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#import <UIKit/UIKit.h>
#import <ImageIO/ImageIO.h>
#import <MobileCoreServices/MobileCoreServices.h>
- (void)exportAnimatedGif
{
UIImage *shacho = [UIImage imageNamed:@"shacho.png"];
UIImage *bucho = [UIImage imageNamed:@"bucho.jpeg"];
NSString *path = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"animated.gif"];
CGImageDestinationRef destination = CGImageDestinationCreateWithURL((CFURLRef)[NSURL fileURLWithPath:path],
kUTTypeGIF,
2,
NULL);
NSDictionary *frameProperties = [NSDictionary dictionaryWithObject:[NSDictionary dictionaryWithObject:[NSNumber numberWithInt:2] forKey:(NSString *)kCGImagePropertyGIFDelayTime]
forKey:(NSString *)kCGImagePropertyGIFDictionary];
NSDictionary *gifProperties = [NSDictionary dictionaryWithObject:[NSDictionary dictionaryWithObject:[NSNumber numberWithInt:0] forKey:(NSString *)kCGImagePropertyGIFLoopCount]
forKey:(NSString *)kCGImagePropertyGIFDictionary];
CGImageDestinationAddImage(destination, shacho.CGImage, (CFDictionaryRef)frameProperties);
CGImageDestinationAddImage(destination, bucho.CGImage, (CFDictionaryRef)frameProperties);
CGImageDestinationSetProperties(destination, (CFDictionaryRef)gifProperties);
CGImageDestinationFinalize(destination);
CFRelease(destination);
NSLog(@"animated GIF file created at %@", path);
}
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