From 59682f31a74044ea2c4f8e1d97ae4416b23f64d7 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Tue, 4 Apr 2017 10:05:46 +0200
Subject: [PATCH] add methods firstVertex and lastVertex to TopoEdge

---
 src/Mod/Part/App/TopoShapeEdgePy.xml    | 20 +++++++++++++++++++-
 src/Mod/Part/App/TopoShapeEdgePyImp.cpp | 21 +++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Part/App/TopoShapeEdgePy.xml b/src/Mod/Part/App/TopoShapeEdgePy.xml
index bc37223f06..ea149baa5c 100644
--- a/src/Mod/Part/App/TopoShapeEdgePy.xml
+++ b/src/Mod/Part/App/TopoShapeEdgePy.xml
@@ -69,7 +69,25 @@
 				<UserDocu>Set the tolerance for the edge.</UserDocu>
 			</Documentation>
 		</Methode>
-		<Methode Name="discretize" Const="true" Keyword="true">
+        <Methode Name="firstVertex">
+            <Documentation>
+                <UserDocu>Vertex = firstVertex(Orientation=False)
+Returns the Vertex of orientation FORWARD in this edge.
+If there is none a Null shape is returned.
+Orientation = True : taking into account the edge orientation
+</UserDocu>
+            </Documentation>
+        </Methode>
+        <Methode Name="lastVertex">
+            <Documentation>
+            <UserDocu>Vertex = lastVertex(Orientation=False)
+Returns the Vertex of orientation REVERSED in this edge.
+If there is none a Null shape is returned.
+Orientation = True : taking into account the edge orientation
+</UserDocu>
+            </Documentation>
+        </Methode>
+        <Methode Name="discretize" Const="true" Keyword="true">
 			<Documentation>
         <UserDocu>Discretizes the edge and returns a list of points.
 The function accepts keywords as argument:
diff --git a/src/Mod/Part/App/TopoShapeEdgePyImp.cpp b/src/Mod/Part/App/TopoShapeEdgePyImp.cpp
index 03f764f610..0b04263d56 100644
--- a/src/Mod/Part/App/TopoShapeEdgePyImp.cpp
+++ b/src/Mod/Part/App/TopoShapeEdgePyImp.cpp
@@ -49,6 +49,7 @@
 # include <gp_Hypr.hxx>
 # include <gp_Parab.hxx>
 # include <gp_Lin.hxx>
+# include <TopExp.hxx>
 # include <TopoDS.hxx>
 # include <TopoDS_Shape.hxx>
 # include <TopoDS_Edge.hxx>
@@ -668,6 +669,26 @@ PyObject* TopoShapeEdgePy::setTolerance(PyObject *args)
     Py_Return;
 }
 
+PyObject* TopoShapeEdgePy::firstVertex(PyObject *args)
+{
+    PyObject* orient = Py_False;
+    if (!PyArg_ParseTuple(args, "|O!", &PyBool_Type, &orient))
+        return 0;
+    const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->getShape());
+    TopoDS_Vertex v = TopExp::FirstVertex(e, PyObject_IsTrue(orient) ? Standard_True : Standard_False);
+    return new TopoShapeVertexPy(new TopoShape(v));
+}
+
+PyObject* TopoShapeEdgePy::lastVertex(PyObject *args)
+{
+    PyObject* orient = Py_False;
+    if (!PyArg_ParseTuple(args, "|O!", &PyBool_Type, &orient))
+        return 0;
+    const TopoDS_Edge& e = TopoDS::Edge(getTopoShapePtr()->getShape());
+    TopoDS_Vertex v = TopExp::LastVertex(e, PyObject_IsTrue(orient) ? Standard_True : Standard_False);
+    return new TopoShapeVertexPy(new TopoShape(v));
+}
+
 // ====== Attributes ======================================================================
 
 Py::Float TopoShapeEdgePy::getTolerance(void) const