1 /*
2  * This program is free software; you can redistribute it and/or
3  * modify it under the terms of the GNU General Public License
4  * as published by the Free Software Foundation; either version 2
5  * of the License, or (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software Foundation,
14  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
15  */
16 
17 #pragma once
18 
19 /** \file
20  * \ingroup freestyle
21  * \brief Class to define a cell grid surrounding the projected image of a scene
22  */
23 
24 //#include <memory> // provided by GridDensityProvider.h
25 
26 #include "AverageAreaGridDensityProvider.h"
27 //#include "GridDensityProvider.h" // provided by *GridDensityProvider.h below
28 #include "Pow23GridDensityProvider.h"
29 
30 namespace Freestyle {
31 
32 class HeuristicGridDensityProviderFactory : public GridDensityProviderFactory {
33  public:
34   HeuristicGridDensityProviderFactory(real sizeFactor, unsigned numFaces);
35   ~HeuristicGridDensityProviderFactory();
36 
37   AutoPtr<GridDensityProvider> newGridDensityProvider(OccluderSource &source,
38                                                       const real proscenium[4]);
39   AutoPtr<GridDensityProvider> newGridDensityProvider(OccluderSource &source,
40                                                       const BBox<Vec3r> &bbox,
41                                                       const GridHelpers::Transform &transform);
42   AutoPtr<GridDensityProvider> newGridDensityProvider(OccluderSource &source);
43 
44  protected:
45   real sizeFactor;
46   unsigned numFaces;
47 };
48 
49 } /* namespace Freestyle */
50