Cristian's PDF generation patch

README

@@ -0,0 +1,8 @@
+REQUIREMENTS
+============
+
+Python Image Library (PIL)
+PyQT4
+Reportlab
+
+Mangle 2.4 Unofficial version

mangle.pyw

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 # Copyright (C) 2010  Alex Yatskov
 #

mangle/book.py

@@ -16,8 +16,11 @@
 
 import os
 import os.path
+from os.path import basename
 import util
+import tempfile
 from PyQt4 import QtGui, QtCore, QtXml, uic
+from zipfile import ZipFile
 from image import ImageFlags
 from about import DialogAbout
 from options import DialogOptions
@@ -26,7 +29,7 @@ from convert import DialogConvert
 
 class Book(object):
     DefaultDevice = 'Kindle 4'
-    DefaultOutputFormat = 'Images & CBZ'
+    DefaultOutputFormat = 'PDF only'
     DefaultOverwrite = True
     DefaultImageFlags = ImageFlags.Orient | ImageFlags.Resize | ImageFlags.Quantize
 
@@ -207,8 +210,11 @@ class MainWindowBook(QtGui.QMainWindow):
         filenames = QtGui.QFileDialog.getOpenFileNames(
             parent=self,
             caption='Select image file(s) to add',
-            filter='Image files (*.jpeg *.jpg *.gif *.png);;All files (*.*)'
+            filter='Image files (*.jpeg *.jpg *.gif *.png);;Comic files (*.cbz)'
         )
+        if(self.containsCbzFile(filenames)):
+            self.addCBZFiles(filenames)
+        else:
             self.addImageFiles(filenames)
 
 
@@ -364,7 +370,6 @@ class MainWindowBook(QtGui.QMainWindow):
                 self.book.images.append(filename)
                 self.book.modified = True
 
-
     def addImageDirs(self, directories):
         filenames = []
 
@@ -377,6 +382,33 @@ class MainWindowBook(QtGui.QMainWindow):
 
         self.addImageFiles(filenames)
 
+    def addCBZFiles(self, filenames):
+        directories = []
+        tempDir = tempfile.gettempdir()
+        filenames.sort()
+
+        filenamesListed = []
+        for i in xrange(0, self.listWidgetFiles.count()):
+            filenamesListed.append(self.listWidgetFiles.item(i).text())
+
+        for filename in filenames:
+            folderName = os.path.splitext(basename(str(filename)))[0]
+            path = tempDir + "/" + folderName + "/"
+            cbzFile = ZipFile(str(filename))
+            for f in cbzFile.namelist():
+                if f.endswith('/'):
+                    try:
+                        os.makedirs(path+f)
+                    except:
+                        pass #the dir exists so we are going to extract the images only.
+                else:
+                    cbzFile.extract(f, path)
+			#Add the directories
+            if os.path.isdir(unicode(path)):
+                directories.append(path)
+        #Add the files
+        self.addImageDirs(directories)
+		
 
     def isImageFile(self, filename):
         imageExts = ['.jpeg', '.jpg', '.gif', '.png']
@@ -386,6 +418,17 @@ class MainWindowBook(QtGui.QMainWindow):
             os.path.splitext(filename)[1].lower() in imageExts
         )
 
+    def containsCbzFile(self, filenames):
+        cbzExts = ['.cbz']
+        for filename in filenames:
+            filename = unicode(filename)
+            result = (
+            os.path.isfile(filename) and
+            os.path.splitext(filename)[1].lower() in cbzExts
+            )
+            if result == True:
+                return result
+        return False     
 
     def cleanupBookFile(self, filename):
         if len(os.path.splitext(unicode(filename))[1]) == 0:

mangle/convert.py

@@ -18,6 +18,7 @@ import os, shutil
 from PyQt4 import QtGui, QtCore
 import image
 import cbz
+import pdfimage
 
 
 class DialogConvert(QtGui.QProgressDialog):
@@ -36,6 +37,11 @@ class DialogConvert(QtGui.QProgressDialog):
         if 'CBZ' in self.book.outputFormat:
             self.archive = cbz.Archive(self.bookPath)
         
+        self.pdf = None
+        if "PDF" in self.book.outputFormat:
+			self.pdf = pdfimage.PDFImage(self.bookPath, str(self.book.title), str(self.book.device))
+			
+
 
     def showEvent(self, event):
         if self.timer is None:
@@ -50,6 +56,9 @@ class DialogConvert(QtGui.QProgressDialog):
         # Close the archive if we created a CBZ file
         if self.archive is not None:
             self.archive.close()
+        #Close and generate the PDF File
+        if self.pdf is not None:
+			self.pdf.close()
 
         # Remove image directory if the user didn't wish for images
         if 'Image' not in self.book.outputFormat:
@@ -98,6 +107,8 @@ class DialogConvert(QtGui.QProgressDialog):
                 image.convertImage(source, target, str(self.book.device), self.book.imageFlags)
                 if self.archive is not None:
                     self.archive.addFile(target)
+                if self.pdf is not None:
+					self.pdf.addImage(target)
         except RuntimeError, error:
             result = QtGui.QMessageBox.critical(
                 self,

mangle/image.py

@@ -22,6 +22,7 @@ class ImageFlags:
     Resize = 1 << 1
     Frame = 1 << 2
     Quantize = 1 << 3
+    Stretch = 1 << 4
 
 
 class KindleData:
@@ -89,6 +90,10 @@ def quantizeImage(image, palette):
     return image.quantize(palette=palImg)
 
