ArbitraryGridDensityProvider.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 "GridDensityProvider.h"
 
namespace Freestyle {
 
class ArbitraryGridDensityProvider : public GridDensityProvider {
  // Disallow copying and assignment
  ArbitraryGridDensityProvider(const ArbitraryGridDensityProvider &other);
  ArbitraryGridDensityProvider &operator=(const ArbitraryGridDensityProvider &other);
 
 public:
  ArbitraryGridDensityProvider(OccluderSource &source,
                               const real proscenium[4],
                               unsigned numCells);
  ArbitraryGridDensityProvider(OccluderSource &source,
                               const BBox<Vec3r> &bbox,
                               const GridHelpers::Transform &transform,
                               unsigned numCells);
  ArbitraryGridDensityProvider(OccluderSource &source, unsigned numCells);
 
 protected:
  unsigned numCells;
 
 private:
  void initialize(const real proscenium[4]);
};
 
class ArbitraryGridDensityProviderFactory : public GridDensityProviderFactory {
 public:
  ArbitraryGridDensityProviderFactory(unsigned numCells);
 
  AutoPtr<GridDensityProvider> newGridDensityProvider(OccluderSource &source,
                                                      const real proscenium[4]);
  AutoPtr<GridDensityProvider> newGridDensityProvider(OccluderSource &source,
                                                      const BBox<Vec3r> &bbox,
                                                      const GridHelpers::Transform &transform);
  AutoPtr<GridDensityProvider> newGridDensityProvider(OccluderSource &source);
 
 protected:
  unsigned numCells;
};
 
} /* namespace Freestyle */