Add conversion profile for Kindle DX

src/calibre/customize/profiles.py

@@ -235,7 +235,22 @@ class KindleOutput(OutputProfile):
     def tags_to_string(cls, tags):
         return 'ttt '.join(tags)+'ttt '
 
+class KindleDXOutput(OutputProfile):
+
+    name        = 'Kindle DX'
+    short_name  = 'kindle_dx'
+    description = _('This profile is intended for the Amazon Kindle DX.')
+
+    # Screen size is a best guess
+    screen_size               = (1200, 824)
+    dpi                       = 150.0
+    comic_screen_size         = (1180, 800)
+
+    @classmethod
+    def tags_to_string(cls, tags):
+        return 'ttt '.join(tags)+'ttt '
+
 
 output_profiles = [OutputProfile, SonyReaderOutput, MSReaderOutput,
         MobipocketOutput, HanlinV3Output, CybookG3Output, KindleOutput,
-        SonyReaderLandscapeOutput]
+        SonyReaderLandscapeOutput, KindleDXOutput]

src/calibre/gui2/wizard/__init__.py

@@ -63,6 +63,13 @@ class Kindle(Device):
     manufacturer = 'Amazon'
     id = 'kindle'
 
+class KindleDX(Kindle):
+
+    output_profile = 'kindle_dx'
+    output_format  = 'MOBI'
+    name = 'Kindle DX'
+    id = 'kindledx'
+
 class Sony500(Device):
 
     output_profile = 'sony'
@@ -307,7 +314,7 @@ class DevicePage(QWizardPage, DeviceUI):
     def nextId(self):
         idx = list(self.device_view.selectionModel().selectedIndexes())[0]
         dev = self.dev_model.data(idx, Qt.UserRole)
-        if dev is Kindle:
+        if dev in (Kindle, KindleDX):
             return KindlePage.ID
         if dev is iPhone:
             return StanzaPage.ID