宏定义-阿里云开发者社区

宏定义

2015-03-24 1114

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简介： <ol start="1" class="dp-objc" style="padding:0px; border:none; list-style-position:initial; color:rgb(92,92,92); font-family:Consolas,'Courier New',Courier,mono,serif; line-height:26px; margin:0px

// 安全释放
#define RELEASE_SAFELY(__Pointer) do{[__Pointer release],__Pointer = nil;} while(0)
// 屏幕的物理高度
#define ScreenHeight [UIScreen mainScreen].bounds.size.height
// 屏幕的物理宽度
#define ScreenWidth [UIScreen mainScreen].bounds.size.width
// 调试
#define NSLOG_FUNCTION NSLog(@"%s,%d",__FUNCTION__,__LINE__)
//----------------------图片————————————————————————————————————————
//读取本地图片
#define LOADIMAGE(file,ext) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:file ofType:ext]]
//定义UIImage对象
#define IMAGE(A) [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:A ofType:nil]]
//定义UIImage对象
#define ImageNamed(_pointer) [UIImage imageNamed:_pointer]
//———————————————————————颜色类———————————————————————————-----—————————————
// rgb颜色转换（16进制->10进制）
#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
//带有RGBA的颜色设置
#define COLOR(R, G, B, A) [UIColor colorWithRed:R/255.0 green:G/255.0 blue:B/255.0 alpha:A]
// 获取RGB颜色
#define RGBA(r,g,b,a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]
#define RGB(r,g,b) RGBA(r,g,b,1.0f)
//背景色
#define BACKGROUND_COLOR [UIColor colorWithRed:242.0/255.0 green:236.0/255.0 blue:231.0/255.0 alpha:1.0]
//清除背景色
#define CLEARCOLOR [UIColor clearColor]
#pragma mark - color functions
#define RGBCOLOR(r,g,b) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:1]
#define RGBACOLOR(r,g,b,a) [UIColor colorWithRed:(r)/255.0f green:(g)/255.0f blue:(b)/255.0f alpha:(a)]
//———————————————————————TAG宏———————————————————————————-----—————————————
//viewWithTag
#define VIEWWITHTAG(_OBJECT, _TAG) [_OBJECT viewWithTag : _TAG]
//———————————————————————单例模式宏———————————————————————————-----—————————————
//.h文件处的声明
#define DEFINE_SINGLETON_FOR_HEADER(className) \
\
+ (className *)shared##className;
//.m文件处的声明
#define DEFINE_SINGLETON_FOR_CLASS(className) \
\
+ (className *)shared##className { \
static className *shared##className = nil; \
static dispatch_once_t onceToken; \
dispatch_once(&onceToken, ^{ \
shared##className = [[self alloc] init]; \
}); \
return shared##className; \
}
//———————————————————————单例模式———————————————————————————-----—————————————
static DataBaseHandle * handle = nil;
+ (DataBaseHandle *)shareInstance
{
@synchronized(self){
if (!handle) {
handle = [[DataBaseHandle alloc] init];
}
}
return handle;
}
—————————————不用你把所有NSLog的删除或注释，直接修改#if 判断的值就行了(1执行,0不执行)——————————————
#if 1
#define NSLog(FORMAT, ...) fprintf(stderr,"[%s:%d行] %s\n",[[[NSString stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], __LINE__, [[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);
#else
#define NSLog(FORMAT, ...) nil
#endif
#define NEED_OUTPUT_LOG 0
#if NEED_OUTPUT_LOG
#define SLog(xx, ...) NSLog(xx, ##__VA_ARGS__)
#define SLLog(xx, ...) NSLog(@"%s(%d): " xx, __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)
#define SLLogRect(rect) \
SLLog(@"%s x=%f, y=%f, w=%f, h=%f", #rect, rect.origin.x, rect.origin.y, \
rect.size.width, rect.size.height)
#define SLLogPoint(pt) \
SLLog(@"%s x=%f, y=%f", #pt, pt.x, pt.y)
#define SLLogSize(size) \
SLLog(@"%s w=%f, h=%f", #size, size.width, size.height)
#define SLLogColor(_COLOR) \
SLLog(@"%s h=%f, s=%f, v=%f", #_COLOR, _COLOR.hue, _COLOR.saturation, _COLOR.value)
#define SLLogSuperViews(_VIEW) \
{ for (UIView* view = _VIEW; view; view = view.superview) { SLLog(@"%@", view); } }
#define SLLogSubViews(_VIEW) \
{ for (UIView* view in [_VIEW subviews]) { SLLog(@"%@", view); } }
#else
#define SLog(xx, ...) ((void)0)
#define SLLog(xx, ...) ((void)0)
#endif

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