void
Fill::set_fill_color (Color color)
{
- begin_visual_change ();
-
- _fill_color = color;
-
- end_visual_change ();
+ if (_fill_color != color) {
+ begin_visual_change ();
+ _fill_color = color;
+ end_visual_change ();
+ }
}
void
Fill::set_fill (bool fill)
{
- begin_visual_change ();
-
- _fill = fill;
-
- end_visual_change ();
+ if (_fill != fill) {
+ begin_visual_change ();
+ _fill = fill;
+ end_visual_change ();
+ }
}
void
{
set_source_rgba (context, _fill_color);
}
+
+void
+Fill::setup_gradient_context (Cairo::RefPtr<Cairo::Context> context, Rect const & self, Duple const & draw_origin) const
+{
+ Cairo::RefPtr<Cairo::LinearGradient> _gradient;
+
+ if (_vertical_gradient) {
+ _gradient = Cairo::LinearGradient::create (draw_origin.x, self.y0, draw_origin.x, self.y1);
+ } else {
+ _gradient = Cairo::LinearGradient::create (self.x0, draw_origin.y, self.x1, draw_origin.y);
+ }
+
+ for (StopList::const_iterator s = _stops.begin(); s != _stops.end(); ++s) {
+ double r, g, b, a;
+ color_to_rgba (s->second, r, g, b, a);
+ _gradient->add_color_stop_rgba (s->first, r, g, b, a);
+ }
+
+ context->set_source (_gradient);
+}
+
+void
+Fill::set_gradient (StopList const & stops, bool vertical)
+{
+ begin_visual_change ();
+
+ if (stops.empty()) {
+ _stops.clear ();
+ } else {
+ _stops = stops;
+ _vertical_gradient = vertical;
+ }
+
+ end_visual_change ();
+}