49 lines
1.5 KiB
Objective-C
49 lines
1.5 KiB
Objective-C
//
|
|
// SDWebImageCompat.m
|
|
// SDWebImage
|
|
//
|
|
// Created by Olivier Poitrey on 11/12/12.
|
|
// Copyright (c) 2012 Dailymotion. All rights reserved.
|
|
//
|
|
|
|
#import "SDWebImageCompat.h"
|
|
|
|
#if !__has_feature(objc_arc)
|
|
#error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag
|
|
#endif
|
|
|
|
inline UIImage *SDScaledImageForKey(NSString *key, UIImage *image)
|
|
{
|
|
if ([image.images count] > 0)
|
|
{
|
|
NSMutableArray *scaledImages = [NSMutableArray array];
|
|
|
|
for (UIImage *tempImage in image.images)
|
|
{
|
|
[scaledImages addObject:SDScaledImageForKey(key, tempImage)];
|
|
}
|
|
|
|
return [UIImage animatedImageWithImages:scaledImages duration:image.duration];
|
|
}
|
|
else
|
|
{
|
|
if ([[UIScreen mainScreen] respondsToSelector:@selector(scale)])
|
|
{
|
|
CGFloat scale = 1.0;
|
|
if (key.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 = [key rangeOfString:@"@2x." options:0 range:NSMakeRange(key.length - 8, 5)];
|
|
if (range.location != NSNotFound)
|
|
{
|
|
scale = 2.0;
|
|
}
|
|
}
|
|
|
|
UIImage *scaledImage = [[UIImage alloc] initWithCGImage:image.CGImage scale:scale orientation:image.imageOrientation];
|
|
image = scaledImage;
|
|
}
|
|
return image;
|
|
}
|
|
}
|