Jot-iOS 介绍
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;
}