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//
// DMatch.h
//
// Created by Giles Payne on 2019/12/25.
//
#pragma once
#ifdef __cplusplus
#import "opencv2/core.hpp"
#else
#define CV_EXPORTS
#endif
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
/**
* Structure for matching: query descriptor index, train descriptor index, train
* image index and distance between descriptors.
*/
CV_EXPORTS @interface DMatch : NSObject
/**
* Query descriptor index.
*/
@property int queryIdx;
/**
* Train descriptor index.
*/
@property int trainIdx;
/**
* Train image index.
*/
@property int imgIdx;
/**
* Distance
*/
@property float distance;
#ifdef __cplusplus
@property(readonly) cv::DMatch& nativeRef;
#endif
- (instancetype)init;
- (instancetype)initWithQueryIdx:(int)queryIdx trainIdx:(int)trainIdx distance:(float)distance;
- (instancetype)initWithQueryIdx:(int)queryIdx trainIdx:(int)trainIdx imgIdx:(int)imgIdx distance:(float)distance;
#ifdef __cplusplus
+ (instancetype)fromNative:(cv::DMatch&)dMatch;
#endif
/**
* Distance comparison
* @param it DMatch object to compare
*/
- (BOOL)lessThan:(DMatch*)it;
/**
* Clone object
*/
- (DMatch*)clone;
/**
* Compare for equality
* @param other Object to compare
*/
- (BOOL)isEqual:(nullable id)other;
/**
* Calculate hash for this object
*/
- (NSUInteger)hash;
/**
* Returns a string that describes the contents of the object
*/
- (NSString*)description;
@end
NS_ASSUME_NONNULL_END
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