px",t.isLikelyNode?'"'+this.fontFamily+'"':this.fontFamily].join(" ")},render:function(e,t){if(!this.visible)return;e.save(),this._transform(e,t);var n=this.transformMatrix,r=this.group&&this.group.type==="path-group";r&&e.translate(-this.group.width/2,-this.group.height/2),n&&e.transform(n[0],n[1],n[2],n[3],n[4],n[5]),r&&e.translate(this.left,this.top),this._render(e),e.restore()},toObject:function(e){var t=n(this.callSuper("toObject",e),{text:this.text,fontSize:this.fontSize,fontWeight:this.fontWeight,fontFamily:this.fontFamily,fontStyle:this.fontStyle,lineHeight:this.lineHeight,textDecoration:this.textDecoration,textAlign:this.textAlign,path:this.path,textBackgroundColor:this.textBackgroundColor,useNative:this.useNative});return this.includeDefaultValues||this._removeDefaultValues(t),t},toSVG:function(e){var t=[],n=this.text.split(this._reNewline),r=this._getSVGLeftTopOffsets(n),i=this._getSVGTextAndBg(r.lineTop,r.textLeft,n),s=this._getSVGShadows(r.lineTop,n);return r.textTop+=this._fontAscent?this._fontAscent/5*this.lineHeight:0,this._wrapSVGTextAndBg(t,i,s,r),e?e(t.join("")):t.join("")},_getSVGLeftTopOffsets:function(e){var t=this.useNative?this.fontSize*this.lineHeight:-this._fontAscent-this._fontAscent/5*this.lineHeight,n=-(this.width/2),r=this.useNative?this.fontSize-1:this.height/2-e.length*this.fontSize-this._totalLineHeight;return{textLeft:n+(this.group?this.left:0),textTop:r+(this.group?this.top:0),lineTop:t}},_wrapSVGTextAndBg:function(e,t,n,r){e.push('<g transform="',this.getSvgTransform(),this.getSvgTransformMatrix(),'">\n',t.textBgRects.join(""),"<text ",this.fontFamily?'font-family="'+this.fontFamily.replace(/"/g,"'")+'" ':"",this.fontSize?'font-size="'+this.fontSize+'" ':"",this.fontStyle?'font-style="'+this.fontStyle+'" ':"",this.fontWeight?'font-weight="'+this.fontWeight+'" ':"",this.textDecoration?'text-decoration="'+this.textDecoration+'" ':"",'style="',this.getSvgStyles(),'" ','transform="translate(',i(r.textLeft,2)," ",i(r.textTop,2),')">',n.join(""),t.textSpans.join(""),"</text>\n","</g>\n")},_getSVGShadows:function(e,n){var r=[],s,o,u=1;if(!this.shadow||!this._boundaries)return r;for(s=0,o=n.length;s<o;s++)if(n[s]!==""){var a=this._boundaries&&this._boundaries[s]?this._boundaries[s].left:0;r.push('<tspan x="',i(a+u+this.shadow.offsetX,2),s===0||this.useNative?'" y':'" dy','="',i(this.useNative?e*s-this.height/2+this.shadow.offsetY:e+(s===0?this.shadow.offsetY:0),2),'" ',this._getFillAttributes(this.shadow.color),">",t.util.string.escapeXml(n[s]),"</tspan>"),u=1}else u++;return r},_getSVGTextAndBg:function(e,t,n){var r=[],i=[],s=1;this._setSVGBg(i);for(var o=0,u=n.length;o<u;o++){n[o]!==""?(this._setSVGTextLineText(n[o],o,r,e,s,i),s=1):s++;if(!this.textBackgroundColor||!this._boundaries)continue;this._setSVGTextLineBg(i,o,t,e)}return{textSpans:r,textBgRects:i}},_setSVGTextLineText:function(e,n,r,s,o){var u=this._boundaries&&this._boundaries[n]?i(this._boundaries[n].left,2):0;r.push('<tspan x="',u,'" ',n===0||this.useNative?"y":"dy",'="',i(this.useNative?s*n-this.height/2:s*o,2),'" ',this._getFillAttributes(this.fill),">",t.util.string.escapeXml(e),"</tspan>")},_setSVGTextLineBg:function(e,t,n,r){e.push("<rect ",this._getFillAttributes(this.textBackgroundColor),' x="',i(n+this._boundaries[t].left,2),'" y="',i(r*t-this.height/2,2),'" width="',i(this._boundaries[t].width,2),'" height="',i(this._boundaries[t].height,2),'"></rect>\n')},_setSVGBg:function(e){this.backgroundColor&&this._boundaries&&e.push("<rect ",this._getFillAttributes(this.backgroundColor),' x="',i(-this.width/2,2),'" y="',i(-this.height/2,2),'" width="',i(this.width,2),'" height="',i(this.height,2),'"></rect>')},_getFillAttributes:function(e){var n=e&&typeof e=="string"?new t.Color(e):"";return!n||!n.getSource()||n.getAlpha()===1?'fill="'+e+'"':'opacity="'+n.getAlpha()+'" fill="'+n.setAlpha(1).toRgb()+'"'},_set:function(e,t){e==="fontFamily"&&this.path&&(this.path=this.path.replace(/(.*?)([^\/]*)(\.font\.js)/,"$1"+t+"$3")),this.callSuper("_set",e,t),e in this._dimensionAffectingProps&&(this._initDimensions(),this.setCoords())},complexity:function(){return 1}}),t.Text.ATTRIBUTE_NAMES=t.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),t.Text.DEFAULT_SVG_FONT_SIZE=16,t.Text.fromElement=function(e,n){if(!e)return null;var r=t.parseAttributes(e,t.Text.ATTRIBUTE_NAMES);n=t.util.object.extend(n?t.util.object.clone(n):{},r),"dx"in r&&(n.left+=r.dx),"dy"in r&&(n.top+=r.dy),"fontSize"in n||(n.fontSize=t.Text.DEFAULT_SVG_FONT_SIZE),n.originX||(n.originX="left");var i=new t.Text(e.textContent,n),s=0;return i.originX==="left"&&(s=i.getWidth()/2),i.originX==="right"&&(s=-i.getWidth()/2),i.set({left:i.getLeft()+s,top:i.getTop()-i.getHeight()/2}),i},t.Text.fromObject=function(e){return new t.Text(e.text,r(e))},t.util.createAccessors(t.Text)}(typeof exports!="undefined"?exports:this),function(){var e=fabric.util.object.clone;fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,styles:null,caching:!0,_skipFillStrokeCheck:!0,_reSpace:/\s|\n/,_fontSizeFraction:4,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,_charWidthsCache:{},initialize:function(e,t){this.styles=t?t.styles||{}:{},this.callSuper("initialize",e,t),this.initBehavior(),fabric.IText.instances.push(this),this.__lineWidths={},this.__lineHeights={},this.__lineOffsets={}},isEmptyStyles:function(){if(!this.styles)return!0;var e=this.styles;for(var t in e)for(var n in e[t])for(var r in e[t][n])return!1;return!0},setSelectionStart:function(e){this.selectionStart!==e&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})),this.selectionStart=e,this.hiddenTextarea&&(this.hiddenTextarea.selectionStart=e)},setSelectionEnd:function(e){this.selectionEnd!==e&&(this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})),this.selectionEnd=e,this.hiddenTextarea&&(this.hiddenTextarea.selectionEnd=e)},getSelectionStyles:function(e,t){if(arguments.length===2){var n=[];for(var r=e;r<t;r++)n.push(this.getSelectionStyles(r));return n}var i=this.get2DCursorLocation(e);return this.styles[i.lineIndex]?this.styles[i.lineIndex][i.charIndex]||{}:{}},setSelectionStyles:function(e){if(this.selectionStart===this.selectionEnd)this._extendStyles(this.selectionStart,e);else for(var t=this.selectionStart;t<this.selectionEnd;t++)this._extendStyles(t,e);return this},_extendStyles:function(e,t){var n=this.get2DCursorLocation(e);this.styles[n.lineIndex]||(this.styles[n.lineIndex]={}),this.styles[n.lineIndex][n.charIndex]||(this.styles[n.lineIndex][n.charIndex]={}),fabric.util.object.extend(this.styles[n.lineIndex][n.charIndex],t)},_render:function(e){this.callSuper("_render",e),this.ctx=e,this.isEditing&&this.renderCursorOrSelection()},renderCursorOrSelection:function(){if(!this.active)return;var e=this.text.split(""),t;this.selectionStart===this.selectionEnd?(t=this._getCursorBoundaries(e,"cursor"),this.renderCursor(t)):(t=this._getCursorBoundaries(e,"selection"),this.renderSelection(e,t))},get2DCursorLocation:function(e){typeof e=="undefined"&&(e=this.selectionStart);var t=this.text.slice(0,e),n=t.split(this._reNewline);return{lineIndex:n.length-1,charIndex:n[n.length-1].length}},getCurrentCharStyle:function(e,t){var n=this.styles[e]&&this.styles[e][t===0?0:t-1];return{fontSize:n&&n.fontSize||this.fontSize,fill:n&&n.fill||this.fill,textBackgroundColor:n&&n.textBackgroundColor||this.textBackgroundColor,textDecoration:n&&n.textDecoration||this.textDecoration,fontFamily:n&&n.fontFamily||this.fontFamily,fontWeight:n&&n.fontWeight||this.fontWeight,fontStyle:n&&n.fontStyle||this.fontStyle,stroke:n&&n.stroke||this.stroke,strokeWidth:n&&n.strokeWidth||this.strokeWidth}},getCurrentCharFontSize:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fontSize||this.fontSize},getCurrentCharColor:function(e,t){return this.styles[e]&&this.styles[e][t===0?0:t-1]&&this.styles[e][t===0?0:t-1].fill||this.cursorColor},_getCursorBoundaries:function(e,t){var n=this.get2DCursorLocation(),r=this.text.split(this._reNewline),i=Math.round(this._getLeftOffset()),s=-this.height/2,o=this._getCursorBoundariesOffsets(e,t,n,r);return{left:i,top:s,leftOffset:o.left+o.lineLeft,topOffset:o.top}},_getCursorBoundariesOffsets:function(e,t,n,r){var i=0,s=0,o=0,u=0,a=t==="cursor"?this._getHeightOfLine(this.ctx,0)-this.getCurrentCharFontSize(n.lineIndex,n.charIndex):0;for(var f=0;f<this.selectionStart;f++){if(e[f]==="\n"){u=0;var l=s+(t==="cursor"?1:0);a+=this._getCachedLineHeight(l),s++,o=0}else u+=this._getWidthOfChar(this.ctx,e[f],s,o),o++;i=this._getCachedLineOffset(s,r)}return this._clearCache(),{top:a,left:u,lineLeft:i}},_clearCache:function(){this.__lineWidths={},this.__lineHeights={},this.__lineOffsets={}},_getCachedLineHeight:function(e){return this.__lineHeights[e]||(this.__lineHeights[e]=this._getHeightOfLine(this.ctx,e))},_getCachedLineWidth:function(e,t){return this.__lineWidths[e]||(this.__lineWidths[e]=this._getWidthOfLine(this.ctx,e,t))},_getCachedLineOffset:function(e,t){var n=this._getCachedLineWidth(e,t);return this.__lineOffsets[e]||(this.__lineOffsets[e]=this._getLineLeftOffset(n))},renderCursor:function(e){var t=this.ctx;t.save();var n=this.get2DCursorLocation(),r=n.lineIndex,i=n.charIndex,s=this.getCurrentCharFontSize(r,i),o=r===0&&i===0?this._getCachedLineOffset(r,this.text.split(this._reNewline)):e.leftOffset;t.fillStyle=this.getCurrentCharColor(r,i),t.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,t.fillRect(e.left+o,e.top+e.topOffset,this.cursorWidth/this.scaleX,s),t.restore()},renderSelection:function(e,t){var n=this.ctx;n.save(),n.fillStyle=this.selectionColor;var r=this.get2DCursorLocation(this.selectionStart),i=this.get2DCursorLocation(this.selectionEnd),s=r.lineIndex,o=i.lineIndex,u=this.text.split(this._reNewline);for(var a=s;a<=o;a++){var f=this._getCachedLineOffset(a,u)||0,l=this._getCachedLineHeight(a),c=0;if(a===s)for(var h=0,p=u[a].length;h<p;h++)h>=r.charIndex&&(a!==o||h<i.charIndex)&&(c+=this._getWidthOfChar(n,u[a][h],a,h)),h<r.charIndex&&(f+=this._getWidthOfChar(n,u[a][h],a,h));else if(a>s&&a<o)c+=this._getCachedLineWidth(a,u)||5;else if(a===o)for(var d=0,v=i.charIndex;d<v;d++)c+=this._getWidthOfChar(n,u[a][d],a,d);n.fillRect(t.left+f,t.top+t.topOffset,c,l),t.topOffset+=l}n.restore()},_renderChars:function(e,t,n,r,i,s){if(this.isEmptyStyles())return this._renderCharsFast(e,t,n,r,i);this.skipTextAlign=!0,r-=this.textAlign==="center"?this.width/2:this.textAlign==="right"?this.width:0;var o=this.text.split(this._reNewline),u=this._getWidthOfLine(t,s,o),a=this._getHeightOfLine(t,s,o),f=this._getLineLeftOffset(u),l=n.split(""),c,h="";r+=f||0,t.save();for(var p=0,d=l.length;p<=d;p++){c=c||this.getCurrentCharStyle(s,p);var v=this.getCurrentCharStyle(s,p+1);if(this._hasStyleChanged(c,v)||p===d)this._renderChar(e,t,s,p-1,h,r,i,a),h="",c=v;h+=l[p]}t.restore()},_renderCharsFast:function(e,t,n,r,i){this.skipTextAlign=!1,e==="fillText"&&this.fill&&this.callSuper("_renderChars",e,t,n,r,i),e==="strokeText"&&this.stroke&&this.callSuper("_renderChars",e,t,n,r,i)},_renderChar:function(e,t,n,r,i,s,o,u){var a,f,l;if(this.styles&&this.styles[n]&&(a=this.styles[n][r])){var c=a.stroke||this.stroke,h=a.fill||this.fill;t.save(),f=this._applyCharStylesGetWidth(t,i,n,r,a),l=this._getHeightOfChar(t,i,n,r),h&&t.fillText(i,s,o),c&&t.strokeText(i,s,o),this._renderCharDecoration(t,a,s,o,f,u,l),t.restore(),t.translate(f,0)}else e==="strokeText"&&this.stroke&&t[e](i,s,o),e==="fillText"&&this.fill&&t[e](i,s,o),f=this._applyCharStylesGetWidth(t,i,n,r),this._renderCharDecoration(t,null,s,o,f,u),t.translate(t.measureText(i).width,0)},_hasStyleChanged:function(e,t){return e.fill!==t.fill||e.fontSize!==t.fontSize||e.textBackgroundColor!==t.textBackgroundColor||e.textDecoration!==t.textDecoration||e.fontFamily!==t.fontFamily||e.fontWeight!==t.fontWeight||e.fontStyle!==t.fontStyle||e.stroke!==t.stroke||e.strokeWidth!==t.strokeWidth},_renderCharDecoration:function(e,t,n,r,i,s,o){var u=t?t.textDecoration||this.textDecoration:this.textDecoration,a=(t?t.fontSize:null)||this.fontSize;if(!u)return;u.indexOf("underline")>-1&&this._renderCharDecorationAtOffset(e,n,r+this.fontSize/this._fontSizeFraction,i,0,this.fontSize/20),u.indexOf("line-through")>-1&&this._renderCharDecorationAtOffset(e,n,r+this.fontSize/this._fontSizeFraction,i,o/2,a/20),u.indexOf("overline")>-1&&this._renderCharDecorationAtOffset(e,n,r,i,s-this.fontSize/this._fontSizeFraction,this.fontSize/20)},_renderCharDecorationAtOffset:function(e,t,n,r,i,s){e.fillRect(t,n-i,r,s)},_renderTextLine:function(e,t,n,r,i,s){i+=this.fontSize/4,this.callSuper("_renderTextLine",e,t,n,r,i,s)},_renderTextDecoration:function(e,t){if(this.isEmptyStyles())return this.callSuper("_renderTextDecoration",e,t)},_renderTextLinesBackground:function(e,t){if(!this.textBackgroundColor&&!this.styles)return;e.save(),this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor);var n=0,r=this.fontSize/this._fontSizeFraction;for(var i=0,s=t.length;i<s;i++){var o=this._getHeightOfLine(e,i,t);if(t[i]===""){n+=o;continue}var u=this._getWidthOfLine(e,i,t),a=this._getLineLeftOffset(u);this.textBackgroundColor&&(e.fillStyle=this.textBackgroundColor,e.fillRect(this._getLeftOffset()+a,this._getTopOffset()+n+r,u,o));if(this.styles[i])for(var f=0,l=t[i].length;f<l;f++)if(this.styles[i]&&this.styles[i][f]&&this.styles[i][f].textBackgroundColor){var c=t[i][f];e.fillStyle=this.styles[i][f].textBackgroundColor,e.fillRect(this._getLeftOffset()+a+this._getWidthOfCharsAt(e,i,f,t),this._getTopOffset()+n+r,this._getWidthOfChar(e,c,i,f,t)+1,o)}n+=o}e.restore()},_getCacheProp:function(e,t){return e+t.fontFamily+t.fontSize+t.fontWeight+t.fontStyle+t.shadow},_applyCharStylesGetWidth:function(t,n,r,i,s){var o=s||this.styles[r]&&this.styles[r][i];o?o=e(o):o={},this._applyFontStyles(o);var u=this._getCacheProp(n,o);if(this.isEmptyStyles()&&this._charWidthsCache[u]&&this.caching)return this._charWidthsCache[u];typeof o.shadow=="string"&&(o.shadow=new fabric.Shadow(o.shadow));var a=o.fill||this.fill;return t.fillStyle=a.toLive?a.toLive(t):a,o.stroke&&(t.strokeStyle=o.stroke&&o.stroke.toLive?o.stroke.toLive(t):o.stroke),t.lineWidth=o.strokeWidth||this.strokeWidth,t.font=this._getFontDeclaration.call(o),this._setShadow.call(o,t),this.caching?