该程序代码能够实现基本的画图板功能，比如文件的新建，打开，保存，还有画笔工具及其大小，橡皮檫，图形，字体设置，输入文字等诸多功能，是一份不可多得的java简易画图板设计，值得学习。-The program code can realize the basic function of the drawing board, such as file of new, open, save, and the brush tool and its size, rubber polishing, graph