CommonMacro.h

#define UIColorFromRGBA(rValue, gValue, bValue, rgbAlpha)	[UIColor colorWithRed:rValue/255.0 green:gValue/255.0 blue:bValue/255.0 alpha:(rgbAlpha)]
#define UIColorFromRGBAx(rgbValue, rgbAlpha)				[UIColor colorWithRed:((float)(((rgbValue) & 0xFF0000) >> 16))/255.0 green:((float)(((rgbValue) & 0xFF00) >> 8))/255.0 blue:((float)((rgbValue) & 0xFF))/255.0 alpha:(rgbAlpha)]

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

#ifdef DEBUG
#define NSLog( s, ... ) NSLog( @"[%@ %s(%d)] %@", [[NSString stringWithUTF8String:__FILE__] lastPathComponent], __PRETTY_FUNCTION__, __LINE__, [NSString stringWithFormat:(s), ##__VA_ARGS__] )
#else
#define NSLog( s, ... )
#endif