1. 从sprite sheet里把每个sprite处处成image,而后用texture packer就能够生成plistapp
http://www.alferdspritesheetunpacker.forkandbeard.co.uk/forkandBeard/apps/AlferdSpritesheetUnpacker/Download.aspxspa
2. 批量去除纯色背景的方法:ci
http://graphicdesign.stackexchange.com/questions/16120/batch-replacing-color-with-transparency it