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