Re: tiff:photometric and CCITT compression

On Mon, 16 Oct 2023, frechefuchs via Graphicsmagick-help wrote:
>
> I can confirm that the attached patch enables GM to write CCITT encoded
> TIFF files with photometric interpretation 'minisblack'.  I've done
> tests with Group3 and 4 compression with stripped and tiled images.  No
> suspicious behaviour in any image viewer.  Also, read-in the files by GM
> again, without a problem.  tiffinfo looks good.  Processing GM output
> with tiff2pdf (libtiff) and tifftopnm (netpbm), the output also looks good.

I have decided that I don't like the patch as is because it removes 
photometric checks entirely so that someone could request a truely 
incompatable photometric.

I will re-work it.

Bob
-- 
Bob Friesenhahn
[email protected], http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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