bmp
http://dev.gameres.com/Program/Visual/Other/BMPFormat.htm
BMP文件结构的探索:
http://dev.gameres.com/Program/Visual/Other/WhatIfBMPFormat.doc
JPEG 简易文档:
http://dev.gameres.com/Program/Visual/Other/JPEG.htm
GIF文档:
http://dev.gameres.com/Program/Visual/Other/GIFDoc.htm
PNG格式:
http://dev.gameres.com/Program/Visual/Other/PNGFormat.htm