Issue 3532 - Stop generating animation images at build time

imageConversion.py

Index: imageConversion.py
diff --git a/imageConversion.py b/imageConversion.py
index bbdcfc52564e71bf4a66025a1101a71af9b0ef38..abab5d3eb4e52ec298664d30cf5f204597cbfe81 100644
--- a/imageConversion.py
+++ b/imageConversion.py
@@ -22,34 +22,6 @@ def load_image(path):
   image.load()
   return image
 
-def ensure_same_mode(im1, im2):
-  # if both images already have the same mode (and palette, in
-  # case of mode P), don't convert anything. Images with mode P,
-  # and a different palette, are the only case where images
-  # using the same mode, will be incompatible with each other.
-  if im1.mode == im2.mode and (im1.mode != 'P' or im1.getpalette() == im2.getpalette()):
-    return (im1, im2)
-
-  # if any given image has a mode that supports colors convert both
-  # images to RGB or RGBA, otherwise convert both images to L or LA.
-  # If any given image has an alpha channel (or mode P which
-  # can store transparent pixels too) convert both images
-  # to RGBA or LA, otherwise convert both images to RGB or L.
-  mode = max(
-    Image.getmodebase(im1.mode),
-    Image.getmodebase(im2.mode),
-
-    key=('L', 'RGB').index
-  )
-
-  if any(im.mode in ('RGBA', 'LA', 'P') for im in (im1, im2)):
-    mode += 'A'
-
-  return (
-    im1 if im1.mode == mode else im1.convert(mode),
-    im2 if im2.mode == mode else im2.convert(mode),
-  )
-
 def filter_contrastToAlpha(image, baseDir):
   # In order to generate an alpha channel for images using a palette, we must
   # convert the image to RGBA. It's important to use RGBA, not LA (grayscale+alpha),
@@ -78,17 +50,6 @@ def filter_contrastToAlpha(image, baseDir):
 
   return Image.merge('LA', [Image.new('L', image.size), alpha])
 
-def filter_blend(image, baseDir, filename, opacity):
-  image, overlay = ensure_same_mode(
-    image,
-    load_image(os.path.join(
-      baseDir,
-      *filename.split('/')
-    ))
-  )
-
-  return Image.blend(image, overlay, float(opacity))
-
 def convertImages(params, files):
   metadata = params['metadata']