(this._charWidthsCache[u]||(this._charWidthsCache[u]=t.measureText(n).width),this._charWidthsCache[u]):t.measureText(n).width},_applyFontStyles:function(e){e.fontFamily||(e.fontFamily=this.fontFamily),e.fontSize||(e.fontSize=this.fontSize),e.fontWeight||(e.fontWeight=this.fontWeight),e.fontStyle||(e.fontStyle=this.fontStyle)},_getStyleDeclaration:function(t,n){return this.styles[t]&&this.styles[t][n]?e(this.styles[t][n]):{}},_getWidthOfChar:function(e,t,n,r){var i=this._getStyleDeclaration(n,r);this._applyFontStyles(i);var s=this._getCacheProp(t,i);if(this._charWidthsCache[s]&&this.caching)return this._charWidthsCache[s];if(e){e.save();var o=this._applyCharStylesGetWidth(e,t,n,r);return e.restore(),o}},_getHeightOfChar:function(e,t,n,r){return this.styles[n]&&this.styles[n][r]?this.styles[n][r].fontSize||this.fontSize:this.fontSize},_getWidthOfCharAt:function(e,t,n,r){r=r||this.text.split(this._reNewline);var i=r[t].split("")[n];return this._getWidthOfChar(e,i,t,n)},_getHeightOfCharAt:function(e,t,n,r){r=r||this.text.split(this._reNewline);var i=r[t].split("")[n];return this._getHeightOfChar(e,i,t,n)},_getWidthOfCharsAt:function(e,t,n,r){var i=0;for(var s=0;s<n;s++)i+=this._getWidthOfCharAt(e,t,s,r);return i},_getWidthOfLine:function(e,t,n){return this._getWidthOfCharsAt(e,t,n[t].length,n)},_getTextWidth:function(e,t){if(this.isEmptyStyles())return this.callSuper("_getTextWidth",e,t);var n=this._getWidthOfLine(e,0,t);for(var r=1,i=t.length;r<i;r++){var s=this._getWidthOfLine(e,r,t);s>n&&(n=s)}return n},_getHeightOfLine:function(e,t,n){n=n||this.text.split(this._reNewline);var r=this._getHeightOfChar(e,n[t][0],t,0),i=n[t],s=i.split("");for(var o=1,u=s.length;o<u;o++){var a=this._getHeightOfChar(e,s[o],t,o);a>r&&(r=a)}return r*this.lineHeight},_getTextHeight:function(e,t){var n=0;for(var r=0,i=t.length;r<i;r++)n+=this._getHeightOfLine(e,r,t);return n},_getTopOffset:function(){var e=fabric.Text.prototype._getTopOffset.call(this);return e-this.fontSize/this._fontSizeFraction},_renderTextBoxBackground:function(e){if(!this.backgroundColor)return;e.save(),e.fillStyle=this.backgroundColor,e.fillRect(this._getLeftOffset(),this._getTopOffset()+this.fontSize/this._fontSizeFraction,this.width,this.height),e.restore()},toObject:function(t){return fabric.util.object.extend(this.callSuper("toObject",t),{styles:e(this.styles)})}}),fabric.IText.fromObject=function(t){return new fabric.IText(t.text,e(t))},fabric.IText.instances=[]}(),function(){var e=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation()},initSelectedHandler:function(){this.on("selected",function(){var e=this;setTimeout(function(){e.selected=!0},100)})},initAddedHandler:function(){this.on("added",function(){this.canvas&&!this.canvas._hasITextHandlers&&(this.canvas._hasITextHandlers=!0,this._initCanvasHandlers())})},_initCanvasHandlers:function(){this.canvas.on("selection:cleared",function(){fabric.IText.prototype.exitEditingOnOthers.call()}),this.canvas.on("mouse:up",function(){fabric.IText.instances.forEach(function(e){e.__isMousedown=!1})}),this.canvas.on("object:selected",function(e){fabric.IText.prototype.exitEditingOnOthers.call(e.target)})},_tick:function(){if(this._abortCursorAnimation)return;var e=this;this.animate("_currentCursorOpacity",1,{duration:this.cursorDuration,onComplete:function(){e._onTickComplete()},onChange:function(){e.canvas&&e.canvas.renderAll()},abort:function(){return e._abortCursorAnimation}})},_onTickComplete:function(){if(this._abortCursorAnimation)return;var e=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){e.animate("_currentCursorOpacity",0,{duration:this.cursorDuration/2,onComplete:function(){e._tick()},onChange:function(){e.canvas&&e.canvas.renderAll()},abort:function(){return e._abortCursorAnimation}})},100)},initDelayedCursor:function(e){var t=this,n=e?0:this.cursorDelay;e&&(this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),this._currentCursorOpacity=1,this.canvas&&this.canvas.renderAll()),this._cursorTimeout2&&clearTimeout(this._cursorTimeout2),this._cursorTimeout2=setTimeout(function(){t._abortCursorAnimation=!1,t._tick()},n)},abortCursorAnimation:function(){this._abortCursorAnimation=!0,clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,this.canvas&&this.canvas.renderAll();var e=this;setTimeout(function(){e._abortCursorAnimation=!1},10)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this.text.length,this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectedText:function(){return this.text.slice(this.selectionStart,this.selectionEnd)},findWordBoundaryLeft:function(e){var t=0,n=e-1;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n--;while(/\S/.test(this.text.charAt(
|
||
n))&&n>-1)t++,n--;return e-t},findWordBoundaryRight:function(e){var t=0,n=e;if(this._reSpace.test(this.text.charAt(n)))while(this._reSpace.test(this.text.charAt(n)))t++,n++;while(/\S/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},findLineBoundaryLeft:function(e){var t=0,n=e-1;while(!/\n/.test(this.text.charAt(n))&&n>-1)t++,n--;return e-t},findLineBoundaryRight:function(e){var t=0,n=e;while(!/\n/.test(this.text.charAt(n))&&n<this.text.length)t++,n++;return e+t},getNumNewLinesInSelectedText:function(){var e=this.getSelectedText(),t=0;for(var n=0,r=e.split(""),i=r.length;n<i;n++)r[n]==="\n"&&t++;return t},searchWordBoundary:function(e,t){var n=this._reSpace.test(this.text.charAt(e))?e-1:e,r=this.text.charAt(n),i=/[ \n\.,;!\?\-]/;while(!i.test(r)&&n>0&&n<this.text.length)n+=t,r=this.text.charAt(n);return i.test(r)&&r!=="\n"&&(n+=t===1?0:1),n},selectWord:function(e){var t=this.searchWordBoundary(e,-1),n=this.searchWordBoundary(e,1);this.setSelectionStart(t),this.setSelectionEnd(n),this.initDelayedCursor(!0)},selectLine:function(e){var t=this.findLineBoundaryLeft(e),n=this.findLineBoundaryRight(e);this.setSelectionStart(t),this.setSelectionEnd(n),this.initDelayedCursor(!0)},enterEditing:function(){if(this.isEditing||!this.editable)return;return this.exitEditingOnOthers(),this.isEditing=!0,this.initHiddenTextarea(),this._updateTextarea(),this._saveEditingProps(),this._setEditingProps(),this._tick(),this.canvas&&this.canvas.renderAll(),this.fire("editing:entered"),this.canvas&&this.canvas.fire("text:editing:entered",{target:this}),this},exitEditingOnOthers:function(){fabric.IText.instances.forEach(function(e){e.selected=!1,e.isEditing&&e.exitEditing()},this)},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},_updateTextarea:function(){if(!this.hiddenTextarea)return;this.hiddenTextarea.value=this.text,this.hiddenTextarea.selectionStart=this.selectionStart},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){if(!this._savedProps)return;this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor)},exitEditing:function(){return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null,this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),this.canvas&&this.canvas.fire("text:editing:exited",{target:this}),this},_removeExtraneousStyles:function(){var e=this.text.split(this._reNewline);for(var t in this.styles)e[t]||delete this.styles[t]},_removeCharsFromTo:function(e,t){var n=t;while(n!==e){var r=this.get2DCursorLocation(n).charIndex;n--;var i=this.get2DCursorLocation(n).charIndex,s=i>r;s?this.removeStyleObject(s,n+1):this.removeStyleObject(this.get2DCursorLocation(n).charIndex===0,n)}this.text=this.text.slice(0,e)+this.text.slice(t)},insertChars:function(e){var t=this.text.slice(this.selectionStart,this.selectionStart+1)==="\n";this.text=this.text.slice(0,this.selectionStart)+e+this.text.slice(this.selectionEnd),this.selectionStart===this.selectionEnd&&this.insertStyleObjects(e,t,this.copiedStyles),this.selectionStart+=e.length,this.selectionEnd=this.selectionStart,this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},insertNewlineStyleObject:function(t,n,r){this.shiftLineStyles(t,1),this.styles[t+1]||(this.styles[t+1]={});var i=this.styles[t][n-1],s={};if(r)s[0]=e(i),this.styles[t+1]=s;else{for(var o in this.styles[t])parseInt(o,10)>=n&&(s[parseInt(o,10)-n]=this.styles[t][o],delete this.styles[t][o]);this.styles[t+1]=s}},insertCharStyleObject:function(t,n,r){var i=this.styles[t],s=e(i);n===0&&!r&&(n=1);for(var o in s){var u=parseInt(o,10);u>=n&&(i[u+1]=s[u])}this.styles[t][n]=r||e(i[n-1])},insertStyleObjects:function(e,t,n){if(this.isEmptyStyles())return;var r=this.get2DCursorLocation(),i=r.lineIndex,s=r.charIndex;this.styles[i]||(this.styles[i]={}),e==="\n"?this.insertNewlineStyleObject(i,s,t):n?this._insertStyles(n):this.insertCharStyleObject(i,s)},_insertStyles:function(e){for(var t=0,n=e.length;t<n;t++){var r=this.get2DCursorLocation(this.selectionStart+t),i=r.lineIndex,s=r.charIndex;this.insertCharStyleObject(i,s,e[t])}},shiftLineStyles:function(t,n){var r=e(this.styles);for(var i in this.styles){var s=parseInt(i,10);s>t&&(this.styles[s+n]=r[s])}},removeStyleObject:function(t,n){var r=this.get2DCursorLocation(n),i=r.lineIndex,s=r.charIndex;if(t){var o=this.text.split(this._reNewline),u=o[i-1],a=u?u.length:0;this.styles[i-1]||(this.styles[i-1]={});for(s in this.styles[i])this.styles[i-1][parseInt(s,10)+a]=this.styles[i][s];this.shiftLineStyles(i,-1)}else{var f=this.styles[i];if(f){var l=this.selectionStart===this.selectionEnd?-1:0;delete f[s+l]}var c=e(f);for(var h in c){var p=parseInt(h,10);p>=s&&p!==0&&(f[p-1]=c[p],delete f[p])}}},insertNewline:function(){this.insertChars("\n")}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+(new Date),this.__lastLastClickTime=+(new Date),this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(e){this.__newClickTime=+(new Date);var t=this.canvas.getPointer(e.e);this.isTripleClick(t)?(this.fire("tripleclick",e),this._stopEvent(e.e)):this.isDoubleClick(t)&&(this.fire("dblclick",e),this._stopEvent(e.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=t,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(e){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===e.x&&this.__lastPointer.y===e.y&&this.__lastIsEditing},isTripleClick:function(e){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===e.x&&this.__lastPointer.y===e.y},_stopEvent:function(e){e.preventDefault&&e.preventDefault(),e.stopPropagation&&e.stopPropagation()},initCursorSelectionHandlers:function(){this.initSelectedHandler(),this.initMousedownHandler(),this.initMousemoveHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(e){this.selectWord(this.getSelectionStartFromPointer(e.e))}),this.on("tripleclick",function(e){this.selectLine(this.getSelectionStartFromPointer(e.e))})},initMousedownHandler:function(){this.on("mousedown",function(e){var t=this.canvas.getPointer(e.e);this.__mousedownX=t.x,this.__mousedownY=t.y,this.__isMousedown=!0,this.hiddenTextarea&&this.canvas&&this.canvas.wrapperEl.appendChild(this.hiddenTextarea),this.selected&&this.setCursorByClick(e.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.initDelayedCursor(!0))})},initMousemoveHandler:function(){this.on("mousemove",function(e){if(!this.__isMousedown||!this.isEditing)return;var t=this.getSelectionStartFromPointer(e.e);t>=this.__selectionStartOnMouseDown?(this.setSelectionStart(this.__selectionStartOnMouseDown),this.setSelectionEnd(t)):(this.setSelectionStart(t),this.setSelectionEnd(this.__selectionStartOnMouseDown))})},_isObjectMoved:function(e){var t=this.canvas.getPointer(e);return this.__mousedownX!==t.x||this.__mousedownY!==t.y},initMouseupHandler:function(){this.on("mouseup",function(e){this.__isMousedown=!1;if(this._isObjectMoved(e.e))return;this.__lastSelected&&(this.enterEditing(),this.initDelayedCursor(!0)),this.selected=!0})},setCursorByClick:function(e){var t=this.getSelectionStartFromPointer(e);e.shiftKey?t<this.selectionStart?(this.setSelectionEnd(this.selectionStart),this.setSelectionStart(t)):this.setSelectionEnd(t):(this.setSelectionStart(t),this.setSelectionEnd(t))},_getLocalRotatedPointer:function(e){var t=this.canvas.getPointer(e),n=new fabric.Point(t.x,t.y),r=new fabric.Point(this.left,this.top),i=fabric.util.rotatePoint(n,r,fabric.util.degreesToRadians(-this.angle));return this.getLocalPointer(e,i)},getSelectionStartFromPointer:function(e){var t=this._getLocalRotatedPointer(e),n=this.text.split(this._reNewline),r=0,i=0,s=0,o=0,u;for(var a=0,f=n.length;a<f;a++){s+=this._getHeightOfLine(this.ctx,a)*this.scaleY;var l=this._getWidthOfLine(this.ctx,a,n),c=this._getLineLeftOffset(l);i=c*this.scaleX,this.flipX&&(n[a]=n[a].split("").reverse().join(""));for(var h=0,p=n[a].length;h<p;h++){var d=n[a][h];r=i,i+=this._getWidthOfChar(this.ctx,d,a,this.flipX?p-h:h)*this.scaleX;if(s<=t.y||i<=t.x){o++;continue}return this._getNewSelectionStartFromOffset(t,r,i,o+a,p)}if(t.y<s)return this._getNewSelectionStartFromOffset(t,r,i,o+a,p)}if(typeof u=="undefined")return this.text.length},_getNewSelectionStartFromOffset:function(e,t,n,r,i){var s=e.x-t,o=n-e.x,u=o>s?0:1,a=r+u;return this.flipX&&(a=i-a),a>this.text.length&&(a=this.text.length),a}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.style.cssText="position: absolute; top: 0; left: -9999px",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keypress",this.onKeyPress.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},_keysMap:{8:"removeChars",13:"insertNewline",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown",46:"forwardDelete"},_ctrlKeysMap:{65:"selectAll",88:"cut"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(e){if(!this.isEditing)return;if(e.keyCode in this._keysMap&&e.charCode===0)this[this._keysMap[e.keyCode]](e);else{if(!(e.keyCode in this._ctrlKeysMap&&(e.ctrlKey||e.metaKey)))return;this[this._ctrlKeysMap[e.keyCode]](e)}e.stopPropagation(),this.canvas&&this.canvas.renderAll()},forwardDelete:function(e){this.selectionStart===this.selectionEnd&&this.moveCursorRight(e),this.removeChars(e)},copy:function(e){var t=this.getSelectedText(),n=this._getClipboardData(e);n&&n.setData("text",t),this.copiedText=t,this.copiedStyles=this.getSelectionStyles(this.selectionStart,this.selectionEnd)},paste:function(e){var t=null,n=this._getClipboardData(e);n?t=n.getData("text"):t=this.copiedText,t&&this.insertChars(t)},cut:function(e){if(this.selectionStart===this.selectionEnd)return;this.copy(),this.removeChars(e)},_getClipboardData:function(e){return e&&(e.clipboardData||fabric.window.clipboardData)},onKeyPress:function(e){if(!this.isEditing||e.metaKey||e.ctrlKey||e.keyCode in this._keysMap&&e.charCode===0)return;this.insertChars(String.fromCharCode(e.which)),e.stopPropagation()},getDownCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.text.split(this._reNewline),i,s,o=this.text.slice(0,n),u=this.text.slice(n),a=o.slice(o.lastIndexOf("\n")+1),f=u.match(/(.*)\n?/)[1],l=(u.match(/.*\n(.*)\n?