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/***************************************************************************
* Copyright (c) 2014 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include <GC_MakeArcOfEllipse.hxx>
#include <Geom_Ellipse.hxx>
#include <Geom_TrimmedCurve.hxx>
#include "ArcOfEllipsePy.h"
#include "ArcOfEllipsePy.cpp"
#include "EllipsePy.h"
#include "OCCError.h"
using namespace Part;
extern const char* gce_ErrorStatusText(gce_ErrorType et);
// returns a string which represents the object e.g. when printed in python
std::string ArcOfEllipsePy::representation() const
{
Handle(Geom_TrimmedCurve) trim = Handle(Geom_TrimmedCurve)::DownCast(
getGeomArcOfEllipsePtr()->handle()
);
Handle(Geom_Ellipse) ellipse = Handle(Geom_Ellipse)::DownCast(trim->BasisCurve());
gp_Ax1 axis = ellipse->Axis();
gp_Dir dir = axis.Direction();
gp_Pnt loc = axis.Location();
Standard_Real fMajRad = ellipse->MajorRadius();
Standard_Real fMinRad = ellipse->MinorRadius();
Standard_Real u1 = trim->FirstParameter();
Standard_Real u2 = trim->LastParameter();
gp_Dir normal = ellipse->Axis().Direction();
gp_Dir xdir = ellipse->XAxis().Direction();
gp_Ax2 xdirref(loc, normal); // this is a reference XY for the ellipse
Standard_Real fAngleXU = -xdir.AngleWithRef(xdirref.XDirection(), normal);
std::stringstream str;
str << "ArcOfEllipse (";
str << "MajorRadius : " << fMajRad << ", ";
str << "MinorRadius : " << fMinRad << ", ";
str << "AngleXU : " << fAngleXU << ", ";
str << "Position : (" << loc.X() << ", " << loc.Y() << ", " << loc.Z() << "), ";
str << "Direction : (" << dir.X() << ", " << dir.Y() << ", " << dir.Z() << "), ";
str << "Parameter : (" << u1 << ", " << u2 << ")";
str << ")";
return str.str();
}
PyObject* ArcOfEllipsePy::PyMake(struct _typeobject*, PyObject*, PyObject*) // Python wrapper
{
// create a new instance of ArcOfEllipsePy and the Twin object
return new ArcOfEllipsePy(new GeomArcOfEllipse);
}
// constructor method
int ArcOfEllipsePy::PyInit(PyObject* args, PyObject* /*kwds*/)
{
PyObject* o;
double u1, u2;
PyObject* sense = Py_True;
if (PyArg_ParseTuple(args, "O!dd|O!", &(Part::EllipsePy::Type), &o, &u1, &u2, &PyBool_Type, &sense)) {
try {
Handle(Geom_Ellipse) ellipse = Handle(Geom_Ellipse)::DownCast(
static_cast<EllipsePy*>(o)->getGeomEllipsePtr()->handle()
);
GC_MakeArcOfEllipse arc(ellipse->Elips(), u1, u2, Base::asBoolean(sense));
if (!arc.IsDone()) {
PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(arc.Status()));
return -1;
}
getGeomArcOfEllipsePtr()->setHandle(arc.Value());
return 0;
}
catch (Standard_Failure& e) {
PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
return -1;
}
catch (...) {
PyErr_SetString(PartExceptionOCCError, "creation of arc failed");
return -1;
}
}
// All checks failed
PyErr_SetString(
PyExc_TypeError,
"ArcOfEllipse constructor expects an ellipse curve and a parameter range"
);
return -1;
}
Py::Float ArcOfEllipsePy::getMajorRadius() const
{
return Py::Float(getGeomArcOfEllipsePtr()->getMajorRadius());
}
void ArcOfEllipsePy::setMajorRadius(Py::Float arg)
{
getGeomArcOfEllipsePtr()->setMajorRadius((double)arg);
}
Py::Float ArcOfEllipsePy::getMinorRadius() const
{
return Py::Float(getGeomArcOfEllipsePtr()->getMinorRadius());
}
void ArcOfEllipsePy::setMinorRadius(Py::Float arg)
{
getGeomArcOfEllipsePtr()->setMinorRadius((double)arg);
}
Py::Object ArcOfEllipsePy::getEllipse() const
{
Handle(Geom_TrimmedCurve) trim = Handle(Geom_TrimmedCurve)::DownCast(
getGeomArcOfEllipsePtr()->handle()
);
Handle(Geom_Ellipse) ellipse = Handle(Geom_Ellipse)::DownCast(trim->BasisCurve());
return Py::Object(new EllipsePy(new GeomEllipse(ellipse)), true);
}
PyObject* ArcOfEllipsePy::getCustomAttributes(const char*) const
{
return nullptr;
}
int ArcOfEllipsePy::setCustomAttributes(const char*, PyObject*)
{
return 0;
}
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