本程序通过读取文件中的数据，实现了曲线图，柱状图和饼状图的绘制，其中包括静态和动态绘图，还可以实现图形的放大缩小，和移动-this procedure to read through the document data and realized the curve, and histogram Caky the drawing, These include static and dynamic mapping, can also be reduced to enlarge the graphic

该程序可画一些常用的几何图形,包括不规则曲线.所有线条的属性可以设置.-You can use it to draw some common graphics such as circles,lines,rectangles and some sepecial curves. The lines can be adjusted.

绘图程序，可以自由绘制直线、矩形、圆、多边形，可以设置颜色和宽度，并且能够进行图元基本操作，如剪裁、缩放及填充功能。-Drawing program, free to draw lines, rectangles, circles, polygons, you can set the color and width, and can be primitive basic operations, such as cropping, scaling and filling functions.