一个界面和功能都比较完善的画图程序，本程序在VC++6.0下经过编译、调试，可以运行。-an interface and features are relatively perfect drawing, and in the process go through VC 6.0 compiler, debugger, can run.

自己开发的，多边形扫描线填充算法，采用橡皮筋模式确定多边形轮廓，经调试通过，此代码效率很高-its own development, filled polygon scan line algorithm, using rubber-band model to determine polygon outline, debugger, this code efficiency