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Date Posted: 21:25:47 06/03/02 Mon
Author: Michel
Subject: Re: Unknown Compression Format (Tiff)
In reply to: Paul 's message, "Unknown Compression Format (Tiff)" on 05:57:04 06/03/02 Mon


Hi Paul,

Are you using the evaluation version? The is a problem with the EnTifGr.DCU file in the evaluation version, where the property assignment is simply ignored.

Here is link to download an update EnTifGr.dcu:

<a rel=nofollow target=_blank href="http://www.intervalsoftware.com/files/entifgr.zip">http://www.intervalsoftware.com/files/entifgr.zip</a>

Best regards,

Michel
>Hi Michel!
>
>A short question about a specific compression type. I
>have an black-and-white image, compressed with the
>"CCITT Group 3(1d) Mod.Huffman" or short "Huffman RLE,
>1200 DPI". When I load the image into the
>imagescrollbox and test it with the
>TiffCompressionStr()-function the result is tcNone.
>
>Afterwards I do some manipulation(change som pixels)
>and try to save the file. Then on the BeforeSave Event
>I test again:
>
>if Graphic.ImageFormat = ifBlackWhite
>...TTiffGraphic(Graphic).Compression := tcGroup4
>
>But the compression type remains tcNone.
>
>Any suggestions?
>TIA
>Paul

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