TIFF Output not working

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dhoerner
Posts: 6
Joined: Tue Oct 25 2016

TIFF Output not working

Post by dhoerner » Wed Oct 26 2016

Hi at all,

we have been using Amyuni in our product for a number of years and currently we're using version 5.5 driver.

We are now finding that when requesting to print files in TIFF format, Windows Photo Viewer is complaining "Windows Photo Viewer can't open this picture because the file appears to be damaged, corrupted or is too large". The generated files has a size of about 100MB. Irvan View can open the picture but only shows a red background.

Looking at our code we are doing following:

Code: Select all

SetPrinterParamInt(dc, "TIFF Options", 16);
SetPrinterParamInt(dc, "TIFF Resolution", 3);
SetPrinterParamInt(dc, "TIFF Optimization", 1);
Printing to pdf/jpeg/rtf works as expected.

Does anyone have any ideas why this is not working?

Thanks and Best Regards
Daniel

Jose
Amyuni Team
Posts: 549
Joined: Tue Oct 01 2002
Contact:

Re: TIFF Output not working

Post by Jose » Thu Nov 10 2016

Hello,

Not being able to view an uncompressed or jpeg compressed color TIFF file is a limitation of the windows tiff viewer and not our product.

If look at other tiff viewers (ex: Brava viewer), they can handle these types of images correctly.
http://www.bravaviewer.com/download-brava-reader

Thanks
Get PDF Suite, the expert .NET developer toolkit for PDF conversion, creation and editing - www.amyuni.com/pdfsuite

dhoerner
Posts: 6
Joined: Tue Oct 25 2016

Re: TIFF Output not working

Post by dhoerner » Wed Nov 30 2016

Hi,

also Brava viewer is not able to view the TIF image correctly. Any other tipps?

Best Regards

Jose
Amyuni Team
Posts: 549
Joined: Tue Oct 01 2002
Contact:

Re: TIFF Output not working

Post by Jose » Wed Nov 30 2016

Hello,

This is very odd.

Can you please send your PDF and TIFF files to support@amyuni.com? We will take a look at this and post our findings.

Thanks
Get PDF Suite, the expert .NET developer toolkit for PDF conversion, creation and editing - www.amyuni.com/pdfsuite

Jose
Amyuni Team
Posts: 549
Joined: Tue Oct 01 2002
Contact:

Re: TIFF Output not working

Post by Jose » Tue Dec 06 2016

Hello,

Thank you for sending the TIFF file and this is what we found.

Windows Viewer has poor support for TIFF images other than CCITT or 256-color LZW compressed images. The generated TIFF is viewing properly with TIFF viewers such as IRFAN View and Amyuni PDF Creator and therefore is a valid TIFF.

We recommend that the customer uses the 256-color LZW compression that is activated by setting :
PDF.SetPrinterParamInt("TIFF Options", 17);

Thanks
Get PDF Suite, the expert .NET developer toolkit for PDF conversion, creation and editing - www.amyuni.com/pdfsuite

dhoerner
Posts: 6
Joined: Tue Oct 25 2016

Re: TIFF Output not working

Post by dhoerner » Fri Dec 09 2016

That fixed it!

But Option "17" is not documented! (https://www.amyuni.com/WebHelp/Amyuni_D ... ramInt.htm)

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