Exception message while rendering

Hello,
  I seem to be having another problem rendering a PDF.
When I try to render the pdf located at http://www.exitcare.com/downloads/PDFs/01MVC.pdf using the following code

procedure TForm1.RenderPDF(asFileName: string; aiPageNumber: integer);
var
  PDF_File: TQuickPDF0715;
  iDPI: Integer;
  iRenderType: integer;
  PDF_stream: Tmemorystream;
begin
  iDPI := 75;
  iRenderType := 5;
  PDF_File := TQuickPDF0715.Create;
  try
    PDF_stream := Tmemorystream.create;
    try
      PDF_File.UnlockKey('INSERT_LICENSE_KEY_HERE');
      PDF_File.LoadFromFile(asFileName);

      PDF_File.RenderPageToStream(iDPI, aiPageNumber, iRenderType, PDF_stream);
    finally
      PDF_File.Free;
    end;
    PDF_stream.Seek(0, 0);
    imageEn.IO.LoadFromStream(PDF_stream);
  finally
    freeandnil(PDF_File);
  end;
end;

I receive the following Exception message when doing the RenderPageToStream:

Project qpdftest.exe raised exception class Exception with message ''.

This PDF loads find in Adobe, and if I ignore the Exception message the PDF will render (although slower then expected).

This all done using QPDF 7.15

Thanks Bern



Edited by Rowan - 17 Aug 09 at 6:20AM

After I either continue past all the errors, our tell it to ignore the error, the return code is a 1 and it renders the PDF. Happes with all IRenterTypes.

RenderToString and RenderToFile also gives the same error message, I have not tried RenderToDC or RenderToVariant.


If you are talking about the sample code you had in my other post on how you render, I tried it and got the same error on the RenderToStream line.

Thanks Bern.

Hi Bern,

Do the 01HDINJ.pdf and 02EYE.pdf documents render OK on your end using this function?

No the 01HDINJ.pdf and 02EYE.pdf documents do not give the error, they just have the other rendering issue.

And yes all documents are coming from Docuprinter (this was our temp work around until the rendering problem I reported was fixed), but not all documents from Docuprinter give the error, we have quite a few that were produced with Docuprinter that do not.

"...
I have noticed the problem from within the IDE
..."

So it's not a QuickPDF-prob but a settings-prob of your IDE?
A new option to be checked.

Cheers, Ingo

as I have said I am using RenderPageToStream and running from the EXE I do not get the error, only when running from the IDE (on one machine). My concern here is that with it having so many errors (I have clicked in the IDE to continue past like 10 errors before I gave up) that it is slowing down the rendering, or not rendering correctly parts of the PDF.

And I doubt Ingo that the statement "it's not a QuickPDF-prob but a settings-prob of your IDE?" is correct, since Rowan was also able to reproduce the same thing.