Added the option to never create upsacled images and made it the default.

Author: niqueco

gimpfu_android_xdpi.py

@@ -31,7 +31,7 @@
 
 UPSCALE_WARN_MESSAGE = '\nQuality of your application could be seriously affected when using upscaled bitmaps !'
 
-def write_xdpi(img, layer, res_folder, folder_prefix, image_basename, target_width, x_ldpi, x_mdpi, x_hdpi, x_xhdpi, x_xxhdpi, x_xxxhdpi, image_extension):
+def write_xdpi(img, layer, res_folder, folder_prefix, image_basename, target_width, x_ldpi, x_mdpi, x_hdpi, x_xhdpi, x_xxhdpi, x_xxxhdpi, never_upscale, image_extension):
     '''
     Resize and write images for all android density folders 
     
@@ -42,6 +42,7 @@ def write_xdpi(img, layer, res_folder, folder_prefix, image_basename, target_wid
     @param image_basename: basename of your image, ex: icon
     @param target_width: new width for your image
     @param target_dpi: reference density for your target width
+    @param never_upscale: wether to refuse to create upscaled images
     @param image_extension: output format
     '''
 
@@ -81,7 +82,12 @@ def write_xdpi(img, layer, res_folder, folder_prefix, image_basename, target_wid
         print('%s : %dx%d' % (folder, new_width, new_height))
 
         if (new_width>new_img.width):
-            warnings.append('Resource for %s has been upscaled by %0.2f' % 
+            if never_upscale:
+                warnings.append('Not creating resource for %s upscaled by %0.2f' %
+                            (folder, new_width/new_img.width))
+                continue
+            else:
+                warnings.append('Resource for %s has been upscaled by %0.2f' %
                             (folder, new_width/new_img.width))
 
         # Save the new Image
@@ -115,6 +121,7 @@ def write_xdpi(img, layer, res_folder, folder_prefix, image_basename, target_wid
                     (gimpfu.PF_BOOL, "x_xxhdpi",  "  Export xxhdpi", True),
                     (gimpfu.PF_BOOL, "x_xxxhdpi", "  Export xxxhdpi",False),
                     #(gimpfu.PF_BOOL, "x_tvdpi",   "  Export tvdpi",  False),
+                    (gimpfu.PF_BOOL, "never_upscale", "  Never create upscaled images", True),
                     (gimpfu.PF_RADIO, "image-extension", "Image Format", DEFAULT_OUTPUT_EXT, (("gif", "gif"), ("png", "png"), ("jpg", "jpg"))),
                       ], 
                 [],