qt小程序，可按照相应选项显示不同形状的图形，及转换用来绘制图形的线条。-a small program with Qt,using draw different shape.

使用Qt4.8开发，用于2d画图，可以画点，直线等,支技qt国际化,可以用qt打开，支持window-Use Qt4.8 developed for 2d drawing, you can draw points, lines, etc., support skills qt international, can be opened with qt, support window