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28 lines
829 B
Python
Executable File
28 lines
829 B
Python
Executable File
#!/usr/bin/env python3
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'''Script to generate BLOCK_SPRITE constant'''
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BLK_SIZE = 8
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def rgb565(r, g, b):
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return ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
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image = [[(0, 0, 0)] * BLK_SIZE for _ in range(BLK_SIZE)]
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mm = BLK_SIZE//2-1
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for y in range(BLK_SIZE//2):
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for x in range(BLK_SIZE//2):
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l = min(min(x,y),mm)
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col = (0xa8*(l+1)//mm,0x48*(l+1)//mm,0xa8*(l+1)//mm)
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image[y][x] = col
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image[BLK_SIZE-y-1][x] = col
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image[y][BLK_SIZE-x-1] = col
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image[BLK_SIZE-y-1][BLK_SIZE-x-1] = col
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outb = []
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for y in range(BLK_SIZE):
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outb.append([((rgb565(*image[y][x*2+0])<<16) | rgb565(*image[y][x*2+1])) for x in range(BLK_SIZE//2)])
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print('pub static BLOCK_SPRITE: [[u32; 4];8] = [')
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for y in outb:
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print(' [%s],' % (', '.join(('0x%08x' % i) for i in y)))
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print('];')
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