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2014/10/15 ¤U¤È 10:11:23

iphone Programming Glossary: metadataasmutable

Problem setting exif data for an image

http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image

source 0 NULL make the metadata dictionary mutable so we can add properties to it NSMutableDictionary metadataAsMutable metadata mutableCopy autorelease metadata release NSMutableDictionary EXIFDictionary metadataAsMutable objectForKey NSString.. metadataAsMutable metadata mutableCopy autorelease metadata release NSMutableDictionary EXIFDictionary metadataAsMutable objectForKey NSString kCGImagePropertyExifDictionary mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable.. objectForKey NSString kCGImagePropertyExifDictionary mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease if EXIFDictionary if the image does not have..