void
st_theme_node_transition_paint (StThemeNodeTransition *transition,
ClutterActorBox *allocation,
guint8 paint_opacity)
{
StThemeNodeTransitionPrivate *priv = transition->priv;
CoglColor constant;
float tex_coords[] = {
0.0, 0.0, 1.0, 1.0,
0.0, 0.0, 1.0, 1.0,
};
g_return_if_fail (ST_IS_THEME_NODE (priv->old_theme_node));
g_return_if_fail (ST_IS_THEME_NODE (priv->new_theme_node));
if (!clutter_actor_box_equal (allocation, &priv->last_allocation))
priv->needs_setup = TRUE;
if (priv->needs_setup)
{
priv->last_allocation = *allocation;
calculate_offscreen_box (transition, allocation);
priv->needs_setup = !setup_framebuffers (transition, allocation);
if (priv->needs_setup) /* setting up framebuffers failed */
return;
}
cogl_color_set_from_4f (&constant, 0., 0., 0.,
clutter_timeline_get_progress (priv->timeline));
cogl_material_set_layer_combine_constant (priv->material, 1, &constant);
cogl_material_set_color4ub (priv->material,
paint_opacity, paint_opacity,
paint_opacity, paint_opacity);
cogl_set_source (priv->material);
cogl_rectangle_with_multitexture_coords (priv->offscreen_box.x1,
priv->offscreen_box.y1,
priv->offscreen_box.x2,
priv->offscreen_box.y2,
tex_coords, 8);
}
IO_METHOD(IoClutterActorBox, equals) {
ClutterActorBox *other = IOCABOX(IoMessage_locals_clutterActorBoxArgAt_(m, locals, 0));
return IOBOOL(self, clutter_actor_box_equal(IOCABOX(self), other));
}
