309 lines
12 KiB
C++
309 lines
12 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 Werner Mayer <wmayer[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <gp.hxx>
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# include <gp_Lin2d.hxx>
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# include <Geom2d_Line.hxx>
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# include <Geom2d_TrimmedCurve.hxx>
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# include <GCE2d_MakeLine.hxx>
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# include <GCE2d_MakeSegment.hxx>
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# include <Precision.hxx>
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#endif
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#include <Base/GeometryPyCXX.h>
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#include <Mod/Part/App/OCCError.h>
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#include <Mod/Part/App/Geometry2d.h>
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#include <Mod/Part/App/Geom2d/Line2dSegmentPy.h>
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#include <Mod/Part/App/Geom2d/Line2dSegmentPy.cpp>
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using namespace Part;
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extern const char* gce_ErrorStatusText(gce_ErrorType et);
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// returns a string which represents the object e.g. when printed in python
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std::string Line2dSegmentPy::representation(void) const
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{
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return "<Line2dSegment object>";
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}
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PyObject *Line2dSegmentPy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
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{
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// create a new instance of Line2dSegmentPy and the Twin object
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return new Line2dSegmentPy(new Geom2dLineSegment);
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}
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// constructor method
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int Line2dSegmentPy::PyInit(PyObject* args, PyObject* /*kwd*/)
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{
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if (PyArg_ParseTuple(args, "")) {
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// default line
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return 0;
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}
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PyErr_Clear();
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PyObject *pLine;
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if (PyArg_ParseTuple(args, "O!", &(Line2dSegmentPy::Type), &pLine)) {
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// Copy line
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Line2dSegmentPy* pcLine = static_cast<Line2dSegmentPy*>(pLine);
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// get Geom_Line of line segment
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Handle_Geom2d_TrimmedCurve that_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(pcLine->getGeom2dLineSegmentPtr()->handle());
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Handle_Geom2d_Line that_line = Handle_Geom2d_Line::DownCast
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(that_curv->BasisCurve());
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// get Geom_Line of line segment
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Handle_Geom2d_TrimmedCurve this_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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Handle_Geom2d_Line this_line = Handle_Geom2d_Line::DownCast
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(this_curv->BasisCurve());
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// Assign the lines
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this_line->SetLin2d(that_line->Lin2d());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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return 0;
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}
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PyErr_Clear();
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double first, last;
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if (PyArg_ParseTuple(args, "O!dd", &(Line2dSegmentPy::Type), &pLine, &first, &last)) {
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// Copy line
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Line2dSegmentPy* pcLine = static_cast<Line2dSegmentPy*>(pLine);
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// get Geom_Line of line segment
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Handle_Geom2d_TrimmedCurve that_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(pcLine->getGeom2dLineSegmentPtr()->handle());
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Handle_Geom2d_Line that_line = Handle_Geom2d_Line::DownCast
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(that_curv->BasisCurve());
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// get Geom_Line of line segment
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Handle_Geom2d_TrimmedCurve this_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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Handle_Geom2d_Line this_line = Handle_Geom2d_Line::DownCast
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(this_curv->BasisCurve());
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// Assign the lines
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this_line->SetLin2d(that_line->Lin2d());
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this_curv->SetTrim(first, last);
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return 0;
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}
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PyErr_Clear();
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PyObject *pV1, *pV2;
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if (PyArg_ParseTuple(args, "O!O!", Base::Vector2dPy::type_object(), &pV1,
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Base::Vector2dPy::type_object(), &pV2)) {
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Base::Vector2d v1 = Py::Vector2d(pV1).getCxxObject()->value();
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Base::Vector2d v2 = Py::Vector2d(pV2).getCxxObject()->value();
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try {
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// Create line out of two points
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double distance = (v1-v2).Length();
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if (distance < gp::Resolution())
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Standard_Failure::Raise("Both points are equal");
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GCE2d_MakeSegment ms(gp_Pnt2d(v1.x,v1.y),
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gp_Pnt2d(v2.x,v2.y));
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if (!ms.IsDone()) {
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PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(ms.Status()));
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return -1;
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}
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// get Geom_Line of line segment
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Handle_Geom2d_TrimmedCurve this_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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Handle_Geom2d_Line this_line = Handle_Geom2d_Line::DownCast
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(this_curv->BasisCurve());
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Handle_Geom2d_TrimmedCurve that_curv = ms.Value();
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Handle_Geom2d_Line that_line = Handle_Geom2d_Line::DownCast(that_curv->BasisCurve());
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this_line->SetLin2d(that_line->Lin2d());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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return 0;
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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PyErr_SetString(PartExceptionOCCError, e->GetMessageString());
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return -1;
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}
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catch (...) {
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PyErr_SetString(PartExceptionOCCError, "creation of line failed");
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return -1;
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}
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}
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PyErr_SetString(PyExc_TypeError, "Line constructor accepts:\n"
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"-- empty parameter list\n"
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"-- Line\n"
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"-- Line, float, float\n"
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"-- Point, Point");
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return -1;
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}
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PyObject* Line2dSegmentPy::setParameterRange(PyObject *args)
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{
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double first, last;
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if (!PyArg_ParseTuple(args, "dd", &first, &last))
