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#!/bin/python3
from PIL import Image
import sys
# return array of 12-bit color values (0bRRRGGGBBB)
def pixeldata():
image = Image.open(sys.argv[-1]) # use last argument as input image file
pixels = image.load()
pixarr = []
w,h = image.size
for x in range(w):
for y in range(h):
color = pixels[x, y]
crushed_color = ((color[0] >> 4) << 8 | (color[1] >> 4) << 4 | (color[2] >> 4) << 0)
pixarr.append(crushed_color)
return pixarr
if __name__ == "__main__":
# get array of 12-bit pixels
pixels = pixeldata()
# coe file header
print("memory_initialization_radix=16;\nmemory_initialization_vector=", end='')
# format pixel value as 12-bit hexadecimal with padding seperated by comma and space
formatted_pixels = ','.join([f"{hex(c)[2:].zfill(3)}" for c in pixels])
print(f"{formatted_pixels};")
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