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POHow to get indirect reference to a page object with CGPDF?
 

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  1. POHow to get indirect reference to a page object with CGPDF?
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    <p>According to Adobe's <em>"Document management - Portable Document Format - Part 1: PDF 1.7"</em> (<a href="http://www.adobe.com/content/dam/Adobe/en/devnet/acrobat/pdfs/PDF32000_2008.pdf" rel="nofollow">Pdf32000_2008.pdf</a>), section 12.3.2.1 states:</p> <blockquote> <p>A destination defines a particular view of a document, consisting of the following items:</p> <ul> <li><p>The page of the document that shall be displayed</p></li> <li><p>The location of the document window on that page</p></li> <li><p>The magnification (zoom) factor</p></li> </ul> </blockquote> <p>Example:</p> <p><code>[page /XYZ left top zoom]</code></p> <p>But in my code </p> <pre><code>CGPDFArrayGetObject(dArray, 0, &amp;dObj) </code></pre> <p>is a <code>CGPDFDictionaryRef</code>.</p> <pre><code>93 0 obj &lt;&lt; /Type /Annot /Subtype /Link /Rect [71 717 190 734] /Border [16 16 1] /A &lt;&lt; /Type /Action /S /GoTo /D [3 0 R /FitR –4 399 199 533] &gt;&gt; &gt;&gt; endobj </code></pre> <p>How can I obtain <code>3 0 R</code> from <code>/D [3 0 R /FitR –4 399 199 533]</code>?</p> <p>How can I get an indirect reference to a page object like <code>[page /XYZ left top zoom]</code>'s page object?</p> <p>Here is my code:</p> <pre><code>CGPDFPageRef pdfPage = CGPDFDocumentGetPage(pdfRef, pageNum); CGPDFDictionaryRef pageDictionary = CGPDFPageGetDictionary(pdfPage); CGPDFArrayRef outputArray; if(CGPDFDictionaryGetArray(pageDictionary, "Annots", &amp;outputArray)) { int arrayCount = 0; arrayCount = CGPDFArrayGetCount(outputArray ); if(arrayCount&gt;0) { for( int j = 0; j &lt; arrayCount; ++j ) { CGPDFObjectRef aDictObj; if(CGPDFArrayGetObject(outputArray, j, &amp;aDictObj)) { CGPDFDictionaryRef annotDict; if(CGPDFObjectGetValue(aDictObj, kCGPDFObjectTypeDictionary, &amp;annotDict)) { CGPDFDictionaryRef aDict; if(CGPDFDictionaryGetDictionary(annotDict, "A", &amp;aDict))//page 1 returns here { CGPDFArrayRef dArray; if(CGPDFDictionaryGetArray(aDict, "D", &amp;dArray)) { CGPDFObjectRef dObj; if(CGPDFArrayGetObject(dArray, 0, &amp;dObj)){ CGPDFDictionaryRef annotDict; if(CGPDFObjectGetValue(dObj, kCGPDFObjectTypeDictionary, &amp;annotDict)) { } } } } } } } } } </code></pre> <hr> <p>thank you very much for you replay~ but i have a question where can I know this object number is 3? </p> <pre><code>CGPDFArrayGetObject(dArray, 0, &amp;dObj) </code></pre> <p>get a CGPDFDictionaryRef, but I didn't find field is "3 0 R"</p> <p>and another question, If I know is "3 0 R"</p> <p>where can I find by searching your PDF for 3 0 obj</p> <p>thank you reply, thank you very very very much ... I hope get your answer agian!</p>
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