RFImageToDataTransformer.m
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/*
File: RFImageToDataTransformer.m
Abstract: A value transformer, which transforms a UIImage or NSImage object into an NSData object.
Based on Apple's UIImageToDataTransformer
Copyright (C) 2010 Apple Inc. All Rights Reserved.
Copyright (C) 2011 RF.com All Rights Reserved.
*/
#import "RFImageToDataTransformer.h"
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
#else
#endif
@implementation RFImageToDataTransformer
+ (BOOL)allowsReverseTransformation {
return YES;
}
+ (Class)transformedValueClass {
return [NSData class];
}
- (id)transformedValue:(id)value {
#if TARGET_OS_IPHONE
return UIImagePNGRepresentation(value);
#else
return [(NSImage *)value TIFFRepresentation];
#endif
}
- (id)reverseTransformedValue:(id)value {
#if TARGET_OS_IPHONE
return [[UIImage alloc] initWithData:value];
#else
return [[NSImage alloc] initWithData:value];
#endif
}
@end