diff options
Diffstat (limited to 'source/blender/freestyle/intern/view_map/GridDensityProvider.h')
-rw-r--r-- | source/blender/freestyle/intern/view_map/GridDensityProvider.h | 137 |
1 files changed, 76 insertions, 61 deletions
diff --git a/source/blender/freestyle/intern/view_map/GridDensityProvider.h b/source/blender/freestyle/intern/view_map/GridDensityProvider.h index 078fc5f2c98..cc711fedece 100644 --- a/source/blender/freestyle/intern/view_map/GridDensityProvider.h +++ b/source/blender/freestyle/intern/view_map/GridDensityProvider.h @@ -1,93 +1,108 @@ -// -// Filename : GridDensityProvider.h -// Author(s) : Alexander Beels -// Purpose : Class to define a cell grid surrounding -// the projected image of a scene -// Date of creation : 2011-2-5 -// -/////////////////////////////////////////////////////////////////////////////// - - -// -// Copyright (C) : Please refer to the COPYRIGHT file distributed -// with this source distribution. -// -// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -// -/////////////////////////////////////////////////////////////////////////////// - -#ifndef GRIDDENSITYPROVIDER_H -#define GRIDDENSITYPROVIDER_H +/* + * ***** 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) 2010 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): none yet. + * + * ***** END GPL LICENSE BLOCK ***** + */ + +#ifndef __FREESTYLE_GRID_DENSITY_PROVIDER_H__ +#define __FREESTYLE_GRID_DENSITY_PROVIDER_H__ + +/** \file blender/freestyle/intern/view_map/GridDensityProvider.h + * \ingroup freestyle + * \brief Class to define a cell grid surrounding the projected image of a scene + * \author Alexander Beels + * \date 2011-2-5 + */ #include <stdexcept> #include <memory> + #include "OccluderSource.h" + #include "../geometry/BBox.h" -class GridDensityProvider { +class GridDensityProvider +{ // Disallow copying and assignment - GridDensityProvider (const GridDensityProvider& other); - GridDensityProvider& operator= (const GridDensityProvider& other); + GridDensityProvider(const GridDensityProvider& other); + GridDensityProvider& operator=(const GridDensityProvider& other); public: - GridDensityProvider (OccluderSource& source) - : source(source) { - } + GridDensityProvider(OccluderSource& source) : source(source) {} virtual ~GridDensityProvider() {}; - float cellSize() { + float cellSize() + { return _cellSize; } - unsigned cellsX() { + unsigned cellsX() + { return _cellsX; } - unsigned cellsY() { + unsigned cellsY() + { return _cellsY; } - float cellOrigin(int index) { - if ( index < 2 ) { + float cellOrigin(int index) + { + if (index < 2) { return _cellOrigin[index]; - } else { + } + else { throw new out_of_range("GridDensityProvider::cellOrigin can take only indexes of 0 or 1."); } } - static void calculateOptimalProscenium(OccluderSource& source, real proscenium[4]) { + static void calculateOptimalProscenium(OccluderSource& source, real proscenium[4]) + { source.begin(); - if ( source.isValid() ) { + if (source.isValid()) { const Vec3r& initialPoint = source.getGridSpacePolygon().getVertices()[0]; proscenium[0] = proscenium[1] = initialPoint[0]; proscenium[2] = proscenium[3] = initialPoint[1]; - while ( source.isValid() ) { + while (source.isValid()) { GridHelpers::expandProscenium (proscenium, source.getGridSpacePolygon()); source.next(); } } - cout << "Proscenium: (" << proscenium[0] << ", " << proscenium[1] << ", " << proscenium[2] << ", " << proscenium[3] << ")" << endl; + cout << "Proscenium: (" << proscenium[0] << ", " << proscenium[1] << ", " << proscenium[2] + << ", " << proscenium[3] << ")" << endl; } - static void calculateQuickProscenium(const GridHelpers::Transform& transform, const BBox<Vec3r>& bbox, real proscenium[4]) { + static void calculateQuickProscenium(const GridHelpers::Transform& transform, const BBox<Vec3r>& bbox, + real proscenium[4]) + { real z; // We want to use the z-coordinate closest to the camera to determine the proscenium face - if ( ::fabs(bbox.getMin()[2]) < ::fabs(bbox.getMax()[2]) ) { + if (::fabs(bbox.getMin()[2]) < ::fabs(bbox.getMax()[2])) { z = bbox.getMin()[2]; - } else { + } + else { z = bbox.getMax()[2]; } // Now calculate the proscenium according to the min and max values of the x and y coordinates @@ -98,7 +113,8 @@ public: proscenium[1] = std::max(minPoint[0], maxPoint[0]); proscenium[2] = std::min(minPoint[1], maxPoint[1]); proscenium[3] = std::max(minPoint[1], maxPoint[1]); - cout << "Proscenium : " << proscenium[0] << ", " << proscenium[1] << ", " << proscenium[2] << ", " << proscenium[3] << endl; + cout << "Proscenium : " << proscenium[0] << ", " << proscenium[1] << ", " << proscenium[2] << ", " + << proscenium[3] << endl; } protected: @@ -108,24 +124,23 @@ protected: float _cellOrigin[2]; }; -class GridDensityProviderFactory { +class GridDensityProviderFactory +{ // Disallow copying and assignment GridDensityProviderFactory (const GridDensityProviderFactory& other); GridDensityProviderFactory& operator= (const GridDensityProviderFactory& other); public: - GridDensityProviderFactory() - { - } + GridDensityProviderFactory() {} - virtual auto_ptr<GridDensityProvider> newGridDensityProvider(OccluderSource& source, const real proscenium[4]) =0; + virtual auto_ptr<GridDensityProvider> newGridDensityProvider(OccluderSource& source, const real proscenium[4]) = 0; - virtual auto_ptr<GridDensityProvider> newGridDensityProvider(OccluderSource& source, const BBox<Vec3r>& bbox, const GridHelpers::Transform& transform) =0; + virtual auto_ptr<GridDensityProvider> newGridDensityProvider(OccluderSource& source, const BBox<Vec3r>& bbox, + const GridHelpers::Transform& transform) = 0; - virtual auto_ptr<GridDensityProvider> newGridDensityProvider(OccluderSource& source) =0; + virtual auto_ptr<GridDensityProvider> newGridDensityProvider(OccluderSource& source) = 0; virtual ~GridDensityProviderFactory () {} }; -#endif // GRIDDENSITYPROVIDER_H - +#endif // __FREESTYLE_GRID_DENSITY_PROVIDER_H__ |