mirror of
https://github.com/elliotnunn/NetBoot.git
synced 2024-11-19 16:32:45 +00:00
30 lines
759 B
Python
30 lines
759 B
Python
|
#!/usr/bin/env python3
|
||
|
|
|
||
|
|
import sys
|
||
|
|
import argparse
|
||
|
|
import struct
|
||
|
|
|
||
|
|
args = argparse.ArgumentParser(description='32x32 BMP to assembly icon (non-B&W becomes transparent)')
|
||
|
|
args.add_argument('bmp', help='BMP file')
|
||
|
|
args = args.parse_args()
|
||
|
|
|
||
|
|
bmp = open(args.bmp, 'rb').read()
|
||
|
|
|
||
|
|
sig, fsize, pixoffset = struct.unpack_from('<HLxxxxL', bmp)
|
||
|
|
|
||
|
|
pixels = [0] * 32 * 32
|
||
|
|
mask = [0] * 32 * 32
|
||
|
|
|
||
|
|
for i in range(32*32):
|
||
|
|
px, = struct.unpack_from('<L', bmp, pixoffset+i*4)
|
||
|
|
white = int((px & 0x00FFFFFF) == 0x00FFFFFF)
|
||
|
|
clear = int((px & 0xFF000000) == 00)
|
||
|
|
|
||
|
|
pixels[i] = int(0 if clear else not white)
|
||
|
|
mask[i] = int(not clear)
|
||
|
|
|
||
|
|
as_str = ''.join(str(x) for x in (pixels + mask))
|
||
|
|
|
||
|
|
for i in range(0, 32*32*2, 32):
|
||
|
|
print(' dc.l %' + as_str[i:i+32])
|