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8bitworkshop/tools/pcx2will.py
2018-11-22 14:11:56 -05:00

47 lines
1.1 KiB
Python
Executable File

#!/usr/bin/python
import sys, array, string
col0 = 0
def tocolor(x):
if x == 0:
return 0
else:
return x + col0
def tohex2(v):
return '0x%02x'%v
with open(sys.argv[1],'rb') as f:
data = array.array('B', f.read())
assert data[0] == 0xa
assert data[3] == 8
# palette
print("byte palette[16] = {", end='')
for i in range(0,16):
r = data[16+i*3]
g = data[17+i*3]
b = data[18+i*3]
entry = (r>>5) | ((g>>2)&0x38) | (b&0xc0)
print('%s,' % (tohex2(entry)), end='')
print("}")
# image data
width = (data[9] << 8) + data[8] + 1
height = (data[11] << 8) + data[10] + 1
rowlen = (data[0x43] << 8) + data[0x42]
print("const byte sprite[] = {")
print("%d,%d," % ((width+1)/2,height))
for y in range(0,height):
ofs = 0x80 + y*rowlen
output = []
for x in range(0,width,2):
b = (tocolor(data[ofs]) << 4) + tocolor(data[ofs+1])
output.append(b)
ofs += 2
print(','.join(map(tohex2,output)) + ',')
print("}")