SDK/HBuilder-uniPluginDemo/Pods/HXPhotoPickerObjC/HXPhotoPicker/Category/UIButton+HXExtension.m

//
//  UIButton+HXExtension.m
//  HXPhotoPickerExample
//
//  Created by Silence on 17/2/16.
//  Copyright © 2017年 Silence. All rights reserved.
//

#import "UIButton+HXExtension.h"
#import <objc/runtime.h>

@implementation UIButton (HXExtension)

static char topNameKey;
static char rightNameKey;
static char bottomNameKey;
static char leftNameKey;

- (void)hx_setEnlargeEdgeWithTop:(CGFloat)top right:(CGFloat)right bottom:(CGFloat)bottom left:(CGFloat)left
{
    objc_setAssociatedObject(self, &topNameKey, [NSNumber numberWithFloat:top], OBJC_ASSOCIATION_COPY_NONATOMIC);
    objc_setAssociatedObject(self, &rightNameKey, [NSNumber numberWithFloat:right], OBJC_ASSOCIATION_COPY_NONATOMIC);
    objc_setAssociatedObject(self, &bottomNameKey, [NSNumber numberWithFloat:bottom], OBJC_ASSOCIATION_COPY_NONATOMIC);
    objc_setAssociatedObject(self, &leftNameKey, [NSNumber numberWithFloat:left], OBJC_ASSOCIATION_COPY_NONATOMIC);
}


- (CGRect)enlargedRect{
    NSNumber* topEdge    = objc_getAssociatedObject(self, &topNameKey);
    NSNumber* rightEdge  = objc_getAssociatedObject(self, &rightNameKey);
    NSNumber* bottomEdge = objc_getAssociatedObject(self, &bottomNameKey);
    NSNumber* leftEdge   = objc_getAssociatedObject(self, &leftNameKey);
    
    if (topEdge && rightEdge && bottomEdge && leftEdge){
        return CGRectMake(self.bounds.origin.x - leftEdge.floatValue,
                          self.bounds.origin.y - topEdge.floatValue,
                          self.bounds.size.width  + leftEdge.floatValue + rightEdge.floatValue,
                          self.bounds.size.height + topEdge.floatValue + bottomEdge.floatValue);
    } else{
        return self.bounds;
    }
}

- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event{
    CGRect rect = [self enlargedRect];
    
    if (CGRectEqualToRect(rect, self.bounds)){
        return [super pointInside:point withEvent:event];
    }else{
        return CGRectContainsPoint(rect, point);
    }
}
@end