// SPDX-License-Identifier: LGPL-2.1-or-later /*************************************************************************** * Copyright (c) 2016 Werner Mayer * * * * 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 #include #include #include #include "Geom2d/Line2dPy.h" #include "Geom2d/Line2dPy.cpp" #include "OCCError.h" using namespace Part; extern const char* gce_ErrorStatusText(gce_ErrorType et); // returns a string which represents the object e.g. when printed in python std::string Line2dPy::representation() const { return ""; } PyObject* Line2dPy::PyMake(struct _typeobject*, PyObject*, PyObject*) // Python wrapper { // create a new instance of Line2dPy and the Twin object return new Line2dPy(new Geom2dLine); } // constructor method int Line2dPy::PyInit(PyObject* args, PyObject* /*kwd*/) { if (PyArg_ParseTuple(args, "")) { // default line return 0; } PyErr_Clear(); PyObject* pLine; if (PyArg_ParseTuple(args, "O!", &(Line2dPy::Type), &pLine)) { // Copy line Line2dPy* pcLine = static_cast(pLine); // get Geom_Line of line Handle(Geom2d_Line) that_line = Handle(Geom2d_Line)::DownCast( pcLine->getGeom2dLinePtr()->handle() ); // get Geom_Line of line Handle(Geom2d_Line) this_line = Handle(Geom2d_Line)::DownCast( this->getGeom2dLinePtr()->handle() ); // Assign the lines this_line->SetLin2d(that_line->Lin2d()); return 0; } PyErr_Clear(); PyObject *pV1, *pV2; if (PyArg_ParseTuple( args, "O!O!", Base::Vector2dPy::type_object(), &pV1, Base::Vector2dPy::type_object(), &pV2 )) { Base::Vector2d v1 = Py::toVector2d(pV1); Base::Vector2d v2 = Py::toVector2d(pV2); try { // Create line out of two points double distance = (v1 - v2).Length(); if (distance < gp::Resolution()) { Standard_Failure::Raise("Both points are equal"); } GCE2d_MakeLine ms(gp_Pnt2d(v1.x, v1.y), gp_Pnt2d(v2.x, v2.y)); if (!ms.IsDone()) { PyErr_SetString(PartExceptionOCCError, gce_ErrorStatusText(ms.Status())); return -1; } // get Geom_Line of line Handle(Geom2d_Line) this_line = Handle(Geom2d_Line)::DownCast( this->getGeom2dLinePtr()->handle() ); Handle(Geom2d_Line) that_line = ms.Value(); this_line->SetLin2d(that_line->Lin2d()); return 0; } catch (Standard_Failure& e) { PyErr_SetString(PartExceptionOCCError, e.GetMessageString()); return -1; } catch (...) { PyErr_SetString(PartExceptionOCCError, "creation of line failed"); return -1; } } PyErr_SetString( PyExc_TypeError, "Line constructor accepts:\n" "-- empty parameter list\n" "-- Line\n" "-- Point, Point" ); return -1; } Py::Object Line2dPy::getLocation() const { Handle(Geom2d_Line) this_curve = Handle(Geom2d_Line)::DownCast(this->getGeom2dLinePtr()->handle()); gp_Pnt2d pnt = this_curve->Location(); return Base::Vector2dPy::create(pnt.X(), pnt.Y()); } void Line2dPy::setLocation(Py::Object arg) { gp_Pnt2d pnt; gp_Dir2d dir; Handle(Geom2d_Line) this_line = Handle(Geom2d_Line)::DownCast(this->getGeom2dLinePtr()->handle()); dir = this_line->Direction(); PyObject* p = arg.ptr(); if (PyObject_TypeCheck(p, Base::Vector2dPy::type_object())) { Base::Vector2d v = Py::toVector2d(p); pnt.SetX(v.x); pnt.SetY(v.y); } else if (PyTuple_Check(p)) { Py::Tuple tuple(arg); pnt.SetX((double)Py::Float(tuple.getItem(0))); pnt.SetY((double)Py::Float(tuple.getItem(1))); } else { std::string error = std::string("type must be 'Vector2d' or tuple, not "); error += p->ob_type->tp_name; throw Py::TypeError(error); } try { GCE2d_MakeLine ms(pnt, dir); if (!ms.IsDone()) { throw Py::RuntimeError(gce_ErrorStatusText(ms.Status())); } // get Geom_Line of line Handle(Geom2d_Line) that_line = ms.Value(); this_line->SetLin2d(that_line->Lin2d()); } catch (Standard_Failure& e) { throw Py::RuntimeError(e.GetMessageString()); } } Py::Object Line2dPy::getDirection() const { Handle(Geom2d_Line) this_curve = Handle(Geom2d_Line)::DownCast(this->getGeom2dLinePtr()->handle()); gp_Dir2d dir = this_curve->Direction(); return Base::Vector2dPy::create(dir.X(), dir.Y()); } void Line2dPy::setDirection(Py::Object arg) { gp_Pnt2d pnt; gp_Dir2d dir; Handle(Geom2d_Line) this_line = Handle(Geom2d_Line)::DownCast(this->getGeom2dLinePtr()->handle()); pnt = this_line->Location(); PyObject* p = arg.ptr(); if (PyObject_TypeCheck(p, Base::Vector2dPy::type_object())) { Base::Vector2d v = Py::toVector2d(p); dir = gp_Dir2d(v.x, v.y); } else if (PyTuple_Check(p)) { Py::Tuple tuple(arg); double x = (double)Py::Float(tuple.getItem(0)); double y = (double)Py::Float(tuple.getItem(1)); dir = gp_Dir2d(x, y); } else { std::string error = std::string("type must be 'Vector2d' or tuple, not "); error += p->ob_type->tp_name; throw Py::TypeError(error); } try { GCE2d_MakeLine ms(pnt, dir); if (!ms.IsDone()) { throw Py::RuntimeError(gce_ErrorStatusText(ms.Status())); } // get Geom_Line of line Handle(Geom2d_Line) that_line = ms.Value(); this_line->SetLin2d(that_line->Lin2d()); } catch (Standard_Failure& e) { throw Py::RuntimeError(e.GetMessageString()); } } PyObject* Line2dPy::getCustomAttributes(const char* /*attr*/) const { return nullptr; } int Line2dPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/) { return 0; }