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// | |
// UIImage+Retina4.h | |
// StunOMatic | |
// | |
// Created by Benjamin Stahlhood on 9/12/12. | |
// Copyright (c) 2012 DS Media Labs. All rights reserved. | |
// | |
#import <UIKit/UIKit.h> | |
@interface UIImage (Retina4) | |
@end |
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// | |
// UIImage+Retina4.m | |
// StunOMatic | |
// | |
// Created by Benjamin Stahlhood on 9/12/12. | |
// Copyright (c) 2012 DS Media Labs. All rights reserved. | |
// | |
#import "UIImage+Retina4.h" | |
#import <objc/objc-runtime.h> | |
static Method origImageNamedMethod = nil; | |
@implementation UIImage (Retina4) | |
+ (void)initialize { | |
origImageNamedMethod = class_getClassMethod(self, @selector(imageNamed:)); | |
method_exchangeImplementations(origImageNamedMethod, | |
class_getClassMethod(self, @selector(retina4ImageNamed:))); | |
} | |
+ (UIImage *)retina4ImageNamed:(NSString *)imageName { | |
NSLog(@"Loading image named => %@", imageName); | |
CGFloat screenScale = UIScreen.mainScreen.scale; | |
CGRect screenBounds = UIScreen.mainScreen.bounds; | |
NSMutableString *imageNameMutable = [[imageName mutableCopy] autorelease]; | |
NSRange retinaAtSymbol = [imageName rangeOfString:@"@"]; | |
if (retinaAtSymbol.location != NSNotFound) { | |
[imageNameMutable insertString:@"-568h" atIndex:retinaAtSymbol.location]; | |
} else { | |
if (screenScale == 2.f && screenBounds.size.height == 568.0f) { | |
NSRange dot = [imageName rangeOfString:@"."]; | |
if (dot.location != NSNotFound) { | |
[imageNameMutable insertString:@"-568h@2x" atIndex:dot.location]; | |
} else { | |
[imageNameMutable appendString:@"-568h@2x"]; | |
} | |
} | |
} | |
UIImage* testImage = [UIImage retina4ImageNamed:imageNameMutable]; | |
if (testImage) { | |
if (screenScale == 1.f) | |
return testImage; | |
return [UIImage imageWithCGImage:testImage.CGImage scale:screenScale orientation:testImage.imageOrientation]; | |
} | |
return [UIImage retina4ImageNamed:imageName]; | |
} | |
@end |
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// | |
// UIImage+Retina4.h | |
// StunOMatic | |
// | |
// Created by Benjamin Stahlhood on 9/12/12. | |
// Copyright (c) 2012 DS Media Labs. All rights reserved. | |
// | |
#import <UIKit/UIKit.h> | |
@interface UIImage (Retina4) | |
@end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// | |
// UIImage+Retina4.m | |
// StunOMatic | |
// | |
// Created by Benjamin Stahlhood on 9/12/12. | |
// Copyright (c) 2012 DS Media Labs. All rights reserved. | |
// | |
#import "UIImage+Retina4.h" | |
#import <objc/runtime.h> | |
#import <objc/message.h> | |
static Method origImageNamedMethod = nil; | |
@implementation UIImage (Retina4) | |
+ (void)initialize { | |
origImageNamedMethod = class_getClassMethod(self, @selector(imageNamed:)); | |
method_exchangeImplementations(origImageNamedMethod, | |
class_getClassMethod(self, @selector(retina4ImageNamed:))); | |
} | |
+ (UIImage *)retina4ImageNamed:(NSString *)imageName { | |
NSLog(@"Loading image named => %@", imageName); | |
CGFloat screenScale = UIScreen.mainScreen.scale; | |
CGRect screenBounds = UIScreen.mainScreen.bounds; | |
NSMutableString *imageNameMutable = [[imageName mutableCopy] autorelease]; | |
NSRange retinaAtSymbol = [imageName rangeOfString:@"@"]; | |
if (retinaAtSymbol.location != NSNotFound) { | |
[imageNameMutable insertString:@"-568h" atIndex:retinaAtSymbol.location]; | |
} else { | |
if (screenScale == 2.f && screenBounds.size.height == 568.0f) { | |
NSRange dot = [imageName rangeOfString:@"."]; | |
if (dot.location != NSNotFound) { | |
[imageNameMutable insertString:@"-568h@2x" atIndex:dot.location]; | |
} else { | |
[imageNameMutable appendString:@"-568h@2x"]; | |
} | |
} | |
} | |
UIImage* testImage = [UIImage retina4ImageNamed:imageNameMutable]; | |
if (testImage) { | |
if (screenScale == 1.f) | |
return testImage; | |
return [UIImage imageWithCGImage:testImage.CGImage scale:screenScale orientation:testImage.imageOrientation]; | |
} | |
return [UIImage retina4ImageNamed:imageName]; | |
} | |
@end |
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