/)||{})[1]||"",c=this.get2DCursorLocation(n);if(c.lineIndex===r.length-1||e.metaKey)return this.text.length-n;var h=this._getWidthOfLine(this.ctx,c.lineIndex,r);s=this._getLineLeftOffset(h);var p=s,d=c.lineIndex;for(var v=0,m=a.length;v<m;v++)i=a[v],p+=this._getWidthOfChar(this.ctx,i,d,v);var g=this._getIndexOnNextLine(c,l,p,r);return f.length+1+g},_getIndexOnNextLine:function(e,t,n,r){var i=e.lineIndex+1,s=this._getWidthOfLine(this.ctx,i,r),o=this._getLineLeftOffset(s),u=o,a=0,f;for(var l=0,c=t.length;l<c;l++){var h=t[l],p=this._getWidthOfChar(this.ctx,h,i,l);u+=p;if(u>n){f=!0;var d=u-p,v=u,m=Math.abs(d-n),g=Math.abs(v-n);a=g<m?l+1:l;break}}return f||(a=t.length),a},moveCursorDown:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getDownCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorDownWithShift(t):this.moveCursorDownWithoutShift(t),this.initDelayedCursor()},moveCursorDownWithoutShift:function(e){this._selectionDirection="right",this.selectionStart+=e,this.selectionStart>this.text.length&&(this.selectionStart=this.text.length),this.selectionEnd=this.selectionStart},moveCursorDownWithShift:function(e){if(this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd){this.selectionStart+=e,this._selectionDirection="left";return}this._selectionDirection="right",this.selectionEnd+=e,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length)},getUpCursorOffset:function(e,t){var n=t?this.selectionEnd:this.selectionStart,r=this.get2DCursorLocation(n);if(r.lineIndex===0||e.metaKey)return n;var i=this.text.slice(0,n),s=i.slice(i.lastIndexOf("\n")+1),o=(i.match(/\n?(.*)\n.*$/)||{})[1]||"",u=this.text.split(this._reNewline),a,f=this._getWidthOfLine(this.ctx,r.lineIndex,u),l=this._getLineLeftOffset(f),c=l,h=r.lineIndex;for(var p=0,d=s.length;p<d;p++)a=s[p],c+=this._getWidthOfChar(this.ctx,a,h,p);var v=this._getIndexOnPrevLine(r,o,c,u);return o.length-v+s.length},_getIndexOnPrevLine:function(e,t,n,r){var i=e.lineIndex-1,s=this._getWidthOfLine(this.ctx,i,r),o=this._getLineLeftOffset(s),u=o,a=0,f;for(var l=0,c=t.length;l<c;l++){var h=t[l],p=this._getWidthOfChar(this.ctx,h,i,l);u+=p;if(u>n){f=!0;var d=u-p,v=u,m=Math.abs(d-n),g=Math.abs(v-n);a=g<m?l:l-1;break}}return f||(a=t.length-1),a},moveCursorUp:function(e){this.abortCursorAnimation(),this._currentCursorOpacity=1;var t=this.getUpCursorOffset(e,this._selectionDirection==="right");e.shiftKey?this.moveCursorUpWithShift(t):this.moveCursorUpWithoutShift(t),this.initDelayedCursor()},moveCursorUpWithShift:function(e){if(this.selectionStart===this.selectionEnd)this.selectionStart-=e;else{if(this._selectionDirection==="right"){this.selectionEnd-=e,this._selectionDirection="right";return}this.selectionStart-=e}this.selectionStart<0&&(this.selectionStart=0),this._selectionDirection="left"},moveCursorUpWithoutShift:function(e){this.selectionStart===this.selectionEnd&&(this.selectionStart-=e),this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd=this.selectionStart,this._selectionDirection="left"},moveCursorLeft:function(e){if(this.selectionStart===0&&this.selectionEnd===0)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorLeftWithShift(e):this.moveCursorLeftWithoutShift(e),this.initDelayedCursor()},_move:function(e,t,n){e.altKey?this[t]=this["findWordBoundary"+n](this[t]):e.metaKey?this[t]=this["findLineBoundary"+n](this[t]):this[t]+=n==="Left"?-1:1},_moveLeft:function(e,t){this._move(e,t,"Left")},_moveRight:function(e,t){this._move(e,t,"Right")},moveCursorLeftWithoutShift:function(e){this._selectionDirection="left",this.selectionEnd===this.selectionStart&&this._moveLeft(e,"selectionStart"),this.selectionEnd=this.selectionStart},moveCursorLeftWithShift:function(e){this._selectionDirection==="right"&&this.selectionStart!==this.selectionEnd?this._moveLeft(e,"selectionEnd"):(this._selectionDirection="left",this._moveLeft(e,"selectionStart"),this.text.charAt(this.selectionStart)==="\n"&&this.selectionStart--,this.selectionStart<0&&(this.selectionStart=0))},moveCursorRight:function(e){if(this.selectionStart>=this.text.length&&this.selectionEnd>=this.text.length)return;this.abortCursorAnimation(),this._currentCursorOpacity=1,e.shiftKey?this.moveCursorRightWithShift(e):this.moveCursorRightWithoutShift(e),this.initDelayedCursor()},moveCursorRightWithShift:function(e){this._selectionDirection==="left"&&this.selectionStart!==this.selectionEnd?this._moveRight(e,"selectionStart"):(this._selectionDirection="right",this._moveRight(e,"selectionEnd"),this.text.charAt(this.selectionEnd-1)==="\n"&&this.selectionEnd++,this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length))},moveCursorRightWithoutShift:function(e){this._selectionDirection="right",this.selectionStart===this.selectionEnd?(this._moveRight(e,"selectionStart"),this.selectionEnd=this.selectionStart):(this.selectionEnd+=this.getNumNewLinesInSelectedText(),this.selectionEnd>this.text.length&&(this.selectionEnd=this.text.length),this.selectionStart=this.selectionEnd)},removeChars:function(e){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(e):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.selectionEnd=this.selectionStart,this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll().renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(e){if(this.selectionStart!==0)if(e.metaKey){var t=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(t,this.selectionStart),this.selectionStart=t}else if(e.altKey){var n=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(n,this.selectionStart),this.selectionStart=n}else{var r=this.text.slice(this.selectionStart-1,this.selectionStart)==="\n";this.removeStyleObject(r),this.selectionStart--,this.text=this.text.slice(0,this.selectionStart)+this.text.slice(this.selectionStart+1)}}}),fabric.util.object.extend(fabric.IText.prototype,{_setSVGTextLineText:function(e,t,n,r,i,s){this.styles[t]?this._setSVGTextLineChars(e,t,n,r,i,s):this.callSuper("_setSVGTextLineText",e,t,n,r,i)},_setSVGTextLineChars:function(e,t,n,r,i,s){var o=t===0||this.useNative?"y":"dy",u=e.split(""),a=0,f=this._getSVGLineLeftOffset(t),l=this._getSVGLineTopOffset(t),c=this._getHeightOfLine(this.ctx,t);for(var h=0,p=u.length;h<p;h++){var d=this.styles[t][h]||{};n.push(this._createTextCharSpan(u[h],d,f,l,o,a));var v=this._getWidthOfChar(this.ctx,u[h],t,h);d.textBackgroundColor&&s.push(this._createTextCharBg(d,f,l,c,v,a)),a+=v}},_getSVGLineLeftOffset:function(e){return this._boundaries&&this._boundaries[e]?fabric.util.toFixed(this._boundaries[e].left,2):0},_getSVGLineTopOffset:function(e){var t=0;for(var n=0;n<=e;n++)t+=this._getHeightOfLine(this.ctx,n);return t-this.height/2},_createTextCharBg:function(e,t,n,r,i,s){return['<rect fill="',e.textBackgroundColor,'" transform="translate(',-this.width/2," ",-this.height+r,")",'" x="',t+s,'" y="',n+r,'" width="',i,'" height="',r,'"></rect>'].join("")},_createTextCharSpan:function(e,t,n,r,i,s){var o=this.getSvgStyles.call(fabric.util.object.extend({visible:!0,fill:this.fill,stroke:this.stroke,type:"text"},t));return['<tspan x="',n+s,'" ',i,'="',r,'" ',t.fontFamily?'font-family="'+t.fontFamily.replace(/"/g,"'")+'" ':"",t.fontSize?'font-size="'+t.fontSize+'" ':"",t.fontStyle?'font-style="'+t.fontStyle+'" ':"",t.fontWeight?'font-weight="'+t.fontWeight+'" ':"",t.textDecoration?'text-decoration="'+t.textDecoration+'" ':"",'style="',o,'">',fabric.util.string.escapeXml(e),"</tspan>"].join("")}}),function(){function request(e,t,n){var r=URL.parse(e);r.port||(r.port=r.protocol.indexOf("https:")===0?443:80);var i=r.port===443?HTTPS:HTTP,s=i.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(e){var r="";t&&e.setEncoding(t),e.on("end",function(){n(r)}),e.on("data",function(t){e.statusCode===200&&(r+=t)})});s.on("error",function(e){e.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(e.message)}),s.end()}function requestFs(e,t){var n=require("fs");n.readFile(e,function(e,n){if(e)throw fabric.log(e),e;t(n)})}if(typeof document!="undefined"&&typeof window!="undefined")return;var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require("canvas"),Image=require("canvas").Image;fabric.util.loadImage=function(e,t,n){function r(r){i.src=new Buffer(r,"binary"),i._src=e,t&&t.call(n,i)}var i=new Image;e&&(e instanceof Buffer||e.indexOf("data")===0)?(i.src=i._src=e,t&&t.call(n,i)):e&&e.indexOf("http")!==0?requestFs(e,r):e?request(e,"binary",r):t&&t.call(n,e)},fabric.loadSVGFromURL=function(e,t,n){e=e.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),e.indexOf("http")!==0?requestFs(e,function(e){fabric.loadSVGFromString(e.toString(),t,n)}):request(e,"",function(e){fabric.loadSVGFromString(e,t,n)})},fabric.loadSVGFromString=function(e,t,n){var r=(new DOMParser).parseFromString(e);fabric.parseSVGDocument(r.documentElement,function(e,n){t&&t(e,n)},n)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.Image.fromObject=function(e,t){fabric.util.loadImage(e.src,function(n){var r=new fabric.Image(n);r._initConfig(e),r._initFilters(e,function(e){r.filters=e||[],t&&t(r)})})},fabric.createCanvasForNode=function(e,t,n,r){r=r||n;var i=fabric.document.createElement("canvas"),s=new Canvas(e||600,t||600,r);i.style={},i.width=s.width,i.height=s.height;var o=fabric.Canvas||fabric.StaticCanvas,u=new o(i,n);return u.contextContainer=s.getContext("2d"),u.nodeCanvas=s,u.Font=Canvas.Font,u},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(e){return this.nodeCanvas.createJPEGStream(e)};var origSetWidth=fabric.StaticCanvas.prototype.setWidth;fabric.StaticCanvas.prototype.setWidth=function(e,t){return origSetWidth.call(this,e,t),this.nodeCanvas.width=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setWidth=fabric.StaticCanvas.prototype.setWidth);var origSetHeight=fabric.StaticCanvas.prototype.setHeight;fabric.StaticCanvas.prototype.setHeight=function(e,t){return origSetHeight.call(this,e,t),this.nodeCanvas.height=e,this},fabric.Canvas&&(fabric.Canvas.prototype.setHeight=fabric.StaticCanvas.prototype.setHeight)}();
|
||
// TinyColor v1.0.0
|
||
// https://github.com/bgrins/TinyColor
|
||
// 2014-06-13, Brian Grinstead, MIT License
|
||
|
||
(function() {
|
||
|
||
var trimLeft = /^[\s,#]+/,
|
||
trimRight = /\s+$/,
|
||
tinyCounter = 0,
|
||
math = Math,
|
||
mathRound = math.round,
|
||
mathMin = math.min,
|
||
mathMax = math.max,
|
||
mathRandom = math.random;
|
||
|
||
var tinycolor = function tinycolor (color, opts) {
|
||
|
||
color = (color) ? color : '';
|
||
opts = opts || { };
|
||
|
||
// If input is already a tinycolor, return itself
|
||
if (color instanceof tinycolor) {
|
||
return color;
|
||
}
|
||
// If we are called as a function, call using new instead
|
||
if (!(this instanceof tinycolor)) {
|
||
return new tinycolor(color, opts);
|
||
}
|
||
|
||
var rgb = inputToRGB(color);
|
||
this._r = rgb.r,
|
||
this._g = rgb.g,
|
||
this._b = rgb.b,
|
||
this._a = rgb.a,
|
||
this._roundA = mathRound(100*this._a) / 100,
|
||
this._format = opts.format || rgb.format;
|
||
this._gradientType = opts.gradientType;
|
||
|
||
// Don't let the range of [0,255] come back in [0,1].
|
||
// Potentially lose a little bit of precision here, but will fix issues where
|
||
// .5 gets interpreted as half of the total, instead of half of 1
|
||
// If it was supposed to be 128, this was already taken care of by `inputToRgb`
|
||
if (this._r < 1) { this._r = mathRound(this._r); }
|
||
if (this._g < 1) { this._g = mathRound(this._g); }
|
||
if (this._b < 1) { this._b = mathRound(this._b); }
|
||
|
||
this._ok = rgb.ok;
|
||
this._tc_id = tinyCounter++;
|
||
};
|
||
|
||
tinycolor.prototype = {
|
||
isDark: function() {
|
||
return this.getBrightness() < 128;
|
||
},
|
||
isLight: function() {
|
||
return !this.isDark();
|
||
},
|
||
isValid: function() {
|
||
return this._ok;
|
||
},
|
||
getFormat: function() {
|
||
return this._format;
|
||
},
|
||
getAlpha: function() {
|
||
return this._a;
|
||
},
|
||
getBrightness: function() {
|
||
var rgb = this.toRgb();
|
||
return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;
|
||
},
|
||
setAlpha: function(value) {
|
||
this._a = boundAlpha(value);
|
||
this._roundA = mathRound(100*this._a) / 100;
|
||
return this;
|
||
},
|
||
toHsv: function() {
|
||
var hsv = rgbToHsv(this._r, this._g, this._b);
|
||
return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a };
|
||
},
|
||
toHsvString: function() {
|
||
var hsv = rgbToHsv(this._r, this._g, this._b);
|
||
var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
|
||
return (this._a == 1) ?
|
||
"hsv(" + h + ", " + s + "%, " + v + "%)" :
|
||
"hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")";
|
||
},
|
||
toHsl: function() {
|
||
var hsl = rgbToHsl(this._r, this._g, this._b);
|
||
return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a };
|
||
},
|
||
toHslString: function() {
|
||
var hsl = rgbToHsl(this._r, this._g, this._b);
|
||
var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
|
||
return (this._a == 1) ?
|
||
"hsl(" + h + ", " + s + "%, " + l + "%)" :
|
||
"hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")";
|
||
},
|
||
toHex: function(allow3Char) {
|
||
return rgbToHex(this._r, this._g, this._b, allow3Char);
|
||
},
|
||
toHexString: function(allow3Char) {
|
||
return '#' + this.toHex(allow3Char);
|
||
},
|
||
toHex8: function() {
|
||
return rgbaToHex(this._r, this._g, this._b, this._a);
|
||
},
|
||
toHex8String: function() {
|
||
return '#' + this.toHex8();
|
||
},
|
||
toRgb: function() {
|
||
return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
|
||
},
|
||
toRgbString: function() {
|
||
return (this._a == 1) ?
|
||
"rgb(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" :
|
||
"rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")";
|
||
},
|
||
toPercentageRgb: function() {
|
||
return { r: mathRound(bound01(this._r, 255) * 100) + "%", g: mathRound(bound01(this._g, 255) * 100) + "%", b: mathRound(bound01(this._b, 255) * 100) + "%", a: this._a };
|
||
},
|
||
toPercentageRgbString: function() {
|
||
return (this._a == 1) ?
|
||
"rgb(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" :
|
||
"rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")";
|
||
},
|
||
toName: function() {
|
||
if (this._a === 0) {
|
||
return "transparent";
|
||
}
|
||
|
||
if (this._a < 1) {
|
||
return false;
|
||
}
|
||
|
||
return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false;
|
||
},
|
||
toFilter: function(secondColor) {
|
||
var hex8String = '#' + rgbaToHex(this._r, this._g, this._b, this._a);
|
||
var secondHex8String = hex8String;
|
||
var gradientType = this._gradientType ? "GradientType = 1, " : "";
|
||
|
||
if (secondColor) {
|
||
var s = tinycolor(secondColor);
|
||
secondHex8String = s.toHex8String();
|
||
}
|
||
|
||
return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")";
|
||
},
|
||
toString: function(format) {
|
||
var formatSet = !!format;
|
||
format = format || this._format;
|
||
|
||
var formattedString = false;
|
||
var hasAlpha = this._a < 1 && this._a >= 0;
|
||
var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "name");
|
||
|
||
if (needsAlphaFormat) {
|
||
// Special case for "transparent", all other non-alpha formats
|
||
// will return rgba when there is transparency.
