Add PreRender signal to the canvas

[ardour.git] / libs / canvas / polygon.cc

diff --git a/libs/canvas/polygon.cc b/libs/canvas/polygon.cc
index 5aa58eb6143a49fe7ba2af0ed3b4bd5526278c58..53fea1c5f4f9bdacaa419f0e7270c20d2b95ff1e 100644 (file)
--- a/libs/canvas/polygon.cc
+++ b/libs/canvas/polygon.cc
@@ -48,7 +48,7 @@ Polygon::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
 {
        if (_outline || _fill) {
                render_path (area, context);
-               
+
                if (!_points.empty ()) {
                        /* close path */
                        Duple p = item_to_window (Duple (_points.front().x, _points.front().y));
@@ -119,11 +119,11 @@ Polygon::covers (Duple const & point) const
        Points::size_type i;
        Points::size_type j = npoints -1;
        bool oddNodes = false;
-       
+
        if (_bounding_box_dirty) {
                compute_bounding_box ();
        }
-       
+
        for (i = 0; i < npoints; i++) {
                if (((_points[i].y < p.y && _points[j].y >= p.y) || (_points[j].y < p.y && _points[i].y >= p.y))) {
                        oddNodes ^= (p.y * multiple[i] + constant[i] < p.x);