After I create PDF file using PdfExporter, I'm unable to merge it with another PDF files (I'm using Cete Software's DynamicPDF/PDFMerger). Every time I'm trying to load PDF file I'm getting 'Invalid PDF File. Cross-Reference not found'. There is no problem with Acrobat Reader, but if you open it in Acrobat Professional you will notice a 'Rebuild' screen pop up and it will prompt you to save the file when it is closed. After that, saved file can be used with PDFMerger.

Hi,

That was a bug indeed in older versions of CadLib, can you please try the latest version?

Thank you,

Wout

Hi Wout,
I didn't go so far to validate PDF file. Actually there was nothing to validate ;-). Whole drawing disappeared except dimensions. I see you removed mapWhiteToBlack from PdfExporter constructor.

Thanks Oleg.

Hi Oleg,

Yes, it changed: the GraphicsConfig.CorrectColorForBackgroundColor replaces the old setting. It was better design having it all consistently controlled by GraphicsConfig, since there are a bunch of other settings as well, that setting was just one of them.

Let me know if that helped!

Wout

Hi Wout,
Yes it helped !!! And there is no problem with PDF merger anymore !

Thanks for your help !

Oleg

Hi Wout,

I've got into the same problem (with Dynamic PDF) right after I start using memory strem instead of the file stream. Following code is working without any problem:

Dim _filestream As Stream = File.Create('testpdfx.pdf')
Dim pdfGraphics As PdfExporter = New PdfExporter(_filestream)
pdfGraphics.DrawPage(_dxfmodel, GraphicsConfig.WhiteBackgroundCorrectForBackColor, to2DTransform, paperSize)
pdfGraphics.EndDocument()
Dim MyDocument As MergeDocument = New MergeDocument(New PdfDocument('testpdfx.pdf'))
Here is snipset with memory stream:

Dim _filestream As MemoryStream = New MemoryStream()
Dim pdfGraphics As PdfExporter = New PdfExporter(_filestream)
pdfGraphics.DrawPage(_dxfmodel, GraphicsConfig.WhiteBackgroundCorrectForBackColor, to2DTransform, paperSize)
pdfGraphics.EndDocument()
Dim MyDocument As MergeDocument = New MergeDocument(New PdfDocument(_filestream.GetBuffer()))
_filestream.Close()

Right after I initialize MyDocument I'm getting error:
Invalid PDF File. Cross-Reference not found.

Thanks
Oleg

Hi Oleg,

Use MemoryStream.ToArray() in stead of GetBuffer(). GetBuffer returns the complete buffer, which is typically a bit more than the actually used part of the buffer.

Also try calling MemoryStream.Flush() before getting its contents with ToArray().

Let me know if that helped.

Wout

It worked !

Thanks Wout.