|
||
if (format === "name" && this._a === 0) {
|
||
return this.toName();
|
||
}
|
||
return this.toRgbString();
|
||
}
|
||
if (format === "rgb") {
|
||
formattedString = this.toRgbString();
|
||
}
|
||
if (format === "prgb") {
|
||
formattedString = this.toPercentageRgbString();
|
||
}
|
||
if (format === "hex" || format === "hex6") {
|
||
formattedString = this.toHexString();
|
||
}
|
||
if (format === "hex3") {
|
||
formattedString = this.toHexString(true);
|
||
}
|
||
if (format === "hex8") {
|
||
formattedString = this.toHex8String();
|
||
}
|
||
if (format === "name") {
|
||
formattedString = this.toName();
|
||
}
|
||
if (format === "hsl") {
|
||
formattedString = this.toHslString();
|
||
}
|
||
if (format === "hsv") {
|
||
formattedString = this.toHsvString();
|
||
}
|
||
|
||
return formattedString || this.toHexString();
|
||
},
|
||
|
||
_applyModification: function(fn, args) {
|
||
var color = fn.apply(null, [this].concat([].slice.call(args)));
|
||
this._r = color._r;
|
||
this._g = color._g;
|
||
this._b = color._b;
|
||
this.setAlpha(color._a);
|
||
return this;
|
||
},
|
||
lighten: function() {
|
||
return this._applyModification(lighten, arguments);
|
||
},
|
||
brighten: function() {
|
||
return this._applyModification(brighten, arguments);
|
||
},
|
||
darken: function() {
|
||
return this._applyModification(darken, arguments);
|
||
},
|
||
desaturate: function() {
|
||
return this._applyModification(desaturate, arguments);
|
||
},
|
||
saturate: function() {
|
||
return this._applyModification(saturate, arguments);
|
||
},
|
||
greyscale: function() {
|
||
return this._applyModification(greyscale, arguments);
|
||
},
|
||
spin: function() {
|
||
return this._applyModification(spin, arguments);
|
||
},
|
||
|
||
_applyCombination: function(fn, args) {
|
||
return fn.apply(null, [this].concat([].slice.call(args)));
|
||
},
|
||
analogous: function() {
|
||
return this._applyCombination(analogous, arguments);
|
||
},
|
||
complement: function() {
|
||
return this._applyCombination(complement, arguments);
|
||
},
|
||
monochromatic: function() {
|
||
return this._applyCombination(monochromatic, arguments);
|
||
},
|
||
splitcomplement: function() {
|
||
return this._applyCombination(splitcomplement, arguments);
|
||
},
|
||
triad: function() {
|
||
return this._applyCombination(triad, arguments);
|
||
},
|
||
tetrad: function() {
|
||
return this._applyCombination(tetrad, arguments);
|
||
}
|
||
};
|
||
|
||
// If input is an object, force 1 into "1.0" to handle ratios properly
|
||
// String input requires "1.0" as input, so 1 will be treated as 1
|
||
tinycolor.fromRatio = function(color, opts) {
|
||
if (typeof color == "object") {
|
||
var newColor = {};
|
||
for (var i in color) {
|
||
if (color.hasOwnProperty(i)) {
|
||
if (i === "a") {
|
||
newColor[i] = color[i];
|
||
}
|
||
else {
|
||
newColor[i] = convertToPercentage(color[i]);
|
||
}
|
||
}
|
||
}
|
||
color = newColor;
|
||
}
|
||
|
||
return tinycolor(color, opts);
|
||
};
|
||
|
||
// Given a string or object, convert that input to RGB
|
||
// Possible string inputs:
|
||
//
|
||
// "red"
|
||
// "#f00" or "f00"
|
||
// "#ff0000" or "ff0000"
|
||
// "#ff000000" or "ff000000"
|
||
// "rgb 255 0 0" or "rgb (255, 0, 0)"
|
||
// "rgb 1.0 0 0" or "rgb (1, 0, 0)"
|
||
// "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
|
||
// "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
|
||
// "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
|
||
// "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
|
||
// "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
|
||
//
|
||
function inputToRGB(color) {
|
||
|
||
var rgb = { r: 0, g: 0, b: 0 };
|
||
var a = 1;
|
||
var ok = false;
|
||
var format = false;
|
||
|
||
if (typeof color == "string") {
|
||
color = stringInputToObject(color);
|
||
}
|
||
|
||
if (typeof color == "object") {
|
||
if (color.hasOwnProperty("r") && color.hasOwnProperty("g") && color.hasOwnProperty("b")) {
|
||
rgb = rgbToRgb(color.r, color.g, color.b);
|
||
ok = true;
|
||
format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
|
||
}
|
||
else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("v")) {
|
||
color.s = convertToPercentage(color.s);
|
||
color.v = convertToPercentage(color.v);
|
||
rgb = hsvToRgb(color.h, color.s, color.v);
|
||
ok = true;
|
||
format = "hsv";
|
||
}
|
||
else if (color.hasOwnProperty("h") && color.hasOwnProperty("s") && color.hasOwnProperty("l")) {
|
||
color.s = convertToPercentage(color.s);
|
||
color.l = convertToPercentage(color.l);
|
||
rgb = hslToRgb(color.h, color.s, color.l);
|
||
ok = true;
|
||
format = "hsl";
|
||
}
|
||
|
||
if (color.hasOwnProperty("a")) {
|
||
a = color.a;
|
||
}
|
||
}
|
||
|
||
a = boundAlpha(a);
|
||
|
||
return {
|
||
ok: ok,
|
||
format: color.format || format,
|
||
r: mathMin(255, mathMax(rgb.r, 0)),
|
||
g: mathMin(255, mathMax(rgb.g, 0)),
|
||
b: mathMin(255, mathMax(rgb.b, 0)),
|
||
a: a
|
||
};
|
||
}
|
||
|
||
|
||
// Conversion Functions
|
||
// --------------------
|
||
|
||
// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
|
||
// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
|
||
|
||
// `rgbToRgb`
|
||
// Handle bounds / percentage checking to conform to CSS color spec
|
||
// <http://www.w3.org/TR/css3-color/>
|
||
// *Assumes:* r, g, b in [0, 255] or [0, 1]
|
||
// *Returns:* { r, g, b } in [0, 255]
|
||
function rgbToRgb(r, g, b){
|
||
return {
|
||
r: bound01(r, 255) * 255,
|
||
g: bound01(g, 255) * 255,
|
||
b: bound01(b, 255) * 255
|
||
};
|
||
}
|
||
|
||
// `rgbToHsl`
|
||
// Converts an RGB color value to HSL.
|
||
// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
|
||
// *Returns:* { h, s, l } in [0,1]
|
||
function rgbToHsl(r, g, b) {
|
||
|
||
r = bound01(r, 255);
|
||
g = bound01(g, 255);
|
||
b = bound01(b, 255);
|
||
|
||
var max = mathMax(r, g, b), min = mathMin(r, g, b);
|
||
var h, s, l = (max + min) / 2;
|
||
|
||
if(max == min) {
|
||
h = s = 0; // achromatic
|
||
}
|
||
else {
|
||
var d = max - min;
|
||
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
|
||
switch(max) {
|
||
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
|
||
case g: h = (b - r) / d + 2; break;
|
||
case b: h = (r - g) / d + 4; break;
|
||
}
|
||
|
||
h /= 6;
|
||
}
|
||
|
||
return { h: h, s: s, l: l };
|
||
}
|
||
|
||
// `hslToRgb`
|
||
// Converts an HSL color value to RGB.
|
||
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
|
||
// *Returns:* { r, g, b } in the set [0, 255]
|
||
function hslToRgb(h, s, l) {
|
||
var r, g, b;
|
||
|
||
h = bound01(h, 360);
|
||
s = bound01(s, 100);
|
||
l = bound01(l, 100);
|
||
|
||
function hue2rgb(p, q, t) {
|
||
if(t < 0) t += 1;
|
||
if(t > 1) t -= 1;
|
||
if(t < 1/6) return p + (q - p) * 6 * t;
|
||
if(t < 1/2) return q;
|
||
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
|
||
return p;
|
||
}
|
||
|
||
if(s === 0) {
|
||
r = g = b = l; // achromatic
|
||
}
|
||
else {
|
||
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
|
||
var p = 2 * l - q;
|
||
r = hue2rgb(p, q, h + 1/3);
|
||
g = hue2rgb(p, q, h);
|
||
b = hue2rgb(p, q, h - 1/3);
|
||
}
|
||
|
||
return { r: r * 255, g: g * 255, b: b * 255 };
|
||
}
|
||
|
||
// `rgbToHsv`
|
||
// Converts an RGB color value to HSV
|
||
// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
|
||
// *Returns:* { h, s, v } in [0,1]
|
||
function rgbToHsv(r, g, b) {
|
||
|
||
r = bound01(r, 255);
|
||
g = bound01(g, 255);
|
||
b = bound01(b, 255);
|
||
|
||
var max = mathMax(r, g, b), min = mathMin(r, g, b);
|
||
var h, s, v = max;
|
||
|
||
var d = max - min;
|
||
s = max === 0 ? 0 : d / max;
|
||
|
||
if(max == min) {
|
||
h = 0; // achromatic
|
||
}
|
||
else {
|
||
switch(max) {
|
||
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
|
||
case g: h = (b - r) / d + 2; break;
|
||
case b: h = (r - g) / d + 4; break;
|
||
}
|
||
h /= 6;
|
||
}
|
||
return { h: h, s: s, v: v };
|
||
}
|
||
|
||
// `hsvToRgb`
|
||
// Converts an HSV color value to RGB.
|
||
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
|
||
// *Returns:* { r, g, b } in the set [0, 255]
|
||
function hsvToRgb(h, s, v) {
|
||
|
||
h = bound01(h, 360) * 6;
|
||
s = bound01(s, 100);
|
||
v = bound01(v, 100);
|
||
|
||
var i = math.floor(h),
|
||
f = h - i,
|
||
p = v * (1 - s),
|
||
q = v * (1 - f * s),
|
||
t = v * (1 - (1 - f) * s),
|
||
mod = i % 6,
|
||
r = [v, q, p, p, t, v][mod],
|
||
g = [t, v, v, q, p, p][mod],
|
||
b = [p, p, t, v, v, q][mod];
|
||
|
||
return { r: r * 255, g: g * 255, b: b * 255 };
|
||
}
|
||
|
||
// `rgbToHex`
|
||
// Converts an RGB color to hex
|
||
// Assumes r, g, and b are contained in the set [0, 255]
|
||
// Returns a 3 or 6 character hex
|
||
function rgbToHex(r, g, b, allow3Char) {
|
||
|
||
var hex = [
|
||
pad2(mathRound(r).toString(16)),
|
||
pad2(mathRound(g).toString(16)),
|
||
pad2(mathRound(b).toString(16))
|
||
];
|
||
|
||
// Return a 3 character hex if possible
|
||
if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) {
|
||
return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
|
||
}
|
||
|
||
return hex.join("");
|
||
}
|
||
// `rgbaToHex`
|
||
// Converts an RGBA color plus alpha transparency to hex
|
||
// Assumes r, g, b and a are contained in the set [0, 255]
|
||
// Returns an 8 character hex
|
||
function rgbaToHex(r, g, b, a) {
|
||
|
||
var hex = [
|
||
pad2(convertDecimalToHex(a)),
|
||
pad2(mathRound(r).toString(16)),
|
||
pad2(mathRound(g).toString(16)),
|
||
pad2(mathRound(b).toString(16))
|
||
];
|
||
|
||
return hex.join("");
|
||
}
|
||
|
||
// `equals`
|
||
// Can be called with any tinycolor input
|
||
tinycolor.equals = function (color1, color2) {
|
||
if (!color1 || !color2) { return false; }
|
||
return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
|
||
};
|
||
tinycolor.random = function() {
|
||
return tinycolor.fromRatio({
|
||
r: mathRandom(),
|
||
g: mathRandom(),
|
||
b: mathRandom()
|
||
});
|
||
};
|
||
|
||
|
||
// Modification Functions
|
||
// ----------------------
|
||
// Thanks to less.js for some of the basics here
|
||
// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>
|
||
|
||
function desaturate(color, amount) {
|
||
amount = (amount === 0) ? 0 : (amount || 10);
|
||
var hsl = tinycolor(color).toHsl();
|
||
hsl.s -= amount / 100;
|
||
hsl.s = clamp01(hsl.s);
|
||
return tinycolor(hsl);
|
||
}
|
||
|
||
function saturate(color, amount) {
|
||
amount = (amount === 0) ? 0 : (amount || 10);
|
||
var hsl = tinycolor(color).toHsl();
|
||
hsl.s += amount / 100;
|
||
hsl.s = clamp01(hsl.s);
|
||
return tinycolor(hsl);
|
||
}
|
||
|
||
function greyscale(color) {
|
||
return tinycolor(color).desaturate(100);
|
||
}
|
||
|
||
function lighten (color, amount) {
|
||
amount = (amount === 0) ? 0 : (amount || 10);
|
||
var hsl = tinycolor(color).toHsl();
|
||
hsl.l += amount / 100;
|
||
hsl.l = clamp01(hsl.l);
|
||
return tinycolor(hsl);
|
||
}
|
||
|
||
function brighten(color, amount) {
|
||
amount = (amount === 0) ? 0 : (amount || 10);
|
||
var rgb = tinycolor(color).toRgb();
|
||
rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100))));
|
||
rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100))));
|
||
rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100))));
|
||
return tinycolor(rgb);
|
||
}
|
||
|
||
function darken (color, amount) {
|
||
amount = (amount === 0) ? 0 : (amount || 10);
|
||
var hsl = tinycolor(color).toHsl();
|
||
hsl.l -= amount / 100;
|
||
hsl.l = clamp01(hsl.l);
|
||
return tinycolor(hsl);
|
||
}
|
||
|
||
// Spin takes a positive or negative amount within [-360, 360] indicating the change of hue.
|
||
// Values outside of this range will be wrapped into this range.
|
||
function spin(color, amount) {
|
||
var hsl = tinycolor(color).toHsl();
|
||
var hue = (mathRound(hsl.h) + amount) % 360;
|
||
hsl.h = hue < 0 ? 360 + hue : hue;
|
||
return tinycolor(hsl);
|
||
}
|
||
|
||
// Combination Functions
|
||
// ---------------------
|
||
// Thanks to jQuery xColor for some of the ideas behind these
|
||
// <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>
|
||
|
||
function complement(color) {
|
||
var hsl = tinycolor(color).toHsl();
|
||
hsl.h = (hsl.h + 180) % 360;
|
||
return tinycolor(hsl);
|
||
}
|
||
|
||
function triad(color) {
|
||
var hsl = tinycolor(color).toHsl();
|
||
var h = hsl.h;
|
||
return [
|
||
tinycolor(color),
|
||
tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
|
||
tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
|
||
];
|
||
}
|
||
|
||
function tetrad(color) {
|
||
var hsl = tinycolor(color).toHsl();
|
||
var h = hsl.h;
|
||
return [
|
||
tinycolor(color),
|
||
tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
|
||
tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
|
||
tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
|
||
];
|
||
}
|
||
|
||
function splitcomplement(color) {
|
||
var hsl = tinycolor(color).toHsl();
|
||
var h = hsl.h;
|
||
return [
|
||
tinycolor(color),
|
||
tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
|
||
tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
|
||
];
|
||
}
|
||
|
||
function analogous(color, results, slices) {
|
||
results = results || 6;
|
||
slices = slices || 30;
|
||
|
||
var hsl = tinycolor(color).toHsl();
|
||
var part = 360 / slices;
|
||
var ret = [tinycolor(color)];
|
||
|
||
for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
|
||
hsl.h = (hsl.h + part) % 360;
|
||
ret.push(tinycolor(hsl));
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
function monochromatic(color, results) {
|
||
results = results || 6;
|
||
var hsv = tinycolor(color).toHsv();
|
||
var h = hsv.h, s = hsv.s, v = hsv.v;
|
||
var ret = [];
|
||
var modification = 1 / results;
|
||
|
||
while (results--) {
|
||
ret.push(tinycolor({ h: h, s: s, v: v}));
|
||
v = (v + modification) % 1;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
// Utility Functions
|
||
// ---------------------
|
||
|
||
tinycolor.mix = function(color1, color2, amount) {
|
||
amount = (amount === 0) ? 0 : (amount || 50);
|
||
|
||
var rgb1 = tinycolor(color1).toRgb();
|
||
var rgb2 = tinycolor(color2).toRgb();
|
||
|
||
var p = amount / 100;
|
||
var w = p * 2 - 1;
|
||
var a = rgb2.a - rgb1.a;
|
||
|
||
var w1;
|
||
|
||
if (w * a == -1) {
|
||
w1 = w;
|
||
} else {
|
||
w1 = (w + a) / (1 + w * a);
|
||
}
|
||
|
||
w1 = (w1 + 1) / 2;
|
||
|
||
var w2 = 1 - w1;
|
||
|
||
var rgba = {
|
||
r: rgb2.r * w1 + rgb1.r * w2,
|
||
g: rgb2.g * w1 + rgb1.g * w2,
|
||
b: rgb2.b * w1 + rgb1.b * w2,
|
||
a: rgb2.a * p + rgb1.a * (1 - p)
|
||
};
|
||
|
||
return tinycolor(rgba);
|
||
};
|
||
|
||
|
||
// Readability Functions
|
||
// ---------------------
|
||
// <http://www.w3.org/TR/AERT#color-contrast>
|
||
|
||
// `readability`
|
||
// Analyze the 2 colors and returns an object with the following properties:
|
||
// `brightness`: difference in brightness between the two colors
|
||
// `color`: difference in color/hue between the two colors
|
||
tinycolor.readability = function(color1, color2) {
|
||
var c1 = tinycolor(color1);
|
||
var c2 = tinycolor(color2);
|
||
var rgb1 = c1.toRgb();
|
||
var rgb2 = c2.toRgb();
|
||
var brightnessA = c1.getBrightness();
|
||
var brightnessB = c2.getBrightness();
|
||
var colorDiff = (
|
||
Math.max(rgb1.r, rgb2.r) - Math.min(rgb1.r, rgb2.r) +
|
||
Math.max(rgb1.g, rgb2.g) - Math.min(rgb1.g, rgb2.g) +
|
||
Math.max(rgb1.b, rgb2.b) - Math.min(rgb1.b, rgb2.b)
|
||
);
|
||
|
||
return {
|
||
brightness: Math.abs(brightnessA - brightnessB),
|
||
color: colorDiff
|
||
};
|
||
};
|
||
|
||
// `readable`
|
||
// http://www.w3.org/TR/AERT#color-contrast
|
||
// Ensure that foreground and background color combinations provide sufficient contrast.
