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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file decimation/intern/LOD_QSDecimator.h
* \ingroup decimation
*/
#ifndef NAN_INCLUDED_LOD_QSDecimator_H
#define NAN_INCLUDED_LOD_QSDecimator_H
#include "MEM_NonCopyable.h"
#include "LOD_ManMesh2.h"
#include "LOD_ExternNormalEditor.h"
#include "LOD_EdgeCollapser.h"
#include "LOD_QuadricEditor.h"
class LOD_ExternBufferEditor;
class LOD_QSDecimator : public MEM_NonCopyable {
public :
static
LOD_QSDecimator *
New(
LOD_ManMesh2 &mesh,
LOD_ExternNormalEditor &face_editor,
LOD_ExternBufferEditor &extern_editor
);
bool
Arm(
);
bool
Step(
);
private :
LOD_QSDecimator(
LOD_ManMesh2 &mesh,
LOD_ExternNormalEditor &face_editor,
LOD_ExternBufferEditor &extern_editor
);
bool
CollapseEdge(
);
bool
BuildHeap(
);
void
UpdateHeap(
std::vector<LOD_EdgeInd> °_edges,
std::vector<LOD_EdgeInd> &new_edges
);
void
DeletePrimitives(
const std::vector<LOD_EdgeInd> & degenerate_edges,
const std::vector<LOD_FaceInd> & degenerate_faces,
const std::vector<LOD_VertexInd> & degenerate_vertices
);
private :
// owned by this class
//////////////////////
MEM_SmartPtr<LOD_EdgeCollapser> m_collapser;
MEM_SmartPtr<CTR_UHeap<LOD_Edge> > m_heap;
MEM_SmartPtr<LOD_QuadricEditor> m_quadric_editor;
bool m_is_armed;
// arguments to New(...)
////////////////////////
LOD_ManMesh2 & m_mesh;
LOD_ExternNormalEditor &m_face_editor;
LOD_ExternBufferEditor & m_extern_editor;
// temporary buffers
////////////////////
std::vector<LOD_FaceInd> m_deg_faces;
std::vector<LOD_EdgeInd> m_deg_edges;
std::vector<LOD_VertexInd> m_deg_vertices;
std::vector<LOD_FaceInd> m_update_faces;
std::vector<LOD_EdgeInd> m_new_edges;
std::vector<LOD_VertexInd> m_update_vertices;
};
#endif
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