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create/src/Mod/Part/App/FeatureCompound.cpp

133 lines
4.5 KiB
C++

/***************************************************************************
* Copyright (c) 2013 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 *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <BRep_Builder.hxx>
# include <Standard_Failure.hxx>
# include <TopoDS_Compound.hxx>
# include <TopExp.hxx>
# include <TopTools_IndexedMapOfShape.hxx>
#endif
#include "FeatureCompound.h"
using namespace Part;
PROPERTY_SOURCE(Part::Compound, Part::Feature)
Compound::Compound()
{
ADD_PROPERTY(Links,(nullptr));
Links.setSize(0);
}
Compound::~Compound() = default;
short Compound::mustExecute() const
{
if (Links.isTouched())
return 1;
return 0;
}
App::DocumentObjectExecReturn *Compound::execute()
{
try {
// avoid duplicates without changing the order
// See also ViewProviderCompound::updateData
std::set<DocumentObject*> tempLinks;
#ifndef FC_USE_TNP_FIX
std::vector<ShapeHistory> history;
int countFaces = 0;
BRep_Builder builder;
TopoDS_Compound comp;
builder.MakeCompound(comp);
const std::vector<DocumentObject*>& links = Links.getValues();
for (auto link : links) {
if (link) {
auto pos = tempLinks.insert(link);
if (pos.second) {
const TopoDS_Shape& sh = Feature::getShape(link);
if (!sh.IsNull()) {
builder.Add(comp, sh);
TopTools_IndexedMapOfShape faceMap;
TopExp::MapShapes(sh, TopAbs_FACE, faceMap);
ShapeHistory hist;
hist.type = TopAbs_FACE;
for (int i=1; i<=faceMap.Extent(); i++) {
hist.shapeMap[i-1].push_back(countFaces++);
}
history.push_back(hist);
}
}
}
}
this->Shape.setValue(comp);
// make sure the 'PropertyShapeHistory' is not safed in undo/redo (#0001889)
PropertyShapeHistory prop;
prop.setValues(history);
prop.setContainer(this);
prop.touch();
return App::DocumentObject::StdReturn;
#else
std::vector<TopoShape> shapes;
for (auto obj : Links.getValues()) {
if (!tempLinks.insert(obj).second) {
continue;
}
auto sh = Feature::getTopoShape(obj);
if (!sh.isNull()) {
shapes.push_back(sh);
}
}
this->Shape.setValue(TopoShape().makeElementCompound(shapes));
return Part::Feature::execute();
#endif
}
catch (Standard_Failure& e) {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
}
////////////////////////////////////////////////////////////////////////
PROPERTY_SOURCE(Part::Compound2, Part::Compound)
Compound2::Compound2() {
Shape.setStatus(App::Property::Transient,true);
}
void Compound2::onDocumentRestored() {
Base::Placement pla = Placement.getValue();
auto res = execute();
delete res;
Placement.setValue(pla);
}