210 lines
7.9 KiB
C++
210 lines
7.9 KiB
C++
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//=============================================================================
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//
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// OpenMesh
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// Copyright (C) 2003 by Computer Graphics Group, RWTH Aachen
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// www.openmesh.org
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//
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//-----------------------------------------------------------------------------
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//
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// License
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation, version 2.1.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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//-----------------------------------------------------------------------------
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//
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// $Revision: 1802 $
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// $Date: 2008-05-19 11:55:07 +0200 (Mo, 19. Mai 2008) $
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//
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//=============================================================================
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//=============================================================================
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//
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// CLASS OSGArrayKernelT
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//
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//=============================================================================
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#ifndef OPENMESH_KERNELOSG_ARRAY_KERNEL_HH
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#define OPENMEHS_KERNELOSG_ARRAY_KERNEL_HH
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//== INCLUDES =================================================================
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#include <vector>
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// --------------------
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#include <OpenMesh/Core/System/config.h>
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#include <OpenMesh/Core/Utils/GenProg.hh>
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#include <OpenMesh/Core/Mesh/Kernels/ArrayKernel/ArrayKernelT.hh>
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// --------------------
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#include <OpenMesh/Tools/Kernel_OSG/AttribKernelT.hh>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace Kernel_OSG {
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//== CLASS DEFINITION =========================================================
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/** \ingroup mesh_kernels_group
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*
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* Mesh kernel using arrays for mesh item storage.
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*
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* This mesh kernel uses the OpenSG GeoProperties as container
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* to store the mesh items.
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*
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* \note You do not have to use this class directly, use the predefined
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* mesh-kernel combinations in \ref mesh_types_group.
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*/
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// \see OpenMesh::ArrayHandleT
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// \see \ref mesh_type
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template <class AttribKernel, class FinalMeshItems>
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class ArrayKernelT
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: public OpenMesh::ArrayKernelT<AttribKernel, FinalMeshItems>
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{
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public:
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typedef ArrayKernelT<AttribKernel, FinalMeshItems> This;
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typedef OpenMesh::ArrayKernelT<AttribKernel, FinalMeshItems> Base;
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// attributes
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// typedef typename Base::HasVertexNormals HasVertexNormals;
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// typedef typename Base::HasVertexColors HasVertexColors;
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// typedef typename Base::HasVertexTexCoords HasVertexTexCoords;
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// typedef typename Base::HasVertexStatus HasVertexStatus;
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typedef typename Base::HasPrevHalfedge HasPrevHalfedge;
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// typedef typename Base::HasEdgeStatus HasEdgeStatus;
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// typedef typename Base::HasFaceNormals HasFaceNormals;
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// typedef typename Base::HasFaceColors HasFaceColors;
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// typedef typename Base::HasFaceStatus HasFaceStatus;
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// item types
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typedef typename FinalMeshItems::Vertex Vertex;
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typedef typename FinalMeshItems::Halfedge Halfedge;
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typedef typename FinalMeshItems::Edge Edge;
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typedef typename FinalMeshItems::Face Face;
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typedef typename FinalMeshItems::Point Point;
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typedef typename FinalMeshItems::Normal Normal;
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typedef typename FinalMeshItems::Color Color;
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typedef typename FinalMeshItems::TexCoord TexCoord;
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typedef typename FinalMeshItems::Scalar Scalar;
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// // handles
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// typedef typename OpenMesh::VertexHandle VertexHandle;
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// typedef typename FinalMeshItems::HalfedgeHandle HalfedgeHandle;
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// typedef typename FinalMeshItems::EdgeHandle EdgeHandle;
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// typedef typename FinalMeshItems::FaceHandle FaceHandle;
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// iterators
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typedef std::vector<Vertex> VertexContainer;
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typedef std::vector<Edge> EdgeContainer;
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typedef std::vector<Face> FaceContainer;
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typedef typename VertexContainer::iterator KernelVertexIter;
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typedef typename VertexContainer::const_iterator KernelConstVertexIter;
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typedef typename EdgeContainer::iterator KernelEdgeIter;
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typedef typename EdgeContainer::const_iterator KernelConstEdgeIter;
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typedef typename FaceContainer::iterator KernelFaceIter;
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typedef typename FaceContainer::const_iterator KernelConstFaceIter;
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public:
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ArrayKernelT() : Base()
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{ }
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virtual ~ArrayKernelT()
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{ }
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public: // replacements
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void set_halfedge_handle(VertexHandle _vh, HalfedgeHandle _heh) {
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Base::set_halfedge_handle( _vh, _heh );
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}
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void set_halfedge_handle(FaceHandle _fh, HalfedgeHandle _heh) {
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Base::set_halfedge_handle( _fh, _heh );
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osg_sync( _fh );
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}
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void set_next_halfedge_handle(HalfedgeHandle _heh, HalfedgeHandle _nheh) {
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Base::set_next_halfedge_handle( _heh, _nheh );
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osg_sync( face_handle( _heh ) ); // ##Changed
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}
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void garbage_collection(bool _v=true, bool _e=true, bool _f=true);
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protected:
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bool osg_sync( FaceHandle _fh )
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{
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return _fh.is_valid()
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? osg_sync( _fh, typename Face::IsTriangle() )
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: false;
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}
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private:
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bool osg_sync( FaceHandle _fh, GenProg::Bool2Type<true> )
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{
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HalfedgeHandle hh( halfedge_handle(_fh) );
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if ( !hh.is_valid() ) return false;
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FaceHandle f1( _fh.idx() * 3 );
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set_face_indices( f1, to_vertex_handle(hh).idx() );
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hh = next_halfedge_handle(hh);
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if ( !hh.is_valid() ) return false;
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FaceHandle f2( f1.idx()+1 );
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set_face_indices( f2, to_vertex_handle(hh).idx() );
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hh = next_halfedge_handle(hh);
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if ( !hh.is_valid() ) return false;
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FaceHandle f3( f1.idx()+2 );
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set_face_indices( f3, to_vertex_handle(hh).idx() );
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set_face_types ( _fh, GL_TRIANGLES );
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set_face_lengths( _fh, 3 );
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return true;
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}
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bool osg_sync( FaceHandle _fh, GenProg::Bool2Type<false> )
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{
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return false;
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}
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};
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template <class AttribKernel, class FinalMeshItems>
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void
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ArrayKernelT<AttribKernel, FinalMeshItems>::
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garbage_collection(bool _v, bool _e, bool _f)
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{
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Base::garbage_collection(_v, _e, _f);
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for (size_t fidx=0; fidx < n_faces(); ++fidx)
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osg_sync( FaceHandle(fidx) );
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}
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//=============================================================================
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} // namespace Kernel_OSG
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} // namespace OpenMesh
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//=============================================================================
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#endif // OPENMESH_ARRAY_KERNEL_HH defined
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//=============================================================================
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