zlg 的GUI实例，包括嵌入式系统的窗口、菜单、画圆、直线、椭圆、矩形等。-zlg GUI examples, including the Embedded System window, menu, Circle, a straight line, oval, rectangle, and so on.

在触摸屏上设置三个按钮，表示三种画板功能：直线、圆和任意手绘线，选择一种功能 后，即可以以这种功能开始用手指在触摸屏上画图。 -Touchscreen in the installation of three button and slate of three functions : straight lines, circles and arbitrary hand-painted lines, choose a function, we can begin to function as

ucos中用t6963实现各种功能.画图，直线，和曲线-T6963C_App.Drawing, straight line, and curve