Files
create/src/Mod/PartDesign/App/FeatureMirrored.cpp
Uwe 07ddfc88de [PD] App: remove superfluous nullptr checks
- also Body: get rid of some nasty single-letter variables
2022-07-17 18:07:00 +02:00

139 lines
6.3 KiB
C++

/******************************************************************************
* Copyright (c) 2012 Jan Rheinländer <jrheinlaender@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 <BRepAdaptor_Surface.hxx>
# include <gp_Dir.hxx>
# include <gp_Pln.hxx>
# include <TopoDS.hxx>
# include <TopoDS_Face.hxx>
#endif
#include <App/OriginFeature.h>
#include <Mod/Part/App/TopoShape.h>
#include <Mod/Part/App/Part2DObject.h>
#include "FeatureMirrored.h"
#include "DatumPlane.h"
using namespace PartDesign;
namespace PartDesign {
PROPERTY_SOURCE(PartDesign::Mirrored, PartDesign::Transformed)
Mirrored::Mirrored()
{
ADD_PROPERTY_TYPE(MirrorPlane,(nullptr),"Mirrored",(App::PropertyType)(App::Prop_None),"Mirror plane");
}
short Mirrored::mustExecute() const
{
if (MirrorPlane.isTouched())
return 1;
return Transformed::mustExecute();
}
const std::list<gp_Trsf> Mirrored::getTransformations(const std::vector<App::DocumentObject*>)
{
App::DocumentObject* refObject = MirrorPlane.getValue();
if (!refObject)
throw Base::ValueError("No mirror plane reference specified");
std::vector<std::string> subStrings = MirrorPlane.getSubValues();
if (subStrings.empty())
throw Base::ValueError("No mirror plane reference specified");
gp_Pnt axbase;
gp_Dir axdir;
if (refObject->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
Part::Part2DObject* refSketch = static_cast<Part::Part2DObject*>(refObject);
Base::Axis axis;
if (subStrings[0] == "H_Axis")
axis = refSketch->getAxis(Part::Part2DObject::V_Axis);
else if (subStrings[0] == "V_Axis")
axis = refSketch->getAxis(Part::Part2DObject::H_Axis);
else if (subStrings[0] == "")
axis = refSketch->getAxis(Part::Part2DObject::N_Axis);
else if (subStrings[0].compare(0, 4, "Axis") == 0) {
int AxId = std::atoi(subStrings[0].substr(4,4000).c_str());
if (AxId >= 0 && AxId < refSketch->getAxisCount()) {
axis = refSketch->getAxis(AxId);
axis.setBase(axis.getBase() + 0.5 * axis.getDirection());
axis.setDirection(Base::Vector3d(-axis.getDirection().y, axis.getDirection().x, axis.getDirection().z));
}
}
axis *= refSketch->Placement.getValue();
axbase = gp_Pnt(axis.getBase().x, axis.getBase().y, axis.getBase().z);
axdir = gp_Dir(axis.getDirection().x, axis.getDirection().y, axis.getDirection().z);
} else if (refObject->getTypeId().isDerivedFrom(PartDesign::Plane::getClassTypeId())) {
PartDesign::Plane* plane = static_cast<PartDesign::Plane*>(refObject);
Base::Vector3d base = plane->getBasePoint();
axbase = gp_Pnt(base.x, base.y, base.z);
Base::Vector3d dir = plane->getNormal();
axdir = gp_Dir(dir.x, dir.y, dir.z);
} else if (refObject->getTypeId().isDerivedFrom(App::Plane::getClassTypeId())) {
App::Plane* plane = static_cast<App::Plane*>(refObject);
Base::Vector3d base = plane->Placement.getValue().getPosition();
axbase = gp_Pnt(base.x, base.y, base.z);
Base::Rotation rot = plane->Placement.getValue().getRotation();
Base::Vector3d dir(0,0,1);
rot.multVec(dir, dir);
axdir = gp_Dir(dir.x, dir.y, dir.z);
} else if (refObject->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
if (subStrings[0].empty())
throw Base::ValueError("No direction reference specified");
Part::TopoShape baseShape = static_cast<Part::Feature*>(refObject)->Shape.getShape();
// TODO: Check for multiple mirror planes?
TopoDS_Shape shape = baseShape.getSubShape(subStrings[0].c_str());
TopoDS_Face face = TopoDS::Face(shape);
if (face.IsNull())
throw Base::ValueError("Failed to extract mirror plane");
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() != GeomAbs_Plane)
throw Base::TypeError("Mirror face must be planar");
axbase = getPointFromFace(face);
axdir = adapt.Plane().Axis().Direction();
} else {
throw Base::ValueError("Mirror plane reference must be a sketch axis, a face of a feature or a datum plane");
}
TopLoc_Location invObjLoc = this->getLocation().Inverted();
axbase.Transform(invObjLoc.Transformation());
axdir.Transform(invObjLoc.Transformation());
gp_Ax2 mirrorAxis(axbase, axdir);
std::list<gp_Trsf> transformations;
gp_Trsf trans;
transformations.push_back(trans); // identity transformation
trans.SetMirror(mirrorAxis);
transformations.push_back(trans); // mirrored transformation
return transformations;
}
}