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25 lines
484 B
Python
25 lines
484 B
Python
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#!/usr/bin/python3
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import sys
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import PIL
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from PIL import Image
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from numpy import asarray
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def main(argv):
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image = Image.open(argv[0])
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outputFilename = argv[1]
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pixels = asarray(image)
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with open(outputFilename, 'bw') as output:
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for y in range(0,image.size[1]):
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for x in range(0,image.size[0],2):
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highPixel = pixels[y][x] << 4
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lowPixel = pixels[y][x+1]
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byte = highPixel | lowPixel
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output.write(bytes([byte]))
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if __name__ == "__main__":
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main(sys.argv[1:])
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