32 lines
703 B
Python
32 lines
703 B
Python
# Convert png image to 256 palette image for Pokitto.
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#
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# author: Miloslav Ciz
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# license: CC0
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import sys
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from PIL import Image
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def rgbToIndex(r, g, b):
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return (r & 0b00000111) | ((g & 0b00000111) << 3) | ((b & 0b00000011) << 6)
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image = Image.open(sys.argv[1])
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pixels = image.load()
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sys.stdout.write("const unsigned char image[] =\n{ ")
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sys.stdout.write(str(image.size[0]) + ", " + str(image.size[1]) + " // width, height")
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count = 0
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for x in range(image.size[0]):
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for y in range(image.size[1]):
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if count % 14 == 0:
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sys.stdout.write("\n ");
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p = pixels[x,y]
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sys.stdout.write(",0x{:02x}".format(rgbToIndex(p[0] / 32, p[1] / 32, p[2] / 85)))
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count += 1
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print("\n};")
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