FreeCAD

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/***************************************************************************
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 *   Copyright (c) 2011 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 <GC_MakeArcOfCircle.hxx>
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# include <Geom_Circle.hxx>
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# include <Geom_TrimmedCurve.hxx>
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#endif
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#include <Base/VectorPy.h>
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#include "ArcOfCirclePy.h"
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#include "ArcOfCirclePy.cpp"
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#include "CirclePy.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 ArcOfCirclePy::representation() const
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{
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    Handle(Geom_TrimmedCurve) trim = Handle(Geom_TrimmedCurve)::DownCast
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        (getGeomArcOfCirclePtr()->handle());
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    Handle(Geom_Circle) circle = Handle(Geom_Circle)::DownCast(trim->BasisCurve());
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    gp_Ax1 axis = circle->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 fRad = circle->Radius();
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    Standard_Real u1 = trim->FirstParameter();
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    Standard_Real u2 = trim->LastParameter();
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    std::stringstream str;
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    str << "ArcOfCircle (";
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    str << "Radius : " << fRad << ", ";
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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 *ArcOfCirclePy::PyMake(struct _typeobject *, PyObject *, PyObject *)  // Python wrapper
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{
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    // create a new instance of ArcOfCirclePy and the Twin object
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    return new ArcOfCirclePy(new GeomArcOfCircle);
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}
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// constructor method
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int ArcOfCirclePy::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::CirclePy::Type), &o, &u1, &u2, &PyBool_Type, &sense)) {
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        try {
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            Handle(Geom_Circle) circle = Handle(Geom_Circle)::DownCast
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                (static_cast<CirclePy*>(o)->getGeomCirclePtr()->handle());
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            GC_MakeArcOfCircle arc(circle->Circ(), 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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            getGeomArcOfCirclePtr()->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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    PyErr_Clear();
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    PyObject *pV1, *pV2, *pV3;
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    if (PyArg_ParseTuple(args, "O!O!O!", &(Base::VectorPy::Type), &pV1,
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                                         &(Base::VectorPy::Type), &pV2,
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                                         &(Base::VectorPy::Type), &pV3)) {
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        Base::Vector3d v1 = static_cast<Base::VectorPy*>(pV1)->value();
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        Base::Vector3d v2 = static_cast<Base::VectorPy*>(pV2)->value();
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        Base::Vector3d v3 = static_cast<Base::VectorPy*>(pV3)->value();
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        GC_MakeArcOfCircle arc(gp_Pnt(v1.x,v1.y,v1.z),
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                               gp_Pnt(v2.x,v2.y,v2.z),
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                               gp_Pnt(v3.x,v3.y,v3.z));
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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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        getGeomArcOfCirclePtr()->setHandle(arc.Value());
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        return 0;
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    }
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    // All checks failed
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    PyErr_SetString(PyExc_TypeError,
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        "ArcOfCircle constructor expects a circle curve and a parameter range or three points");
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    return -1;
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}
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Py::Float ArcOfCirclePy::getRadius() const
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{
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    return Py::Float(getGeomArcOfCirclePtr()->getRadius());
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}
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void  ArcOfCirclePy::setRadius(Py::Float arg)
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{
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    getGeomArcOfCirclePtr()->setRadius((double)arg);
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}
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Py::Object ArcOfCirclePy::getCircle() const
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{
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    Handle(Geom_TrimmedCurve) trim = Handle(Geom_TrimmedCurve)::DownCast
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        (getGeomArcOfCirclePtr()->handle());
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    Handle(Geom_Circle) circle = Handle(Geom_Circle)::DownCast(trim->BasisCurve());
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    return Py::Object(new CirclePy(new GeomCircle(circle)), true);
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}
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PyObject *ArcOfCirclePy::getCustomAttributes(const char* ) const
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{
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    return nullptr;
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}
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int ArcOfCirclePy::setCustomAttributes(const char* , PyObject *)
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{
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    return 0;
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}
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