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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
//
// 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
//
// 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
//
// 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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