#!/usr/bin/env python
# coding: utf-8

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from PIL import Image
import numpy as np


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I = Image.open('font.png')
I


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data = np.array(I)


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def pack_data_into_bytes(data):
    for line in data:
        val = 0
        for i, px in enumerate(line):
            val += 0 if px == 0 else (1 << i)
        yield val


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bytedata = [*pack_data_into_bytes(data)]


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len(bytedata)


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32*4


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bytedata


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with open('src/assets/font.data', 'wb') as f:
    f.write(bytes(bytedata))


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subpixel = Image.open("Yesh1.gif")
subpixel_rgb = subpixel.convert("RGB")


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data = np.array(subpixel)
data


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part = Image.fromarray(data[8:16, :4], mode='RGB')


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def get_palette_colors(img, num_colors = 20):
    raw_data = img.palette.getdata()[1][:3*num_colors]
    for i in range(num_colors):
        rgb = raw_data[3*i:3*(i+1)]
        yield [*rgb]


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for (r, g, b) in [*get_palette_colors(subpixel)]:
    print(f"{r>>3} {g>>3} {b>>3}")


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subpixel


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def get_chars(img_data):
    for i in range(3):
        for j in range(32):
            yield data[8*i:8*(i+1), 8*j:8*j+4]


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[*zip(*[[1,2,3], [4,5,6]])]


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subpixel.size


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32*3


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stacked = np.vstack([*get_chars(data)])


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fontdata = bytes(stacked.reshape(-1))
with open('src/assets/subpixel.data', 'wb') as f:
    f.write(fontdata)


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subpixel.mode


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stacked.putpalette(subpixel.palette.getdata()[1])


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stacked


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stacked.save("stacked.gif")


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subpixel.getcolors()


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subpixel.palette.tobytes()


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stacked.palette.dirty


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onepixel = Image.open("subtext1.png")
opa = np.array(onepixel)


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opa[7:12,1]


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