//
//  KMOCROperation.h
//  PDF Reader Pro Edition
//
//  Created by 万军 on 2020/3/23.
//

/**
   无法网络翻墙 OCR 转换文本 NSOperation
*/

#import <Foundation/Foundation.h>

@class KMOCROperation;
@protocol KMOCROperationDelegate <NSObject>
@optional
- (void)OCROperation:(KMOCROperation *)operation cancelOCRImageAtIndex:(NSInteger)index;
- (void)OCROperation:(KMOCROperation *)operation startOCRImageAtIndex:(NSInteger)index;
- (void)OCROperation:(KMOCROperation *)operation finishOCRImageAtIndex:(NSInteger)index results:(NSArray *)result;
- (void)OCROperation:(KMOCROperation *)operation failureOCRImageAtIndex:(NSInteger)index error:(NSError *)error;
@end

@interface KMOCROperation : NSOperation

@property (nonatomic, assign) id<KMOCROperationDelegate> operationDelegate;

/* 设置的识别语言数组 */
@property (nonatomic, strong) NSMutableArray *selectedLanguages;

/* 需要转换的文件类型 PDF/TXT */
@property (nonatomic, strong) NSString *fileType;

/* 转换的文件保存路径 */
@property (nonatomic, strong) NSString *filePath;

/**
   非 Google OCR ONSOperation 初始化.
   @param image 需要转换的NSImage对象
   @param imageIndex 需要转换的NSImage对象的序号
*/
- (instancetype)initWithRecognitionImage:(NSImage *)image withImageIndex:(NSInteger)imageIndex;

@end