画图程序

做了个基础的画图方便大家扩展

主要功能:

在图片上画线(可调节颜色与笔触)

支持撤销与反撤销

支持重新载入

支持图片拉伸-Paint program to do a basic drawing to facilitate the expansion of the main function: draw a line in the picture (you can adjust the color and brush strokes) to support the repeal of the anti-revocation support reload support image stretching