title: How do I convert a PDF stored as NSData to a CGPDFPageRef?
body: <p>Please see the following code:</p>
  
  <pre><code>NSString *pdfPath = [documentsDirectory stringByAppendingPathComponent:@"test.pdf"]; 
  NSData *myData = [NSData dataWithContentsOfFile:pdfPath];  
  </code></pre>
  
  <p>How do I convert myData to a CGPDFPageRef?</p>