一个简洁的白板库

项目介绍：

项目介绍：
仓库地址: https://github.com/MakeHui/MHWhiteboard

使用:

1. #import <MHWhiteboard/MHWhiteboard.h>
3. MHWhiteboardView *whiteboardView = [[MHWhiteboardView alloc] initWithFrame:CGRectMake(0, 0, 375, 500)];
5. [whiteboardView setBrushColor:[UIColor redColor]];    // 设置画笔颜色
6. [whiteboardView setBrushWidth:10.0f];    // 设置画笔宽度
7. [whiteboardView setForegroundImage:[UIImage new]];    // 设置前景图片
8. [whiteboardView setBackgroundImage:[UIImage new]];    // 设置背景图片
9. [whiteboardView undo];    // 撤销
10. [whiteboardView repeat]; // 回撤
11. [whiteboardView clearBackgroundImage];    // 清除背景图片
12. [whiteboardView clearAll];    // 清空白板
14. // Set current tool
15. typedef NS_OPTIONS(NSUInteger, MHPathModelAction) {
16.     MHPathModelActionLine = 1 << 16,
17.     MHPathModelActionStraightLine = 1 << 17,
18.     MHPathModelActionCircle = 1 << 18,
19.     MHPathModelActionRectangle = 1 << 19,
20.     MHPathModelActionPolygon = 1 << 20,
21.     MHPathModelActionText = 1 << 21,
22.     // MHPathModelActionSmear = 1 << 22,
23.     // MHPathModelActionMosaic = 1 << 23,
24. };
26. whiteboardView.pathModelAction = MHPathModelAction;

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