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Painter

于 2016-11-23 发布 文件大小:63KB
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代码说明:

  当用户按下鼠标左键在如下图所示的面板上移动鼠标时,根据鼠标的移动轨迹在面板上画图。(When the user presses the left mouse button on the panel as shown in the following figure to move the mouse, according to the mouse movement trajectory in the panel drawing.)

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