j2me游戏制作中对png图片压缩得源代码，通过del图片中一些不必要得元素，达到优化的效果！-J2ME game for png image compression in the source code, through del pictures in some unnecessary elements to achieve optimal results!

j2me中的图片压缩和加密技术的应用和说明-j2me in the image compression and encryption technology, and express