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UIColor (XYCategory)

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#import <UIKit/UIKit.h>

@interface UIColor (XYCategory)

+ (UIColor *)colorWithHex:(long)hexColor;
+ (UIColor *)colorWithHex:(long)hexColor alpha:(float)opacity;
+ (UIColor *)colorWithHexString:(NSString *)hexColor;
+ (CGColorRef)getCGColorFromRed:(int)red Green:(int)green Blue:(int)blue Alpha:(int)alpha;

@end

 

 

#import "UIColor+XYCategory.h"

@implementation UIColor (XYCategory)

+ (UIColor *)colorWithHex:(long)hexColor
{
    return [UIColor colorWithHex:hexColor alpha:1.];
}

+ (UIColor *)colorWithHex:(long)hexColor alpha:(float)opacity
{
    float red = ((float)((hexColor & 0xFF0000) >> 16)) / 255.0;
    float green = ((float)((hexColor & 0xFF00) >> 8)) / 255.0;
    float blue = ((float)(hexColor & 0xFF)) / 255.0;
    return [UIColor colorWithRed:red green:green blue:blue alpha:opacity];
}

+ (UIColor *)colorWithHexString:(NSString *)hexColor
{
    NSString *cString = [[hexColor stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
    
    if ([cString length] < 6)
        return [UIColor whiteColor];
    if ([cString hasPrefix:@"0X"])
        cString = [cString substringFromIndex:2];
    else if ([cString hasPrefix:@"#"])
        cString = [cString substringFromIndex:1];
    if ([cString length] != 6)
        return [UIColor whiteColor];
    
    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];
}

+(CGColorRef)getCGColorFromRed:(int)red Green:(int)green Blue:(int)blue Alpha:(int)alpha
{
    CGFloat r = (CGFloat) red/255.0;
    CGFloat g = (CGFloat) green/255.0;
    CGFloat b = (CGFloat) blue/255.0;
    CGFloat a = (CGFloat) alpha/255.0;
    CGFloat components[4] = {r,g,b,a};
    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
    
    CGColorRef color = CGColorCreate(colorSpace, components);
    CGColorSpaceRelease(colorSpace);
    
    return color;
}



@end

 

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