init - 初始化项目

modules/core/misc/objc/common/Rect2f.mm

@@ -0,0 +1,152 @@
+//
+//  Rect2d.mm
+//
+//  Created by Giles Payne on 2019/10/09.
+//
+
+#import "Rect2f.h"
+#import "Point2f.h"
+#import "Size2f.h"
+
+@implementation Rect2f {
+    cv::Rect2f native;
+}
+
+- (float)x {
+    return native.x;
+}
+
+- (void)setX:(float)val {
+    native.x = val;
+}
+
+- (float)y {
+    return native.y;
+}
+
+- (void)setY:(float)val {
+    native.y = val;
+}
+
+- (float)width {
+    return native.width;
+}
+
+- (void)setWidth:(float)val {
+    native.width = val;
+}
+
+- (float)height {
+    return native.height;
+}
+
+- (void)setHeight:(float)val {
+    native.height = val;
+}
+
+- (cv::Rect2f&)nativeRef {
+    return native;
+}
+
+- (instancetype)initWithX:(float)x y:(float)y width:(float)width height:(float)height {
+    self = [super init];
+    if (self) {
+        self.x = x;
+        self.y = y;
+        self.width = width;
+        self.height = height;
+    }
+    return self;
+}
+
+- (instancetype)init {
+    return [self initWithX:0 y:0 width:0 height:0];
+}
+
+- (instancetype)initWithPoint:(Point2f*)point1 point:(Point2f*)point2 {
+    int x = (point1.x < point2.x ? point1.x : point2.x);
+    int y = (point1.y < point2.y ? point1.y : point2.y);
+    int width = (point1.x > point2.x ? point1.x : point2.x) - x;
+    int height = (point1.y > point2.y ? point1.y : point2.y) - y;
+    return [self initWithX:x y:y width:width height:height];
+}
+
+- (instancetype)initWithPoint:(Point2f*)point size:(Size2f*)size {
+    return [self initWithX:point.x y:point.y width:size.width height:size.height];
+}
+
+- (instancetype)initWithVals:(NSArray<NSNumber*>*)vals {
+    self = [super init];
+    if (self) {
+        [self set:vals];
+    }
+    return self;
+}
+
++ (instancetype)fromNative:(cv::Rect2f&)rect {
+    return [[Rect2f alloc] initWithX:rect.x y:rect.y width:rect.width height:rect.height];
+}
+
+- (Rect2f*)clone {
+    return [[Rect2f alloc] initWithX:self.x y:self.y width:self.width height:self.height];
+}
+
+- (Point2f*)tl {
+    return [[Point2f alloc] initWithX:self.x y:self.y];
+}
+
+- (Point2f*)br {
+    return [[Point2f alloc] initWithX:self.x + self.width y:self.y + self.height];
+}
+
+- (Size2f*)size {
+    return [[Size2f alloc] initWithWidth:self.width height:self.height];
+}
+
+- (double)area {
+    return self.width * self.height;
+}
+
+- (BOOL)empty {
+    return self.width <= 0 || self.height <= 0;
+}
+
+- (BOOL)contains:(Point2f*)point {
+    return self.x <= point.x && point.x < self.x + self.width && self.y <= point.y && point.y < self.y + self.height;
+}
+
+- (void)set:(NSArray<NSNumber*>*)vals {
+    self.x = (vals != nil && vals.count > 0) ? vals[0].floatValue : 0;
+    self.y = (vals != nil && vals.count > 1) ? vals[1].floatValue : 0;
+    self.width = (vals != nil && vals.count > 2) ? vals[2].floatValue : 0;
+    self.height = (vals != nil && vals.count > 3) ? vals[3].floatValue : 0;
+}
+
+- (BOOL)isEqual:(id)other{
+    if (other == self) {
+        return YES;
+    } else if (![other isKindOfClass:[Rect2f class]]) {
+        return NO;
+    } else {
+        Rect2f* rect = (Rect2f*)other;
+        return self.x == rect.x && self.y == rect.y && self.width == rect.width && self.height == rect.height;
+    }
+}
+
+#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.x);
+    result = prime * result + FLOAT_TO_BITS(self.y);
+    result = prime * result + FLOAT_TO_BITS(self.width);
+    result = prime * result + FLOAT_TO_BITS(self.height);
+    return result;
+}
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"Rect2f {%lf,%lf,%lf,%lf}", self.x, self.y, self.width, self.height];
+}
+
+@end