通过命令行处理图形
http://www.ibm.com/developerworks/cn/linux/l-graf/
通过命令行进一步处理图形
http://www.ibm.com/developerworks/cn/linux/l-graf2/index.html#resources
http://www.ibm.com/developerworks/cn/linux/l-graf/
http://www.ibm.com/developerworks/cn/linux/l-graf2/index.html#resources