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