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39 lines
858 B
Python
Executable File
39 lines
858 B
Python
Executable File
#!/usr/bin/env python3
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import sys
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import argparse
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import struct
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args = argparse.ArgumentParser(description='32x32 BMP to assembly icon (non-B&W becomes transparent)')
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args.add_argument('bmp', help='BMP file')
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args = args.parse_args()
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bmp = open(args.bmp, 'rb').read()
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sig, fsize, pixoffset, w, h = struct.unpack_from('<HLxxxxLxxxxLl', bmp)
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h = abs(h)
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if w != 32: sys.exit('width must be 32')
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pixels = []
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mask = []
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for row in range(h):
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row_pix = ''
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row_mask = ''
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for col in range(w):
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px, = struct.unpack_from('<L', bmp, pixoffset + row*w*4 + col*4)
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white = bool(px & 0x00FFFFFF)
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opaque = bool(px & 0xFF000000)
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row_pix += str(int(opaque and not white))
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row_mask += str(int(opaque))
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pixels.append(row_pix)
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mask.append(row_mask)
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for i in pixels+mask:
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print(' dc.l %' + i)
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