嵌入式图形库pixman

运行平台 Linux,FreeBSD,UNIX 
嵌入式图形库，很多开源软件都用到的，特别是如开发gtk这样的图形图像程序.

Pixman: The pixel-manipulation library for X and cairo.Pixman is a low-level software library for pixel manipulation, providing features such as image compositing and trapezoid rasterization. Important users of pixman are the cairo graphics library and the X server. 
Pixman is implemented as a library in the C programming language. It runs on many platforms, including Linux, BSD Derivatives, MacOS X, and Windows. 
Pixman is free and open source software. It is available to be redistributed and/or modified under the terms of the MIT license.