FreeCAD

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/***************************************************************************
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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 <Geom2d_OffsetCurve.hxx>
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#endif
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#include "Geom2d/OffsetCurve2dPy.h"
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#include "Geom2d/OffsetCurve2dPy.cpp"
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#include "OCCError.h"
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using namespace Part;
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// returns a string which represents the object e.g. when printed in python
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std::string OffsetCurve2dPy::representation() const
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{
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    return "<OffsetCurve2d object>";
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}
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PyObject *OffsetCurve2dPy::PyMake(struct _typeobject *, PyObject *, PyObject *)  // Python wrapper
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{
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    // create a new instance of OffsetCurve2dPy and the Twin object
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    return new OffsetCurve2dPy(new Geom2dOffsetCurve);
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}
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// constructor method
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int OffsetCurve2dPy::PyInit(PyObject* args, PyObject* /*kwd*/)
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{
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    PyObject* pGeom;
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    double offset;
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    if (!PyArg_ParseTuple(args, "O!d",
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                            &(Curve2dPy::Type), &pGeom,
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                            &offset))
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        return -1;
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    Curve2dPy* pcGeo = static_cast<Curve2dPy*>(pGeom);
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    Handle(Geom2d_Curve) curve = Handle(Geom2d_Curve)::DownCast
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        (pcGeo->getGeometry2dPtr()->handle());
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    if (curve.IsNull()) {
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        PyErr_SetString(PyExc_TypeError, "geometry is not a curve");
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        return -1;
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    }
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    try {
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        Handle(Geom2d_OffsetCurve) curve2 = new Geom2d_OffsetCurve(curve, offset);
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        getGeom2dOffsetCurvePtr()->setHandle(curve2);
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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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}
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Py::Float OffsetCurve2dPy::getOffsetValue() const
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{
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    Handle(Geom2d_OffsetCurve) curve = Handle(Geom2d_OffsetCurve)::DownCast(getGeometry2dPtr()->handle());
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    return Py::Float(curve->Offset());
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}
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void OffsetCurve2dPy::setOffsetValue(Py::Float arg)
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{
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    Handle(Geom2d_OffsetCurve) curve = Handle(Geom2d_OffsetCurve)::DownCast(getGeometry2dPtr()->handle());
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    curve->SetOffsetValue((double)arg);
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}
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Py::Object OffsetCurve2dPy::getBasisCurve() const
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{
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    Handle(Geom2d_OffsetCurve) curve = Handle(Geom2d_OffsetCurve)::DownCast(getGeometry2dPtr()->handle());
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    Handle(Geom2d_Curve) basis = curve->BasisCurve();
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    if (basis.IsNull())
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        return Py::None();
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    std::unique_ptr<Geom2dCurve> geo2d = makeFromCurve2d(basis);
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    if (!geo2d)
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        throw Py::RuntimeError("Unknown curve type");
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    return Py::asObject(geo2d->getPyObject());
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}
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void OffsetCurve2dPy::setBasisCurve(Py::Object arg)
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{
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    PyObject* p = arg.ptr();
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    if (PyObject_TypeCheck(p, &(Curve2dPy::Type))) {
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        Curve2dPy* pcGeo = static_cast<Curve2dPy*>(p);
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        Handle(Geom2d_Curve) curve = Handle(Geom2d_Curve)::DownCast
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            (pcGeo->getGeometry2dPtr()->handle());
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        if (curve.IsNull()) {
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            throw Py::TypeError("geometry is not a curve");
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        }
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        Handle(Geom2d_OffsetCurve) curve2 = Handle(Geom2d_OffsetCurve)::DownCast
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            (getGeometry2dPtr()->handle());
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        if (curve == curve2) {
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            throw Py::RuntimeError("cannot set this curve as basis");
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        }
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        try {
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            curve2->SetBasisCurve(curve);
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        }
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        catch (Standard_Failure& e) {
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            throw Py::RuntimeError(e.GetMessageString());
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        }
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    }
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}
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PyObject *OffsetCurve2dPy::getCustomAttributes(const char* /*attr*/) const
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{
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    return nullptr;
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}
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int OffsetCurve2dPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
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{
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    return 0;
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}
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