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topin89/pilnplut.py

Created August 21, 2018 11:37
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Custom lookup table for Pillow and Numpy
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pilnplut.py
from PIL import Image
import numpy as np
IM_LUT=np.array([(255,255,255,255),(0,0,0,255),
(255,0,0,255),(0,255,0,255),(0,0,255,255),
(255,255,0,255),(255,0,255,255),(0,255,255,255),
(128,0,0,255),(0,128,0,255),(0,0,128,255),
(128,128,0,255),(128,0,128,255),(0,128,128,255),
(128,255,0,255),(128,0,255,255),(0,128,255,255),
(255,128,0,255),(255,0,128,255),(0,255,128,64),]
).astype(np.uint8)# Your lut here, preferebally 256 entries
image_data = np.zeros((width, height), dtype=np.uint8) #Your data here
Image.fromarray(IM_LUT[image_data], 'RGBA').save("image.bmp")
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