On Tue, Jan 16, 2001 at 01:18:42PM -0500, oliver <oliver@xxxxxxxxxxxxxxxxx> wrote: > Looking at Xcms manpages, I'm not entirely clear on what it's goal in life > is. It seems to lack any mechanism for converting arbitrary rgb data like a Well, you can convert rgb to other colourspaces (and vice versa and even weirder things), so it is certainly possible to do that. > > > That is, is it possible to do anything meaningful with > > ICCs under X? ^^^^^^^^ > Windows? Photoshop ;) I don't know what the focus of the gimp is, but color Windows has been ported to X? Any pointers? ;) (sorry, had to...) > I wonder what the impact would be on performance, ignoring Xcms stuff, to Why ignore Xcms? It is a fairl extensive API. under-used, maybe buggy, but nobody knows. > do a 3x3 matrix transform on every pixel before displaying it. With luts I > guess this amounts to three look ups and two adds per component per pixel, > or something like that, which seems pretty cheap. Patches welcome (oh yes). Also, "just grabbing icc profiles" is easier said than done, since there are a lot of patent issues around colour conversion/calibration/matching. -- -----==- | ----==-- _ | ---==---(_)__ __ ____ __ Marc Lehmann +-- --==---/ / _ \/ // /\ \/ / pcg@xxxxxxxxxxxxx |e| -=====/_/_//_/\_,_/ /_/\_\ XX11-RIPE --+ The choice of a GNU generation | |