convert png file to gameduino graphic header. You may need gameduino module of Python

png2gdh.py

#! /usr/bin/env python

# Be sure you have installed:
# easy_install PIL
# easy_install PySerial
# easy_install gameduino

import Image
import gameduino.prep as gdprep
from sys import argv

def dump_img(pngfile):
    (dpic,dchr,dpal) = gdprep.encode(Image.open(pngfile))
    imgname = pngfile.rstrip('.png')
    hdr = open(imgname+'.h', "w")
    gdprep.dump(hdr, imgname+"_pic" ,dpic)
    gdprep.dump(hdr, imgname+"_chr" ,dchr)
    gdprep.dump(hdr, imgname+"_pal" ,dpal)
    hdr.close()
    
if __name__ == "__main__":
    _,pngfile = argv
    dump_img(pngfile)
    print "%s was generated!\n" % (pngfile.rstrip('.png')+'.h')