On 06/29/2009 10:31 AM, Emil Assarsson wrote:
> I meant the modes that are used to mix colors with layers and brush
> like Normal, Dissolve, Multiply, Divide etc...
>
Currently, the Color layer mode when using GEGL is supposed to use the
Hue and Saturation of the upper layer and the Lightness from the lower
layer. Maybe the RGB -> HSL conversion is buggy? We want Color to behave
correctly in GIMP 2.8 when using GEGL for the projection, see
http://bugzilla.gnome.org/show_bug.cgi?id=325564 . It is great that you
want to look at this, and all you have to do is experiment with
different algorithms in
gimp_operation_point_layer_mode_get_new_color_hsl() in
app/gegl/gimpoperationpointlayermode.c.
Good luck!
Best regards,
Martin
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