121 lines
5.0 KiB
C++
121 lines
5.0 KiB
C++
/******************************************************************************
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* Copyright (c)2012 Jan Rheinlaender <jrheinlaender@users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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******************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <TopoDS.hxx>
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# include <TopoDS_Face.hxx>
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# include <gp_Pln.hxx>
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# include <gp_Dir.hxx>
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# include <BRepAdaptor_Surface.hxx>
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#endif
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#include "FeatureMirrored.h"
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#include <Mod/Part/App/TopoShape.h>
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using namespace PartDesign;
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namespace PartDesign {
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PROPERTY_SOURCE(PartDesign::Mirrored, PartDesign::Transformed)
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Mirrored::Mirrored()
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{
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ADD_PROPERTY_TYPE(MirrorPlane,(0),"Mirrored",(App::PropertyType)(App::Prop_None),"Mirror plane");
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ADD_PROPERTY(StdMirrorPlane,(""));
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}
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short Mirrored::mustExecute() const
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{
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if (MirrorPlane.isTouched() ||
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StdMirrorPlane.isTouched())
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return 1;
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return Transformed::mustExecute();
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}
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const std::list<gp_Trsf> Mirrored::getTransformations(const std::vector<App::DocumentObject*>)
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{
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App::DocumentObject* ref = MirrorPlane.getValue();
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std::vector<std::string> subStrings = MirrorPlane.getSubValues();
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std::string stdPlane = StdMirrorPlane.getValue();
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gp_Pnt p;
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gp_Dir d;
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if (!stdPlane.empty()) {
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p = gp_Pnt(0,0,0);
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if (stdPlane == "XY") {
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d = gp_Dir(0,0,1);
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} else if (stdPlane == "XZ") {
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d = gp_Dir(0,1,0);
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} else if(stdPlane == "YZ") {
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d = gp_Dir(1,0,0);
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} else {
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throw Base::Exception("Invalid mirror plane (must be XY, XZ or YZ)");
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}
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} else {
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if (ref == NULL)
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throw Base::Exception("No mirror plane selected");
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if (!ref->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
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throw Base::Exception("Mirror plane must be face of a feature");
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Part::TopoShape baseShape = static_cast<Part::Feature*>(ref)->Shape.getShape();
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if (subStrings.empty() || subStrings[0].empty())
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throw Base::Exception("No mirror plane defined");
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// TODO: Check for multiple mirror planes?
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TopoDS_Face face = TopoDS::Face(baseShape.getSubShape(subStrings[0].c_str()));
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if (face.IsNull())
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throw Base::Exception("Failed to extract mirror plane");
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BRepAdaptor_Surface adapt(face);
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if (adapt.GetType() != GeomAbs_Plane)
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throw Base::Exception("Mirror face must be planar");
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p = getPointFromFace(face);
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d = adapt.Plane().Axis().Direction();
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TopLoc_Location invObjLoc = this->getLocation().Inverted();
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p.Transform(invObjLoc.Transformation());
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d.Transform(invObjLoc.Transformation());
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}
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// get the support placement
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// TODO: Check for NULL pointer
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/*Part::Feature* supportFeature = static_cast<Part::Feature*>(originals.front());
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if (supportFeature == NULL)
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throw Base::Exception("Cannot work on invalid support shape");
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Base::Placement supportPlacement = supportFeature->Placement.getValue();
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ax *= supportPlacement;
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gp_Ax2 mirrorAxis(gp_Pnt(ax.getBase().x, ax.getBase().y, ax.getBase().z), gp_Dir(ax.getDirection().x, ax.getDirection().y, ax.getDirection().z));*/
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gp_Ax2 mirrorAxis(p, d);
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std::list<gp_Trsf> transformations;
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gp_Trsf trans;
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transformations.push_back(trans); // identity transformation
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trans.SetMirror(mirrorAxis);
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transformations.push_back(trans); // mirrored transformation
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return transformations;
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}
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}
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