简易的图片处理框架。采用GPUImage实现，包含滤镜，特效，虚化，裁剪，旋转，光影，边框，色彩参数调整功能
导入头文件 #import "HCPhotoEditViewController.h"
HCPhotoEditViewController *editController = [[HCPhotoEditViewController alloc] init]; editController.oriImage = imageView.image; editController.delegate = self; [self presentViewController:editController animated:YES completion:nil]; 实现代理HCPhotoEditViewControllerDelegate
/** 点击“完成”按钮回调函数 */ -(void)didClickFinishButtonWithEditController:(HCPhotoEditViewController*)controller newImage:(UIImage*)newImage; /** 点击“取消”按钮回调函数 */ -(void)didClickCancelButtonWithEditController:(HCPhotoEditViewController*)controller;