On Thu, Sep 12, 2013 at 12:54 PM, Simon Sapin <simon.sapin@exyr.org> wrote: > Le 12/09/2013 21:27, Rik Cabanier a écrit : > > >> Drawing (= rasterization + compositing + blending + filters) should be >> done in the colorspace of the output device. >> In this case, if you have an element that uses CMYK colors, those colors >> should be converted to RGB and then you interpolate them. >> > > Do you mean to RGB on screen and to CMYK for priting? Yes > > > > There should be a standard CMYK profile for this conversion and there >> should probably be a way to change this profile (so you can specify SWOP >> or EuroScale). >> > > 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? > > > > Rendering in the output device color space does imply that printing and >> display will look different. Maybe there's also a need to specify the >> colorspace of the document. >> > > > -- > Simon Sapin >Received on Thursday, 12 September 2013 20:37:39 UTC
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