> Indeed. As the SVG module owner for Mozilla I've heard quite a few complaints > about lack of linearRGB support in Mozilla's SVG implementation, especially > for > gradients. It's also the source of conformance test failures for us. If cairo > could add support that we could expose it would be a great help. > > Jonathan
Jonathan, I fear you're at the heart of a big long-term problem in OS graphics: Virtually no one cares about linearity. That's why photoshop is simply better ;( What's to do? For starters, cairo might offer distinct ways to specify color: a) native (transfer function determined by the context/its target surface, more or less current state) b) linear RGB c) sRGB (sRGB transfer function, CM can be added later) b) and c) might directly convert to a), or better: cairo's surfaces and patterns could know their intended transfer function, so ops and back-ends may accomodate properly. This is relatively simple, and even if support isn't great at first, it wouldn't harm to code against. More importantly, a widely-used API would state that ignorance isn't bliss, and get people to at least think about the matter. Optionally encouraged by deprecating current cairo_set_source_rgb*() :) Of course, that's just a small start. As you suggest, gradients need to be worked out, and I didn't really mention the all the rest. Cheers, Simon _______________________________________________ xorg-devel mailing list xorg-devel@lists.x.org http://lists.x.org/mailman/listinfo/xorg-devel
