对十六进制颜色的设置

2016-02-20  本文已影响25人  Kloar

- (UIColor *) colorFromHexRGB:(NSString *) inColorString

{

UIColor *result = nil;

unsigned int colorCode = 0;

unsigned char redByte, greenByte, blueByte;

if (nil != inColorString)

{

NSScanner *scanner = [NSScanner scannerWithString:inColorString];

(void) [scanner scanHexInt:&colorCode]; // ignore error

}

redByte = (unsigned char) (colorCode >> 16);

greenByte = (unsigned char) (colorCode >> 8);

blueByte = (unsigned char) (colorCode); // masks off high bits

result = [UIColor

colorWithRed: (float)redByte / 0xff

green: (float)greenByte/ 0xff

blue: (float)blueByte / 0xff

alpha:1.0];

return result;

}


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