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return NULL;
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try {
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Handle_Geom2d_TrimmedCurve this_curve = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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this_curve->SetTrim(first, last);
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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PyErr_SetString(PartExceptionOCCError, e->GetMessageString());
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return NULL;
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}
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Py_Return;
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}
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Py::Object Line2dSegmentPy::getStartPoint(void) const
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{
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Handle_Geom2d_TrimmedCurve this_curve = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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gp_Pnt2d pnt = this_curve->StartPoint();
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Py::Module module("__FreeCADBase__");
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Py::Callable method(module.getAttr("Vector2d"));
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Py::Tuple arg(2);
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arg.setItem(0, Py::Float(pnt.X()));
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arg.setItem(1, Py::Float(pnt.Y()));
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return method.apply(arg);
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}
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void Line2dSegmentPy::setStartPoint(Py::Object arg)
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{
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gp_Pnt2d p1, p2;
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Handle_Geom2d_TrimmedCurve this_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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p2 = this_curv->EndPoint();
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PyObject *p = arg.ptr();
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if (PyObject_TypeCheck(p, Base::Vector2dPy::type_object())) {
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Base::Vector2d v = Py::Vector2d(p).getCxxObject()->value();
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p1.SetX(v.x);
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p1.SetY(v.y);
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}
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else if (PyTuple_Check(p)) {
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Py::Tuple tuple(arg);
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p1.SetX((double)Py::Float(tuple.getItem(0)));
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p1.SetY((double)Py::Float(tuple.getItem(1)));
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}
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else {
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std::string error = std::string("type must be 'Vector2d' or tuple, not ");
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error += p->ob_type->tp_name;
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throw Py::TypeError(error);
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}
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try {
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// Create line out of two points
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if (p1.Distance(p2) < gp::Resolution())
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Standard_Failure::Raise("Both points are equal");
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GCE2d_MakeSegment ms(p1, p2);
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if (!ms.IsDone()) {
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throw Py::Exception(gce_ErrorStatusText(ms.Status()));
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}
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// get Geom_Line of line segment
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Handle_Geom2d_Line this_line = Handle_Geom2d_Line::DownCast
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(this_curv->BasisCurve());
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Handle_Geom2d_TrimmedCurve that_curv = ms.Value();
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Handle_Geom2d_Line that_line = Handle_Geom2d_Line::DownCast(that_curv->BasisCurve());
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this_line->SetLin2d(that_line->Lin2d());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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throw Py::Exception(e->GetMessageString());
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}
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}
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Py::Object Line2dSegmentPy::getEndPoint(void) const
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{
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Handle_Geom2d_TrimmedCurve this_curve = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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gp_Pnt2d pnt = this_curve->EndPoint();
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Py::Module module("__FreeCADBase__");
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Py::Callable method(module.getAttr("Vector2d"));
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Py::Tuple arg(2);
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arg.setItem(0, Py::Float(pnt.X()));
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arg.setItem(1, Py::Float(pnt.Y()));
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return method.apply(arg);
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}
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void Line2dSegmentPy::setEndPoint(Py::Object arg)
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{
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gp_Pnt2d p1, p2;
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Handle_Geom2d_TrimmedCurve this_curv = Handle_Geom2d_TrimmedCurve::DownCast
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(this->getGeom2dLineSegmentPtr()->handle());
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p1 = this_curv->StartPoint();
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PyObject *p = arg.ptr();
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if (PyObject_TypeCheck(p, Base::Vector2dPy::type_object())) {
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Base::Vector2d v = Py::Vector2d(p).getCxxObject()->value();
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p2.SetX(v.x);
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p2.SetY(v.y);
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}
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else if (PyTuple_Check(p)) {
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Py::Tuple tuple(arg);
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p2.SetX((double)Py::Float(tuple.getItem(0)));
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p2.SetY((double)Py::Float(tuple.getItem(1)));
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}
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else {
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std::string error = std::string("type must be 'Vector' or tuple, not ");
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error += p->ob_type->tp_name;
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throw Py::TypeError(error);
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}
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try {
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// Create line out of two points
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if (p1.Distance(p2) < gp::Resolution())
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Standard_Failure::Raise("Both points are equal");
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GCE2d_MakeSegment ms(p1, p2);
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if (!ms.IsDone()) {
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throw Py::Exception(gce_ErrorStatusText(ms.Status()));
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}
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// get Geom_Line of line segment
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Handle_Geom2d_Line this_line = Handle_Geom2d_Line::DownCast
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(this_curv->BasisCurve());
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Handle_Geom2d_TrimmedCurve that_curv = ms.Value();
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Handle_Geom2d_Line that_line = Handle_Geom2d_Line::DownCast(that_curv->BasisCurve());
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this_line->SetLin2d(that_line->Lin2d());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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throw Py::Exception(e->GetMessageString());
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}
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}
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PyObject *Line2dSegmentPy::getCustomAttributes(const char* /*attr*/) const
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{
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return 0;
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}
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int Line2dSegmentPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
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{
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return 0;
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}
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