src/Mod/Part/App/Geom2d/BezierCurve2dPyImp.cpp

// SPDX-License-Identifier: LGPL-2.1-or-later

/***************************************************************************
 *   Copyright (c) 2016 Werner Mayer <wmayer[at]users.sourceforge.net>     *
 *                                                                         *
 *   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 <Geom2d_BezierCurve.hxx>
#include <gp_Pnt2d.hxx>
#include <TColgp_Array1OfPnt2d.hxx>
#include <TColStd_Array1OfReal.hxx>


#include <Base/GeometryPyCXX.h>

#include "Geom2d/BezierCurve2dPy.h"
#include "Geom2d/BezierCurve2dPy.cpp"
#include "OCCError.h"


using namespace Part;

// returns a string which represents the object e.g. when printed in python
std::string BezierCurve2dPy::representation() const
{
    return "<BezierCurve2d object>";
}

PyObject* BezierCurve2dPy::PyMake(struct _typeobject*, PyObject*, PyObject*)  // Python wrapper
{
    // create a new instance of BezierCurve2dPy and the Twin object
    return new BezierCurve2dPy(new Geom2dBezierCurve);
}

// constructor method
int BezierCurve2dPy::PyInit(PyObject* /*args*/, PyObject* /*kwd*/)
{
    return 0;
}

PyObject* BezierCurve2dPy::isRational(PyObject* args)
{
    if (!PyArg_ParseTuple(args, "")) {
        return nullptr;
    }
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    Standard_Boolean val = curve->IsRational();
    return PyBool_FromLong(val ? 1 : 0);
}

PyObject* BezierCurve2dPy::isPeriodic(PyObject* args)
{
    if (!PyArg_ParseTuple(args, "")) {
        return nullptr;
    }
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    Standard_Boolean val = curve->IsPeriodic();
    return PyBool_FromLong(val ? 1 : 0);
}

PyObject* BezierCurve2dPy::isClosed(PyObject* args)
{
    if (!PyArg_ParseTuple(args, "")) {
        return nullptr;
    }
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    Standard_Boolean val = curve->IsClosed();
    return PyBool_FromLong(val ? 1 : 0);
}

PyObject* BezierCurve2dPy::increase(PyObject* args)
{
    int degree;
    if (!PyArg_ParseTuple(args, "i", &degree)) {
        return nullptr;
    }
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    curve->Increase(degree);
    Py_Return;
}

PyObject* BezierCurve2dPy::insertPoleAfter(PyObject* args)
{
    int index;
    double weight = 1.0;
    PyObject* p;
    if (!PyArg_ParseTuple(args, "iO!|d", &index, Base::Vector2dPy::type_object(), &p, &weight)) {
        return nullptr;
    }
    Base::Vector2d vec = Py::toVector2d(p);
    gp_Pnt2d pnt(vec.x, vec.y);
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        curve->InsertPoleAfter(index, pnt, weight);
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::insertPoleBefore(PyObject* args)
{
    int index;
    double weight = 1.0;
    PyObject* p;
    if (!PyArg_ParseTuple(args, "iO!|d", &index, Base::Vector2dPy::type_object(), &p, &weight)) {
        return nullptr;
    }
    Base::Vector2d vec = Py::toVector2d(p);
    gp_Pnt2d pnt(vec.x, vec.y);
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        curve->InsertPoleBefore(index, pnt, weight);
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::removePole(PyObject* args)
{
    int index;
    if (!PyArg_ParseTuple(args, "i", &index)) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        curve->RemovePole(index);
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::segment(PyObject* args)
{
    double u1, u2;
    if (!PyArg_ParseTuple(args, "dd", &u1, &u2)) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        curve->Segment(u1, u2);
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::setPole(PyObject* args)
{
    int index;
    double weight = -1.0;
    PyObject* p;
    if (!PyArg_ParseTuple(args, "iO!|d", &index, Base::Vector2dPy::type_object(), &p, &weight)) {
        return nullptr;
    }
    Base::Vector2d vec = Py::toVector2d(p);
    gp_Pnt2d pnt(vec.x, vec.y);
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        if (weight < 0.0) {
            curve->SetPole(index, pnt);
        }
        else {
            curve->SetPole(index, pnt, weight);
        }
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::getPole(PyObject* args)
{
    int index;
    if (!PyArg_ParseTuple(args, "i", &index)) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        Standard_OutOfRange_Raise_if(index < 1 || index > curve->NbPoles(), "Pole index out of range");
        gp_Pnt2d pnt = curve->Pole(index);
        return Py::new_reference_to(Base::Vector2dPy::create(pnt.X(), pnt.Y()));
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::getPoles(PyObject* args)
{
    if (!PyArg_ParseTuple(args, "")) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        TColgp_Array1OfPnt2d p(1, curve->NbPoles());
        curve->Poles(p);
        Py::List poles;

