UIColor 매크로(RGB, RGBA, HTML)

Programming/Objective-C 2012.04.04 17:49


#define RGB(r, g, b) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:1]

#define RGBA(r, g, b, a) [UIColor colorWithRed:r/255.0 green:g/255.0 blue:b/255.0 alpha:a]

#define HTML(rgb) RGB((double)(rgb >> 16 & 0xff), (double)(rgb >> 8 & 0xff), (double)(rgb & 0xff))

//////////////////////////////////////////////////////////////////////

// Code without the macro

  msgLabel.textColor = [UIColor colorWithRed:255/255.0 green:251/255.0 blue:204/255.0 alpha:1];

// Or like this...

  msgLabel.textColor = [UIColor colorWithRed:1.0 green:.98 blue:.8 alpha:1];

 

// Code with macro

      msgLabel.textColor = RGB(255, 251, 204);

[label setTextColor:HTML(0xff0000)];


참고 : http://iphonedevelopertips.com/cocoa/uicolor-macros.html









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