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create/src/Mod/PartDesign/App/FeatureThickness.cpp

112 lines
4.6 KiB
C++

/***************************************************************************
* Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.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 <Precision.hxx>
# include <TopoDS.hxx>
#endif
#include <Base/Exception.h>
#include "FeatureThickness.h"
using namespace PartDesign;
const char *PartDesign::Thickness::ModeEnums[] = {"Skin", "Pipe", "RectoVerso", nullptr};
const char *PartDesign::Thickness::JoinEnums[] = {"Arc", "Intersection", nullptr};
PROPERTY_SOURCE(PartDesign::Thickness, PartDesign::DressUp)
Thickness::Thickness()
{
ADD_PROPERTY_TYPE(Value, (1.0), "Thickness", App::Prop_None, "Thickness value");
ADD_PROPERTY_TYPE(Mode, (long(0)), "Thickness", App::Prop_None, "Mode");
Mode.setEnums(ModeEnums);
ADD_PROPERTY_TYPE(Join, (long(0)), "Thickness", App::Prop_None, "Join type");
Join.setEnums(JoinEnums);
ADD_PROPERTY_TYPE(Reversed, (false), "Thickness", App::Prop_None,
"Apply the thickness towards the solids interior");
ADD_PROPERTY_TYPE(Intersection, (false), "Thickness", App::Prop_None,
"Enable intersection-handling");
}
short Thickness::mustExecute() const
{
if (Placement.isTouched() ||
Value.isTouched() ||
Mode.isTouched() ||
Join.isTouched())
return 1;
return DressUp::mustExecute();
}
App::DocumentObjectExecReturn *Thickness::execute()
{
// Base shape
Part::TopoShape TopShape;
try {
TopShape = getBaseShape();
}
catch (Base::Exception &e) {
return new App::DocumentObjectExecReturn(e.what());
}
const std::vector<std::string>& subStrings = Base.getSubValues();
//If no element is selected, then we use a copy of previous feature.
if (subStrings.empty()) {
//We must set the placement of the feature in case it's empty.
this->positionByBaseFeature();
this->Shape.setValue(TopShape);
return App::DocumentObject::StdReturn;
}
/* If the feature was empty at some point, then Placement was set by positionByBaseFeature.
* However makeThickSolid apparently requires the placement to be empty, so we have to clear it*/
this->Placement.setValue(Base::Placement());
TopTools_ListOfShape closingFaces;
for (std::vector<std::string>::const_iterator it = subStrings.begin(); it != subStrings.end(); ++it) {
TopoDS_Face face = TopoDS::Face(TopShape.getSubShape(it->c_str()));
closingFaces.Append(face);
}
bool reversed = Reversed.getValue();
bool intersection = Intersection.getValue();
double thickness = (reversed ? -1. : 1. )*Value.getValue();
double tol = Precision::Confusion();
short mode = (short)Mode.getValue();
short join = (short)Join.getValue();
//we do not offer tangent join type
if(join == 1)
join = 2;
if (fabs(thickness) > 2*tol)
this->Shape.setValue(getSolid(TopShape.makeThickSolid(closingFaces, thickness, tol, intersection, false, mode, join)));
else
this->Shape.setValue(getSolid(TopShape.getShape()));
return App::DocumentObject::StdReturn;
}