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 Corrupt TIFF		  New Topic  Reply to Topic
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donaldadams1951

USA
4 Posts
Posted - Mar 05 2012 :  16:34:50  Show Profile  Reply
I save a TIff from database to file. How can I tell if the file is corrupt? In other words how can I make sure a file is an uncorrupted TIFF before I process it? Assume the file name is TIFFTest.tif.

Thanks

fab

1310 Posts
Posted - Mar 06 2012 :  00:20:39  Show Profile  Reply
ImageEn can test if a file is corrupted, but only after loaded (or tried to load) it. Example:

ImageEnView1.IO.LoadFromFile('TIFFTest.tif');
if ImageEnView1.IO.Aborting then
...corrupted...
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donaldadams1951

USA
4 Posts
Posted - Mar 06 2012 :  14:40:20  Show Profile  Reply
thanks...
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PStadler

Austria
60 Posts
Posted - Mar 01 2013 :  07:58:15  Show Profile  Reply
Hello,

What are the criteria that Aborting is true?

ImageEnView1.IO.Aborting

Some of the images (gif or png-Files) can be shown normally on ImageEnView component. Why are they corrupt?

I checked very large number of images in our image database. 0.0003%
of the images are declared as corrupt, but they open normal in component and also PaintShopPro.

Sincerely

Peter
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fab

1310 Posts
Posted - Mar 04 2013 :  14:15:19  Show Profile  Reply
Hello,
there are several reasons for signaling Aborting = true. Most commonly the file size is less than expected (however all pixels could be already read).
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