上大学时候的一个习作，是模仿国外一个截图软件做的。它不但可以抓图，而且还可以选择抓图的形状，比如圆形、方形、三角形等。还有其它的一些辅助功能有很多-When one exercises in college, is an imitation of a screenshot of foreign software to do. It can not only drawings, but can also choose the shape of drawings, such as round, sq