FreeCAD/src/Mod/PartDesign/App/Feature.cpp

78 lines
2.8 KiB
C++

/***************************************************************************
* Copyright (c) 2011 Juergen Riegel <FreeCAD@juergen-riegel.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 <Standard_Failure.hxx>
# include <TopoDS_Solid.hxx>
# include <TopExp_Explorer.hxx>
# include <TopoDS.hxx>
# include <BRep_Tool.hxx>
# include <gp_Pnt.hxx>
#endif
#include <Base/Exception.h>
#include "Feature.h"
namespace PartDesign {
PROPERTY_SOURCE(PartDesign::Feature,Part::Feature)
Feature::Feature()
{
}
TopoDS_Shape Feature::getSolid(const TopoDS_Shape& shape)
{
if (shape.IsNull())
Standard_Failure::Raise("Shape is null");
TopExp_Explorer xp;
xp.Init(shape,TopAbs_SOLID);
for (;xp.More(); xp.Next()) {
return xp.Current();
}
return TopoDS_Shape();
}
const gp_Pnt Feature::getPointFromFace(const TopoDS_Face& f)
{
if (!f.Infinite()) {
TopExp_Explorer exp;
exp.Init(f, TopAbs_VERTEX);
if (exp.More())
return BRep_Tool::Pnt(TopoDS::Vertex(exp.Current()));
// Else try the other method
}
// TODO: Other method, e.g. intersect X,Y,Z axis with the (unlimited?) face?
// Or get a "corner" point if the face is limited?
throw Base::Exception("getPointFromFace(): Not implemented yet for this case");
}
}