322 lines
12 KiB
C++
322 lines
12 KiB
C++
/***************************************************************************
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* Copyright (c) 2008 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_MakeSegment.hxx>
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# include <Geom_Line.hxx>
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# include <Geom_TrimmedCurve.hxx>
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#endif
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#include <Base/GeometryPyCXX.h>
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#include <Base/VectorPy.h>
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#include "LineSegmentPy.h"
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#include "LineSegmentPy.cpp"
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#include "LinePy.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 LineSegmentPy::representation() const
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{
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std::stringstream str;
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Base::Vector3d start = getGeomLineSegmentPtr()->getStartPoint();
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Base::Vector3d end = getGeomLineSegmentPtr()->getEndPoint();
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str << "<Line segment ("
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<< start.x << "," <<start.y << "," <<start.z << ") ("
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<< end.x << "," <<end.y << "," <<end.z << ") >";
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return str.str();
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}
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PyObject *LineSegmentPy::PyMake(struct _typeobject *, PyObject *, PyObject *) // Python wrapper
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{
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// create a new instance of LineSegmentPy and the Twin object
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return new LineSegmentPy(new GeomLineSegment);
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}
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// constructor method
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int LineSegmentPy::PyInit(PyObject* args, PyObject* /*kwd*/)
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{
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if (PyArg_ParseTuple(args, "")) {
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return 0;
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}
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PyErr_Clear();
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PyObject *pLine;
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if (PyArg_ParseTuple(args, "O!", &(LineSegmentPy::Type), &pLine)) {
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// Copy line
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LineSegmentPy* pcLine = static_cast<LineSegmentPy*>(pLine);
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// get Geom_Line of line segment
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Handle(Geom_TrimmedCurve) that_curv = Handle(Geom_TrimmedCurve)::DownCast
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(pcLine->getGeomLineSegmentPtr()->handle());
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Handle(Geom_Line) that_line = Handle(Geom_Line)::DownCast
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(that_curv->BasisCurve());
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// get Geom_Line of line segment
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Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
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(this_curv->BasisCurve());
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// Assign the lines
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this_line->SetLin(that_line->Lin());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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return 0;
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}
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PyErr_Clear();
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double first, last;
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if (PyArg_ParseTuple(args, "O!dd", &(LineSegmentPy::Type), &pLine, &first, &last)) {
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// Copy line
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LineSegmentPy* pcLine = static_cast<LineSegmentPy*>(pLine);
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// get Geom_Line of line segment
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Handle(Geom_TrimmedCurve) that_curv = Handle(Geom_TrimmedCurve)::DownCast
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(pcLine->getGeomLineSegmentPtr()->handle());
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Handle(Geom_Line) that_line = Handle(Geom_Line)::DownCast
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(that_curv->BasisCurve());
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// get Geom_Line of line segment
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Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
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(this_curv->BasisCurve());
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// Assign the lines
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this_line->SetLin(that_line->Lin());
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this_curv->SetTrim(first, last);
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return 0;
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}
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PyErr_Clear();
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if (PyArg_ParseTuple(args, "O!dd", &(LinePy::Type), &pLine, &first, &last)) {
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// Copy line
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LinePy* pcLine = static_cast<LinePy*>(pLine);
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// get Geom_Line of line segment
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Handle(Geom_Line) that_line = Handle(Geom_Line)::DownCast
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(pcLine->getGeomLinePtr()->handle());
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// get Geom_Line of line segment
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Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
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(this_curv->BasisCurve());
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// Assign the lines
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this_line->SetLin(that_line->Lin());
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this_curv->SetTrim(first, last);
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return 0;
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}
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PyErr_Clear();
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PyObject *pV1, *pV2;
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if (PyArg_ParseTuple(args, "O!O!", &(Base::VectorPy::Type), &pV1,
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&(Base::VectorPy::Type), &pV2)) {
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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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try {
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// Create line out of two points
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double distance = Base::Distance(v1, v2);
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if (distance < gp::Resolution())
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Standard_Failure::Raise("Both points are equal");
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GC_MakeSegment ms(gp_Pnt(v1.x,v1.y,v1.z),
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gp_Pnt(v2.x,v2.y,v2.z));
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if (!ms.IsDone()) {
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PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(ms.Status()));
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return -1;
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}
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// get Geom_Line of line segment
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Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
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(this_curv->BasisCurve());
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Handle(Geom_TrimmedCurve) that_curv = ms.Value();
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Handle(Geom_Line) that_line = Handle(Geom_Line)::DownCast(that_curv->BasisCurve());
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this_line->SetLin(that_line->Lin());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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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 line failed");
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return -1;
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}
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}
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PyErr_SetString(PyExc_TypeError, "Line constructor accepts:\n"
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"-- empty parameter list\n"
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"-- LineSegment\n"
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"-- LineSegment,double,double\n"
