From f291942d45e587180b96d97aa7f6fb4fa9c4d912 Mon Sep 17 00:00:00 2001
From: Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>
Date: Sun, 19 Feb 2017 21:37:06 +0100
Subject: [PATCH] Part: Add support for reversing a geomcurve

---
 src/Mod/Part/App/Geometry.cpp | 15 +++++++++++++++
 src/Mod/Part/App/Geometry.h   |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/src/Mod/Part/App/Geometry.cpp b/src/Mod/Part/App/Geometry.cpp
index 00aa1acfa..1ffb07786 100644
--- a/src/Mod/Part/App/Geometry.cpp
+++ b/src/Mod/Part/App/Geometry.cpp
@@ -511,6 +511,21 @@ double GeomCurve::length(double u, double v) const
     }
 }
 
+void GeomCurve::Reverse(void)
+{
+    Handle_Geom_Curve c = Handle_Geom_Curve::DownCast(handle());
+
+    try {
+        if (!c.IsNull()) {
+            c->Reverse();
+        }
+    }
+    catch (Standard_Failure) {
+        Handle_Standard_Failure e = Standard_Failure::Caught();
+        throw Base::RuntimeError(e->GetMessageString());
+    }
+}
+
 
 // -------------------------------------------------
 
diff --git a/src/Mod/Part/App/Geometry.h b/src/Mod/Part/App/Geometry.h
index cad394648..23f8e48c7 100644
--- a/src/Mod/Part/App/Geometry.h
+++ b/src/Mod/Part/App/Geometry.h
@@ -146,6 +146,8 @@ public:
     double curvatureAt(double u) const;
     double length(double u, double v) const;
     bool normalAt(double u, Base::Vector3d& dir) const;
+    
+    void Reverse(void);
 };
 
 class PartExport GeomBoundedCurve : public GeomCurve