init - 初始化项目

modules/core/misc/objc/common/Point2f.h

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+//
+//  Point2f.h
+//
+//  Created by Giles Payne on 2019/10/09.
+//
+
+#pragma once
+
+#ifdef __cplusplus
+#import "opencv2/core.hpp"
+#else
+#define CV_EXPORTS
+#endif
+
+#import <Foundation/Foundation.h>
+
+@class Rect2f;
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+* Represents a two dimensional point the coordinate values of which are of type `float`
+*/
+CV_EXPORTS @interface Point2f : NSObject
+
+# pragma mark - Properties
+
+@property float x;
+@property float y;
+#ifdef __cplusplus
+@property(readonly) cv::Point2f& nativeRef;
+#endif
+
+# pragma mark - Constructors
+
+- (instancetype)init;
+- (instancetype)initWithX:(float)x y:(float)y;
+- (instancetype)initWithVals:(NSArray<NSNumber*>*)vals;
+
+#ifdef __cplusplus
++ (instancetype)fromNative:(cv::Point2f&)point;
+- (void)update:(cv::Point2f&)point;
+#endif
+
+# pragma mark - Methods
+
+/**
+* Calculate the dot product of this point and another point
+* @param point The other point
+*/
+- (double)dot:(Point2f*)point;
+
+/**
+* Determine if the point lies with a specified rectangle
+* @param rect The rectangle
+*/
+- (BOOL)inside:(Rect2f*)rect;
+
+/**
+* Set the point coordinates from the values of an array
+* @param vals The array of values from which to set the coordinates
+*/
+- (void)set:(NSArray<NSNumber*>*)vals NS_SWIFT_NAME(set(vals:));
+
+# pragma mark - Common Methods
+
+/**
+* Clone object
+*/
+- (Point2f*)clone;
+
+/**
+* Compare for equality
+* @param other Object to compare
+*/
+- (BOOL)isEqual:(nullable id)other;
+
+/**
+* Calculate hash value for this object
+*/
+- (NSUInteger)hash;
+
+/**
+* Returns a string that describes the contents of the object
+*/
+- (NSString*)description;
+@end
+
+NS_ASSUME_NONNULL_END