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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.
*/
#ifndef __FREESTYLE_CULLED_OCCLUDER_SOURCE_H__
#define __FREESTYLE_CULLED_OCCLUDER_SOURCE_H__
/** \file
* \ingroup freestyle
* \brief Class to define a cell grid surrounding the projected image of a scene
*/
#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);
virtual ~CulledOccluderSource();
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 */
#endif // __FREESTYLE_CULLED_OCCLUDER_SOURCE_H__
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