java编写的一个java画图程序；工具面板--画笔，直线，圆，矩形，多边形,橡皮，清除；可以调整画笔、橡皮大小；显示画色板，调整画笔颜色；可以打开已有的图片，也可以把画的图保存起来。-java write a java drawing program Tools panel- brushes, straight line, circle, rectangle, polygon, eraser, clear can adjust the brush, eraser size display

Java 编写的绘图工具，能够绘制直线、园、矩形，能够对绘制的直线、园、矩形做自由变换颜色改变等，能够打开图片，并对该图片进行自由变换。-Drawing tool written in Java that can draw a straight line, garden, rectangular, able to draw a straight line, garden, rectangles do free transform to change the color and so on, ca