SDWebImageCompat.h
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/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
* (c) Jamie Pinkham
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#import <TargetConditionals.h>
#if !TARGET_OS_IPHONE
#import <AppKit/AppKit.h>
#ifndef UIImage
#define UIImage NSImage
#endif
#ifndef UIImageView
#define UIImageView NSImageView
#endif
#else
#import <UIKit/UIKit.h>
#endif
#if ! __has_feature(objc_arc)
#define SDWIAutorelease(__v) ([__v autorelease]);
#define SDWIReturnAutoreleased SDWIAutorelease
#define SDWIRetain(__v) ([__v retain]);
#define SDWIReturnRetained SDWIRetain
#define SDWIRelease(__v) ([__v release]);
#define SDWISafeRelease(__v) ([__v release], __v = nil);
#define SDWISuperDealoc [super dealloc];
#define SDWIWeak
#else
// -fobjc-arc
#define SDWIAutorelease(__v)
#define SDWIReturnAutoreleased(__v) (__v)
#define SDWIRetain(__v)
#define SDWIReturnRetained(__v) (__v)
#define SDWIRelease(__v)
#define SDWISafeRelease(__v) (__v = nil);
#define SDWISuperDealoc
#define SDWIWeak __unsafe_unretained
#endif
NS_INLINE UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData)
{
if (!imageOrData)
{
return nil;
}
UIImage *image = nil;
if ([imageOrData isKindOfClass:[NSData class]])
{
image = [[UIImage alloc] initWithData:(NSData *)imageOrData];
}
else if ([imageOrData isKindOfClass:[UIImage class]])
{
image = SDWIReturnRetained((UIImage *)imageOrData);
}
else
{
return nil;
}
if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
{
CGFloat scale = 1.0;
if (path.length >= 8)
{
// Search @2x. at the end of the string, before a 3 to 4 extension length (only if key len is 8 or more @2x. + 4 len ext)
NSRange range = [path rangeOfString:@"@2x." options:0 range:NSMakeRange(path.length - 8, 5)];
if (range.location != NSNotFound)
{
scale = 2.0;
}
}
UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:UIImageOrientationUp];
SDWISafeRelease(image)
image = scaledImage;
}
return SDWIReturnAutoreleased(image);
}