|
||
// *Example*
|
||
// tinycolor.isReadable("#000", "#111") => false
|
||
tinycolor.isReadable = function(color1, color2) {
|
||
var readability = tinycolor.readability(color1, color2);
|
||
return readability.brightness > 125 && readability.color > 500;
|
||
};
|
||
|
||
// `mostReadable`
|
||
// Given a base color and a list of possible foreground or background
|
||
// colors for that base, returns the most readable color.
|
||
// *Example*
|
||
// tinycolor.mostReadable("#123", ["#fff", "#000"]) => "#000"
|
||
tinycolor.mostReadable = function(baseColor, colorList) {
|
||
var bestColor = null;
|
||
var bestScore = 0;
|
||
var bestIsReadable = false;
|
||
for (var i=0; i < colorList.length; i++) {
|
||
|
||
// We normalize both around the "acceptable" breaking point,
|
||
// but rank brightness constrast higher than hue.
|
||
|
||
var readability = tinycolor.readability(baseColor, colorList[i]);
|
||
var readable = readability.brightness > 125 && readability.color > 500;
|
||
var score = 3 * (readability.brightness / 125) + (readability.color / 500);
|
||
|
||
if ((readable && ! bestIsReadable) ||
|
||
(readable && bestIsReadable && score > bestScore) ||
|
||
((! readable) && (! bestIsReadable) && score > bestScore)) {
|
||
bestIsReadable = readable;
|
||
bestScore = score;
|
||
bestColor = tinycolor(colorList[i]);
|
||
}
|
||
}
|
||
return bestColor;
|
||
};
|
||
|
||
|
||
// Big List of Colors
|
||
// ------------------
|
||
// <http://www.w3.org/TR/css3-color/#svg-color>
|
||
var names = tinycolor.names = {
|
||
aliceblue: "f0f8ff",
|
||
antiquewhite: "faebd7",
|
||
aqua: "0ff",
|
||
aquamarine: "7fffd4",
|
||
azure: "f0ffff",
|
||
beige: "f5f5dc",
|
||
bisque: "ffe4c4",
|
||
black: "000",
|
||
blanchedalmond: "ffebcd",
|
||
blue: "00f",
|
||
blueviolet: "8a2be2",
|
||
brown: "a52a2a",
|
||
burlywood: "deb887",
|
||
burntsienna: "ea7e5d",
|
||
cadetblue: "5f9ea0",
|
||
chartreuse: "7fff00",
|
||
chocolate: "d2691e",
|
||
coral: "ff7f50",
|
||
cornflowerblue: "6495ed",
|
||
cornsilk: "fff8dc",
|
||
crimson: "dc143c",
|
||
cyan: "0ff",
|
||
darkblue: "00008b",
|
||
darkcyan: "008b8b",
|
||
darkgoldenrod: "b8860b",
|
||
darkgray: "a9a9a9",
|
||
darkgreen: "006400",
|
||
darkgrey: "a9a9a9",
|
||
darkkhaki: "bdb76b",
|
||
darkmagenta: "8b008b",
|
||
darkolivegreen: "556b2f",
|
||
darkorange: "ff8c00",
|
||
darkorchid: "9932cc",
|
||
darkred: "8b0000",
|
||
darksalmon: "e9967a",
|
||
darkseagreen: "8fbc8f",
|
||
darkslateblue: "483d8b",
|
||
darkslategray: "2f4f4f",
|
||
darkslategrey: "2f4f4f",
|
||
darkturquoise: "00ced1",
|
||
darkviolet: "9400d3",
|
||
deeppink: "ff1493",
|
||
deepskyblue: "00bfff",
|
||
dimgray: "696969",
|
||
dimgrey: "696969",
|
||
dodgerblue: "1e90ff",
|
||
firebrick: "b22222",
|
||
floralwhite: "fffaf0",
|
||
forestgreen: "228b22",
|
||
fuchsia: "f0f",
|
||
gainsboro: "dcdcdc",
|
||
ghostwhite: "f8f8ff",
|
||
gold: "ffd700",
|
||
goldenrod: "daa520",
|
||
gray: "808080",
|
||
green: "008000",
|
||
greenyellow: "adff2f",
|
||
grey: "808080",
|
||
honeydew: "f0fff0",
|
||
hotpink: "ff69b4",
|
||
indianred: "cd5c5c",
|
||
indigo: "4b0082",
|
||
ivory: "fffff0",
|
||
khaki: "f0e68c",
|
||
lavender: "e6e6fa",
|
||
lavenderblush: "fff0f5",
|
||
lawngreen: "7cfc00",
|
||
lemonchiffon: "fffacd",
|
||
lightblue: "add8e6",
|
||
lightcoral: "f08080",
|
||
lightcyan: "e0ffff",
|
||
lightgoldenrodyellow: "fafad2",
|
||
lightgray: "d3d3d3",
|
||
lightgreen: "90ee90",
|
||
lightgrey: "d3d3d3",
|
||
lightpink: "ffb6c1",
|
||
lightsalmon: "ffa07a",
|
||
lightseagreen: "20b2aa",
|
||
lightskyblue: "87cefa",
|
||
lightslategray: "789",
|
||
lightslategrey: "789",
|
||
lightsteelblue: "b0c4de",
|
||
lightyellow: "ffffe0",
|
||
lime: "0f0",
|
||
limegreen: "32cd32",
|
||
linen: "faf0e6",
|
||
magenta: "f0f",
|
||
maroon: "800000",
|
||
mediumaquamarine: "66cdaa",
|
||
mediumblue: "0000cd",
|
||
mediumorchid: "ba55d3",
|
||
mediumpurple: "9370db",
|
||
mediumseagreen: "3cb371",
|
||
mediumslateblue: "7b68ee",
|
||
mediumspringgreen: "00fa9a",
|
||
mediumturquoise: "48d1cc",
|
||
mediumvioletred: "c71585",
|
||
midnightblue: "191970",
|
||
mintcream: "f5fffa",
|
||
mistyrose: "ffe4e1",
|
||
moccasin: "ffe4b5",
|
||
navajowhite: "ffdead",
|
||
navy: "000080",
|
||
oldlace: "fdf5e6",
|
||
olive: "808000",
|
||
olivedrab: "6b8e23",
|
||
orange: "ffa500",
|
||
orangered: "ff4500",
|
||
orchid: "da70d6",
|
||
palegoldenrod: "eee8aa",
|
||
palegreen: "98fb98",
|
||
paleturquoise: "afeeee",
|
||
palevioletred: "db7093",
|
||
papayawhip: "ffefd5",
|
||
peachpuff: "ffdab9",
|
||
peru: "cd853f",
|
||
pink: "ffc0cb",
|
||
plum: "dda0dd",
|
||
powderblue: "b0e0e6",
|
||
purple: "800080",
|
||
red: "f00",
|
||
rosybrown: "bc8f8f",
|
||
royalblue: "4169e1",
|
||
saddlebrown: "8b4513",
|
||
salmon: "fa8072",
|
||
sandybrown: "f4a460",
|
||
seagreen: "2e8b57",
|
||
seashell: "fff5ee",
|
||
sienna: "a0522d",
|
||
silver: "c0c0c0",
|
||
skyblue: "87ceeb",
|
||
slateblue: "6a5acd",
|
||
slategray: "708090",
|
||
slategrey: "708090",
|
||
snow: "fffafa",
|
||
springgreen: "00ff7f",
|
||
steelblue: "4682b4",
|
||
tan: "d2b48c",
|
||
teal: "008080",
|
||
thistle: "d8bfd8",
|
||
tomato: "ff6347",
|
||
turquoise: "40e0d0",
|
||
violet: "ee82ee",
|
||
wheat: "f5deb3",
|
||
white: "fff",
|
||
whitesmoke: "f5f5f5",
|
||
yellow: "ff0",
|
||
yellowgreen: "9acd32"
|
||
};
|
||
|
||
// Make it easy to access colors via `hexNames[hex]`
|
||
var hexNames = tinycolor.hexNames = flip(names);
|
||
|
||
|
||
// Utilities
|
||
// ---------
|
||
|
||
// `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
|
||
function flip(o) {
|
||
var flipped = { };
|
||
for (var i in o) {
|
||
if (o.hasOwnProperty(i)) {
|
||
flipped[o[i]] = i;
|
||
}
|
||
}
|
||
return flipped;
|
||
}
|
||
|
||
// Return a valid alpha value [0,1] with all invalid values being set to 1
|
||
function boundAlpha(a) {
|
||
a = parseFloat(a);
|
||
|
||
if (isNaN(a) || a < 0 || a > 1) {
|
||
a = 1;
|
||
}
|
||
|
||
return a;
|
||
}
|
||
|
||
// Take input from [0, n] and return it as [0, 1]
|
||
function bound01(n, max) {
|
||
if (isOnePointZero(n)) { n = "100%"; }
|
||
|
||
var processPercent = isPercentage(n);
|
||
n = mathMin(max, mathMax(0, parseFloat(n)));
|
||
|
||
// Automatically convert percentage into number
|
||
if (processPercent) {
|
||
n = parseInt(n * max, 10) / 100;
|
||
}
|
||
|
||
// Handle floating point rounding errors
|
||
if ((math.abs(n - max) < 0.000001)) {
|
||
return 1;
|
||
}
|
||
|
||
// Convert into [0, 1] range if it isn't already
|
||
return (n % max) / parseFloat(max);
|
||
}
|
||
|
||
// Force a number between 0 and 1
|
||
function clamp01(val) {
|
||
return mathMin(1, mathMax(0, val));
|
||
}
|
||
|
||
// Parse a base-16 hex value into a base-10 integer
|
||
function parseIntFromHex(val) {
|
||
return parseInt(val, 16);
|
||
}
|
||
|
||
// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
|
||
// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
|
||
function isOnePointZero(n) {
|
||
return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
|
||
}
|
||
|
||
// Check to see if string passed in is a percentage
|
||
function isPercentage(n) {
|
||
return typeof n === "string" && n.indexOf('%') != -1;
|
||
}
|
||
|
||
// Force a hex value to have 2 characters
|
||
function pad2(c) {
|
||
return c.length == 1 ? '0' + c : '' + c;
|
||
}
|
||
|
||
// Replace a decimal with it's percentage value
|
||
function convertToPercentage(n) {
|
||
if (n <= 1) {
|
||
n = (n * 100) + "%";
|
||
}
|
||
|
||
return n;
|
||
}
|
||
|
||
// Converts a decimal to a hex value
|
||
function convertDecimalToHex(d) {
|
||
return Math.round(parseFloat(d) * 255).toString(16);
|
||
}
|
||
// Converts a hex value to a decimal
|
||
function convertHexToDecimal(h) {
|
||
return (parseIntFromHex(h) / 255);
|
||
}
|
||
|
||
var matchers = (function() {
|
||
|
||
// <http://www.w3.org/TR/css3-values/#integers>
|
||
var CSS_INTEGER = "[-\\+]?\\d+%?";
|
||
|
||
// <http://www.w3.org/TR/css3-values/#number-value>
|
||
var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
|
||
|
||
// Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome.
|
||
var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
|
||
|
||
// Actual matching.
|
||
// Parentheses and commas are optional, but not required.
|
||
// Whitespace can take the place of commas or opening paren
|
||
var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
|
||
var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
|
||
|
||
return {
|
||
rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
|
||
rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
|
||
hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
|
||
hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
|
||
hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
|
||
hex3: /^([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
|
||
hex6: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
|
||
hex8: /^([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
|
||
};
|
||
})();
|
||
|
||
// `stringInputToObject`
|
||
// Permissive string parsing. Take in a number of formats, and output an object
|
||
// based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
|
||
function stringInputToObject(color) {
|
||
|
||
color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
|
||
var named = false;
|
||
if (names[color]) {
|
||
color = names[color];
|
||
named = true;
|
||
}
|
||
else if (color == 'transparent') {
|
||
return { r: 0, g: 0, b: 0, a: 0, format: "name" };
|
||
}
|
||
|
||
// Try to match string input using regular expressions.
|
||
// Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
|
||
// Just return an object and let the conversion functions handle that.
|
||
// This way the result will be the same whether the tinycolor is initialized with string or object.
|
||
var match;
|
||
if ((match = matchers.rgb.exec(color))) {
|
||
return { r: match[1], g: match[2], b: match[3] };
|
||
}
|
||
if ((match = matchers.rgba.exec(color))) {
|
||
return { r: match[1], g: match[2], b: match[3], a: match[4] };
|
||
}
|
||
if ((match = matchers.hsl.exec(color))) {
|
||
return { h: match[1], s: match[2], l: match[3] };
|
||
}
|
||
if ((match = matchers.hsla.exec(color))) {
|
||
return { h: match[1], s: match[2], l: match[3], a: match[4] };
|
||
}
|
||
if ((match = matchers.hsv.exec(color))) {
|
||
return { h: match[1], s: match[2], v: match[3] };
|
||
}
|
||
if ((match = matchers.hex8.exec(color))) {
|
||
return {
|
||
a: convertHexToDecimal(match[1]),
|
||
r: parseIntFromHex(match[2]),
|
||
g: parseIntFromHex(match[3]),
|
||
b: parseIntFromHex(match[4]),
|
||
format: named ? "name" : "hex8"
|
||
};
|
||
}
|
||
if ((match = matchers.hex6.exec(color))) {
|
||
return {
|
||
r: parseIntFromHex(match[1]),
|
||
g: parseIntFromHex(match[2]),
|
||
b: parseIntFromHex(match[3]),
|
||
format: named ? "name" : "hex"
|
||
};
|
||
}
|
||
if ((match = matchers.hex3.exec(color))) {
|
||
return {
|
||
r: parseIntFromHex(match[1] + '' + match[1]),
|
||
g: parseIntFromHex(match[2] + '' + match[2]),
|
||
b: parseIntFromHex(match[3] + '' + match[3]),
|
||
format: named ? "name" : "hex"
|
||
};
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
// Node: Export function
|
||
if (typeof module !== "undefined" && module.exports) {
|
||
module.exports = tinycolor;
|
||
}
|
||
// AMD/requirejs: Define the module
|
||
else if (typeof define === 'function' && define.amd) {
|
||
define(function () {return tinycolor;});
|
||
}
|
||
// Browser: Expose to window
|
||
else {
|
||
window.tinycolor = tinycolor;
|
||
}
|
||
|
||
})();
|
||
|
||
/*!
|
||
* Bootstrap v3.2.0 (http://getbootstrap.com)
|
||
* Copyright 2011-2014 Twitter, Inc.
|
||
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
|
||
*/
|
||
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|
||
/*!
