FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2014 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com>     *
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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 <GC_MakeArcOfParabola.hxx>
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# include <Geom_Parabola.hxx>
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# include <Geom_TrimmedCurve.hxx>
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#endif
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#include "ArcOfParabolaPy.h"
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#include "ArcOfParabolaPy.cpp"
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#include "ParabolaPy.h"
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#include "OCCError.h"
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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 ArcOfParabolaPy::representation() const
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{
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    Handle(Geom_TrimmedCurve) trim = Handle(Geom_TrimmedCurve)::DownCast
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        (getGeomArcOfParabolaPtr()->handle());
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    Handle(Geom_Parabola) parabola = Handle(Geom_Parabola)::DownCast(trim->BasisCurve());
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    gp_Ax1 axis = parabola->Axis();
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    gp_Dir dir = axis.Direction();
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    gp_Pnt loc = axis.Location();
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    Standard_Real fFocal = parabola->Focal();
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    Standard_Real u1 = trim->FirstParameter();
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    Standard_Real u2 = trim->LastParameter();
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    gp_Dir normal = parabola->Axis().Direction();
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    gp_Dir xdir = parabola->XAxis().Direction();
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    gp_Ax2 xdirref(loc, normal); // this is a reference XY for the parabola
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    Standard_Real fAngleXU = -xdir.AngleWithRef(xdirref.XDirection(),normal);
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    std::stringstream str;
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    str << "ArcOfParabola (";
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    str << "Focal : " << fFocal << ", ";
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    str << "AngleXU : " << fAngleXU << ", ";
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    str << "Position : (" << loc.X() << ", "<< loc.Y() << ", "<< loc.Z() << "), ";
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    str << "Direction : (" << dir.X() << ", "<< dir.Y() << ", "<< dir.Z() << "), ";
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    str << "Parameter : (" << u1 << ", " << u2 << ")";
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    str << ")";
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    return str.str();
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}
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PyObject *ArcOfParabolaPy::PyMake(struct _typeobject *, PyObject *, PyObject *)  // Python wrapper
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{
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    // create a new instance of ArcOfParabolaPy and the Twin object
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    return new ArcOfParabolaPy(new GeomArcOfParabola);
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}
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// constructor method
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int ArcOfParabolaPy::PyInit(PyObject* args, PyObject* /*kwds*/)
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{
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    PyObject* o;
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    double u1, u2;
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    PyObject *sense=Py_True;
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    if (PyArg_ParseTuple(args, "O!dd|O!", &(Part::ParabolaPy::Type), &o, &u1, &u2, &PyBool_Type, &sense)) {
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        try {
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            Handle(Geom_Parabola) parabola = Handle(Geom_Parabola)::DownCast
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                (static_cast<ParabolaPy*>(o)->getGeomParabolaPtr()->handle());
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            GC_MakeArcOfParabola arc(parabola->Parab(), u1, u2, Base::asBoolean(sense));
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            if (!arc.IsDone()) {
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                PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(arc.Status()));
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                return -1;
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            }
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            getGeomArcOfParabolaPtr()->setHandle(arc.Value());
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            return 0;
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        }
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        catch (Standard_Failure& e) {
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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 arc failed");
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            return -1;
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        }
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    }
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    // All checks failed
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    PyErr_SetString(PyExc_TypeError,
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        "ArcOfParabola constructor expects an parabola curve and a parameter range");
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    return -1;
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}
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Py::Float ArcOfParabolaPy::getFocal() const
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{
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    return Py::Float(getGeomArcOfParabolaPtr()->getFocal());
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}
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void  ArcOfParabolaPy::setFocal(Py::Float arg)
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{
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    getGeomArcOfParabolaPtr()->setFocal((double)arg);
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}
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Py::Object ArcOfParabolaPy::getParabola() const
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{
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    Handle(Geom_TrimmedCurve) trim = Handle(Geom_TrimmedCurve)::DownCast
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        (getGeomArcOfParabolaPtr()->handle());
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    Handle(Geom_Parabola) parabola = Handle(Geom_Parabola)::DownCast(trim->BasisCurve());
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    return Py::Object(new ParabolaPy(new GeomParabola(parabola)), true);
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}
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PyObject *ArcOfParabolaPy::getCustomAttributes(const char* ) const
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{
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    return nullptr;
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}
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int ArcOfParabolaPy::setCustomAttributes(const char* , PyObject *)
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{
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    return 0;
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}
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