Cannot load PNG file - Stamp is present but data is corrupt

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Monday, August 16, 2010 10:00:41 AM(UTC)

Kiima

Groups: Registered
Posts: 25

Hi,
I'm having a hard time opening the attached PNG file in my VB6 project using the COM Interop dlls. I get the error "Stamp is present by data is corrupted." I've searched the help, but haven't found anything useful. What does this mean? How can I fix it?

For i = 1 To codecInfo.TotalPages
            Dim riConvertedImage As New RasterImage
            Set riConvertedImage = codecs.Load_10(mstrPathAndFileName, 0, CodecsLoadByteOrder_BgrOrGray, i, i)
            origDPI = riConvertedImage.XResolution

             etc.....
Next

Thanks,
-Kiima

LeadTools 16.5
VB6 (COM Interop) WinForms

File Attachment(s):

TR02-GrpHIJK-005349.zip (1kb) downloaded 26 time(s).


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#2 Posted : Monday, August 16, 2010 10:02:45 AM(UTC)

Kiima

Groups: Registered
Posts: 25

I should probably mention that I can open the file using the VB.NET demo.

#3 Posted : Tuesday, August 17, 2010 12:01:34 AM(UTC)

Adnan Ismail

Groups: Guests
Posts: 3,022

Was thanked: 2 time(s) in 2 post(s)

Kiima,
I tried to load your PNG file in a small VB6 project that uses LEADTOOLS v16.5 COM interop and it did not generate the error message you are getting. In my code I only loaded your PNG file and saved it to JPEG format and it worked.
If the problem is in your own code, please isolate it in a very small working project (NOT your full application) and send me this project in a ZIP or RAR file so I can check it for you.

I'm using LEADTOOLS v16.5 latest patches released on July 23rd. If you are using older DLLs, please send an email to support@leadtools.com and mention this forum post in the email.

#4 Posted : Friday, August 20, 2010 9:30:00 AM(UTC)

Kiima

Groups: Registered
Posts: 25

Once I updated the .dlls for that project, everything worked great. Thanks!

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