Files
create/src/Mod/Part/App/FeaturePartBoolean.cpp
2016-09-22 13:01:20 +02:00

121 lines
4.9 KiB
C++

/***************************************************************************
* Copyright (c) 2007 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 <BRepAlgoAPI_BooleanOperation.hxx>
# include <BRepCheck_Analyzer.hxx>
# include <memory>
#endif
#include "FeaturePartBoolean.h"
#include "modelRefine.h"
#include <App/Application.h>
#include <Base/Parameter.h>
using namespace Part;
PROPERTY_SOURCE_ABSTRACT(Part::Boolean, Part::Feature)
Boolean::Boolean(void)
{
ADD_PROPERTY(Base,(0));
ADD_PROPERTY(Tool,(0));
ADD_PROPERTY_TYPE(History,(ShapeHistory()), "Boolean", (App::PropertyType)
(App::Prop_Output|App::Prop_Transient|App::Prop_Hidden), "Shape history");
History.setSize(0);
}
short Boolean::mustExecute() const
{
if (Base.getValue() && Tool.getValue()) {
if (Base.isTouched())
return 1;
if (Tool.isTouched())
return 1;
}
return 0;
}
App::DocumentObjectExecReturn *Boolean::execute(void)
{
try {
#if defined(__GNUC__) && defined (FC_OS_LINUX)
Base::SignalException se;
#endif
Part::Feature *base = dynamic_cast<Part::Feature*>(Base.getValue());
Part::Feature *tool = dynamic_cast<Part::Feature*>(Tool.getValue());
if (!base || !tool)
return new App::DocumentObjectExecReturn("Linked object is not a Part object");
// Now, let's get the TopoDS_Shape
TopoDS_Shape BaseShape = base->Shape.getValue();
if (BaseShape.IsNull())
throw Base::Exception("Base shape is null");
TopoDS_Shape ToolShape = tool->Shape.getValue();
if (ToolShape.IsNull())
throw Base::Exception("Tool shape is null");
std::unique_ptr<BRepAlgoAPI_BooleanOperation> mkBool(makeOperation(BaseShape, ToolShape));
if (!mkBool->IsDone()) {
return new App::DocumentObjectExecReturn("Boolean operation failed");
}
TopoDS_Shape resShape = mkBool->Shape();
if (resShape.IsNull()) {
return new App::DocumentObjectExecReturn("Resulting shape is null");
}
Base::Reference<ParameterGrp> hGrp = App::GetApplication().GetUserParameter()
.GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("Mod/Part/Boolean");
if (hGrp->GetBool("CheckModel", false)) {
BRepCheck_Analyzer aChecker(resShape);
if (! aChecker.IsValid() ) {
return new App::DocumentObjectExecReturn("Resulting shape is invalid");
}
}
std::vector<ShapeHistory> history;
history.push_back(buildHistory(*mkBool.get(), TopAbs_FACE, resShape, BaseShape));
history.push_back(buildHistory(*mkBool.get(), TopAbs_FACE, resShape, ToolShape));
if (hGrp->GetBool("RefineModel", false)) {
TopoDS_Shape oldShape = resShape;
BRepBuilderAPI_RefineModel mkRefine(oldShape);
resShape = mkRefine.Shape();
ShapeHistory hist = buildHistory(mkRefine, TopAbs_FACE, resShape, oldShape);
history[0] = joinHistory(history[0], hist);
history[1] = joinHistory(history[1], hist);
}
this->Shape.setValue(resShape);
this->History.setValues(history);
return App::DocumentObject::StdReturn;
}
catch (...) {
return new App::DocumentObjectExecReturn("A fatal error occurred when running boolean operation");
}
}