基于JAVA实现的画笔工具

实现功能：

1. 提供了直线、矩形、椭圆等图形的绘制功能。（可随意画图，无画图方向要求）

2. 提供了文字的绘制功能。

3. 可更改前景色和背景色

4. 可绘制填充图形。

5. 可保存和打开文件。（包括文字和图形以及背景色）

6. 可清除画面。

7. 可进行撤消和重做操作。

8. 可设置字体，字号，黑体与斜体。

9. 显示鼠标位置。

10. 窗口居中显示。

11. 菜单自动激活与失效，以避免无意义操作。

12. 支持快捷键。



仅供参考学习。-JAVA-based implementation of the brush tool to achieve functional: 1. Provides linear, rectangular, oval and other graphics rendering capabilities. (Can Scribble, without drawing direction of the requirement) 2. Provide a text drawing functions. 3 foreground and background color can be changed 4 can draw filled shapes. 5 to save and open files. (Including text and graphics, and background color) 6 to clear the screen. 7 can be undo and redo operations. 8 can set the font, font size, bold and italic. 9 shows the mouse position. 10 window centered. 11 The menu is automatically activated and failure to avoid meaningless operation. 12 support shortcut keys. Reference only to learn.