raw2png.py

"""rgb → png。带 W,H 头的直接用；不带的按同名 .raw 的尺寸。用法: python dev/raw2png.py a.rgb b.png [...]"""import sys, struct, osfrom PIL import Imagefor i in range(1, len(sys.argv), 2):    src, dst = sys.argv[i], sys.argv[i+1]    d = open(src, 'rb').read()    w, h = struct.unpack('<ii', d[:8])    if len(d) == 8 + w*h*3:        body = d[8:]    else:        cand = src.replace('.rgb', '.raw')        if os.path.exists(cand):            r = open(cand, 'rb').read(8)            w, h = struct.unpack('<ii', r)            body = d        else:            raise SystemExit('need size: ' + src)    Image.frombytes('RGB', (w, h), body).save(dst)    print(dst, w, h)