16进制颜色(html颜色值)字符串转为UIColor
2014-08-11 12:16
609 查看
/** * 字符串转颜色 */ @interface ColorTool : NSObject //字符串转颜色 + (UIColor *) colorWithHexString: (NSString *) stringToConvert; @end
@implementation ColorTool
#define DEFAULT_VOID_COLOR [UIColor whiteColor]
+ (UIColor *) colorWithHexString: (NSString *) stringToConvert
{
NSString *cString = [[stringToConvert stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
if ([cString length] < 6)
return DEFAULT_VOID_COLOR;
if ([cString hasPrefix:@"#"])
cString = [cString substringFromIndex:1];
if ([cString length] != 6)
return DEFAULT_VOID_COLOR;
NSRange range;
range.location = 0;
range.length = 2;
NSString *rString = [cString substringWithRange:range];
range.location = 2;
NSString *gString = [cString substringWithRange:range];
range.location = 4;
NSString *bString = [cString substringWithRange:range];
unsigned int r, g, b;
[[NSScanner scannerWithString:rString] scanHexInt:&r];
[[NSScanner scannerWithString:gString] scanHexInt:&g];
[[NSScanner scannerWithString:bString] scanHexInt:&b];
return [UIColor colorWithRed:((float) r / 255.0f)
green:((float) g / 255.0f)
blue:((float) b / 255.0f)
alpha:1.0f];
}
@end
参考:http://www.cocoachina.com/bbs/read.php?tid=140018
相关文章推荐
- 16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- iOS开发之16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- ios开发之16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- RGB颜色转换_16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- iOS开发中16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- ios开发之16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor
- ios开发之16进制颜色(html颜色值)字符串转为UIColor
- 16进制颜色(html颜色值)字符串转为UIColor【RGB】