FreeCAD/src/Mod/Part/App/FeatureMirroring.cpp

105 lines
4.0 KiB
C++

/***************************************************************************
* Copyright (c) 2010 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 <gp.hxx>
# include <gp_Ax2.hxx>
# include <gp_Dir.hxx>
# include <gp_Pnt.hxx>
# include <gp_Trsf.hxx>
# include <BRepBuilderAPI_Transform.hxx>
#endif
#include "FeatureMirroring.h"
using namespace Part;
PROPERTY_SOURCE(Part::Mirroring, Part::Feature)
Mirroring::Mirroring()
{
ADD_PROPERTY(Source,(0));
ADD_PROPERTY_TYPE(Base,(Base::Vector3d()),"Plane",App::Prop_None,"The base point of the plane");
ADD_PROPERTY_TYPE(Normal,(Base::Vector3d(0,0,1)),"Plane",App::Prop_None,"The normal of the plane");
}
short Mirroring::mustExecute() const
{
if (Source.isTouched())
return 1;
if (Base.isTouched())
return 1;
if (Normal.isTouched())
return 1;
return 0;
}
void Mirroring::onChanged(const App::Property* prop)
{
if (!isRestoring()) {
if (prop == &Base || prop == &Normal) {
try {
App::DocumentObjectExecReturn *ret = recompute();
delete ret;
}
catch (...) {
}
}
}
Part::Feature::onChanged(prop);
}
App::DocumentObjectExecReturn *Mirroring::execute(void)
{
App::DocumentObject* link = Source.getValue();
if (!link)
return new App::DocumentObjectExecReturn("No object linked");
if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
return new App::DocumentObjectExecReturn("Linked object is not a Part object");
Part::Feature *source = static_cast<Part::Feature*>(link);
Base::Vector3d base = Base.getValue();
Base::Vector3d norm = Normal.getValue();
try {
const TopoDS_Shape& shape = source->Shape.getValue();
if (shape.IsNull())
Standard_Failure::Raise("Cannot mirroR empty shape");
gp_Ax2 ax2(gp_Pnt(base.x,base.y,base.z), gp_Dir(norm.x,norm.y,norm.z));
gp_Trsf mat;
mat.SetMirror(ax2);
TopLoc_Location loc = shape.Location();
gp_Trsf placement = loc.Transformation();
mat = placement * mat;
BRepBuilderAPI_Transform mkTrf(shape, mat);
this->Shape.setValue(mkTrf.Shape());
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure) {
Handle_Standard_Failure e = Standard_Failure::Caught();
return new App::DocumentObjectExecReturn(e->GetMessageString());
}
}