From 043a3d4ee40dff88b9e3cb44cc9c9fa2300ff225 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Sat, 7 May 2016 11:56:14 +0300
Subject: [PATCH] Fixed issue #485. Error when drawing a curved path. (grafted
 from 28d51c1471759c1d6ff544ea92c7fc146dcac532)

--HG--
branch : develop
---
 src/libs/vgeometry/vgobject.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libs/vgeometry/vgobject.cpp b/src/libs/vgeometry/vgobject.cpp
index 2b4696b10..2eca45687 100644
--- a/src/libs/vgeometry/vgobject.cpp
+++ b/src/libs/vgeometry/vgobject.cpp
@@ -353,6 +353,12 @@ int VGObject::IntersectionCircles(const QPointF &c1, double r1, const QPointF &c
  */
 qint32 VGObject::LineIntersectCircle(const QPointF &center, qreal radius, const QLineF &line, QPointF &p1, QPointF &p2)
 {
+    // Fix for issue #485. https://bitbucket.org/dismine/valentina/issues/485/error-when-drawing-a-curved-path
+    if (qFuzzyIsNull(line.length()))
+    {
+        return 0;
+    }
+
     //coefficient for equation of segment
     qreal a = 0, b = 0, c = 0;
     LineCoefficients(line, &a, &b, &c);