        for (Standard_Integer i = p.Lower(); i <= p.Upper(); i++) {
            gp_Pnt2d pnt = p(i);
            poles.append(Base::Vector2dPy::create(pnt.X(), pnt.Y()));
        }
        return Py::new_reference_to(poles);
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::setPoles(PyObject* args)
{
    PyObject* plist;
    if (!PyArg_ParseTuple(args, "O", &plist)) {
        return nullptr;
    }
    try {
        Py::Sequence list(plist);
        TColgp_Array1OfPnt2d poles(1, list.size());
        int index = poles.Lower();
        for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
            Base::Vector2d pole = Py::toVector2d(*it);
            poles.SetValue(index++, gp_Pnt2d(pole.x, pole.y));
        }

        Handle(Geom2d_BezierCurve) bezier = new Geom2d_BezierCurve(poles);
        this->getGeom2dBezierCurvePtr()->setHandle(bezier);
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::setWeight(PyObject* args)
{
    int index;
    double weight;
    if (!PyArg_ParseTuple(args, "id", &index, &weight)) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        curve->SetWeight(index, weight);
        Py_Return;
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::getWeight(PyObject* args)
{
    int index;
    if (!PyArg_ParseTuple(args, "i", &index)) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        Standard_OutOfRange_Raise_if(index < 1 || index > curve->NbPoles(), "Weight index out of range");
        double weight = curve->Weight(index);
        return Py_BuildValue("d", weight);
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::getWeights(PyObject* args)
{
    if (!PyArg_ParseTuple(args, "")) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        TColStd_Array1OfReal w(1, curve->NbPoles());
        curve->Weights(w);
        Py::List weights;
        for (Standard_Integer i = w.Lower(); i <= w.Upper(); i++) {
            weights.append(Py::Float(w(i)));
        }
        return Py::new_reference_to(weights);
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject* BezierCurve2dPy::getResolution(PyObject* args) const
{
    double tol;
    if (!PyArg_ParseTuple(args, "d", &tol)) {
        return nullptr;
    }
    try {
        Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
            getGeometry2dPtr()->handle()
        );
        double utol;
        curve->Resolution(tol, utol);
        return Py_BuildValue("d", utol);
    }
    catch (Standard_Failure& e) {
        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}
Py::Long BezierCurve2dPy::getDegree() const
{
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    return Py::Long(curve->Degree());
}

Py::Long BezierCurve2dPy::getMaxDegree() const
{
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    return Py::Long(curve->MaxDegree());
}

Py::Long BezierCurve2dPy::getNbPoles() const
{
    Handle(Geom2d_BezierCurve) curve = Handle(Geom2d_BezierCurve)::DownCast(
        getGeometry2dPtr()->handle()
    );
    return Py::Long(curve->NbPoles());
}

Py::Object BezierCurve2dPy::getStartPoint() const
{
    Handle(Geom2d_BezierCurve) c = Handle(Geom2d_BezierCurve)::DownCast(getGeometry2dPtr()->handle());
    gp_Pnt2d pnt = c->StartPoint();
    return Base::Vector2dPy::create(pnt.X(), pnt.Y());
}

Py::Object BezierCurve2dPy::getEndPoint() const
{
    Handle(Geom2d_BezierCurve) c = Handle(Geom2d_BezierCurve)::DownCast(getGeometry2dPtr()->handle());
    gp_Pnt2d pnt = c->EndPoint();
    return Base::Vector2dPy::create(pnt.X(), pnt.Y());
}

PyObject* BezierCurve2dPy::getCustomAttributes(const char* /*attr*/) const
{
    return nullptr;
}

int BezierCurve2dPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
    return 0;
}