UIColor+Extensions.h

UIColor+Extensions.h

//
//  UIColor+Extension.h
//
//  Copyright (c) 2013 ama-dev.com. All rights reserved.
//  Created by Alexander Mack on 12.02.13.
//

#import <UIKit/UIKit.h>

typedef struct {
    float red;
    float green;
    float blue;
    float alpha;
} AMARGBColor;

static inline AMARGBColor AMARGBColorMake(float red, float green, float blue, float alpha) {
    AMARGBColor amaColor;
    amaColor.red = red;
    amaColor.green = green;
    amaColor.blue = blue;
    amaColor.alpha = alpha;
    return amaColor;
}

static inline AMARGBColor AMARGBColorMakeEqualWithAlpha(float general, float alpha) {
    AMARGBColor amaColor;
    amaColor.red = general;
    amaColor.green = general;
    amaColor.blue = general;
    amaColor.alpha = alpha;
    return amaColor;
}

static inline AMARGBColor AMARGBColorMakeEqual(float general) {
    AMARGBColor amaColor;
    amaColor.red = general;
    amaColor.green = general;
    amaColor.blue = general;
    amaColor.alpha = 1.0f;
    return amaColor;
}



@interface UIColor (Extension)

+ (UIColor *) colorWithRGB:(AMARGBColor) aRGBColor;
+ (UIColor *) colorWithHex:(u_int) aHex;
+ (UIColor *) colorWithHexString:(NSString *) aHexString;

@end

UIColor+Extensions.m

//
//  UIColor+Extension.h
//
//  Copyright (c) 2013 ama-dev.com. All rights reserved.
//  Created by Alexander Mack on 12.02.13.
//

#import "UIColor+Extension.h"

@implementation UIColor (Extension)

+ (UIColor *) colorWithRGB:(AMARGBColor) aRGBColor;
{
    return [UIColor colorWithRed:aRGBColor.red/255.0f green:aRGBColor.green/255.0f blue:aRGBColor.blue/255.0f alpha:aRGBColor.alpha];
}

+ (UIColor *) colorWithHex:(u_int) aHex;
{
    int red = (aHex & 0xFF0000) >> 16;
    int green = (aHex & 0x00FF00) >> 8;
    int blue = aHex & 0x0000FF;
    return  [UIColor colorWithRGB:AMARGBColorMake(red, green, blue, 1)];
}

+ (UIColor *) colorWithHexString:(NSString *) aHexString;
{
    unsigned hexValue = 0;
    [[NSScanner scannerWithString:[aHexString stringByReplacingOccurrencesOfString:@"#" withString:@"0x"]] scanHexInt:&hexValue];
     return [UIColor colorWithHex:hexValue];
}

@end