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troystribling/UIImage+Extensions.h

Created May 28, 2012 00:18
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Blank UIImage with Specified Color
Raw
UIImage+Extensions.h
#import <Foundation/Foundation.h>
@interface UIImage (Extensions)
+ (UIImage*)blankImage:(CGSize)_size;
+ (UIImage*)blankImage:(CGSize)_size withColor:(UIColor*)_color;
@end
Raw
UIImage+Extensions.m
#import "UIImage+Extensions.h"
@implementation UIImage (Extensions)
+ (UIImage*)blankImage:(CGSize)_size {
return [self blankImage:_size withColor:[UIColor whiteColor]];
}
+ (UIImage*)blankImage:(CGSize)_size withColor:(UIColor*)_color {
UIGraphicsBeginImageContext(_size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, _color.CGColor);
CGContextFillRect(context, CGRectMake(0.0, 0.0, _size.width, _size.height));
UIImage* outputImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return outputImage;
}
@end
Raw
UIImageExtensions.h
#import <Foundation/Foundation.h>
@interface UIImage (Extensions)
+ (UIImage*)blankImage:(CGSize)_size;
+ (UIImage*)blankImage:(CGSize)_size withColor:(UIColor*)_color;
@end
Raw
UIImageExtensions.m
#import "UIImage+Extensions.h"
@implementation UIImage (Extensions)
+ (UIImage*)blankImage:(CGSize)_size {
return [self blankImage:_size withColor:[UIColor whiteColor]];
}
+ (UIImage*)blankImage:(CGSize)_size withColor:(UIColor*)_color {
UIGraphicsBeginImageContext(_size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context, _color.CGColor);
CGContextFillRect(context, CGRectMake(0.0, 0.0, _size.width, _size.height));
UIImage* outputImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return outputImage;
}
@end
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