[cairo] Cairo equivalent of Photoshop Overlay?

[Jeff Muizelaar]

On Sat, Oct 27, 2007 at 05:44:25PM +0200, Gerdus van Zyl wrote:
> Is there an equivalent in Cairo of the Photoshop Overlay? I tried the
> various set_operator modes but none deliver anything remotely useful.
> I am trying to use a gray gradient and then color/tint it using a
> solid color.

There isn't in cairo HEAD but there is in this tree:
http://gitweb.freedesktop.org/?p=users/company/cairo.git;a=summary

-Jeff