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Merged branch 'dev_native' into lm_sla_supports_auto
Added igl library files
This commit is contained in:
Lukas Matena
commit
7681d00ee5
2865 changed files with 142806 additions and 22325 deletions
158
src/igl/HalfEdgeIterator.cpp
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158
src/igl/HalfEdgeIterator.cpp
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// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2014 Daniele Panozzo <daniele.panozzo@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#include "HalfEdgeIterator.h"
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::HalfEdgeIterator(
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const Eigen::PlainObjectBase<DerivedF>& _F,
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const Eigen::PlainObjectBase<DerivedFF>& _FF,
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const Eigen::PlainObjectBase<DerivedFFi>& _FFi,
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int _fi,
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int _ei,
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bool _reverse
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)
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: fi(_fi), ei(_ei), reverse(_reverse), F(_F), FF(_FF), FFi(_FFi)
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{}
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE void igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::flipF()
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{
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if (isBorder())
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return;
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int fin = (FF)(fi,ei);
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int ein = (FFi)(fi,ei);
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fi = fin;
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ei = ein;
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reverse = !reverse;
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}
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// Change Edge
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE void igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::flipE()
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{
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if (!reverse)
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ei = (ei+2)%3; // ei-1
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else
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ei = (ei+1)%3;
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reverse = !reverse;
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}
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// Change Vertex
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE void igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::flipV()
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{
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reverse = !reverse;
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}
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE bool igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::isBorder()
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{
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return (FF)(fi,ei) == -1;
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}
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/*!
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* Returns the next edge skipping the border
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* _________
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* /\ c | b /\
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* / \ | / \
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* / d \ | / a \
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* /______\|/______\
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* v
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* In this example, if a and d are of-border and the pos is iterating counterclockwise, this method iterate through the faces incident on vertex v,
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* producing the sequence a, b, c, d, a, b, c, ...
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*/
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE bool igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::NextFE()
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{
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if ( isBorder() ) // we are on a border
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{
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do
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{
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flipF();
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flipE();
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} while (!isBorder());
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flipE();
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return false;
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}
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else
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{
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flipF();
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flipE();
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return true;
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}
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}
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// Get vertex index
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE int igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::Vi()
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{
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assert(fi >= 0);
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assert(fi < F.rows());
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assert(ei >= 0);
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assert(ei <= 2);
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if (!reverse)
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return (F)(fi,ei);
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else
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return (F)(fi,(ei+1)%3);
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}
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// Get face index
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE int igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::Fi()
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{
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return fi;
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}
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// Get edge index
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE int igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::Ei()
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{
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return ei;
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}
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template <typename DerivedF, typename DerivedFF, typename DerivedFFi>
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IGL_INLINE bool igl::HalfEdgeIterator<DerivedF,DerivedFF,DerivedFFi>::operator==(HalfEdgeIterator& p2)
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{
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return
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(
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(fi == p2.fi) &&
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(ei == p2.ei) &&
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(reverse == p2.reverse) &&
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(F == p2.F) &&
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(FF == p2.FF) &&
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(FFi == p2.FFi)
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);
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}
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#ifdef IGL_STATIC_LIBRARY
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// Explicit template instantiation
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template igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> >::HalfEdgeIterator(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, int, int, bool);
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template igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >::HalfEdgeIterator(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, 3, 0, -1, 3> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, int, int, bool);
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template bool igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::NextFE();
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::Ei();
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::Ei();
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> >::Ei();
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> >::Fi();
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template bool igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> ,Eigen::Matrix<int, -1, 3, 0, -1, 3> >::NextFE();
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::Vi();
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template igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::HalfEdgeIterator(Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, Eigen::PlainObjectBase<Eigen::Matrix<int, -1, -1, 0, -1, -1> > const&, int, int, bool);
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::Fi();
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template void igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::flipE();
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template void igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::flipF();
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template void igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::flipV();
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template bool igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >::operator==(igl::HalfEdgeIterator<Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1>,Eigen::Matrix<int, -1, -1, 0, -1, -1> >&);
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template int igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >::Fi();
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template bool igl::HalfEdgeIterator<Eigen::Matrix<int, -1, 3, 0, -1, 3>, Eigen::Matrix<int, -1, -1, 0, -1, -1>, Eigen::Matrix<int, -1, -1, 0, -1, -1> >::NextFE();
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#endif
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