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我正在开发PDF注释应用程序我在iPhone中添加了PDF文件注释它工作正常它注释也可见任何阅读器但面临一个问题如何从PDF文件中的文件附件注释中获取图像，其是从桌面创建的注释如何解决这个问题

我正在使用此代码从文件附件注释中获取注释的内容和位置，它工作正常

CGPDFDictionaryRef pageDictionary = CGPDFPageGetDictionary(pPage);
  //  NSLog(@"%@",(NSDictionary*)pageDictionary);
    CGPDFArrayRef outputArray;
    if(!CGPDFDictionaryGetArray(pageDictionary, "Annots", &outputArray)) {
        [pdfAnnots release];
        return nil;
    }
 CGPDFArrayRef rectArray;
            if(!CGPDFDictionaryGetArray(annotDict, "Rect", &rectArray)) {
                break;
            }

            int arrayCount = CGPDFArrayGetCount( rectArray );
            CGPDFReal coords[4];
            for( int k = 0; k < arrayCount; ++k ) {
                CGPDFObjectRef rectObj;
                if(!CGPDFArrayGetObject(rectArray, k, &rectObj)) {
                    break;
                }

                CGPDFReal coord;
                if(!CGPDFObjectGetValue(rectObj, kCGPDFObjectTypeReal, &coord)) {
                    break;
                }

                coords[k] = coord;
            }               

            CGRect rect = CGRectMake(coords[0],coords[1],coords[2],coords[3]);

            NSLog(@"%@",NSStringFromCGRect(rect));

更新

    CGPDFDictionaryRef aDict;

    if(CGPDFDictionaryGetDictionary(annotDict, "AP", &aDict)) 
    {

      CGPDFStreamRef textStringRef33;
        if(CGPDFDictionaryGetStream(aDict, "N", &textStringRef33)) {


         UIImage *image= getImageRef(textStringRef33);
            CGPDFDataFormat *format = NULL;

            CFDataRef contdata = CGPDFStreamCopyData( textStringRef33, format );

            NSData *data=(NSData*)contdata;
   }

请帮我

先感谢您

4

1 回答 1

2

终于得到解决方案

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];
            }
        }
    }
于 2013-09-07T06:51:16.723 回答