167 lines
6.3 KiB
C++
167 lines
6.3 KiB
C++
/******************************************************************************
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* Copyright (c)2013 Jan Rheinlaender <jrheinlaender@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 <BRepAlgoAPI_Fuse.hxx>
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# include <BRepAlgoAPI_Cut.hxx>
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# include <BRepAlgoAPI_Common.hxx>
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# include <gp_Trsf.hxx>
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# include <gp_Pnt.hxx>
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# include <gp_Dir.hxx>
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# include <gp_Vec.hxx>
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# include <gp_Ax1.hxx>
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#endif
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#include "Body.h"
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#include "FeatureBoolean.h"
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <App/Document.h>
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using namespace PartDesign;
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namespace PartDesign {
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PROPERTY_SOURCE_WITH_EXTENSIONS(PartDesign::Boolean, PartDesign::Feature)
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const char* Boolean::TypeEnums[]= {"Fuse","Cut","Common",NULL};
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Boolean::Boolean()
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{
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ADD_PROPERTY(Type,((long)0));
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Type.setEnums(TypeEnums);
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initExtension(this);
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}
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short Boolean::mustExecute() const
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{
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if (Group.isTouched())
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return 1;
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return PartDesign::Feature::mustExecute();
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}
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App::DocumentObjectExecReturn *Boolean::execute(void)
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{
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// Get the operation type
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std::string type = Type.getValueAsString();
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// Check the parameters
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const Part::Feature* baseFeature = this->getBaseObject(/* silent = */ true);
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if (!baseFeature && type == "Cut") {
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return new App::DocumentObjectExecReturn("Cannot do boolean cut without BaseFeature");
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}
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std::vector<App::DocumentObject*> tools = Group.getValues();
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if (tools.empty())
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return App::DocumentObject::StdReturn;
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// Get the base shape to operate on
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Part::TopoShape baseTopShape;
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if(baseFeature)
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baseTopShape = baseFeature->Shape.getShape();
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else {
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auto feature = tools.back();
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if(!feature->isDerivedFrom(Part::Feature::getClassTypeId()))
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return new App::DocumentObjectExecReturn("Cannot do boolean with anything but Part::Feature and its derivatives");
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baseTopShape = static_cast<Part::Feature*>(feature)->Shape.getShape();
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tools.pop_back();
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}
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if (baseTopShape.getShape().IsNull())
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return new App::DocumentObjectExecReturn("Cannot do boolean operation with invalid base shape");
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//get the body this boolean feature belongs to
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Part::BodyBase* baseBody = Part::BodyBase::findBodyOf(this);
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if(!baseBody)
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return new App::DocumentObjectExecReturn("Cannot do boolean on feature which is not in a body");
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TopoDS_Shape result = baseTopShape.getShape();
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for (auto tool : tools)
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{
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if(!tool->isDerivedFrom(Part::Feature::getClassTypeId()))
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return new App::DocumentObjectExecReturn("Cannot do boolean with anything but Part::Feature and its derivatives");
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TopoDS_Shape shape = static_cast<Part::Feature*>(tool)->Shape.getValue();
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TopoDS_Shape boolOp;
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// Must not pass null shapes to the boolean operations
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if (result.IsNull())
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return new App::DocumentObjectExecReturn("Base shape is null");
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if (shape.IsNull())
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return new App::DocumentObjectExecReturn("Tool shape is null");
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if (type == "Fuse") {
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BRepAlgoAPI_Fuse mkFuse(result, shape);
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if (!mkFuse.IsDone())
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return new App::DocumentObjectExecReturn("Fusion of tools failed");
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// we have to get the solids (fuse sometimes creates compounds)
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boolOp = this->getSolid(mkFuse.Shape());
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// lets check if the result is a solid
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if (boolOp.IsNull())
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return new App::DocumentObjectExecReturn("Resulting shape is not a solid");
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} else if (type == "Cut") {
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BRepAlgoAPI_Cut mkCut(result, shape);
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if (!mkCut.IsDone())
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return new App::DocumentObjectExecReturn("Cut out failed");
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boolOp = mkCut.Shape();
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} else if (type == "Common") {
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BRepAlgoAPI_Common mkCommon(result, shape);
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if (!mkCommon.IsDone())
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return new App::DocumentObjectExecReturn("Common operation failed");
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boolOp = mkCommon.Shape();
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}
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result = boolOp; // Use result of this operation for fuse/cut of next body
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}
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this->Shape.setValue(getSolid(result));
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return App::DocumentObject::StdReturn;
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}
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void Boolean::onChanged(const App::Property* prop) {
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if(strcmp(prop->getName(), "Group") == 0)
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touch();
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PartDesign::Feature::onChanged(prop);
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}
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void Boolean::handleChangedPropertyName(Base::XMLReader &reader, const char * TypeName, const char *PropName)
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{
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// The App::PropertyLinkList property was Bodies in the past
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Base::Type type = Base::Type::fromName(TypeName);
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if (Group.getClassTypeId() == type && strcmp(PropName, "Bodies") == 0) {
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Group.Restore(reader);
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}
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}
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}
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