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August 29, 2015 14:19
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useful gif thing
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-(void)createGIF:(id)args | |
{ | |
//NSURL *filename = [NSURL URLWithString:[args objectAtIndex:0]]; | |
NSString *filename = [args objectAtIndex:0]; | |
NSArray *images = [args objectAtIndex:1]; | |
float delay = [TiUtils floatValue:[args objectAtIndex:2]]; | |
float loop = [TiUtils floatValue:[args objectAtIndex:3]]; | |
// CFStringRef CFloop = (__bridge CFStringRef)loop; | |
// CFStringRef CFdelay = (__bridge CFStringRef)delay; | |
BOOL newImagesIsArray = [images isKindOfClass:[NSArray class]]; | |
if(newImagesIsArray) | |
{ | |
NSUInteger kFrameCount = [images count]; | |
NSDictionary *frameProperties = [NSDictionary dictionaryWithObject:[NSDictionary dictionaryWithObject:[NSNumber numberWithFloat:delay] forKey:(NSString *)kCGImagePropertyGIFDelayTime] forKey:(NSString *)kCGImagePropertyGIFDictionary]; | |
NSDictionary *fileProperties = [NSDictionary dictionaryWithObject:[NSDictionary dictionaryWithObject:[NSNumber numberWithFloat:loop] forKey:(NSString *)kCGImagePropertyGIFLoopCount] forKey:(NSString *)kCGImagePropertyGIFDictionary]; | |
NSURL *documentsDirectoryURL = [[NSFileManager defaultManager] URLForDirectory:NSDocumentDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:nil]; | |
NSURL *fileURL = [documentsDirectoryURL URLByAppendingPathComponent:filename]; | |
CGImageDestinationRef destination = CGImageDestinationCreateWithURL((__bridge CFURLRef)fileURL, kUTTypeGIF, kFrameCount, NULL); | |
CGImageDestinationSetProperties(destination, (__bridge CFDictionaryRef)fileProperties); | |
// Read the array of image urls. (provide full path) | |
for (NSString * thisImage in images) | |
{ | |
NSURL *theurl = [NSURL URLWithString:thisImage]; | |
UIImage *image = [UIImage imageWithContentsOfFile:[theurl path]]; | |
if (image != nil) { | |
CGImageDestinationAddImage(destination, image.CGImage, (__bridge CFDictionaryRef)frameProperties); | |
image = nil; | |
} | |
} | |
if (!CGImageDestinationFinalize(destination)) { | |
NSLog(@"[INFO] failed to finalize image destination"); | |
} | |
CFRelease(destination); | |
NSLog(@"[INFO] GIF created at : %@", fileURL); | |
} | |
} |
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