UIView+Dimensions.h添加对UIView定位的分类

UIView+Dimensions.h

//
//  UIView+Dimensions.h
//
//  Created by manjun.han on 12-11-21.
//  Copyright (c) 2012年 All rights reserved.
//

#import <UIKit/UIKit.h>

@interface UIView (Dimensions)

@property (nonatomic) CGFloat x ;

@property (nonatomic) CGFloat y ;

@property (nonatomic) CGFloat width ;

@property (nonatomic) CGFloat height ;

@property (nonatomic) CGSize size ;

@property (nonatomic) CGPoint origin ;

// center
@property (nonatomic) CGFloat centerX ;

@property (nonatomic) CGFloat centerY ;


// frame
@property (nonatomic) CGFloat minX ;

@property (nonatomic) CGFloat minY ;

@property (nonatomic) CGFloat midX ;

@property (nonatomic) CGFloat midY ;

@property (nonatomic) CGFloat maxX ;

@property (nonatomic) CGFloat maxY ;

// bounds
@property (nonatomic) CGFloat localMinX ;

@property (nonatomic) CGFloat localMinY ;

@property (nonatomic) CGFloat localMidX ;

@property (nonatomic) CGFloat localMidY ;

@property (nonatomic) CGFloat localMaxX ;

@property (nonatomic) CGFloat localMaxY ;

// local center
@property (nonatomic) CGFloat localCenterX ;

@property (nonatomic) CGFloat localCenterY ;

@property (nonatomic) CGPoint localCenter ;

@end

UIView+Dimensions.m

//
//  UIView+Dimensions.m
//
//  Created by manjun.han on 12-11-21.
//  Copyright (c) 2012年 All rights reserved.
//

#import "UIView+Dimensions.h"

@implementation UIView (Dimensions)
@dynamic x , y , width , height ,size ,origin , centerX , centerY , minX , minY , midX , midY , maxX , maxY ,
localMaxX,localMaxY,localMidX,localMidY,localMinX,localMinY , localCenterX , localCenterY , localCenter;
//Category中不能添加@synthesize
//@synthesize x = _x ;

-(void)setX:(CGFloat)x
{   
    CGRect frame = self.frame ;
    frame.origin.x = x;
    self.frame = frame ;
}
-(CGFloat)x
{
    return self.frame.origin.x ;
}

-(void)setY:(CGFloat)y
{   
    CGRect frame = self.frame ;
    frame.origin.y = y ;
    self.frame = frame ;
}
-(CGFloat)y
{
    return self.frame.origin.y ;
}

-(void)setWidth:(CGFloat)width
{
    CGRect frame = self.frame ;
    frame.size.width = width ;
    self.frame = frame ;
}
-(CGFloat)width
{
    return self.frame.size.width ;
}

-(void)setHeight:(CGFloat)height
{
    CGRect frame = self.frame ;
    frame.size.height = height ;
    self.frame = frame ;
}
-(CGFloat)height
{
    return self.frame.size.height ;
}

-(void)setSize:(CGSize)size
{
    CGRect frame = self.frame ;
    frame.size = size ;
    self.frame = frame ;
}
-(CGSize)size
{
    return self.frame.size ;
}

-(void)setOrigin:(CGPoint)origin
{   
    CGRect frame = self.frame ;
    frame.origin = origin ;
    self.frame = frame ;
}
-(CGPoint)origin
{
    return self.frame.origin ;
}

- (void)setCenterX:(CGFloat)centerX
{
    CGPoint center = self.center ;
    center.x = centerX ;
    self.center = center ;
}
- (CGFloat)centerX
{
    return self.center.x ;
}

- (void)setCenterY:(CGFloat)centerY
{
    CGPoint center = self.center ;
    center.y = centerY ;
    self.center = center ;
}
- (CGFloat)centerY
{
    return self.center.y ;
}

-(CGFloat)minX
{
    return CGRectGetMinX(self.frame) ;
}
-(CGFloat)minY
{
    return CGRectGetMinY(self.frame) ;
}


-(CGFloat)midX
{
    //    return self.center.x ;
    return CGRectGetMidX(self.frame) ;
}
-(CGFloat)midY
{
    //    return self.center.y ;
    return CGRectGetMidY(self.frame) ;
}


-(CGFloat)maxX
{
    return CGRectGetMaxX(self.frame) ;
}
-(CGFloat)maxY
{
    return CGRectGetMaxY(self.frame) ;
}

- (CGFloat)localMinX
{
    return CGRectGetMinX(self.bounds) ;
}

- (CGFloat)localMinY
{
    return CGRectGetMinY(self.bounds) ;
}

- (CGFloat)localMidX
{
    return CGRectGetMidX(self.bounds) ;
}

- (CGFloat)localMidY
{
    return CGRectGetMidY(self.bounds) ;
}

- (CGFloat)localMaxX
{
    return CGRectGetMaxX(self.bounds) ;
}

- (CGFloat)localMaxY
{
    return CGRectGetMaxY(self.bounds) ;
}

- (CGFloat)localCenterX
{
    return self.localMidX ;
}

- (CGFloat)localCenterY
{
    return self.localMidY ;
}

- (CGPoint)localCenter
{
    return CGPointMake(self.localCenterX, self.localCenterY) ;
}

@end