Re: RGB to CIELab transformation

On 24/01/12 19:52, Necko Nedjoni wrote:
> After I had a chance to inform about the CIELab, I believe I should
> formulate the question differently.
> Given that I use cairo for pdf output, where the main coloring function is 
>  cairo_set_source_rgb(cr, 1, 0.0, 1.0);
> I wonder could I output pdf file with colors that I primarily specify in
> CIELab space.
> So, given certain slice of the CIELab space, I would like to color the
> pdf file according to colors
> defined in the slice. 
> Could this be handled by cairo? 
> I got some suggestions on using alternative libraries, but, I suppose
> this is doable in cairo also.

Cairo PDF output does not support any color spaces other than DeviceRGB
because cairo does not have the API to specify alternative color spaces.
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