一个简单的Java画图程序，能画直线、椭圆和矩形，单击鼠标既可操作。-a simple Java drawing, and painting can be straight, oval and rectangle, click of the mouse can operate.

用java做的、多文档的，实现了对所有平面几何图形操作的画板。比如：多边形的放大、缩小、填充、旋转、移动等。而且放大缩小可以用鼠标滚轮实现、移动可以用鼠标拖动。还有就是实现了图片的拖放功能。 -To do with java, multi-document, to achieve a planar geometry for all operations. For example: polygons, zoom, fill, rotate, move, etc. And you can zoo

java编写的简单的多边形填充的小程序，拥有简单界面可通过鼠标描点并绘制多边形、还可以进行填充。-simple polygon fill java applet written with a simple interface and draw a polygon can be described by a mouse point, can also be filled.