How to get image from FileAttachment Annotation in pdf file

Question

i am working on PDF annotation app i added PDF file annotation in iPhone it working fine it annotation also visible any reader but facing one issue How to get image from Fi

Answer 1

finally get solution

CGPDFDictionaryRef aDict;
    NSData *imagedata=nil;
    if(CGPDFDictionaryGetDictionary(annotDict, "FS", &aDict))
    {
        CGPDFDictionaryRef embeddedFiles;
        if (CGPDFDictionaryGetDictionary (aDict, "EF", &embeddedFiles) )
        {

            CGPDFStreamRef streamDict;
            if (CGPDFDictionaryGetStream(embeddedFiles, "F", &streamDict))
            {
                CGPDFDataFormat *format = NULL;
                CFDataRef xmlData;

                xmlData = CGPDFStreamCopyData (streamDict, format);
                imagedata=(NSData*)xmlData;

                  NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
                  NSString *documentsDirectory = [paths objectAtIndex:0];
               savedImagePath = [documentsDirectory stringByAppendingPathComponent:[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
               [(NSData*)xmlData writeToFile:savedImagePath atomically:NO];
            }
        }
    }