100 lines
2.7 KiB
Objective-C
100 lines
2.7 KiB
Objective-C
/*
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* This file is part of the SDWebImage package.
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* (c) Olivier Poitrey <rs@dailymotion.com>
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* (c) Jamie Pinkham
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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#import <TargetConditionals.h>
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#ifdef __OBJC_GC__
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#error SDWebImage does not support Objective-C Garbage Collection
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#endif
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#if !__has_feature(objc_arc)
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#error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
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#endif
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#if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_5_0
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#error SDWebImage doesn't support Deployement Target version < 5.0
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#endif
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#if !TARGET_OS_IPHONE
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#import <AppKit/AppKit.h>
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#ifndef UIImage
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#define UIImage NSImage
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#endif
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#ifndef UIImageView
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#define UIImageView NSImageView
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#endif
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#else
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#import <UIKit/UIKit.h>
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#endif
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// @see https://github.com/ccgus/fmdb/commit/aef763eeb64e6fa654e7d121f1df4c16a98d9f4f
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#define SDDispatchQueueRelease(q) (dispatch_release(q))
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#if TARGET_OS_IPHONE
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#if __IPHONE_OS_VERSION_MIN_REQUIRED >= 60000
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#undef SDDispatchQueueRelease
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#define SDDispatchQueueRelease(q)
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#undef SDDispatchQueueSetterSementics
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#define SDDispatchQueueSetterSementics strong
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#endif
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#else
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#if MAC_OS_X_VERSION_MIN_REQUIRED >= 1080
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#undef SDDispatchQueueRelease
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#define SDDispatchQueueRelease(q)
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#undef SDDispatchQueueSetterSementics
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#define SDDispatchQueueSetterSementics strong
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#endif
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#endif
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#if OS_OBJECT_USE_OBJC
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#define SDDispatchQueueSetterSementics strong
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#else
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#define SDDispatchQueueSetterSementics assign
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#endif
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NS_INLINE UIImage *SDScaledImageForPath(NSString *path, NSObject *imageOrData)
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{
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if (!imageOrData)
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{
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return nil;
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}
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UIImage *image = nil;
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if ([imageOrData isKindOfClass:[NSData class]])
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{
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image = [[UIImage alloc] initWithData:(NSData *)imageOrData];
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}
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else if ([imageOrData isKindOfClass:[UIImage class]])
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{
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image = (UIImage *)imageOrData;
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}
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else
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{
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return nil;
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}
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if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
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{
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CGFloat scale = 1.0;
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if (path.length >= 8)
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{
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// 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)
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NSRange range = [path rangeOfString:@"@2x." options:0 range:NSMakeRange(path.length - 8, 5)];
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if (range.location != NSNotFound)
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{
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scale = 2.0;
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}
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}
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UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
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image = scaledImage;
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}
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return image;
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}
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