CulledOccluderSource.h

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/*
 * 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.
 */
 
#pragma once
 
#include "OccluderSource.h"
#include "ViewMap.h"
 
namespace Freestyle {
 
class CulledOccluderSource : public OccluderSource {
  // Disallow copying and assignment
  CulledOccluderSource(const CulledOccluderSource &other);
  CulledOccluderSource &operator=(const CulledOccluderSource &other);
 
 public:
  CulledOccluderSource(const GridHelpers::Transform &transform,
                       WingedEdge &we,
                       ViewMap &viewMap,
                       bool extensiveFEdgeSearch = true);
 
  void cullViewEdges(ViewMap &viewMap, bool extensiveFEdgeSearch);
 
  bool next();
 
  void getOccluderProscenium(real proscenium[4]);
 
 private:
  bool testCurrent();
  void expandGridSpaceOccluderProscenium(FEdge *fe);
 
  real occluderProscenium[4];
  real gridSpaceOccluderProscenium[4];
 
  unsigned long rejected;
  bool gridSpaceOccluderProsceniumInitialized;
};
 
} /* namespace Freestyle */