//
//  LFEditingView.h
//  LFImagePickerController
//
//  Created by LamTsanFeng on 2017/3/10.
//  Copyright © 2017年 LamTsanFeng. All rights reserved.
//

#import <UIKit/UIKit.h>
#import "LFScrollView.h"
#import "LFEditingProtocol.h"

@protocol LFEditingViewDelegate;

@interface LFEditingView : LFScrollView <LFEditingProtocol>

@property (nonatomic, strong) UIImage *image;

/** 代理 */
@property (nonatomic, weak) id<LFEditingViewDelegate> clippingDelegate;

/** 最小尺寸 CGSizeMake(80, 80) */
@property (nonatomic, assign) CGSize clippingMinSize;
/** 最大尺寸 CGRectInset(self.bounds , 20, 20) */
@property (nonatomic, assign) CGRect clippingMaxRect;

/** 开关编辑模式 */
@property (nonatomic, assign) BOOL isClipping;
- (void)setIsClipping:(BOOL)isClipping animated:(BOOL)animated;

/** 取消剪裁 */
- (void)cancelClipping:(BOOL)animated;
/** 还原 isClipping=YES 的情况有效 */
- (void)reset;
- (BOOL)canReset;
/** 旋转 isClipping=YES 的情况有效 */
- (void)rotate;
/** 长宽比例 */
- (void)setAspectRatio:(NSString *)aspectRatio;

/** 创建编辑图片 */
- (void)createEditImage:(void (^)(UIImage *editImage))complete;

- (NSArray <NSString *>*)aspectRatioDescs;

@end


@protocol LFEditingViewDelegate <NSObject>
/** 开始编辑目标 */
- (void)lf_EditingViewWillBeginEditing:(LFEditingView *)EditingView;
/** 停止编辑目标 */
- (void)lf_EditingViewDidEndEditing:(LFEditingView *)EditingView;
@end