From: Emden Gansner <erg@research.att.com>
Date: Thu, 12 Jul 2012 16:27:28 +0000 (-0400)
Subject: Implement lcurve and rcurve.
X-Git-Tag: LAST_LIBGRAPH~32^2~374
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=68f9e185895a404e1d733809dd0aaff847bc6419;p=graphviz

Implement lcurve and rcurve.
---

diff --git a/lib/common/arrows.c b/lib/common/arrows.c
index 097b6763b..1667557ac 100644
--- a/lib/common/arrows.c
+++ b/lib/common/arrows.c
@@ -636,6 +636,10 @@ static void arrow_type_curve(GVJ_t* job, pointf p, pointf u, double arrowsize, d
     AF[2].y = AF[3].y - w.y * 4.0 / 3.0;
 
     gvrender_polyline(job, a, 2);
+    if (flag & ARR_MOD_LEFT)
+	Bezier(AF, 3, 0.5, NULL, AF);
+    else if (flag & ARR_MOD_RIGHT)
+	Bezier(AF, 3, 0.5, AF, NULL);
     gvrender_beziercurve(job, AF, sizeof(AF) / sizeof(pointf), FALSE, FALSE, FALSE);
 }