- From: Rik Cabanier <cabanier@gmail.com>
- Date: Thu, 12 Sep 2013 15:29:04 -0700
- To: "Tab Atkins Jr." <jackalmage@gmail.com>
- Cc: Simon Sapin <simon.sapin@exyr.org>, www-style list <www-style@w3.org>
Received on Thursday, 12 September 2013 22:29:31 UTC
On Thu, Sep 12, 2013 at 2:55 PM, Tab Atkins Jr. <jackalmage@gmail.com>wrote: > On Thu, Sep 12, 2013 at 1:37 PM, Rik Cabanier <cabanier@gmail.com> wrote: > > On Thu, Sep 12, 2013 at 12:54 PM, Simon Sapin <simon.sapin@exyr.org> > wrote: > >> Maybe, but that’s different from the feature specified in GCPM (and that > >> we just decided to move into Color) which does *device* CMYK, where the > >> profile is intentionally unspecified. > > > > Sure, but if you're showing it on screen, you have to convert it to RGB > as > > some point. > > What is the profile for that conversion? > > An unspecified, device-dependent profile. ok, in that case it might be best to do the simple conversion to RGB: red = 1.0 - min(1.0, cyan + black) green = 1.0 - min(1.0, magenta + black) blue = 1.0 - min(1.0, yellow + black) Doing the reverse during printing, you know both profiles so you can do an ICC conversion. We probably want to special case rgb(0,0,0) though since everyone wants that to be 100% black.
Received on Thursday, 12 September 2013 22:29:31 UTC