From 9370378ec7cf5b5fedfe8b6768ec2f618a0d97ce Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Fri, 9 Sep 2016 13:02:15 +0200
Subject: [PATCH] allow to pass parameter range when creating a line from a
 line

---
 src/Mod/Part/App/LinePyImp.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/Mod/Part/App/LinePyImp.cpp b/src/Mod/Part/App/LinePyImp.cpp
index c47afd01e..ee714a6f3 100644
--- a/src/Mod/Part/App/LinePyImp.cpp
+++ b/src/Mod/Part/App/LinePyImp.cpp
@@ -101,6 +101,30 @@ int LinePy::PyInit(PyObject* args, PyObject* /*kwd*/)
         return 0;
     }
 
+    PyErr_Clear();
+    double first, last;
+    if (PyArg_ParseTuple(args, "O!dd", &(LinePy::Type), &pLine, &first, &last)) {
+        // Copy line
+        LinePy* pcLine = static_cast<LinePy*>(pLine);
+        // get Geom_Line of line segment
+        Handle_Geom_TrimmedCurve that_curv = Handle_Geom_TrimmedCurve::DownCast
+            (pcLine->getGeomLineSegmentPtr()->handle());
+        Handle_Geom_Line that_line = Handle_Geom_Line::DownCast
+            (that_curv->BasisCurve());
+        // get Geom_Line of line segment
+        Handle_Geom_TrimmedCurve this_curv = Handle_Geom_TrimmedCurve::DownCast
+            (this->getGeomLineSegmentPtr()->handle());
+        Handle_Geom_Line this_line = Handle_Geom_Line::DownCast
+            (this_curv->BasisCurve());
+
+        Infinite = pcLine->Infinite;
+
+        // Assign the lines
+        this_line->SetLin(that_line->Lin());
+        this_curv->SetTrim(first, last);
+        return 0;
+    }
+
     PyErr_Clear();
     PyObject *pV1, *pV2;
     if (PyArg_ParseTuple(args, "O!O!", &(Base::VectorPy::Type), &pV1,