|
||
* Bootstrap-select v1.6.2 (http://silviomoreto.github.io/bootstrap-select/)
|
||
*
|
||
* Copyright 2013-2014 bootstrap-select
|
||
* Licensed under MIT (https://github.com/silviomoreto/bootstrap-select/blob/master/LICENSE)
|
||
*/
|
||
!function(a){"use strict";function b(b,d){var e=arguments,b=e[0],d=e[1];[].shift.apply(e);var f,g=this.each(function(){var g=a(this);if(g.is("select")){var h=g.data("selectpicker"),i="object"==typeof b&&b;if(h){if(i)for(var j in i)i.hasOwnProperty(j)&&(h.options[j]=i[j])}else{var k=a.extend({},c.DEFAULTS,a.fn.selectpicker.defaults,g.data(),i);g.data("selectpicker",h=new c(this,k,d))}"string"==typeof b&&(f=h[b]instanceof Function?h[b].apply(h,e):h.options[b])}});return"undefined"!=typeof f?f:g}a.expr[":"].icontains=function(b,c,d){return a(b).text().toUpperCase().indexOf(d[3].toUpperCase())>=0};var c=function(b,d,e){e&&(e.stopPropagation(),e.preventDefault()),this.$element=a(b),this.$newElement=null,this.$button=null,this.$menu=null,this.$lis=null,this.options=d,null===this.options.title&&(this.options.title=this.$element.attr("title")),this.val=c.prototype.val,this.render=c.prototype.render,this.refresh=c.prototype.refresh,this.setStyle=c.prototype.setStyle,this.selectAll=c.prototype.selectAll,this.deselectAll=c.prototype.deselectAll,this.destroy=c.prototype.remove,this.remove=c.prototype.remove,this.show=c.prototype.show,this.hide=c.prototype.hide,this.init()};c.VERSION="1.6.2",c.DEFAULTS={noneSelectedText:"Nothing selected",noneResultsText:"No results match",countSelectedText:"{0} of {1} selected",maxOptionsText:["Limit reached ({n} {var} max)","Group limit reached ({n} {var} max)",["items","item"]],multipleSeparator:", ",style:"btn-default",size:"auto",title:null,selectedTextFormat:"values",width:!1,container:!1,hideDisabled:!1,showSubtext:!1,showIcon:!0,showContent:!0,dropupAuto:!0,header:!1,liveSearch:!1,actionsBox:!1,iconBase:"glyphicon",tickIcon:"glyphicon-ok",maxOptions:!1,mobile:!1,selectOnTab:!1,dropdownAlignRight:!1},c.prototype={constructor:c,init:function(){var b=this,c=this.$element.attr("id");this.$element.hide(),this.multiple=this.$element.prop("multiple"),this.autofocus=this.$element.prop("autofocus"),this.$newElement=this.createView(),this.$element.after(this.$newElement),this.$menu=this.$newElement.find("> .dropdown-menu"),this.$button=this.$newElement.find("> button"),this.$searchbox=this.$newElement.find("input"),this.options.dropdownAlignRight&&this.$menu.addClass("pull-right"),"undefined"!=typeof c&&(this.$button.attr("data-id",c),a('label[for="'+c+'"]').click(function(a){a.preventDefault(),b.$button.focus()})),this.checkDisabled(),this.clickListener(),this.options.liveSearch&&this.liveSearchListener(),this.render(),this.liHeight(),this.setStyle(),this.setWidth(),this.options.container&&this.selectPosition(),this.$menu.data("this",this),this.$newElement.data("this",this),this.options.mobile&&this.mobile()},createDropdown:function(){var b=this.multiple?" show-tick":"",c=this.$element.parent().hasClass("input-group")?" input-group-btn":"",d=this.autofocus?" autofocus":"",e=this.options.header?'<div class="popover-title"><button type="button" class="close" aria-hidden="true">×</button>'+this.options.header+"</div>":"",f=this.options.liveSearch?'<div class="bootstrap-select-searchbox"><input type="text" class="input-block-level form-control" autocomplete="off" /></div>':"",g=this.options.actionsBox?'<div class="bs-actionsbox"><div class="btn-group btn-block"><button class="actions-btn bs-select-all btn btn-sm btn-default">Select All</button><button class="actions-btn bs-deselect-all btn btn-sm btn-default">Deselect All</button></div></div>':"",h='<div class="btn-group bootstrap-select'+b+c+'"><button type="button" class="btn dropdown-toggle selectpicker" data-toggle="dropdown"'+d+'><span class="filter-option pull-left"></span> <span class="caret"></span></button><div class="dropdown-menu open">'+e+f+g+'<ul class="dropdown-menu inner selectpicker" role="menu"></ul></div></div>';return a(h)},createView:function(){var a=this.createDropdown(),b=this.createLi();return a.find("ul").append(b),a},reloadLi:function(){this.destroyLi();var a=this.createLi();this.$menu.find("ul").append(a)},destroyLi:function(){this.$menu.find("li").remove()},createLi:function(){var b=this,c=[],d="",e=0;return this.$element.find("option").each(function(){var d=a(this),f=d.attr("class")||"",g=d.attr("style")||"",h=d.data("content")?d.data("content"):d.html(),i="undefined"!=typeof d.data("subtext")?'<small class="muted text-muted">'+d.data("subtext")+"</small>":"",j="undefined"!=typeof d.data("icon")?'<i class="'+b.options.iconBase+" "+d.data("icon")+'"></i> ':"";if(""!==j&&(d.is(":disabled")||d.parent().is(":disabled"))&&(j="<span>"+j+"</span>"),d.data("content")||(h=j+'<span class="text">'+h+i+"</span>"),b.options.hideDisabled&&(d.is(":disabled")||d.parent().is(":disabled")))c.push('<a style="min-height: 0; padding: 0"></a>');else if(d.parent().is("optgroup")&&d.data("divider")!==!0)if(0===d.index()){var k=d.parent().attr("label"),l="undefined"!=typeof d.parent().data("subtext")?'<small class="muted text-muted">'+d.parent().data("subtext")+"</small>":"",m=d.parent().data("icon")?'<i class="'+b.options.iconBase+" "+d.parent().data("icon")+'"></i> ':"";k=m+'<span class="text">'+k+l+"</span>",e+=1,c.push(0!==d[0].index?'<div class="div-contain"><div class="divider"></div></div><dt>'+k+"</dt>"+b.createA(h,"opt "+f,g,e):"<dt>"+k+"</dt>"+b.createA(h,"opt "+f,g,e))}else c.push(b.createA(h,"opt "+f,g,e));else c.push(d.data("divider")===!0?'<div class="div-contain"><div class="divider"></div></div>':a(this).data("hidden")===!0?"<a></a>":b.createA(h,f,g))}),a.each(c,function(a,b){var c="<a></a>"===b?'class="hide is-hidden"':"";d+='<li rel="'+a+'"'+c+">"+b+"</li>"}),this.multiple||0!==this.$element.find("option:selected").length||this.options.title||this.$element.find("option").eq(0).prop("selected",!0).attr("selected","selected"),a(d)},createA:function(a,b,c,d){return'<a tabindex="0" class="'+b+'" style="'+c+'"'+("undefined"!=typeof d?'data-optgroup="'+d+'"':"")+">"+a+'<i class="'+this.options.iconBase+" "+this.options.tickIcon+' icon-ok check-mark"></i></a>'},render:function(b){var c=this;b!==!1&&this.$element.find("option").each(function(b){c.setDisabled(b,a(this).is(":disabled")||a(this).parent().is(":disabled")),c.setSelected(b,a(this).is(":selected"))}),this.tabIndex();var d=this.$element.find("option:selected").map(function(){var b,d=a(this),e=d.data("icon")&&c.options.showIcon?'<i class="'+c.options.iconBase+" "+d.data("icon")+'"></i> ':"";return b=c.options.showSubtext&&d.attr("data-subtext")&&!c.multiple?' <small class="muted text-muted">'+d.data("subtext")+"</small>":"",d.data("content")&&c.options.showContent?d.data("content"):"undefined"!=typeof d.attr("title")?d.attr("title"):e+d.html()+b}).toArray(),e=this.multiple?d.join(this.options.multipleSeparator):d[0];if(this.multiple&&this.options.selectedTextFormat.indexOf("count")>-1){var f=this.options.selectedTextFormat.split(">"),g=this.options.hideDisabled?":not([disabled])":"";(f.length>1&&d.length>f[1]||1==f.length&&d.length>=2)&&(e=this.options.countSelectedText.replace("{0}",d.length).replace("{1}",this.$element.find('option:not([data-divider="true"], [data-hidden="true"])'+g).length))}this.options.title=this.$element.attr("title"),"static"==this.options.selectedTextFormat&&(e=this.options.title),e||(e="undefined"!=typeof this.options.title?this.options.title:this.options.noneSelectedText),this.$button.attr("title",a.trim(a("<div/>").html(e).text()).replace(/\s\s+/g," ")),this.$newElement.find(".filter-option").html(e)},setStyle:function(a,b){this.$element.attr("class")&&this.$newElement.addClass(this.$element.attr("class").replace(/selectpicker|mobile-device|validate\[.*\]/gi,""));var c=a?a:this.options.style;"add"==b?this.$button.addClass(c):"remove"==b?this.$button.removeClass(c):(this.$button.removeClass(this.options.style),this.$button.addClass(c))},liHeight:function(){if(this.options.size!==!1){var a=this.$menu.parent().clone().find("> .dropdown-toggle").prop("autofocus",!1).end().appendTo("body"),b=a.addClass("open").find("> .dropdown-menu"),c=b.find("li > a").outerHeight(),d=this.options.header?b.find(".popover-title").outerHeight():0,e=this.options.liveSearch?b.find(".bootstrap-select-searchbox").outerHeight():0,f=this.options.actionsBox?b.find(".bs-actionsbox").outerHeight():0;a.remove(),this.$newElement.data("liHeight",c).data("headerHeight",d).data("searchHeight",e).data("actionsHeight",f)}},setSize:function(){var b,c,d,e=this,f=this.$menu,g=f.find(".inner"),h=this.$newElement.outerHeight(),i=this.$newElement.data("liHeight"),j=this.$newElement.data("headerHeight"),k=this.$newElement.data("searchHeight"),l=this.$newElement.data("actionsHeight"),m=f.find("li .divider").outerHeight(!0),n=parseInt(f.css("padding-top"))+parseInt(f.css("padding-bottom"))+parseInt(f.css("border-top-width"))+parseInt(f.css("border-bottom-width")),o=this.options.hideDisabled?":not(.disabled)":"",p=a(window),q=n+parseInt(f.css("margin-top"))+parseInt(f.css("margin-bottom"))+2,r=function(){c=e.$newElement.offset().top-p.scrollTop(),d=p.height()-c-h};if(r(),this.options.header&&f.css("padding-top",0),"auto"==this.options.size){var s=function(){var a,h=e.$lis.not(".hide");r(),b=d-q,e.options.dropupAuto&&e.$newElement.toggleClass("dropup",c>d&&b-q<f.height()),e.$newElement.hasClass("dropup")&&(b=c-q),a=h.length+h.find("dt").length>3?3*i+q-2:0,f.css({"max-height":b+"px",overflow:"hidden","min-height":a+j+k+l+"px"}),g.css({"max-height":b-j-k-l-n+"px","overflow-y":"auto","min-height":Math.max(a-n,0)+"px"})};s(),this.$searchbox.off("input.getSize propertychange.getSize").on("input.getSize propertychange.getSize",s),a(window).off("resize.getSize").on("resize.getSize",s),a(window).off("scroll.getSize").on("scroll.getSize",s)}else if(this.options.size&&"auto"!=this.options.size&&f.find("li"+o).length>this.options.size){var t=f.find("li"+o+" > *").not(".div-contain").slice(0,this.options.size).last().parent().index(),u=f.find("li").slice(0,t+1).find(".div-contain").length;b=i*this.options.size+u*m+n,e.options.dropupAuto&&this.$newElement.toggleClass("dropup",c>d&&b<f.height()),f.css({"max-height":b+j+k+l+"px",overflow:"hidden"}),g.css({"max-height":b-n+"px","overflow-y":"auto"})}},setWidth:function(){if("auto"==this.options.width){this.$menu.css("min-width","0");var a=this.$newElement.clone().appendTo("body"),b=a.find("> .dropdown-menu").css("width"),c=a.css("width","auto").find("> button").css("width");a.remove(),this.$newElement.css("width",Math.max(parseInt(b),parseInt(c))+"px")}else"fit"==this.options.width?(this.$menu.css("min-width",""),this.$newElement.css("width","").addClass("fit-width")):this.options.width?(this.$menu.css("min-width",""),this.$newElement.css("width",this.options.width)):(this.$menu.css("min-width",""),this.$newElement.css("width",""));this.$newElement.hasClass("fit-width")&&"fit"!==this.options.width&&this.$newElement.removeClass("fit-width")},selectPosition:function(){var b,c,d=this,e="<div />",f=a(e),g=function(a){f.addClass(a.attr("class").replace(/form-control/gi,"")).toggleClass("dropup",a.hasClass("dropup")),b=a.offset(),c=a.hasClass("dropup")?0:a[0].offsetHeight,f.css({top:b.top+c,left:b.left,width:a[0].offsetWidth,position:"absolute"})};this.$newElement.on("click",function(){d.isDisabled()||(g(a(this)),f.appendTo(d.options.container),f.toggleClass("open",!a(this).hasClass("open")),f.append(d.$menu))}),a(window).resize(function(){g(d.$newElement)}),a(window).on("scroll",function(){g(d.$newElement)}),a("html").on("click",function(b){a(b.target).closest(d.$newElement).length<1&&f.removeClass("open")})},setSelected:function(b,c){null==this.$lis&&(this.$lis=this.$menu.find("li")),a(this.$lis[b]).toggleClass("selected",c)},setDisabled:function(b,c){null==this.$lis&&(this.$lis=this.$menu.find("li")),c?a(this.$lis[b]).addClass("disabled").find("a").attr("href","#").attr("tabindex",-1):a(this.$lis[b]).removeClass("disabled").find("a").removeAttr("href").attr("tabindex",0)},isDisabled:function(){return this.$element.is(":disabled")},checkDisabled:function(){var a=this;this.isDisabled()?this.$button.addClass("disabled").attr("tabindex",-1):(this.$button.hasClass("disabled")&&this.$button.removeClass("disabled"),-1==this.$button.attr("tabindex")&&(this.$element.data("tabindex")||this.$button.removeAttr("tabindex"))),this.$button.click(function(){return!a.isDisabled()})},tabIndex:function(){this.$element.is("[tabindex]")&&(this.$element.data("tabindex",this.$element.attr("tabindex")),this.$button.attr("tabindex",this.$element.data("tabindex")))},clickListener:function(){var b=this;this.$newElement.on("touchstart.dropdown",".dropdown-menu",function(a){a.stopPropagation()}),this.$newElement.on("click",function(){b.setSize(),b.options.liveSearch||b.multiple||setTimeout(function(){b.$menu.find(".selected a").focus()},10)}),this.$menu.on("click","li a",function(c){var d=a(this).parent().index(),e=b.$element.val(),f=b.$element.prop("selectedIndex");if(b.multiple&&c.stopPropagation(),c.preventDefault(),!b.isDisabled()&&!a(this).parent().hasClass("disabled")){var g=b.$element.find("option"),h=g.eq(d),i=h.prop("selected"),j=h.parent("optgroup"),k=b.options.maxOptions,l=j.data("maxOptions")||!1;if(b.multiple){if(h.prop("selected",!i),b.setSelected(d,!i),a(this).blur(),k!==!1||l!==!1){var m=k<g.filter(":selected").length,n=l<j.find("option:selected").length,o=b.options.maxOptionsText,p=o[0].replace("{n}",k),q=o[1].replace("{n}",l),r=a('<div class="notify"></div>');if(k&&m||l&&n)if(k&&1==k)g.prop("selected",!1),h.prop("selected",!0),b.$menu.find(".selected").removeClass("selected"),b.setSelected(d,!0);else if(l&&1==l){j.find("option:selected").prop("selected",!1),h.prop("selected",!0);var s=a(this).data("optgroup");b.$menu.find(".selected").has('a[data-optgroup="'+s+'"]').removeClass("selected"),b.setSelected(d,!0)}else o[2]&&(p=p.replace("{var}",o[2][k>1?0:1]),q=q.replace("{var}",o[2][l>1?0:1])),h.prop("selected",!1),b.$menu.append(r),k&&m&&(r.append(a("<div>"+p+"</div>")),b.$element.trigger("maxReached.bs.select")),l&&n&&(r.append(a("<div>"+q+"</div>")),b.$element.trigger("maxReachedGrp.bs.select")),setTimeout(function(){b.setSelected(d,!1)},10),r.delay(750).fadeOut(300,function(){a(this).remove()})}}else g.prop("selected",!1),h.prop("selected",!0),b.$menu.find(".selected").removeClass("selected"),b.setSelected(d,!0);b.multiple?b.options.liveSearch&&b.$searchbox.focus():b.$button.focus(),(e!=b.$element.val()&&b.multiple||f!=b.$element.prop("selectedIndex")&&!b.multiple)&&b.$element.change()}}),this.$menu.on("click","li.disabled a, li dt, li .div-contain, .popover-title, .popover-title :not(.close)",function(a){a.target==this&&(a.preventDefault(),a.stopPropagation(),b.options.liveSearch?b.$searchbox.focus():b.