Changed to split right -> left

mangle/convert.py

@@ -18,6 +18,7 @@ import os
 import shutil
 
 from PyQt4 import QtGui, QtCore
+from image import ImageFlags
 
 import cbz
 import image
@@ -68,6 +69,14 @@ class DialogConvert(QtGui.QProgressDialog):
             shutil.rmtree(self.bookPath)
 
 
+    def convertAndSave(self, source, target, device, flags, archive, pdf):
+        image.convertImage(source, target, device, flags)
+        if archive is not None:
+            archive.addFile(target)
+        if pdf is not None:
+            pdf.addImage(target)
+
+                
     def onTimer(self):
         index = self.value()
         target = os.path.join(self.bookPath, '%05d.png' % index)
@@ -107,11 +116,26 @@ class DialogConvert(QtGui.QProgressDialog):
 
         try:
             if self.book.overwrite or not os.path.isfile(target):
-                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)
+                device = str(self.book.device)
+                flags = self.book.imageFlags
+                archive = self.archive
+                pdf = self.pdf
+
+                # For right page (if requested)
+                if(self.book.imageFlags & ImageFlags.Split):
+                    # Increment counter to accomodate for extra page
+                    index = index + 1
+                    target = os.path.join(self.bookPath, '%05d.png' % index)
+                    self.convertAndSave(source,
+                                        target
+                                        device,
+                                        flags ^ ImageFlags.Split | ImageFlags.SplitRight,
+                                        archive,
+                                        pdf)
+
+                # Convert page
+                self.convertAndSave(source, target, device, flags, archive, pdf)
+
         except RuntimeError, error:
             result = QtGui.QMessageBox.critical(
                 self,

mangle/image.py

@@ -179,28 +179,36 @@ def frameImage(image, foreground, background, size):
     return imageBg
 
 
+def loadImage(source):
+    try:
+        return Image.open(source)
+    except IOError:
+        raise RuntimeError('Cannot read image file %s' % source)
+    
+
+def saveImage(image, target):
+    try:
+        image.save(target)
+    except IOError:
+        raise RuntimeError('Cannot write image file %s' % target)
+
+
 def convertImage(source, target, device, flags):
     try:
         size, palette = KindleData.Profiles[device]
     except KeyError:
         raise RuntimeError('Unexpected output device %s' % device)
-
-    try:
-        image = Image.open(source)
-    except IOError:
-        raise RuntimeError('Cannot read image file %s' % source)
+    # Load image from source path
+    image = loadImage(source)
+    # Format according to palette
     image = formatImage(image)
-    if flags & ImageFlags.Orient:
-        image = orientImage(image, size)
+    # Apply flag transforms
     if flags & ImageFlags.SplitRight:
         image = splitRight(image)
-    elif flags & ImageFlags.Split:
+    if flags & ImageFlags.Split:
         image = splitLeft(image)
-        # Recurse for right page
-        fileName, fileExtension = os.path.splitext(target)
-        newTarget = fileName + "r" + fileExtension
-        print(newTarget)
-        convertImage(source, newTarget, device, flags | ImageFlags.SplitRight)
+    if flags & ImageFlags.Orient:
+        image = orientImage(image, size)
     if flags & ImageFlags.Resize:
         image = resizeImage(image, size)
     if flags & ImageFlags.Stretch:
@@ -210,7 +218,4 @@ def convertImage(source, target, device, flags):
     if flags & ImageFlags.Quantize:
         image = quantizeImage(image, palette)
 
-    try:
-        image.save(target)
-    except IOError:
-        raise RuntimeError('Cannot write image file %s' % target)
+    saveImage(image, target)

mangle/ui/options.ui

@@ -162,7 +162,7 @@
       <item>
        <widget class="QCheckBox" name="checkboxSplit">
         <property name="text">
-         <string>Split left and right pages</string>
+         <string>Split images into two pages (right, left)</string>
         </property>
        </widget>
       </item>