380 lines
16 KiB
C++
380 lines
16 KiB
C++
/***************************************************************************
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* Copyright (c) 2021 Abdullah Tahiri <abdullah.tahiri.yo@gmail.com> *
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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 <cassert>
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#endif // #ifndef _PreComp_
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#include <Base/Exception.h>
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#include <Base/Vector3D.h>
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#include "GeoList.h"
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#include "GeometryFacade.h"
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using namespace Sketcher;
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// Vector is moved
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template <typename T>
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GeoListModel<T>::GeoListModel( std::vector<T> && geometrylist,
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int intgeocount,
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bool ownerT): geomlist(std::move(geometrylist)),
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intGeoCount(intgeocount),
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OwnerT(ownerT),
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indexInit(false)
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{
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}
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// Vector is shallow copied (copy constructed)
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template <typename T>
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GeoListModel<T>::GeoListModel( const std::vector<T> & geometrylist,
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int intgeocount): geomlist(geometrylist), // copy constructed here
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intGeoCount(intgeocount),
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OwnerT(false),
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indexInit(false)
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{
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}
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template <typename T>
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GeoListModel<T>::~GeoListModel()
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{
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if(OwnerT) {
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for(auto & g : geomlist)
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delete g;
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}
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}
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template <typename T>
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GeoListModel<T> GeoListModel<T>::getGeoListModel(std::vector<T> && geometrylist, int intgeocount, bool ownerT)
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{
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return GeoListModel(std::move(geometrylist), intgeocount, ownerT);
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}
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template <typename T>
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const GeoListModel<T> GeoListModel<T>::getGeoListModel(const std::vector<T> &geometrylist, int intgeocount)
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{
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return GeoListModel(geometrylist, intgeocount);
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}
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template <typename T>
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int GeoListModel<T>::getGeoIdFromGeomListIndex(int index) const
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{
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assert(index < int(geomlist.size()));
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if(index < intGeoCount)
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return index;
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else
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return ( index - geomlist.size());
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}
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template <typename T>
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const Part::Geometry * GeoListModel<T>::getGeometryFromGeoId(const std::vector<T> & geometrylist, int geoId)
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{
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if constexpr (std::is_same<T,GeometryPtr>()) {
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if (geoId >= 0)
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return geometrylist[geoId];
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else
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return geometrylist[geometrylist.size()+geoId];
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}
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else if constexpr (std::is_same<T,GeometryFacadeUniquePtr>()) {
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if (geoId >= 0)
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return geometrylist[geoId]->getGeometry();
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else
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return geometrylist[geometrylist.size()+geoId]->getGeometry();
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}
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}
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template <typename T>
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const Sketcher::GeometryFacade * GeoListModel<T>::getGeometryFacadeFromGeoId(const std::vector<T> & geometrylist, int geoId)
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{
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if constexpr (std::is_same<T,GeometryPtr>()) {
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if (geoId >= 0)
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return GeometryFacade::getFacade(geometrylist[geoId]).release();
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else
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return GeometryFacade::getFacade(geometrylist[geometrylist.size()+geoId]).release();
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}
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else if constexpr (std::is_same<T,GeometryFacadeUniquePtr>()) {
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if (geoId >= 0)
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return geometrylist[geoId].get();
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else
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return geometrylist[geometrylist.size()+geoId].get();
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}
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}
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// this function is used to simulate cyclic periodic negative geometry indices (for external geometry)
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template <typename T>
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const Part::Geometry * GeoListModel<T>::getGeometryFromGeoId(int geoId) const
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{
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return GeoListModel<T>::getGeometryFromGeoId(geomlist, geoId);
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}
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template <typename T>
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const Sketcher::GeometryFacade * GeoListModel<T>::getGeometryFacadeFromGeoId(int geoId) const
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{
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return GeoListModel<T>::getGeometryFacadeFromGeoId(geomlist, geoId);
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}
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template <typename T>
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Base::Vector3d GeoListModel<T>::getPoint(int geoId, Sketcher::PointPos pos) const
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{
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const Part::Geometry * geo = getGeometryFromGeoId(geoId);
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return getPoint(geo, pos);
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}
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template <typename T>
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Base::Vector3d GeoListModel<T>::getPoint(const GeoElementId & geid) const
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{
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return getPoint(geid.GeoId, geid.Pos);
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}
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template <typename T>
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Base::Vector3d GeoListModel<T>::getPoint(const Part::Geometry * geo, Sketcher::PointPos pos) const
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{
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using namespace Sketcher;
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if (geo->getTypeId() == Part::GeomPoint::getClassTypeId()) {
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const Part::GeomPoint *p = static_cast<const Part::GeomPoint*>(geo);
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if (pos == PointPos::start || pos == PointPos::mid || pos == PointPos::end)
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return p->getPoint();
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} else if (geo->getTypeId() == Part::GeomLineSegment::getClassTypeId()) {
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const Part::GeomLineSegment *lineSeg = static_cast<const Part::GeomLineSegment*>(geo);
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if (pos == PointPos::start)
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return lineSeg->getStartPoint();
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else if (pos == PointPos::end)
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return lineSeg->getEndPoint();
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} else if (geo->getTypeId() == Part::GeomCircle::getClassTypeId()) {
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const Part::GeomCircle *circle = static_cast<const Part::GeomCircle*>(geo);
