Re: [css-gcpm][css-color] device-cmyk() interaction with RGB-space colors.

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?


> 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.


> 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 19:54:32 UTC