82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __FREESTYLE_OCCLUDER_SOURCE_H__
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#define __FREESTYLE_OCCLUDER_SOURCE_H__
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/** \file blender/freestyle/intern/view_map/OccluderSource.h
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* \ingroup freestyle
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* \brief Class to define a cell grid surrounding the projected image of a scene
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* \author Alexander Beels
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* \date 2010-12-21
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*/
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#include "../geometry/GridHelpers.h"
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#include "../winged_edge/WEdge.h"
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#ifdef WITH_CXX_GUARDEDALLOC
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#include "MEM_guardedalloc.h"
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#endif
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namespace Freestyle {
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class OccluderSource
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{
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// Disallow copying and assignment
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OccluderSource(const OccluderSource& other);
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OccluderSource& operator=(const OccluderSource& other);
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public:
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OccluderSource(const GridHelpers::Transform& transform, WingedEdge& we);
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virtual ~OccluderSource();
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void begin();
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virtual bool next();
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bool isValid();
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WFace *getWFace();
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Polygon3r getCameraSpacePolygon();
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Polygon3r& getGridSpacePolygon();
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virtual void getOccluderProscenium(real proscenium[4]);
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virtual real averageOccluderArea();
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protected:
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WingedEdge& wingedEdge;
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vector<WShape*>::const_iterator currentShape, shapesEnd;
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vector<WFace*>::const_iterator currentFace, facesEnd;
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bool valid;
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Polygon3r cachedPolygon;
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const GridHelpers::Transform& transform;
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void buildCachedPolygon();
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:OccluderSource")
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#endif
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};
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} /* namespace Freestyle */
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#endif // __FREESTYLE_OCCLUDER_SOURCE_H__
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