Path: added Path.Area and Path.FeatureArea
This commit is contained in:
Zheng, Lei
157
src/Mod/Path/App/FeatureArea.cpp
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157
src/Mod/Path/App/FeatureArea.cpp
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/****************************************************************************
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* Copyright (c) 2017 Zheng, Lei (realthunder) <realthunder.dev@gmail.com>*
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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 <BRep_Builder.hxx>
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#include <TopoDS_Compound.hxx>
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#include "FeatureArea.h"
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#include <App/DocumentObjectPy.h>
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#include <Base/Placement.h>
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#include <Mod/Part/App/PartFeature.h>
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using namespace Path;
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PROPERTY_SOURCE(Path::FeatureArea, Part::Feature)
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PARAM_ENUM_STRING_DECLARE(static const char *Enums,AREA_PARAMS_ALL)
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FeatureArea::FeatureArea()
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{
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ADD_PROPERTY(Sources,(0));
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ADD_PROPERTY(WorkPlane,(TopoDS_Shape()));
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PARAM_PROP_ADD("Area",AREA_PARAMS_OPCODE);
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PARAM_PROP_ADD("Area",AREA_PARAMS_BASE);
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PARAM_PROP_ADD("Offset",AREA_PARAMS_OFFSET);
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PARAM_PROP_ADD("Pocket",AREA_PARAMS_POCKET);
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PARAM_PROP_ADD("Offset Settings", AREA_PARAMS_OFFSET_CONF);
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PARAM_PROP_ADD("libarea Settings",AREA_PARAMS_CAREA);
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PARAM_PROP_SET_ENUM(Enums,AREA_PARAMS_ALL);
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PocketMode.setValue((long)0);
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}
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FeatureArea::~FeatureArea()
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{
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}
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App::DocumentObjectExecReturn *FeatureArea::execute(void)
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{
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std::vector<App::DocumentObject*> links = Sources.getValues();
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if (links.empty())
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return new App::DocumentObjectExecReturn("No shapes linked");
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for (std::vector<App::DocumentObject*>::iterator it = links.begin(); it != links.end(); ++it) {
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if (!(*it && (*it)->isDerivedFrom(Part::Feature::getClassTypeId())))
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return new App::DocumentObjectExecReturn("Linked object is not a Part object (has no Shape).");
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TopoDS_Shape shape = static_cast<Part::Feature*>(*it)->Shape.getShape().getShape();
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if (shape.IsNull())
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return new App::DocumentObjectExecReturn("Linked shape object is empty");
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}
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AreaParams params;
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#define AREA_PROP_GET(_param) \
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params.PARAM_FNAME(_param) = PARAM_FNAME(_param).getValue();
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PARAM_FOREACH(AREA_PROP_GET,AREA_PARAMS_CONF)
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Area area(¶ms);
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TopoDS_Shape workPlane = WorkPlane.getShape().getShape();
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if(!workPlane.IsNull())
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area.setPlane(workPlane);
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area.clean(true);
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for (std::vector<App::DocumentObject*>::iterator it = links.begin(); it != links.end(); ++it) {
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area.add(static_cast<Part::Feature*>(*it)->Shape.getShape().getShape(),
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PARAM_PROP_ARGS(AREA_PARAMS_OPCODE));
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}
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std::list<TopoDS_Shape> shapes;
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if(fabs(Offset.getValue())>Precision::Confusion())
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area.makeOffset(shapes,PARAM_PROP_ARGS(AREA_PARAMS_OFFSET));
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if(PocketMode.getValue()) {
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Area areaPocket(¶ms);
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if(shapes.empty())
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areaPocket.add(area.getShape());
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else{
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bool front = true;
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if(shapes.size()>1) {
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double step = Stepover.getValue();
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if(fabs(step)<Precision::Confusion())
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step = Offset.getValue();
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front = step>0;
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}
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areaPocket.add(front?shapes.front():shapes.back());
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}
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shapes.push_back(areaPocket.makePocket(PARAM_PROP_ARGS(AREA_PARAMS_POCKET)));
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}
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if(shapes.empty())
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this->Shape.setValue(area.getShape());
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else if(shapes.size()==1)
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this->Shape.setValue(shapes.front());
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else {
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BRep_Builder builder;
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TopoDS_Compound compound;
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builder.MakeCompound(compound);
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for(const TopoDS_Shape &s : shapes)
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builder.Add(compound,s);
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this->Shape.setValue(compound);
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}
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return Part::Feature::execute();
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}
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short FeatureArea::mustExecute(void) const
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{
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if (Sources.isTouched())
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return 1;
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if (WorkPlane.isTouched())
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return 1;
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PARAM_PROP_TOUCHED(AREA_PARAMS_ALL)
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return Part::Feature::mustExecute();
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}
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// Python Area feature ---------------------------------------------------------
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namespace App {
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/// @cond DOXERR
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PROPERTY_SOURCE_TEMPLATE(Path::FeatureAreaPython, Path::FeatureArea)
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template<> const char* Path::FeatureAreaPython::getViewProviderName(void) const {
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return "PathGui::ViewProviderArea";
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}
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/// @endcond
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// explicit template instantiation
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template class PathExport FeaturePythonT<Path::FeatureArea>;
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}
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