SDWebImage/SDWebImage/Core/UIImage+MultiFormat.m

61 lines
2.4 KiB
Objective-C

/*
* This file is part of the SDWebImage package.
* (c) Olivier Poitrey <rs@dailymotion.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#import "UIImage+MultiFormat.h"
#import "SDImageCodersManager.h"
#import "SDAnimatedImageRep.h"
@implementation UIImage (MultiFormat)
+ (nullable UIImage *)sd_imageWithData:(nullable NSData *)data {
return [self sd_imageWithData:data scale:1];
}
+ (nullable UIImage *)sd_imageWithData:(nullable NSData *)data scale:(CGFloat)scale {
return [self sd_imageWithData:data scale:scale firstFrameOnly:NO];
}
+ (nullable UIImage *)sd_imageWithData:(nullable NSData *)data scale:(CGFloat)scale firstFrameOnly:(BOOL)firstFrameOnly {
if (!data) {
return nil;
}
SDImageCoderOptions *options = @{SDImageCoderDecodeScaleFactor : @(MAX(scale, 1)), SDImageCoderDecodeFirstFrameOnly : @(firstFrameOnly)};
return [[SDImageCodersManager sharedManager] decodedImageWithData:data options:options];
}
- (nullable NSData *)sd_imageData {
#if SD_MAC
NSRect imageRect = NSMakeRect(0, 0, self.size.width, self.size.height);
NSImageRep *imageRep = [self bestRepresentationForRect:imageRect context:nil hints:nil];
// Check weak animated data firstly
if ([imageRep isKindOfClass:[SDAnimatedImageRep class]]) {
SDAnimatedImageRep *animatedImageRep = (SDAnimatedImageRep *)imageRep;
NSData *imageData = [animatedImageRep animatedImageData];
if (imageData) {
return imageData;
}
}
#endif
return [self sd_imageDataAsFormat:SDImageFormatUndefined];
}
- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat {
return [self sd_imageDataAsFormat:imageFormat compressionQuality:1];
}
- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat compressionQuality:(double)compressionQuality {
return [self sd_imageDataAsFormat:imageFormat compressionQuality:compressionQuality firstFrameOnly:NO];
}
- (nullable NSData *)sd_imageDataAsFormat:(SDImageFormat)imageFormat compressionQuality:(double)compressionQuality firstFrameOnly:(BOOL)firstFrameOnly {
SDImageCoderOptions *options = @{SDImageCoderEncodeCompressionQuality : @(compressionQuality), SDImageCoderEncodeFirstFrameOnly : @(firstFrameOnly)};
return [[SDImageCodersManager sharedManager] encodedDataWithImage:self format:imageFormat options:options];
}
@end