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///***************************************************************************
// * Copyright (c) 2022 Matteo Grellier <matteogrellier@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 <BRepAdaptor_Curve.hxx>
#include <TopoDS.hxx>
// clang-format off
#include "Blending/BlendPoint.h"
#include "Blending/BlendPointPy.h"
#include "Blending/BlendPointPy.cpp"
// clang-format on
#include <Base/GeometryPyCXX.h>
#include <Base/VectorPy.h>
#include <Mod/Part/App/TopoShapePy.h>
using namespace Surface;
std::string BlendPointPy::representation() const
{
std::stringstream str;
str << "G" << getBlendPointPtr()->getContinuity() << " BlendPoint";
if (getBlendPointPtr()->vectors.empty()) {
Base::Vector3d bp = getBlendPointPtr()->vectors[0];
str << " at (" << bp.x << ", " << bp.y << ", " << bp.z << "), ";
}
return str.str();
}
PyObject* BlendPointPy::PyMake(struct _typeobject*, PyObject*, PyObject*) // Python wrapper
{
// create a new instance of BlendPointPy
return new BlendPointPy(new BlendPoint);
}
int BlendPointPy::PyInit(PyObject* args, PyObject*)
{
PyObject* plist;
std::vector<Base::Vector3d> vecs;
if (PyArg_ParseTuple(args, "O", &plist)) {
Py::Sequence list(plist);
if (list.size() == 0) {
vecs.emplace_back(Base::Vector3d(0, 0, 0));
}
else {
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
Py::Vector v(*it);
Base::Vector3d vec = v.toVector();
vecs.emplace_back(vec);
}
}
this->getBlendPointPtr()->vectors = vecs;
return 0;
}
PyErr_Clear();
if (PyArg_ParseTuple(args, "")) {
vecs.emplace_back(Base::Vector3d(0, 0, 0));
this->getBlendPointPtr()->vectors = vecs;
return 0;
}
double param;
int cont;
PyObject* pcObj;
PyErr_Clear();
// Create a curve with an edge, parameter and continiuity.
if (PyArg_ParseTuple(args, "O!di", &(Part::TopoShapePy::Type), &pcObj, ¶m, &cont)) {
try {
gp_Pnt Pt;
TopoDS_Shape shape = static_cast<Part::TopoShapePy*>(pcObj)->getTopoShapePtr()->getShape();
const TopoDS_Edge& e = TopoDS::Edge(shape);
BRepAdaptor_Curve adapt(e);
if (param < adapt.FirstParameter() || param > adapt.LastParameter()) {
PyErr_Warn(PyExc_UserWarning, "BlendPoint: edge is not a closed curve");
Base::Console().message("fp=%f\n", adapt.FirstParameter());
Base::Console().message("lp=%f\n", adapt.LastParameter());
}
adapt.D0(param, Pt);
Base::Vector3d bv(Pt.X(), Pt.Y(), Pt.Z());
vecs.emplace_back(bv);
for (int i = 1; i <= cont; i++) {
gp_Vec v1 = adapt.DN(param, i);
Base::Vector3d bbv1(v1.X(), v1.Y(), v1.Z());
vecs.emplace_back(bbv1);
}
this->getBlendPointPtr()->vectors = vecs;
return 0;
}
catch (const std::exception& e) {
PyErr_SetString(PyExc_RuntimeError, e.what());
return -1;
}
}
PyErr_SetString(
PyExc_TypeError,
"supported signatures:\n"
"BlendPoint()\n"
"BlendPoint(list of Vector)\n"
"BlendPoint(edge, parameter and continiuity)\n"
);
return -1;
}
PyObject* BlendPointPy::setSize(PyObject* args)
{
double size = 1.0;
if (!PyArg_ParseTuple(args, "d", &size)) {
return nullptr;
}
try {
getBlendPointPtr()->setSize(size);
Py_Return;
}
catch (Standard_Failure&) {
PyErr_SetString(Base::PyExc_FC_CADKernelError, "Failed to set size");
return nullptr;
}
}
PyObject* BlendPointPy::getSize(PyObject* args) const
{
if (!PyArg_ParseTuple(args, "")) {
return nullptr;
}
int nb = getBlendPointPtr()->nbVectors();
if (nb >= 2) {
double bpTangentLength = getBlendPointPtr()->vectors[1].Length();
return Py_BuildValue("d", bpTangentLength);
}
PyErr_SetString(PyExc_RuntimeError, "Cannot determine size");
return nullptr;
}
Py::List BlendPointPy::getVectors() const
{
BlendPoint* bp = getBlendPointPtr();
Py::List vecs;
for (const auto& p : bp->vectors) {
Base::VectorPy* vec = new Base::VectorPy(p);
vecs.append(Py::asObject(vec));
}
return vecs;
}
PyObject* BlendPointPy::setvectors(PyObject* args)
{
PyObject* plist;
if (!PyArg_ParseTuple(args, "O", &plist)) {
PyErr_SetString(PyExc_TypeError, "List of vectors required.");
return nullptr;
}
Py::Sequence list(plist);
std::vector<Base::Vector3d> vecs;
for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
Py::Vector v(*it);
Base::Vector3d pole = v.toVector();
vecs.emplace_back(pole);
}
BlendPoint* bp = getBlendPointPtr();
bp->vectors = vecs;
Py_Return;
}
PyObject* BlendPointPy::getCustomAttributes(const char* /*attr*/) const
{
return nullptr;
}
int BlendPointPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
return 0;
}
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