|
@@ -0,0 +1,38 @@
|
|
|
+#!/usr/bin/python
|
|
|
+
|
|
|
+from PIL import Image
|
|
|
+
|
|
|
+imageOriginal = Image.open("medium_64_original.png")
|
|
|
+imageFake = Image.open("medium-64_decompressed.png")
|
|
|
+
|
|
|
+pixOriginal = imageOriginal.load()
|
|
|
+pixFake = imageFake.load()
|
|
|
+
|
|
|
+if imageOriginal.size != imageFake.size:
|
|
|
+ print("Images differ in Size")
|
|
|
+ exit()
|
|
|
+
|
|
|
+diffs = []
|
|
|
+
|
|
|
+Size = imageOriginal.size
|
|
|
+for y in range(Size[0]):
|
|
|
+ for x in range(Size[1]):
|
|
|
+ if pixOriginal[x,y] != pixFake[x,y]:
|
|
|
+ diffs.append([x,y])
|
|
|
+
|
|
|
+x0 = min([diff[0] for diff in diffs])
|
|
|
+x1 = max([diff[0] for diff in diffs])
|
|
|
+y0 = min([diff[1] for diff in diffs])
|
|
|
+y1 = max([diff[1] for diff in diffs])
|
|
|
+
|
|
|
+imageNew = Image.new('RGB', Size, "white")
|
|
|
+pix = imageNew.load()
|
|
|
+
|
|
|
+for x in range(x0, x1+1):
|
|
|
+ for y in range(y0, y1+1):
|
|
|
+ pix[x,y] = (0,0,0,255)
|
|
|
+
|
|
|
+for diff in diffs:
|
|
|
+ pix[diff[0], diff[1]] = (255,255,255,255)
|
|
|
+
|
|
|
+imageNew.save("decoded.png")
|