利用橡皮筋技术，在Win32里实现画直线和圆的功能-use of rubber-band technology, in Win32 achieve linear and circular painting functions

利用橡皮筋技术，在Win32里实现画直线和圆的功能-use of rubber-band technology, in Win32 achieve linear and circular painting functions

能够画出各种实验结果的比较柱状图，用matlab工具-draw picture by matlab

二维画图程序，包括画直线，圆，多边形，曲线，随手画等，还可以写文本。是图形学很好的演示程序-a 2D drawing program, including painting straight lines, circles, polygons, curves, such as finger painting, but also wrote the text. Graphics is a good demonstration program