X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fcanvas%2Fcurve.cc;h=ba6ac68df6d651730b436f4a447ee26defe23dba;hb=c4c7598adbc9e5eca5fe04a23bb7e88fc0989f34;hp=c2dd30ac163d295c1504968ff17c7f41cb2aea12;hpb=86e7d86089098347d67cf59284576414609c864c;p=ardour.git

diff --git a/libs/canvas/curve.cc b/libs/canvas/curve.cc
index c2dd30ac16..ba6ac68df6 100644
--- a/libs/canvas/curve.cc
+++ b/libs/canvas/curve.cc
@@ -27,10 +27,17 @@ using namespace ArdourCanvas;
 using std::min;
 using std::max;
 
-Curve::Curve (Group* parent)
-	: Item (parent)
-	, PolyItem (parent)
-	, Fill (parent)
+Curve::Curve (Canvas* c)
+	: PolyItem (c)
+	, n_samples (0)
+	, points_per_segment (16)
+	, curve_type (CatmullRomCentripetal)
+	, curve_fill (None)
+{
+}
+
+Curve::Curve (Item* parent)
+	: PolyItem (parent)
 	, n_samples (0)
 	, points_per_segment (16)
 	, curve_type (CatmullRomCentripetal)
@@ -188,15 +195,9 @@ Curve::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
 		/* draw line between samples */
 		window_space = item_to_window (Duple (samples[left].x, samples[left].y));
 		context->move_to (window_space.x, window_space.y);
-		Coord last_x = round(window_space.x);
-		Coord last_y = round(window_space.y);
 		for (uint32_t idx = left + 1; idx < right; ++idx) {
 			window_space = item_to_window (Duple (samples[idx].x, samples[idx].y));
-			if (last_x == round(window_space.x)) continue;
-			if (last_y == round(window_space.y)) continue;
-			last_x = round(window_space.x);
-			last_y = round(window_space.y);
-			context->line_to (last_x - .5 , last_y + .5);
+			context->line_to (window_space.x, window_space.y);
 		}
 
 		switch (curve_fill) {
@@ -241,7 +242,7 @@ Curve::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
 bool
 Curve::covers (Duple const & pc) const
 {
-	Duple point = canvas_to_item (pc);
+	Duple point = window_to_item (pc);
 
 	/* O(N) N = number of points, and not accurate */