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if (pos == PointPos::mid)
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return circle->getCenter();
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} else if (geo->getTypeId() == Part::GeomEllipse::getClassTypeId()) {
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const Part::GeomEllipse *ellipse = static_cast<const Part::GeomEllipse*>(geo);
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if (pos == PointPos::mid)
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return ellipse->getCenter();
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} else if (geo->getTypeId() == Part::GeomArcOfCircle::getClassTypeId()) {
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const Part::GeomArcOfCircle *aoc = static_cast<const Part::GeomArcOfCircle*>(geo);
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if (pos == PointPos::start)
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return aoc->getStartPoint(/*emulateCCW=*/true);
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else if (pos == PointPos::end)
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return aoc->getEndPoint(/*emulateCCW=*/true);
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else if (pos == PointPos::mid)
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return aoc->getCenter();
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} else if (geo->getTypeId() == Part::GeomArcOfEllipse::getClassTypeId()) {
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const Part::GeomArcOfEllipse *aoc = static_cast<const Part::GeomArcOfEllipse*>(geo);
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if (pos == PointPos::start)
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return aoc->getStartPoint(/*emulateCCW=*/true);
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else if (pos == PointPos::end)
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return aoc->getEndPoint(/*emulateCCW=*/true);
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else if (pos == PointPos::mid)
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return aoc->getCenter();
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} else if (geo->getTypeId() == Part::GeomArcOfHyperbola::getClassTypeId()) {
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const Part::GeomArcOfHyperbola *aoh = static_cast<const Part::GeomArcOfHyperbola*>(geo);
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if (pos == PointPos::start)
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return aoh->getStartPoint();
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else if (pos == PointPos::end)
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return aoh->getEndPoint();
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else if (pos == PointPos::mid)
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return aoh->getCenter();
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} else if (geo->getTypeId() == Part::GeomArcOfParabola::getClassTypeId()) {
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const Part::GeomArcOfParabola *aop = static_cast<const Part::GeomArcOfParabola*>(geo);
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if (pos == PointPos::start)
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return aop->getStartPoint();
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else if (pos == PointPos::end)
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return aop->getEndPoint();
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else if (pos == PointPos::mid)
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return aop->getCenter();
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} else if (geo->getTypeId() == Part::GeomBSplineCurve::getClassTypeId()) {
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const Part::GeomBSplineCurve *bsp = static_cast<const Part::GeomBSplineCurve*>(geo);
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if (pos == PointPos::start)
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return bsp->getStartPoint();
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else if (pos == PointPos::end)
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return bsp->getEndPoint();
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}
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return Base::Vector3d();
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}
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template <typename T>
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void GeoListModel<T>::rebuildVertexIndex() const
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{
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VertexId2GeoElementId.clear();
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GeoElementId2VertexId.clear();
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int geoId=0;
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int pointId=0;
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auto addGeoElement = [this, &pointId](int geoId, PointPos pos) {
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VertexId2GeoElementId.emplace_back(geoId,pos);
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GeoElementId2VertexId.emplace(std::piecewise_construct,
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std::forward_as_tuple(geoId, pos),
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std::forward_as_tuple(pointId++));
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};
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if (geomlist.size() <= 2)
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return;
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for (auto it = geomlist.begin(); it != geomlist.end(); ++it, geoId++) {
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Base::Type type;
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if constexpr (std::is_same<T, Part::Geometry *>::value)
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type = (*it)->getTypeId();
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else if constexpr (std::is_same<T, std::unique_ptr<const Sketcher::GeometryFacade>>::value)
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type = (*it)->getGeometry()->getTypeId();
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if ( geoId > getInternalCount())
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geoId = -getExternalCount();
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if (type == Part::GeomPoint::getClassTypeId()) {
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addGeoElement(geoId,PointPos::start);
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} else if (type == Part::GeomLineSegment::getClassTypeId() ||
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type == Part::GeomBSplineCurve::getClassTypeId()) {
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addGeoElement(geoId,PointPos::start);
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addGeoElement(geoId,PointPos::end);
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} else if (type == Part::GeomCircle::getClassTypeId() ||
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type == Part::GeomEllipse::getClassTypeId()) {
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addGeoElement(geoId,PointPos::mid);
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} else if (type == Part::GeomArcOfCircle::getClassTypeId() ||
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type == Part::GeomArcOfEllipse::getClassTypeId() ||
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type == Part::GeomArcOfHyperbola::getClassTypeId() ||
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type == Part::GeomArcOfParabola::getClassTypeId()) {
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addGeoElement(geoId,PointPos::start);
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addGeoElement(geoId,PointPos::end);
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addGeoElement(geoId,PointPos::mid);
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}
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}
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indexInit = true;
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}
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template <typename T>
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Sketcher::GeoElementId GeoListModel<T>::getGeoElementIdFromVertexId(int vertexId)
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{
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if(!indexInit) // lazy initialised
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rebuildVertexIndex();
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return VertexId2GeoElementId[vertexId];
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}
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template <typename T>
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int GeoListModel<T>::getVertexIdFromGeoElementId(const Sketcher::GeoElementId & geoelementId) const
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{
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if(!indexInit) // lazy initialised
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rebuildVertexIndex();
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auto found = std::find(VertexId2GeoElementId.begin(), VertexId2GeoElementId.end(), geoelementId);
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if( found != VertexId2GeoElementId.end() )
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return std::distance(found, VertexId2GeoElementId.begin());
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THROWM(Base::IndexError, "GeoElementId not indexed");
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}
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namespace Sketcher {
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// Template specialisations
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template <>
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GeoListModel<GeometryFacadeUniquePtr>::GeoListModel(
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std::vector<GeometryFacadeUniquePtr> && geometrylist,
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int intgeocount,
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bool ownerT) : geomlist(std::move(geometrylist)),
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intGeoCount(intgeocount),
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OwnerT(false),
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indexInit(false)
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{
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// GeometryFacades hold the responsibility for releasing the resources.
