diff options
Diffstat (limited to 'source/blender/freestyle/intern/scene_graph/Node.h')
-rw-r--r-- | source/blender/freestyle/intern/scene_graph/Node.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/source/blender/freestyle/intern/scene_graph/Node.h b/source/blender/freestyle/intern/scene_graph/Node.h new file mode 100644 index 00000000000..626a0913233 --- /dev/null +++ b/source/blender/freestyle/intern/scene_graph/Node.h @@ -0,0 +1,115 @@ +/* + * ***** 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_NODE_H__ +#define __FREESTYLE_NODE_H__ + +/** \file blender/freestyle/intern/scene_graph/Node.h + * \ingroup freestyle + * \brief Abstract class for scene graph nodes. Inherits from BaseObject which defines the addRef release mechanism. + * \author Stephane Grabli + * \date 24/01/2002 + */ + +#include "SceneVisitor.h" + +#include "../system/BaseObject.h" +#include "../system/FreestyleConfig.h" +#include "../system/Precision.h" + +#include "../geometry/BBox.h" +#include "../geometry/Geom.h" + +using namespace std; +using namespace Geometry; + +class LIB_SCENE_GRAPH_EXPORT Node : public BaseObject +{ +public: + inline Node() : BaseObject() {} + + inline Node(const Node& iBrother) : BaseObject() + { + _BBox = iBrother.bbox(); + } + + virtual ~Node(){} + + /*! Accept the corresponding visitor + * Each inherited node must overload this method + */ + virtual void accept(SceneVisitor& v) + { + v.visitNode(*this); + } + + /*! bounding box management */ + /*! Returns the node bounding box + * If no bounding box exists, an empty bbox is returned + */ + virtual const BBox<Vec3r>& bbox() const + { + return _BBox; + } + + /*! Sets the Node bounding box */ + virtual void setBBox(const BBox<Vec3r>& iBox) + { + _BBox = iBox; + } + + /*! Makes the union of _BBox and iBox */ + virtual void AddBBox(const BBox<Vec3r>& iBox) + { + if(iBox.empty()) + return; + + if(_BBox.empty()) + _BBox = iBox; + else + _BBox += iBox; + } + + /*! Updates the BBox */ + virtual const BBox<Vec3r>& UpdateBBox() + { + return _BBox; + } + + /*! Clears the bounding box */ + virtual void clearBBox() + { + _BBox.clear(); + } + +protected: + +private: + BBox<Vec3r> _BBox; +}; + +#endif // __FREESTYLE_NODE_H__ |