Iphone手机开发的关于OpenGL、2D图形设计的示例程序，可以直接用X-code开发工具和Iphone模拟器运行。-Iphone mobile phone about the development of OpenGL, 2D graphic design of the sample programs can be directly used for X-code development tools and Iphone simulator is running.

Quartz2D基础功能展示，画线，画矩形，画图-Quartz2D basic function display, draw lines, draw a rectangle, drawing

iOS 绘制demo，很强大，很齐全，欢迎大家下载，-iOS draw demo, very powerful, very complete, welcome to download.