From ebd58376d901898e091e6b1edb1e84159221b733 Mon Sep 17 00:00:00 2001
From: Roman Telezhynskyi <kroluku@gmail.com>
Date: Fri, 11 Nov 2016 20:15:44 +0200
Subject: [PATCH] Use method VAbstractCurve::PathLength to get length.

--HG--
branch : feature
---
 src/libs/vgeometry/vabstractcurve.cpp | 5 +++++
 src/libs/vgeometry/vabstractcurve.h   | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/libs/vgeometry/vabstractcurve.cpp b/src/libs/vgeometry/vabstractcurve.cpp
index d50762799..d1f89096d 100644
--- a/src/libs/vgeometry/vabstractcurve.cpp
+++ b/src/libs/vgeometry/vabstractcurve.cpp
@@ -321,6 +321,11 @@ QPainterPath VAbstractCurve::ShowDirection(const QVector<QPointF> &points) const
 //---------------------------------------------------------------------------------------------------------------------
 qreal VAbstractCurve::PathLength(const QVector<QPointF> &path)
 {
+    if (path.size() < 2)
+    {
+        return 0;
+    }
+
     QPainterPath splinePath;
     splinePath.moveTo(path.at(0));
     for (qint32 i = 1; i < path.count(); ++i)
diff --git a/src/libs/vgeometry/vabstractcurve.h b/src/libs/vgeometry/vabstractcurve.h
index 13d16969c..3b58a8c2c 100644
--- a/src/libs/vgeometry/vabstractcurve.h
+++ b/src/libs/vgeometry/vabstractcurve.h
@@ -79,13 +79,14 @@ public:
     QString                  GetColor() const;
     void                     SetColor(const QString &color);
 
+    static qreal             PathLength(const QVector<QPointF> &path);
+
     static QVector<QPointF>  CurveIntersectLine(const QVector<QPointF> &points, const QLineF &line);
 
     virtual QString          NameForHistory(const QString &toolName) const=0;
 protected:
     QPainterPath             ShowDirection(const QVector<QPointF> &points) const;
     virtual void             CreateName() =0;
-    static qreal             PathLength(const QVector<QPointF> &path);
 private:
     QSharedDataPointer<VAbstractCurveData> d;