RE: Re: associated alpha
Bob Friesenhahn <[email protected]> Sat, 12 Feb 2005 10:56:18 -0600 (CST)
| Newsgroups | gmane.comp.video.graphicsmagick.core |
|---|---|
| Message-ID | <[email protected]> |
On Sat, 12 Feb 2005, David Kelleher wrote: > > I'm not the right person to comment since I haven't used colormapped > TIFFs with alpha, but I think the lesser evil would be, by default, to > promote the image to TrueColor, pre-multiply, and color reduce again. Agreed. It is most likely that a colormapped TIFF with alpha uses the alpha channel more like a mask than a linear channel so there may not be a large impact on the number of colors. Bob ====================================== Bob Friesenhahn [email protected] http://www.simplesystems.org/users/bfriesen ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click