| // SPDX-License-Identifier: LGPL-2.1-or-later | |
| /*************************************************************************** | |
| * Copyright (c) 2004 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 * | |
| * * | |
| ***************************************************************************/ | |
| using namespace Mesh; | |
| //=========================================================================== | |
| // Feature | |
| //=========================================================================== | |
| PROPERTY_SOURCE(Mesh::Feature, App::GeoFeature) | |
| Feature::Feature() | |
| { | |
| ADD_PROPERTY_TYPE(Mesh, (MeshObject()), 0, App::Prop_Output, "The mesh kernel"); | |
| } | |
| App::DocumentObjectExecReturn* Feature::execute() | |
| { | |
| this->Mesh.touch(); | |
| return App::DocumentObject::StdReturn; | |
| } | |
| PyObject* Feature::getPyObject() | |
| { | |
| if (PythonObject.is(Py::_None())) { | |
| // ref counter is set to 1 | |
| PythonObject = Py::Object(new MeshFeaturePy(this), true); | |
| } | |
| return Py::new_reference_to(PythonObject); | |
| } | |
| void Feature::onChanged(const App::Property* prop) | |
| { | |
| // if the placement has changed apply the change to the mesh data as well | |
| if (prop == &this->Placement) { | |
| this->Mesh.setTransform(this->Placement.getValue().toMatrix()); | |
| } | |
| // if the mesh data has changed check and adjust the transformation as well | |
| else if (prop == &this->Mesh) { | |
| try { | |
| Base::Placement p; | |
| p.fromMatrix(this->Mesh.getTransform()); | |
| if (p != this->Placement.getValue()) { | |
| this->Placement.setValue(p); | |
| } | |
| } | |
| catch (const Base::ValueError&) { | |
| } | |
| } | |
| // Note: If the Mesh property has changed the property and this object are marked as 'touched' | |
| // but no recomputation of this objects needs to be done because the Mesh property is regarded | |
| // as output of a previous recomputation The mustExecute() method returns 0 in that case. | |
| // However, objects that reference this object the Mesh property can be an input parameter. | |
| // As this object and the property are touched such objects can check this and return a value 1 | |
| // (or -1) in their mustExecute() to be recomputed the next time the document recomputes itself. | |
| DocumentObject::onChanged(prop); | |
| } | |
| // --------------------------------------------------------- | |
| namespace App | |
| { | |
| /// @cond DOXERR | |
| PROPERTY_SOURCE_TEMPLATE(Mesh::FeatureCustom, Mesh::Feature) | |
| /// @endcond | |
| // explicit template instantiation | |
| template class MeshExport FeatureCustomT<Mesh::Feature>; | |
| } // namespace App | |
| // --------------------------------------------------------- | |
| namespace App | |
| { | |
| /// @cond DOXERR | |
| PROPERTY_SOURCE_TEMPLATE(Mesh::FeaturePython, Mesh::Feature) | |
| template<> | |
| const char* Mesh::FeaturePython::getViewProviderName() const | |
| { | |
| return "MeshGui::ViewProviderPython"; | |
| } | |
| template<> | |
| PyObject* Mesh::FeaturePython::getPyObject() | |
| { | |
| if (PythonObject.is(Py::_None())) { | |
| // ref counter is set to 1 | |
| PythonObject = Py::Object(new FeaturePythonPyT<Mesh::MeshFeaturePy>(this), true); | |
| } | |
| return Py::new_reference_to(PythonObject); | |
| } | |
| /// @endcond | |
| // explicit template instantiation | |
| template class MeshExport FeaturePythonT<Mesh::Feature>; | |
| } // namespace App | |