iphone-common-codes-ccteam源代码 CCSize.m-优快云博客

本文详细介绍了CCSize类的实现细节，包括初始化方法、尺寸转换、比较操作等，并提供了具体的代码示例。对于理解Cocos2d-x中尺寸管理机制有重要作用。

//  
//  CCSize.m  
//  CCFC  
//  
//  Created by xichen on 11-12-28.  
//  Copyright 2011 ccteam. All rights reserved.  
//
  

#import "CCSize.h"  
#import "CCCommon.h"  
#import "CCNSNumber.h"  


@implementation CCSize  




- (id)initWithWidth:(CGFloat)aWidth withHeight:(CGFloat)aHeight  
{  
        COMMON_INIT_BEGIN  

        self->width = aWidth;  
        self->height = aHeight;  

        COMMON_INIT_END  
}  


+ (id)sizeWithCCSize:(CCSize *)size  
{  
        CCSize *newSize = [[CCSize alloc]   
                                           initWithWidth:size->width withHeight:size->height];  
return [newSize autorelease];  
}  


- (id)initWithCGSize:(CGSize)size  
{  
        COMMON_INIT_BEGIN  

        width = size.width;  
        height = size.height;  

        COMMON_INIT_END  
}  


+ (id)sizeWithCGSize:(CGSize)size  
{  
        CCSize *newSize = [[CCSize alloc] initWithCGSize:size];  
return [newSize autorelease];  
}  


- (void)dealloc  
{  
        [super dealloc];  
}  


- (BOOL)isEqualTo:(CCSize *)anotherSize  
{  
return (FLOAT_EQUAL_TO_FLOAT(width, anotherSize->width)  
                 && FLOAT_EQUAL_TO_FLOAT(height, anotherSize->height));  
}  


- (BOOL)isEqualToCGSize:(CGSize)size  
{  
return (FLOAT_EQUAL_TO_FLOAT(width, size.width)  
                 && FLOAT_EQUAL_TO_FLOAT(height, size.height));  
}  


- (BOOL)isZero  
{  
return (FLOAT_EQUAL_TO_ZERO(width)  
                 && FLOAT_EQUAL_TO_ZERO(height));  
}  


- (void)setWidth:(CGFloat)newWidth withHeight:(CGFloat)newHeight  
{  
        self->width = newWidth;  
        self->height = newHeight;  
}  


- (CGSize)toCGSize  
{  
return CGSizeMake(width, height);  
}  


@end