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//
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// This means that each GeometryFacade that is passed to the GeoListModel,
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// must set the ownership (GF->setOwner(true)), if it should be the owner.
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// Otherwise, it follows the default behaviour that some other class, which
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// created the pointer, is responsible for freeing it.
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//
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// Under the Single Responsibility Principle GeoListModel cannot be made
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// responsible for releasing those pointers.
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assert(ownerT == false);
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}
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template <>
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GeoListModel<GeometryFacadeUniquePtr>::GeoListModel(
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const std::vector<GeometryFacadeUniquePtr> & geometrylist,
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int intgeocount): intGeoCount(intgeocount),
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OwnerT(false),
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indexInit(false)
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{
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// GeometryFacades are movable, but not copiable, so they need to be reconstructed (shallow copy of vector)
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// Under the Single Responsibility Principle, these will not take over a responsibility that shall be enforced
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// on the original GeometryFacade. Use the move version of getGeoListModel if moving the responsibility is intended.
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geomlist.reserve(geometrylist.size());
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for(auto & v : geometrylist) {
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geomlist.push_back(GeometryFacade::getFacade(v->getGeometry()));
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}
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}
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template <> SketcherExport
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GeoListModel<std::unique_ptr<const Sketcher::GeometryFacade>>::~GeoListModel()
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{
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// GeometryFacade is responsible for taken ownership of its pointers and deleting them.
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}
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// instantiate the types so that other translation units can access template constructors
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template class SketcherExport GeoListModel<Part::Geometry *>;
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#if !defined(__MINGW32__)
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template class SketcherExport GeoListModel<std::unique_ptr<const Sketcher::GeometryFacade>>;
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#else
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// Remark: It looks like when implementing a method of GeoListModel for GeometryFacadeUniquePtr then under MinGW
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// the explicit template instantiation doesn't do anything. As workaround all other methods must be declared separately
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template SketcherExport const Part::Geometry* GeoListModel<GeometryFacadeUniquePtr>::getGeometryFromGeoId(int geoId) const;
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template SketcherExport const Sketcher::GeometryFacade* GeoListModel<GeometryFacadeUniquePtr>::getGeometryFacadeFromGeoId(int geoId) const;
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template SketcherExport int GeoListModel<GeometryFacadeUniquePtr>::getGeoIdFromGeomListIndex(int index) const;
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template SketcherExport int GeoListModel<GeometryFacadeUniquePtr>::getVertexIdFromGeoElementId(const Sketcher::GeoElementId &) const;
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template SketcherExport GeoElementId GeoListModel<GeometryFacadeUniquePtr>::getGeoElementIdFromVertexId(int);
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template SketcherExport Base::Vector3d GeoListModel<GeometryFacadeUniquePtr>::getPoint(int geoId, Sketcher::PointPos pos) const;
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template SketcherExport Base::Vector3d GeoListModel<GeometryFacadeUniquePtr>::getPoint(const GeoElementId &) const;
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template SketcherExport GeoListModel<GeometryFacadeUniquePtr> GeoListModel<GeometryFacadeUniquePtr>::getGeoListModel
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(std::vector<GeometryFacadeUniquePtr>&& geometrylist, int intgeocount, bool ownerT);
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#endif
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} // namespace Sketcher
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GeoListFacade Sketcher::getGeoListFacade(const GeoList & geolist)
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{
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std::vector<std::unique_ptr<const GeometryFacade>> facade;
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facade.reserve( geolist.geomlist.size());
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for(auto geo : geolist.geomlist)
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facade.push_back(GeometryFacade::getFacade(geo));
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auto geolistfacade = GeoListFacade::getGeoListModel(std::move(facade), geolist.getInternalCount());
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return geolistfacade;
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}
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