init - 初始化项目

modules/core/misc/objc/common/DMatch.h

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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