init - 初始化项目

modules/core/misc/objc/common/KeyPoint.mm

@@ -0,0 +1,96 @@
+//
+//  KeyPoint.m
+//
+//  Created by Giles Payne on 2019/12/25.
+//
+
+#import "KeyPoint.h"
+#import "Point2f.h"
+
+@implementation KeyPoint {
+    cv::KeyPoint native;
+}
+
+- (cv::KeyPoint&)nativeRef {
+    native.pt.x = self.pt.x;
+    native.pt.y = self.pt.y;
+    native.size = self.size;
+    native.angle = self.angle;
+    native.response = self.response;
+    native.octave = self.octave;
+    native.class_id = self.classId;
+    return native;
+}
+
+- (instancetype)init {
+    return [self initWithX:0 y:0 size:0];
+}
+
+- (instancetype)initWithX:(float)x y:(float)y size:(float)size angle:(float)angle response:(float)response octave:(int)octave classId:(int)classId {
+    self = [super init];
+    if (self != nil) {
+        self.pt = [[Point2f alloc] initWithX:x y:y];
+        self.size = size;
+        self.angle = angle;
+        self.response = response;
+        self.octave = octave;
+        self.classId = classId;
+    }
+    return self;
+}
+
+- (instancetype)initWithX:(float)x y:(float)y size:(float)size angle:(float)angle response:(float)response octave:(int)octave {
+    return [self initWithX:x y:y size:size angle:angle response:response octave:octave classId:-1];
+}
+
+- (instancetype)initWithX:(float)x y:(float)y size:(float)size angle:(float)angle response:(float)response {
+    return [self initWithX:x y:y size:size angle:angle response:response octave:0];
+}
+
+- (instancetype)initWithX:(float)x y:(float)y size:(float)size angle:(float)angle {
+    return [self initWithX:x y:y size:size angle:angle response:0];
+}
+
+- (instancetype)initWithX:(float)x y:(float)y size:(float)size {
+    return [self initWithX:x y:y size:size angle:-1];
+}
+
++ (instancetype)fromNative:(cv::KeyPoint&)keyPoint {
+    return [[KeyPoint alloc] initWithX:keyPoint.pt.x y:keyPoint.pt.y size:keyPoint.size angle:keyPoint.angle response:keyPoint.response octave:keyPoint.octave classId:keyPoint.class_id];
+}
+
+- (KeyPoint*)clone {
+    return [[KeyPoint alloc] initWithX:self.pt.x y:self.pt.y size:self.size angle:self.angle response:self.response octave:self.octave classId:self.classId];
+}
+
+- (BOOL)isEqual:(id)other {
+    if (other == self) {
+        return YES;
+    } else if (![other isKindOfClass:[KeyPoint class]]) {
+        return NO;
+    } else {
+        KeyPoint* keyPoint = (KeyPoint*)other;
+        return [self.pt isEqual:keyPoint.pt] && self.size == keyPoint.size && self.angle == keyPoint.angle && self.response == keyPoint.response && self.octave == keyPoint.octave && self.classId == keyPoint.classId;
+    }
+}
+
+#define FLOAT_TO_BITS(x)  ((Cv32suf){ .f = x }).i
+
+- (NSUInteger)hash {
+    int prime = 31;
+    uint32_t result = 1;
+    result = prime * result + FLOAT_TO_BITS(self.pt.x);
+    result = prime * result + FLOAT_TO_BITS(self.pt.y);
+    result = prime * result + FLOAT_TO_BITS(self.size);
+    result = prime * result + FLOAT_TO_BITS(self.angle);
+    result = prime * result + FLOAT_TO_BITS(self.response);
+    result = prime * result + self.octave;
+    result = prime * result + self.classId;
+    return result;
+}
+
+- (NSString*)description {
+    return [NSString stringWithFormat:@"KeyPoint { pt: %@, size: %f, angle: %f, response: %f, octave: %d, classId: %d}", self.pt.description, self.size, self.angle, self.response, self.octave, self.classId];
+}
+
+@end