$button.focus())}),this.$menu.on("click",".popover-title .close",function(){b.$button.focus()}),this.$searchbox.on("click",function(a){a.stopPropagation()}),this.$menu.on("click",".actions-btn",function(c){b.options.liveSearch?b.$searchbox.focus():b.$button.focus(),c.preventDefault(),c.stopPropagation(),a(this).is(".bs-select-all")?b.selectAll():b.deselectAll(),b.$element.change()}),this.$element.change(function(){b.render(!1)})},liveSearchListener:function(){var b=this,c=a('<li class="no-results"></li>');this.$newElement.on("click.dropdown.data-api",function(){b.$menu.find(".active").removeClass("active"),b.$searchbox.val()&&(b.$searchbox.val(""),b.$lis.not(".is-hidden").removeClass("hide"),c.parent().length&&c.remove()),b.multiple||b.$menu.find(".selected").addClass("active"),setTimeout(function(){b.$searchbox.focus()},10)}),this.$searchbox.on("input propertychange",function(){b.$searchbox.val()?(b.$lis.not(".is-hidden").removeClass("hide").find("a").not(":icontains("+b.$searchbox.val()+")").parent().addClass("hide"),b.$menu.find("li").filter(":visible:not(.no-results)").length?c.parent().length&&c.remove():(c.parent().length&&c.remove(),c.html(b.options.noneResultsText+' "'+b.$searchbox.val()+'"').show(),b.$menu.find("li").last().after(c))):(b.$lis.not(".is-hidden").removeClass("hide"),c.parent().length&&c.remove()),b.$menu.find("li.active").removeClass("active"),b.$menu.find("li").filter(":visible:not(.divider)").eq(0).addClass("active").find("a").focus(),a(this).focus()}),this.$menu.on("mouseenter","a",function(c){b.$menu.find(".active").removeClass("active"),a(c.currentTarget).parent().not(".disabled").addClass("active")}),this.$menu.on("mouseleave","a",function(){b.$menu.find(".active").removeClass("active")})},val:function(a){return"undefined"!=typeof a?(this.$element.val(a),this.render(),this.$element):this.$element.val()},selectAll:function(){null==this.$lis&&(this.$lis=this.$menu.find("li")),this.$element.find("option:enabled").prop("selected",!0),a(this.$lis).not(".disabled").addClass("selected"),this.render(!1)},deselectAll:function(){null==this.$lis&&(this.$lis=this.$menu.find("li")),this.$element.find("option:enabled").prop("selected",!1),a(this.$lis).not(".disabled").removeClass("selected"),this.render(!1)},keydown:function(b){var c,d,e,f,g,h,i,j,k,l,m,n,o={32:" ",48:"0",49:"1",50:"2",51:"3",52:"4",53:"5",54:"6",55:"7",56:"8",57:"9",59:";",65:"a",66:"b",67:"c",68:"d",69:"e",70:"f",71:"g",72:"h",73:"i",74:"j",75:"k",76:"l",77:"m",78:"n",79:"o",80:"p",81:"q",82:"r",83:"s",84:"t",85:"u",86:"v",87:"w",88:"x",89:"y",90:"z",96:"0",97:"1",98:"2",99:"3",100:"4",101:"5",102:"6",103:"7",104:"8",105:"9"};if(c=a(this),e=c.parent(),c.is("input")&&(e=c.parent().parent()),l=e.data("this"),l.options.liveSearch&&(e=c.parent().parent()),l.options.container&&(e=l.$menu),d=a("[role=menu] li:not(.divider) a",e),n=l.$menu.parent().hasClass("open"),!n&&/([0-9]|[A-z])/.test(String.fromCharCode(b.keyCode))&&(l.options.container?l.$newElement.trigger("click"):(l.setSize(),l.$menu.parent().addClass("open"),n=!0),l.$searchbox.focus()),l.options.liveSearch&&(/(^9$|27)/.test(b.keyCode.toString(10))&&n&&0===l.$menu.find(".active").length&&(b.preventDefault(),l.$menu.parent().removeClass("open"),l.$button.focus()),d=a("[role=menu] li:not(.divider):visible",e),c.val()||/(38|40)/.test(b.keyCode.toString(10))||0===d.filter(".active").length&&(d=l.$newElement.find("li").filter(":icontains("+o[b.keyCode]+")"))),d.length){if(/(38|40)/.test(b.keyCode.toString(10)))f=d.index(d.filter(":focus")),h=d.parent(":not(.disabled):visible").first().index(),i=d.parent(":not(.disabled):visible").last().index(),g=d.eq(f).parent().nextAll(":not(.disabled):visible").eq(0).index(),j=d.eq(f).parent().prevAll(":not(.disabled):visible").eq(0).index(),k=d.eq(g).parent().prevAll(":not(.disabled):visible").eq(0).index(),l.options.liveSearch&&(d.each(function(b){a(this).is(":not(.disabled)")&&a(this).data("index",b)}),f=d.index(d.filter(".active")),h=d.filter(":not(.disabled):visible").first().data("index"),i=d.filter(":not(.disabled):visible").last().data("index"),g=d.eq(f).nextAll(":not(.disabled):visible").eq(0).data("index"),j=d.eq(f).prevAll(":not(.disabled):visible").eq(0).data("index"),k=d.eq(g).prevAll(":not(.disabled):visible").eq(0).data("index")),m=c.data("prevIndex"),38==b.keyCode&&(l.options.liveSearch&&(f-=1),f!=k&&f>j&&(f=j),h>f&&(f=h),f==m&&(f=i)),40==b.keyCode&&(l.options.liveSearch&&(f+=1),-1==f&&(f=0),f!=k&&g>f&&(f=g),f>i&&(f=i),f==m&&(f=h)),c.data("prevIndex",f),l.options.liveSearch?(b.preventDefault(),c.is(".dropdown-toggle")||(d.removeClass("active"),d.eq(f).addClass("active").find("a").focus(),c.focus())):d.eq(f).focus();else if(!c.is("input")){var p,q,r=[];d.each(function(){a(this).parent().is(":not(.disabled)")&&a.trim(a(this).text().toLowerCase()).substring(0,1)==o[b.keyCode]&&r.push(a(this).parent().index())}),p=a(document).data("keycount"),p++,a(document).data("keycount",p),q=a.trim(a(":focus").text().toLowerCase()).substring(0,1),q!=o[b.keyCode]?(p=1,a(document).data("keycount",p)):p>=r.length&&(a(document).data("keycount",0),p>r.length&&(p=1)),d.eq(r[p-1]).focus()}(/(13|32)/.test(b.keyCode.toString(10))||l.options.selectOnTab&&/(^9$)/.test(b.keyCode.toString(10)))&&n&&(/(32)/.test(b.keyCode.toString(10))||b.preventDefault(),l.options.liveSearch?/(32)/.test(b.keyCode.toString(10))||(l.$menu.find(".active a").click(),c.focus()):a(":focus").click(),a(document).data("keycount",0)),(/(^9$|27)/.test(b.keyCode.toString(10))&&n&&(l.multiple||l.options.liveSearch)||/(27)/.test(b.keyCode.toString(10))&&!n)&&(l.$menu.parent().removeClass("open"),l.$button.focus())}},mobile:function(){this.$element.addClass("mobile-device").appendTo(this.$newElement),this.options.container&&this.$menu.hide()},refresh:function(){this.$lis=null,this.reloadLi(),this.render(),this.setWidth(),this.setStyle(),this.checkDisabled(),this.liHeight()},update:function(){this.reloadLi(),this.setWidth(),this.setStyle(),this.checkDisabled(),this.liHeight()},hide:function(){this.$newElement.hide()},show:function(){this.$newElement.show()},remove:function(){this.$newElement.remove(),this.$element.remove()}};var d=a.fn.selectpicker;a.fn.selectpicker=b,a.fn.selectpicker.Constructor=c,a.fn.selectpicker.noConflict=function(){return a.fn.selectpicker=d,this},a(document).data("keycount",0).on("keydown",".bootstrap-select [data-toggle=dropdown], .bootstrap-select [role=menu], .bootstrap-select-searchbox input",c.prototype.keydown).on("focusin.modal",".bootstrap-select [data-toggle=dropdown], .bootstrap-select [role=menu], .bootstrap-select-searchbox input",function(a){a.stopPropagation()})}(jQuery);
|
||
//# sourceMappingURL=bootstrap-select.js.map
|
||
(function(hscd) {
|
||
'use strict';
|
||
|
||
var ctx = {};
|
||
|
||
function onAdjust(name, value) {
|
||
ctx.searchParams[name] = value;
|
||
|
||
var query = {
|
||
searchParams: ctx.searchParams,
|
||
searchRange: ctx.searchRange,
|
||
minScore: ctx.minScore,
|
||
hintSteps: ctx.hintSteps,
|
||
maxResults: ctx.maxResults
|
||
};
|
||
|
||
$.getJSON('/node/search', query, function(results) {
|
||
var hintData = {};
|
||
for (var keyword in results.columns) {
|
||
hintData[keyword] = results.columns[keyword].hints;
|
||
}
|
||
|
||
ctx.grapher.setColumnHints(hintData);
|
||
outputResults(results.items, results.count);
|
||
});
|
||
}
|
||
|
||
function onSearch() {
|
||
var keywords = $('#keywordsToSearch').val() || [];
|
||
var searchParams = {};
|
||
|
||
for (var i = 0, count = keywords.length; i < count; ++i) {
|
||
searchParams[keywords[i]] = 1.0;
|
||
}
|
||
|
||
var query = {
|
||
searchParams: searchParams,
|
||
searchRange: { min: -1.0, max: 1.0 },
|
||
minScore: parseFloat($('#minScore').val()),
|
||
hintSteps: parseInt($('#hintSteps').val()),
|
||
maxResults: parseInt($('#maxResults').val())
|
||
};
|
||
|
||
$.getJSON('/node/search', query, function(results) {
|
||
ctx.searchParams = query.searchParams;
|
||
ctx.searchRange = query.searchRange;
|
||
ctx.minScore = query.minScore;
|
||
ctx.hintSteps = query.hintSteps;
|
||
ctx.maxResults = query.maxResults;
|
||
|
||
ctx.grapher = new grapher.Grapher('grapher', ctx.searchRange, 150, true, true);
|
||
ctx.grapher.setColumns(results.columns);
|
||
ctx.grapher.setValueChangedListener(onAdjust);
|
||
|
||
outputResults(results.items, results.count);
|
||
|
||
$('#query').text(keywords.join(', '));
|
||
$('#useLocalScale').click(function() {
|
||
var useLocalScale = $('#useLocalScale').is(':checked');
|
||
ctx.grapher.setUseLocalScale(useLocalScale);
|
||
});
|
||
$('#useRelativeScale').click(function() {
|
||
var useRelativeScale = $('#useRelativeScale').is(':checked');
|
||
ctx.grapher.setUseRelativeScale(useRelativeScale);
|
||
});
|
||
$('#input').fadeOut(function() {
|
||
$('#output').fadeIn();
|
||
});
|
||
});
|
||
}
|
||
|
||
function onLearn() {
|
||
$('#learnKeyword').prop('disabled', true);
|
||
|
||
$('#learnError').slideUp(function() {
|
||
var query = {
|
||
keyword: $('#keywordToLearn').val(),
|
||
params: ctx.searchParams
|
||
};
|
||
|
||
$.getJSON('/node/addKeyword', query, function(results) {
|
||
if (results.success) {
|
||
$('#learnDialog').modal('hide');
|
||
}
|
||
else {
|
||
$('#learnError').slideDown(function() {
|
||
$('#learnKeyword').prop('disabled', false);
|
||
});
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
function onForget() {
|
||
$('#forgetKeyword').prop('disabled', true);
|
||
|
||
$('#forgetError').slideUp(function() {
|
||
var query = {
|
||
keyword: $('#keywordToForget').val()
|
||
};
|
||
|
||
$.getJSON('/node/removeKeyword', query, function(results) {
|
||
if (results.success) {
|
||
$('#forgetDialog').modal('hide');
|
||
}
|
||
else {
|
||
$('#forgetError').slideDown(function() {
|
||
$('#forgetKeyword').prop('disabled', false);
|
||
});
|
||
}
|
||
});
|
||
});
|
||
}
|
||
|
||
function outputResults(results, count) {
|
||
var searchResultCnt = String(results.length);
|
||
if (results.length < count) {
|
||
searchResultCnt += ' of ' + count;
|
||
}
|
||
$('#count').text(searchResultCnt);
|
||
|
||
var template = Handlebars.compile($('#template').html());
|
||
$('#results').empty();
|
||
$('#results').append(template({'results': results}));
|
||
}
|
||
|
||
$(document).on({
|
||
ajaxStart: function() {
|
||
$('#spinner').show();
|
||
},
|
||
|
||
ajaxStop: function() {
|
||
$('#spinner').hide();
|
||
},
|
||
|
||
ready: function() {
|
||
$('#keywordsToSearch').selectpicker();
|
||
|
||
$.getJSON('/node/getKeywords', function(keywords) {
|
||
$('#searchKeywords').click(onSearch);
|
||
for (var i = 0, count = keywords.length; i < count; ++i) {
|
||
$('#keywordsToSearch').append($('<option></option>', {
|
||
value: keywords[i],
|
||
text: keywords[i]
|
||
}));
|
||
}
|
||
$('#keywordsToSearch').selectpicker('refresh');
|
||
$('#keywordsToSearch').change(function() {
|
||
$('#searchKeywords').prop('disabled', !$(this).val());
|
||
});
|
||
|
||
$('#forgetKeyword').click(onForget);
|
||
$('#forgetDialog').on('show.bs.modal', function() {
|
||
$('#forgetError').hide();
|
||
$.getJSON('/node/getKeywords', function(keywords) {
|
||
$('#forgetKeyword').prop('disabled', keywords.length === 0);
|
||
$('#keywordToForget').empty();
|
||
for (var i = 0, count = keywords.length; i < count; ++i) {
|
||
$('#keywordToForget').append($('<option></option>', {
|
||
value: keywords[i],
|
||
text: keywords[i]
|
||
}));
|
||
}
|
||
});
|
||
});
|
||
|
||
$('#learnKeyword').click(onLearn);
|
||
$('#keywordToLearn').bind('input', function() {
|
||
$('#learnKeyword').prop('disabled', !$(this).val());
|
||
});
|
||
$('#learnDialog').on('show.bs.modal', function() {
|
||
$('#learnKeyword').prop('disabled', true);
|
||
$('#keywordToLearn').val('');
|
||
$('#learnError').hide();
|
||
});
|
||
});
|
||
}
|
||
});
|
||
|
||
}(window.hscd = window.hscd || {}));
|
||
|
||
/*
|
||
global
|
||
$,
|
||
Handlebars,
|
||
document,
|
||
grapher,
|
||
window,
|
||
*/
|
||
|
||
(function(grapher) {
|
||
'use strict';
|
||
|
||
//
|
||
// Coord
|
||
//
|
||
|
||
function Coord(x, y) {
|
||
this.x = x;
|
||
this.y = y;
|
||
}
|
||
|
||
|
||
//
|
||
// Rect
|
||
//
|
||
|
||
function Rect(left, top, width, height) {
|
||
this.left = left;
|
||
this.top = top;
|
||
this.width = width;
|
||
this.height = height;
|
||
this.right = left + width;
|
||
this.bottom = top + height;
|
||
|
||
this.contains = function(coord) {
|
||
var contained =
|
||
coord.x >= this.left &&
|
||
coord.x < this.right &&
|
||
coord.y >= this.top &&
|
||
coord.y < this.bottom;
|
||
|
||
return contained;
|
||
};
|
||
|
||
this.intersection = function(rect) {
|
||
var left = Math.max(this.left, rect.left);
|
||
var top = Math.max(this.top, rect.top);
|
||
var right = Math.min(this.right, rect.right);
|
||
var bottom = Math.min(this.bottom, rect.bottom);
|
||
|
||
return new Rect(left, top, right - left, bottom - top);
|
||
};
|
||
}
|
||
|
||
|
||
//
|
||
// Range
|
||
//
|
||
|
||
function Range(start, end) {
|
||
this.start = start;
|
||
this.end = end;
|
||
|
||
this.containsPoint = function(value) {
|
||
return value >= this.start && value <= this.end;
|
||
};
|
||
|
||
this.getLength = function() {
|
||
return this.end - this.start;
|
||
};
|
||
|
||
this.clamp = function(value) {
|
||
if (value < this.start) {
|
||
return this.start;
|
||
}
|
||
|
||
if (value > this.end) {
|
||
return this.end;
|
||
}
|
||
|
||
return value;
|
||
};
|
||
}
|
||
|
||
|
||
//
|
||
// Column
|
||
//
|
||
|
||
function Column(canvas, name, params, scale, range, bounds) {
|
||
this.clearShapes = function() {
|
||
_.each(this.shapes, function(shape) {
|
||
this.canvas.remove(shape);
|
||
});
|
||
|
||
this.shapes = [];
|
||
};
|
||
|
||
this.updateShapes = function(final) {
|
||
this.columnBounds = this.getColumnBounds(this.bounds);
|
||
this.labelBounds = this.getLabelBounds(this.columnBounds);
|
||
this.hintBounds = this.getHintBounds(this.columnBounds);
|
||
this.fillBounds = this.getFillBounds(this.columnBounds);
|
||
this.handleBounds = this.getHandleBounds(this.columnBounds, this.fillBounds);
|
||
|
||
if (final) {
|
||
this.updateRect('boundsRect', {
|
||
left: this.columnBounds.left,
|
||
top: this.columnBounds.top,
|
||
width: this.columnBounds.width,
|
||
height: this.columnBounds.height,
|
||
stroke: this.strokeColor,
|
||
fill: this.emptyColor
|
||
});
|
||
|
||
this.updateRect('hintRect', {
|
||
left: this.hintBounds.left,
|
||
top: this.hintBounds.top,
|
||
width: this.hintBounds.width,
|
||
height: this.hintBounds.height,
|
||
stroke: this.strokeColor
|
||
});
|
||
|
||
this.hintRect.setGradient('fill', {
|
||
x1: 0.0,
|
||
y1: 0.0,
|
||
x2: 0.0,
|
||
y2: this.hintRect.height,
|
||
colorStops: this.decimateHints(this.steps, this.scale)
|
||
});
|
||
|
||
this.updateRect('labelRect', {
|
||
left: this.labelBounds.left,
|
||
top: this.labelBounds.top,
