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PDF File Issue Started by Antonio T at 08-20-2008 4:30. Topic has 3 replies. LEAD Support Fo... » Developer » PDF » PDF File Issue

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08-20-2008, 4:30 Antonio T Joined on 08-19-2008 Posts 18 PDF File Issue When i setup my twainsession transfer options to scan to a pdf file and set the fileformat to raspdf , it scans and creates the file no problem , but if i try to then open the file in acrobat i get the following error. Adobe Reader could not open 'test.pdf' because it is either not a supported file type or because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded) I can only assume I must be setting up transfer options incorrectly , however this method works when i save the scan as a jpeg or any of the other formats i have tried so far. i used the following code... Dim opts As TwainTransferOptions = _twainSession.TransferOptions opts.TransferMode = TwainTransferMode.File opts.FileName = "c:\test.pdf" opts.FileFormat = RasterImageFormat.RasPdf opts.CompressionMode = TwainCompressionMode.Jpeg _twainSession.TransferOptions = opts Is there something else that needs to be done to scan to a pdf file ?    Report

08-20-2008, 5:22 Maen Hasan Joined on 08-05-2004 Posts 1,880 Re: PDF File Issue If you try to open the result PDF file using any of LEADTOOLS demos, do you face the same problem? Thanks, Maen Badwan LEADTOOLS Technical Support    Report

08-20-2008, 6:05 Antonio T Joined on 08-19-2008 Posts 18 Re: PDF File Issue The leadtools main 32 bit project opens the pdf without issue. Is there a discrepancy in the pdf file format used between leadtools and adobe ?    Report

08-20-2008, 10:51 Maen Hasan Joined on 08-05-2004 Posts 1,880 Re: PDF File Issue I do not think many Twain drivers support saving PDF file format, so the file you got is most likely a different format, not really PDF. Our toolkit can open many file formats such as TIFF, BMP and JPEG even if they are saved with a different extension such as .PDF. If you would like to save the scanned images to PDF format, you have to use LEADTOOLS save functions. For each image acquired by the currently selected TWAIN source, an AcquirePage event is generated. This event gives you the ability to get the acquired image and save it to PDF format using the RasterCodecs.Save Method. For more information, please refer to the LEADTOOLS .Net documentation. Of course this only works if you own the LEAD PDF plug-in. Thanks, Maen Badwan LEADTOOLS Technical Support    Report

LEAD Support Fo... » Developer » PDF » PDF File Issue

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