 
+def stretchImage(image, size):
+	widthDev, heightDev = size
+	return image.resize((widthDev, heightDev), Image.ANTIALIAS)
+
 def resizeImage(image, size):
     widthDev, heightDev = size
     widthImg, heightImg = image.size
@@ -166,12 +171,13 @@ def convertImage(source, target, device, flags):
         image = Image.open(source)
     except IOError:
         raise RuntimeError('Cannot read image file %s' % source)
-
     image = formatImage(image)
     if flags & ImageFlags.Orient:
 		image = orientImage(image, size)
     if flags & ImageFlags.Resize:
 		image = resizeImage(image, size)
+    if flags & ImageFlags.Stretch:
+		image = stretchImage(image, size)
     if flags & ImageFlags.Frame:
 		image = frameImage(image, tuple(palette[:3]), tuple(palette[-3:]), size)
     if flags & ImageFlags.Quantize:

mangle/options.py

@@ -42,6 +42,7 @@ class DialogOptions(QtGui.QDialog):
         self.checkboxOverwrite.setChecked(self.book.overwrite)
         self.checkboxOrient.setChecked(self.book.imageFlags & ImageFlags.Orient)
         self.checkboxResize.setChecked(self.book.imageFlags & ImageFlags.Resize)
+        self.checkboxStretch.setChecked(self.book.imageFlags & ImageFlags.Stretch)
         self.checkboxQuantize.setChecked(self.book.imageFlags & ImageFlags.Quantize)
         self.checkboxFrame.setChecked(self.book.imageFlags & ImageFlags.Frame)
 
@@ -57,6 +58,8 @@ class DialogOptions(QtGui.QDialog):
             imageFlags |= ImageFlags.Orient
         if self.checkboxResize.isChecked():
             imageFlags |= ImageFlags.Resize
+        if self.checkboxStretch.isChecked():
+			imageFlags |= ImageFlags.Stretch
         if self.checkboxQuantize.isChecked():
             imageFlags |= ImageFlags.Quantize
         if self.checkboxFrame.isChecked():

mangle/pdfimage.py

@@ -0,0 +1,49 @@
+# Copyright (C) 2012  Cristian Lizana <cristian@lizana.in>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+import os.path
+
+from reportlab.pdfgen import canvas
+from reportlab.lib.pagesizes import letter
+from image import KindleData
+
+class PDFImage(object):
+    def __init__(self, path, title, device):
+        outputDirectory = os.path.dirname(path)
+        outputFileName = '%s.pdf' % os.path.basename(path)
+        outputPath = os.path.join(outputDirectory, outputFileName)
+        self.currentDevice = device
+        self.bookTitle = title
+        self.pageSize = KindleData.Profiles[self.currentDevice][0]
+        #pagesize could be letter or A4 for standarization but we need to control some image sizes
+        self.canvas = canvas.Canvas(outputPath, pagesize=self.pageSize)
+        self.canvas.setAuthor("Mangle")
+        self.canvas.setTitle(self.bookTitle)
+        self.canvas.setSubject("Created for " + self.currentDevice)
+
+
+    def addImage(self, filename):
+        self.canvas.drawImage(filename, 0, 0, width=self.pageSize[0], height=self.pageSize[1], preserveAspectRatio=True, anchor='c')
+        self.canvas.showPage()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.close()
+
+    def close(self):
+        self.canvas.save()

mangle/ui/options.ui

@@ -99,7 +99,7 @@
          <widget class="QComboBox" name="comboBoxFormat">
           <item>
            <property name="text">
-            <string>Images &amp; CBZ</string>
+            <string>Images &amp; CBZ &amp; PDF</string>
            </property>
           </item>
           <item>
@@ -107,6 +107,11 @@
             <string>Images only</string>
            </property>
           </item>
+          <item>
+           <property name="text">
+            <string>PDF only</string>
+           </property>
+          </item>
           <item>
            <property name="text">
             <string>CBZ only</string>
@@ -130,13 +135,6 @@
         </property>
        </widget>
       </item>
-      <item>
-       <widget class="QCheckBox" name="checkboxResize">
-        <property name="text">
-         <string>Resize images to center on screen</string>
-        </property>
-       </widget>
-      </item>
       <item>
        <widget class="QCheckBox" name="checkboxQuantize">
         <property name="text">
@@ -150,6 +148,27 @@
          <string>Draw frame around images</string>
         </property>
        </widget>
+      </item>
+        <item>
+         <widget class="QLabel" name="label_3">
+          <property name="text">
+           <string>Size</string>
+          </property>
+         </widget>
+        </item>
+      <item>
+       <widget class="QRadioButton" name="checkboxResize">
+        <property name="text">
+         <string>Resize images to center on screen</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <widget class="QRadioButton" name="checkboxStretch">
+        <property name="text">
+         <string>Stretch images to fill the screen</string>
+        </property>
+       </widget>
       </item>
      </layout>
     </widget>