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Thai text get lost and scrambbled when converting PDF pages as images (PNG adn JPG format)


I am using the PdfViewer.DecodePage(int) method to get the Bitmap for a page and save it as PNG or JPG fomat.

The output of the saved file that some of my Thai text are missig as shown in attachments below

Original Text in PDF: OrgTextInPDF.png

Text in converted image: TextInPNG.png

Could you let us know if there is any possible solution to this.

Hi Sanofiaventis,

Thanks for using our products.

Kindly share the template PDF Document with us. This will help us to figure out the issue and reply back to you soon.

We apologize for your inconvenience.

Thanks & Regards,


Kindly find attached the sample PDF file on which we got the error.

Hope youu will be able to help us in this regard.

Hi Thitisak,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Thank you for sharing the template file with us.

We have found your mentioned issue after an initial test. Your issue has been registered in our issue tracking system with issue id: PDFNEWNET-32038. We will notify you regarding any update against your issue via this forum thread.

Sorry for the inconvenience,

Thank you for your support in this regard.

Hope for a quick solution on the same.


We would like to know if there was any progress with above the reported issue.

Thank you for your reply on the same.

Hi Thitisak,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Thank you for being patient.

I would like to update you that the fix for your reported issue will be a part of our Next Official Release of Aspose.Pdf for .NET v6.6 (To be released in January Hopefully). You will be notified via this forum thread once the version is released for download.

Sorry for the incovnenience,

Thank you for the update.

Can we just download the new update and use it or is there any additional license we need to purchase.

Hi Thitisak,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

If you current license is not expired yet, you can simply download the latest release and use it with your current license.

Please feel free to contact support in case you have any other query.

Thank You & Best Regards,


Could we get an update on when the next version with this fix willbe available. We hope it will be by this month as indicated in the thread above. :)

We are facing a lot of similar issues and cannot find a feasible work around.

Thank you for your understanding

Hi Thitisak,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

Thank you for being patient.

We are in process of test the new release Aspose.Pdf for .NET v6.6. Hopefully, the release will be available in a few days time. Please be patient and as soon as the new release is available for download, you will be notified via this forum thread.

Sorry for the inconvenience,

The issues you have found earlier (filed as PDFNEWNET-32038) have been fixed in this update.

This message was posted using Notification2Forum from Downloads module by aspose.notifier.


Thank you very much for the update

It works perfect, for us now. :)