颜色值转换，Document，Log

//RGB color macro
#define NormalBlue 0x25aae1
#define PressedBlue 0x1A7AA2

#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]

//RGB color macro with alpha
#define UIColorFromRGBWithAlpha(rgbValue,a) [UIColor \
colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 \
green:((float)((rgbValue & 0xFF00) >> 8))/255.0 \
blue:((float)(rgbValue & 0xFF))/255.0 alpha:a]

#define kkDocumentsDirectory() ([NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) objectAtIndex:0])

#if 0
#define NSLog(FORMAT, ...) {\
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];\
[dateFormatter setDateStyle:NSDateFormatterMediumStyle];\
[dateFormatter setTimeStyle:NSDateFormatterShortStyle];\
[dateFormatter setDateFormat:@"HH:mm:ss:SSS"]; \
NSString *str = [dateFormatter stringFromDate:[NSDate date]];\
fprintf(stderr,"\n[%s][%s:%d][%s][%s]\n",[str UTF8String], [[[NSString  stringWithUTF8String:__FILE__] lastPathComponent] UTF8String], __LINE__ ,__func__,[[NSString stringWithFormat:FORMAT, ##__VA_ARGS__] UTF8String]);\
}
#else
#define NSLog(FORMAT, ...) nil
#endif