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List:       koffice
Subject:    Re: Krayon - More than a clone of a clone?
From:       Shawn Gordon <shawn-gordon () home ! com>
Date:       2000-10-04 19:57:29
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Hi Thomas,

Good suggestions - I'll have our programmer check it out, and hopefully
John will have some thoughts as well.  We might as well go one better
while we are at it :).

Shawn Gordon
President
theKompany.com


Thomas Siegmund wrote:
> 
> Hi all,
> 
> I have read John Califfs recent report about the status of
> KImageshop/Krayon and the announcement from Shawn Gordon of
> TheCompany to support further development of this program.
> 
> Since Krayon seems to be in a very early stage, this might be a good
> time to suggest a feature which would most likely be very difficult
> to add later.
> 
> I'm talking about support for images with more than 8 bit grayscale
> or more than 24 bit color data.
> 
> In the days of Photoshop 2.5 and 3 it was criticized a lot for not
> supporting high-bit data. Today it has only limited support for
> 48-bit-images. Gimp was designed as a free Photoshop clone primarily
> for web design and is limited to 24-bit RGB data. It would be a pity
> if you start writing a new image-editing application with a friendly
> KDE-interface, but without any real progress in this area.
> 
> There are quite a number of input-devices - flat bed scanners,
> digital cameras - which can deliver high-bit images. Due to limits in
> the imaging software this usually gets downscaled by the input driver
> to 8 or 24 bit. If you have to do tonal corrections after the scan,
> you throw away even more of the image quality.
> 
> There are also a lot of scientific and medical imaging devices -
> cooled CCD-cameras on microscopes, X-ray detectors, computer
> tomographs - which deliver 12, 14 or 16 bit grayscale images. For
> these kind of pictures it is crucial to handle more than eight bits
> per channel in the analysis software, even if you can display only 8
> bit grayscale on the screen.
> 
> You may think that this is purely academic, because there will be for
> quite a while no way to get such images into Krayon, but SANE already
> supports up to 16 bit per channel. Supporting this in Krayon from the
> start would give it a lead as the free application for high-quality
> and technical imaging.
> 
> I' not a programmer, so I don't know how difficult it would be to put
> at least the necessary basic hooks into the program. But if you were
> interested, I could do some research for real world applications,
> file format specifications and so on.
> 
> With best regards, and many thanks for the great KDE2
> 
> Thomas
> 
> --
> ----------------------------------
> Thomas Siegmund
> 
> Institut fuer Genetik
> Freie Universitaet Berlin
> Arnimallee 7
> 14195 Berlin
> Germany
> 
> phone +49 30 838 5 29 94
> fax   +49 30 838 5 43 95
> 
> sgmd@genetik.biologie.fu-berlin.de

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