Jot (Objective-C) -- 一个 iOS 框架，轻松添加图形和文字到图像中。

示例代码：

#import "ExampleViewController.h"  #import <jot.h>     @interface ExampleViewController ()  @property (nonatomic, strong) JotViewController *jotViewController;  @end     @implementation ExampleViewController     - (void)viewDidLoad  {      [super viewDidLoad];      _jotViewController = [JotViewController new];      self.jotViewController.delegate = self;         [self addChildViewController:self.jotViewController];      [self.view addSubview:self.jotViewController.view];      [self.jotViewController didMoveToParentViewController:self];      self.jotViewController.view.frame = self.view.frame;  }

项目主页：http://www.open-open.com/lib/view/home/1437968873160