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"-- Line,double,double\n"
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"-- Point, Point");
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return -1;
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}
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PyObject* LineSegmentPy::setParameterRange(PyObject *args)
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{
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double first, last;
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if (!PyArg_ParseTuple(args, "dd", &first, &last))
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return nullptr;
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try {
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Handle(Geom_TrimmedCurve) this_curve = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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this_curve->SetTrim(first, last);
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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 nullptr;
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}
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Py_Return;
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}
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Py::Object LineSegmentPy::getStartPoint() const
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{
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Handle(Geom_TrimmedCurve) this_curve = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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gp_Pnt pnt = this_curve->StartPoint();
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return Py::Vector(Base::Vector3d(pnt.X(), pnt.Y(), pnt.Z()));
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}
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void LineSegmentPy::setStartPoint(Py::Object arg)
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{
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gp_Pnt p1, p2;
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Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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p2 = this_curv->EndPoint();
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PyObject *p = arg.ptr();
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if (PyObject_TypeCheck(p, &(Base::VectorPy::Type))) {
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Base::Vector3d v = static_cast<Base::VectorPy*>(p)->value();
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p1.SetX(v.x);
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p1.SetY(v.y);
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p1.SetZ(v.z);
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}
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else if (PyTuple_Check(p)) {
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Py::Tuple tuple(arg);
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p1.SetX((double)Py::Float(tuple.getItem(0)));
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p1.SetY((double)Py::Float(tuple.getItem(1)));
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p1.SetZ((double)Py::Float(tuple.getItem(2)));
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}
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else {
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std::string error = std::string("type must be 'Vector' or tuple, not ");
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error += p->ob_type->tp_name;
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throw Py::TypeError(error);
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}
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try {
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// Create line out of two points
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if (p1.Distance(p2) < gp::Resolution())
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Standard_Failure::Raise("Both points are equal");
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GC_MakeSegment ms(p1, p2);
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if (!ms.IsDone()) {
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throw Py::RuntimeError(gce_ErrorStatusText(ms.Status()));
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}
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// get Geom_Line of line segment
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Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
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(this_curv->BasisCurve());
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Handle(Geom_TrimmedCurve) that_curv = ms.Value();
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Handle(Geom_Line) that_line = Handle(Geom_Line)::DownCast(that_curv->BasisCurve());
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this_line->SetLin(that_line->Lin());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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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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Py::Object LineSegmentPy::getEndPoint() const
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{
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Handle(Geom_TrimmedCurve) this_curve = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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gp_Pnt pnt = this_curve->EndPoint();
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return Py::Vector(Base::Vector3d(pnt.X(), pnt.Y(), pnt.Z()));
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}
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void LineSegmentPy::setEndPoint(Py::Object arg)
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{
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gp_Pnt p1, p2;
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Handle(Geom_TrimmedCurve) this_curv = Handle(Geom_TrimmedCurve)::DownCast
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(this->getGeomLineSegmentPtr()->handle());
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p1 = this_curv->StartPoint();
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PyObject *p = arg.ptr();
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if (PyObject_TypeCheck(p, &(Base::VectorPy::Type))) {
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Base::Vector3d v = static_cast<Base::VectorPy*>(p)->value();
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p2.SetX(v.x);
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p2.SetY(v.y);
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p2.SetZ(v.z);
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}
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else if (PyTuple_Check(p)) {
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Py::Tuple tuple(arg);
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p2.SetX((double)Py::Float(tuple.getItem(0)));
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p2.SetY((double)Py::Float(tuple.getItem(1)));
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p2.SetZ((double)Py::Float(tuple.getItem(2)));
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}
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else {
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std::string error = std::string("type must be 'Vector' or tuple, not ");
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error += p->ob_type->tp_name;
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throw Py::TypeError(error);
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}
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try {
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// Create line out of two points
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if (p1.Distance(p2) < gp::Resolution())
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Standard_Failure::Raise("Both points are equal");
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GC_MakeSegment ms(p1, p2);
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if (!ms.IsDone()) {
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throw Py::RuntimeError(gce_ErrorStatusText(ms.Status()));
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}
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// get Geom_Line of line segment
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Handle(Geom_Line) this_line = Handle(Geom_Line)::DownCast
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(this_curv->BasisCurve());
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Handle(Geom_TrimmedCurve) that_curv = ms.Value();
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Handle(Geom_Line) that_line = Handle(Geom_Line)::DownCast(that_curv->BasisCurve());
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this_line->SetLin(that_line->Lin());
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this_curv->SetTrim(that_curv->FirstParameter(), that_curv->LastParameter());
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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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PyObject *LineSegmentPy::getCustomAttributes(const char* /*attr*/) const
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{
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return nullptr;
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}
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int LineSegmentPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
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{
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return 0;
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}
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