In graphics engine module, we firstly study the OSD device engine, and bring forward the design method of the graphics display memory, lastly implement the basal drawing and the work of bitmap.

• 在图形引擎模块设计中,首先从OSD设备驱动入手,提出了图形显示内存设计方案,完成了图形引擎基本绘图和位图操作的实现。