|
||
width: this.labelBounds.width,
|
||
height: this.labelBounds.height,
|
||
fill: this.strokeColor
|
||
});
|
||
|
||
this.updateText('label', this.name, {
|
||
left: this.fillBounds.left + this.fillBounds.width / 2,
|
||
top: this.labelBounds.top + this.labelBounds.height / 2,
|
||
fontSize: this.labelFontSize,
|
||
originX: 'center',
|
||
originY: 'center',
|
||
});
|
||
}
|
||
|
||
this.updateRect('fillRect', {
|
||
left: this.fillBounds.left,
|
||
top: this.fillBounds.top,
|
||
width: this.fillBounds.width,
|
||
height: this.fillBounds.height,
|
||
fill: this.getFillColor()
|
||
});
|
||
|
||
this.updateRect('handleRect', {
|
||
left: this.handleBounds.left,
|
||
top: this.handleBounds.top,
|
||
width: this.handleBounds.width,
|
||
height: this.handleBounds.height,
|
||
fill: this.getHandleColor()
|
||
});
|
||
|
||
if (final && this.range.containsPoint(0.0)) {
|
||
var y = this.getPosFromValue(0.0);
|
||
var p = [this.bounds.left, y, this.bounds.left + this.tickLength, y];
|
||
this.updateLine('baseline', p, {
|
||
stroke: this.tickColor
|
||
});
|
||
}
|
||
|
||
this.canvas.renderAll();
|
||
};
|
||
|
||
this.updateRect = function(name, args) {
|
||
if (name in this) {
|
||
this[name].set(args);
|
||
}
|
||
else {
|
||
var rect = new fabric.Rect(args);
|
||
this.canvas.add(rect);
|
||
this.shapes.push(rect);
|
||
this[name] = rect;
|
||
}
|
||
};
|
||
|
||
this.updateText = function(name, str, args) {
|
||
if (name in this) {
|
||
this[name].set(args);
|
||
}
|
||
else {
|
||
var text = new fabric.Text(str, args);
|
||
this.canvas.add(text);
|
||
this.shapes.push(text);
|
||
this[name] = text;
|
||
}
|
||
};
|
||
|
||
this.updateLine = function(name, points, args) {
|
||
if (name in this) {
|
||
this[name].set(args);
|
||
}
|
||
else {
|
||
var line = new fabric.Line(points, args);
|
||
this.canvas.add(line);
|
||
this.shapes.push(line);
|
||
this[name] = line;
|
||
}
|
||
};
|
||
|
||
this.decimateHints = function(steps, scale) {
|
||
var groups = this.groupHints(steps);
|
||
|
||
var colorStops = {};
|
||
_.each(groups, function(count, index) {
|
||
var colorPercent = 0;
|
||
if (scale.getLength() > 0) {
|
||
colorPercent = Math.max(0, count - scale.start) / scale.getLength();
|
||
}
|
||
|
||
var colorByte = 0xff - Math.min(0xff, Math.round(0xff * colorPercent));
|
||
var colorObj = tinycolor({ r: colorByte, g: colorByte, b: colorByte });
|
||
var colorStr = colorObj.toHexString();
|
||
|
||
colorStops[index / steps] = colorStr;
|
||
});
|
||
|
||
return colorStops;
|
||
};
|
||
|
||
this.groupHints = function(steps) {
|
||
var stepSize = this.range.getLength() / steps;
|
||
|
||
var hintGroups = [];
|
||
for (var i = 0; i < steps; ++i) {
|
||
var stepMax = this.range.end - stepSize * i;
|
||
var stepMin = stepMax - stepSize;
|
||
|
||
var hintCount = 0;
|
||
for (var j = 0, count = this.hints.length; j < count; ++j) {
|
||
var hint = this.hints[j];
|
||
if (hint.sample > stepMin && hint.sample <= stepMax) {
|
||
hintCount += hint.count;
|
||
}
|
||
}
|
||
|
||
hintGroups.push(hintCount);
|
||
}
|
||
|
||
return hintGroups;
|
||
};
|
||
|
||
this.setClampedValue = function(value, final) {
|
||
this.value = this.range.clamp(value);
|
||
this.updateShapes(final);
|
||
|
||
if (this.onValueChanged && final) {
|
||
this.onValueChanged(this.name, this.value);
|
||
}
|
||
};
|
||
|
||
this.setHints = function(hints, scale) {
|
||
this.hints = hints;
|
||
this.scale = scale;
|
||
this.updateShapes(true);
|
||
};
|
||
|
||
this.getLabelBounds = function(bounds) {
|
||
return new Rect(
|
||
bounds.left,
|
||
bounds.top + bounds.height,
|
||
bounds.width,
|
||
this.labelSize
|
||
);
|
||
};
|
||
|
||
this.getColumnBounds = function(bounds) {
|
||
return new Rect(
|
||
bounds.left + this.tickLength,
|
||
bounds.top,
|
||
bounds.width - this.tickLength,
|
||
bounds.height - this.labelSize
|
||
);
|
||
};
|
||
|
||
this.getHintBounds = function(bounds) {
|
||
return new Rect(
|
||
bounds.left + bounds.width - this.hintSize,
|
||
bounds.top,
|
||
this.hintSize,
|
||
bounds.height
|
||
);
|
||
};
|
||
|
||
this.getFillBounds = function(bounds) {
|
||
var y1 = this.getPosFromValue(0.0);
|
||
var y2 = this.getPosFromValue(this.value);
|
||
return new Rect(
|
||
bounds.left,
|
||
Math.min(y1, y2),
|
||
bounds.width - this.hintSize,
|
||
Math.abs(y1 - y2)
|
||
);
|
||
};
|
||
|
||
this.getHandleBounds = function(bounds, fillBounds) {
|
||
var handleBounds = new Rect(
|
||
fillBounds.left,
|
||
this.getPosFromValue(this.value) - this.handleSize / 2,
|
||
fillBounds.width,
|
||
this.handleSize
|
||
);
|
||
handleBounds.intersection(bounds);
|
||
return handleBounds;
|
||
};
|
||
|
||
this.valueColorAdjust = function(color, offset) {
|
||
var colorObj = tinycolor(color);
|
||
var rangeEnd = this.value >= 0.0 ? this.range.end : this.range.start;
|
||
var rangeMid = (this.range.start + this.range.end) / 2.0;
|
||
var rangeRat = (this.value - rangeMid) / (rangeEnd - rangeMid);
|
||
var desatVal = Math.max(0.0, 1.0 - rangeRat + offset) * 100.0;
|
||
return colorObj.desaturate(desatVal).toHexString();
|
||
};
|
||
|
||
this.getFillColor = function() {
|
||
var color = this.value >= 0.0 ? this.fillColorPos : this.fillColorNeg;
|
||
return this.valueColorAdjust(color, this.desatOffset);
|
||
};
|
||
|
||
this.getHandleColor = function() {
|
||
var color = this.value >= 0.0 ? this.handleColorPos : this.handleColorNeg;
|
||
return this.valueColorAdjust(color, this.desatOffset);
|
||
};
|
||
|
||
this.mouseDown = function(position) {
|
||
if (this.isGrabbing(position)) {
|
||
this.stateTransition(this.State.DRAG, position);
|
||
}
|
||
};
|
||
|
||
this.mouseUp = function(position) {
|
||
this.stateTransition(
|
||
this.isHovering(position) ? this.State.HOVER : this.State.NORMAL,
|
||
position
|
||
);
|
||
};
|
||
|
||
this.mouseMove = function(position) {
|
||
switch (this.state) {
|
||
case this.State.NORMAL:
|
||
if (this.isHovering(position)) {
|
||
this.stateTransition(this.State.HOVER, position);
|
||
}
|
||
break;
|
||
case this.State.HOVER:
|
||
if (!this.isHovering(position)) {
|
||
this.stateTransition(this.State.NORMAL, position);
|
||
}
|
||
break;
|
||
}
|
||
|
||
this.stateUpdate(position);
|
||
};
|
||
|
||
this.mouseOut = function(position) {
|
||
this.mouseUp(position);
|
||
};
|
||
|
||
this.mouseDoubleClick = function(position) {
|
||
if (this.isContained(position)) {
|
||
this.setClampedValue(this.getValueFromPos(position.y), true);
|
||
}
|
||
};
|
||
|
||
this.getValueFromPos = function(position) {
|
||
var percent = 1.0 - (position - this.columnBounds.top) / this.columnBounds.height;
|
||
return this.range.start + this.range.getLength() * percent;
|
||
};
|
||
|
||
this.getPosFromValue = function(value) {
|
||
var percent = 1.0 - (value - this.range.start) / this.range.getLength();
|
||
var range = new Range(this.columnBounds.top, this.columnBounds.top + this.columnBounds.height);
|
||
return range.clamp(this.columnBounds.top + this.columnBounds.height * percent);
|
||
};
|
||
|
||
this.isHovering = function(position) {
|
||
return this.isGrabbing(position);
|
||
};
|
||
|
||
this.isGrabbing = function(position) {
|
||
return this.handleBounds.contains(position);
|
||
};
|
||
|
||
this.isContained = function(position) {
|
||
return this.columnBounds.contains(position);
|
||
};
|
||
|
||
this.stateUpdate = function(position) {
|
||
switch (this.state) {
|
||
case this.State.DRAG:
|
||
this.setClampedValue(this.getValueFromPos(position.y) + this.dragDelta, false);
|
||
break;
|
||
}
|
||
};
|
||
|
||
this.stateTransition = function(state, position) {
|
||
if (state == this.state) {
|
||
return;
|
||
}
|
||
|
||
switch (this.state) {
|
||
case this.State.DRAG:
|
||
this.setClampedValue(this.getValueFromPos(position.y) + this.dragDelta, true);
|
||
/* falls through */
|
||
case this.State.HOVER:
|
||
if (state == this.State.NORMAL) {
|
||
this.canvas.contextContainer.canvas.style.cursor = 'default';
|
||
}
|
||
break;
|
||
}
|
||
|
||
switch (state) {
|
||
case this.State.DRAG:
|
||
this.dragDelta = this.value - this.getValueFromPos(position.y);
|
||
/* falls through */
|
||
case this.State.HOVER:
|
||
this.canvas.contextContainer.canvas.style.cursor = 'ns-resize';
|
||
break;
|
||
}
|
||
|
||
this.state = state;
|
||
};
|
||
|
||
this.State = {
|
||
NORMAL: 0,
|
||
HOVER: 1,
|
||
DRAG: 2
|
||
};
|
||
|
||
this.handleSize = 10;
|
||
this.desatOffset = -0.3;
|
||
this.hintSize = 10;
|
||
this.labelFontSize = 15;
|
||
this.labelSize = 20;
|
||
this.tickLength = 5;
|
||
this.emptyColor = '#eeeeec';
|
||
this.strokeColor = '#d3d7cf';
|
||
this.tickColor = '#888a85';
|
||
this.fillColorNeg = '#3465a4';
|
||
this.fillColorPos = '#cc0000';
|
||
this.handleColorNeg = '#204a87';
|
||
this.handleColorPos = '#a40000';
|
||
|
||
this.canvas = canvas;
|
||
this.shapes = [];
|
||
this.name = name;
|
||
this.value = params.value;
|
||
this.hints = params.hints;
|
||
this.steps = params.steps;
|
||
this.scale = scale;
|
||
this.range = range;
|
||
this.bounds = bounds;
|
||
this.state = this.State.NORMAL;
|
||
|
||
this.updateShapes(true);
|
||
}
|
||
|
||
|
||
//
|
||
// Grapher
|
||
//
|
||
|
||
grapher.Grapher = function(canvas, range, columnWidth, useLocalScale, useRelativeScale) {
|
||
this.setColumns = function(columns) {
|
||
this.clearColumns();
|
||
|
||
var scale = 0;
|
||
if (!useLocalScale) {
|
||
var hintData = {};
|
||
_.each(columns, function(columnValue, columnName) {
|
||
hintData[columnName] = columnValue.hints || [];
|
||
});
|
||
|
||
scale = this.getGlobalScale(hintData);
|
||
}
|
||
|
||
var graphBounds = this.getGraphBounds(this.getCanvasBounds());
|
||
|
||
var index = 0;
|
||
var that = this;
|
||
_.each(columns, function(columnValue, columnName) {
|
||
if (useLocalScale) {
|
||
scale = that.getLocalScale(columnValue.hints);
|
||
}
|
||
|
||
var columnBounds = that.getColumnBounds(graphBounds, index);
|
||
that.columns.push(new Column(that.canvas, columnName, columnValue, scale, that.range, columnBounds));
|
||
that.indexMap[columnName] = index++;
|
||
});
|
||
};
|
||
|
||
this.clearColumns = function() {
|
||
_.each(this.columns, function(column) {
|
||
column.clearShapes();
|
||
});
|
||
|
||
this.columns = [];
|
||
this.indexMap = {};
|
||
};
|
||
|
||
this.setColumnHints = function(hintData) {
|
||
var scale = 0;
|
||
if (!this.useLocalScale) {
|
||
scale = this.getGlobalScale(hintData);
|
||
}
|
||
|
||
var that = this;
|
||
_.each(hintData, function(hints, name) {
|
||
var index = that.getColumnIndex(name);
|
||
console.assert(index >= 0);
|
||
|
||
if (that.useLocalScale) {
|
||
scale = that.getLocalScale(hints);
|
||
}
|
||
|
||
that.columns[index].setHints(hints, scale);
|
||
});
|
||
};
|
||
|
||
this.setUseLocalScale = function(useLocalScale) {
|
||
if (useLocalScale != this.useLocalScale) {
|
||
this.useLocalScale = useLocalScale;
|
||
this.invalidateHints();
|
||
}
|
||
};
|
||
|
||
this.setUseRelativeScale = function(useRelativeScale) {
|
||
if (useRelativeScale != this.useRelativeScale) {
|
||
this.useRelativeScale = useRelativeScale;
|
||
this.invalidateHints();
|
||
}
|
||
};
|
||
|
||
this.invalidateHints = function() {
|
||
var hintData = {};
|
||
_.each(this.columns, function(column) {
|
||
hintData[column.name] = column.hints;
|
||
});
|
||
|
||
this.setColumnHints(hintData);
|
||
};
|
||
|
||
this.setValueChangedListener = function(listener) {
|
||
_.each(this.columns, function(column) {
|
||
column.onValueChanged = listener;
|
||
});
|
||
};
|
||
|
||
this.getLocalScale = function(hints) {
|
||
var counts = _.pluck(hints, 'count');
|
||
var min = this.useRelativeScale ? _.min(counts) : 0;
|
||
return new Range(min, _.max(counts));
|
||
};
|
||
|
||
this.getGlobalScale = function(hintData) {
|
||
var that = this;
|
||
var globalScale = null;
|
||
|
||
_.each(hintData, function(hints) {
|
||
var localScale = that.getLocalScale(hints);
|
||
if (globalScale) {
|
||
globalScale.includeRange(localScale);
|
||
}
|
||
else {
|
||
globalScale = localScale;
|
||
}
|
||
});
|
||
|
||
return globalScale;
|
||
};
|
||
|
||
this.getColumnCount = function() {
|
||
return this.columns.length;
|
||
};
|
||
|
||
this.getColumnIndex = function(name) {
|
||
console.assert(name in this.indexMap);
|
||
return this.indexMap[name];
|
||
};
|
||
|
||
this.getColumnName = function(index) {
|
||
return this.columns[index].name;
|
||
};
|
||
|
||
this.getColumnNames = function() {
|
||
return _.pluck(this.columns, 'name');
|
||
};
|
||
|
||
this.getCanvasBounds = function() {
|
||
return new Rect(0, 0, this.canvas.width - 1, this.canvas.height - 1);
|
||
};
|
||
|
||
this.getGraphBounds = function(bounds) {
|
||
return this.getCanvasBounds();
|
||
};
|
||
|
||
this.getColumnBounds = function(bounds, index, count) {
|
||
var width = this.columnWidth + this.padding * 2;
|
||
return new Rect(
|
||
bounds.left + width * index + this.padding,
|
||
bounds.top,
|
||
this.columnWidth,
|
||
bounds.height
|
||
);
|
||
};
|
||
|
||
this.getMousePos = function(e) {
|
||
var rect = e.target.getBoundingClientRect();
|
||
return new Coord(e.clientX - rect.left, e.clientY - rect.top);
|
||
};
|
||
|
||
this.mouseDown = function(e) {
|
||
var position = this.grapher.getMousePos(e);
|
||
_.each(this.grapher.columns, function(column) {
|
||
column.mouseDown(position);
|
||
});
|
||
};
|
||
|
||
this.mouseUp = function(e) {
|
||
var position = this.grapher.getMousePos(e);
|
||
_.each(this.grapher.columns, function(column) {
|
||
column.mouseUp(position);
|
||
});
|
||
};
|
||
|
||
this.mouseMove = function(e) {
|
||
var position = this.grapher.getMousePos(e);
|
||
_.each(this.grapher.columns, function(column) {
|
||
column.mouseMove(position);
|
||
});
|
||
};
|
||
|
||
this.mouseOut = function(e) {
|
||
var position = this.grapher.getMousePos(e);
|
||
_.each(this.grapher.columns, function(column) {
|
||
column.mouseOut(position);
|
||
});
|
||
};
|
||
|
||
this.mouseDoubleClick = function(e) {
|
||
var position = this.grapher.getMousePos(e);
|
||
_.each(this.grapher.columns, function(column) {
|
||
column.mouseDoubleClick(position);
|
||
});
|
||
};
|
||
|
||
this.useLocalScale = useLocalScale;
|
||
this.useRelativeScale = useRelativeScale;
|
||
this.columnWidth = columnWidth;
|
||
this.canvas = new fabric.StaticCanvas(canvas);
|
||
this.range = new Range(range.min, range.max);
|
||
this.padding = 10;
|
||
this.indexMap = {};
|
||
this.columns = [];
|
||
|
||
var c = this.canvas.contextContainer.canvas;
|
||
c.addEventListener('mousedown', this.mouseDown, false);
|
||
c.addEventListener('mouseup', this.mouseUp, false);
|
||
c.addEventListener('mousemove', this.mouseMove, false);
|
||
c.addEventListener('mouseout', this.mouseOut, false);
|
||
c.addEventListener('dblclick', this.mouseDoubleClick, false);
|
||
c.grapher = this;
|
||
};
|
||
}(window.grapher = window.grapher || {}));
|