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SoCacheHintElement.h

00001 #ifndef COIN_SOCACHEHINTELEMENT_H
00002 #define COIN_SOCACHEHINTELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoSubElement.h>
00028 
00029 class SoCacheHintElementP;
00030 
00031 // Please note that this is an experimental class. The API might
00032 // change a lot before/if it's included in any official Coin
00033 // release. pederb, 2004-07-02
00034 class COIN_DLL_API SoCacheHintElement : public SoElement {
00035   typedef SoElement inherited;
00036 
00037   SO_ELEMENT_HEADER(SoCacheHintElement);
00038 public:
00039   static void initClass(void);
00040 protected:
00041   virtual ~SoCacheHintElement();
00042 
00043 public:
00044 
00045   virtual void init(SoState * state);
00046   virtual void push(SoState * state);
00047   virtual void pop(SoState * state, const SoElement * prevtopelement);
00048 
00049   virtual SbBool matches(const SoElement * element) const;
00050   virtual SoElement * copyMatchInfo(void) const;
00051 
00052   static void set(SoState * state, SoNode * node,
00053                   const float memvalue,
00054                   const float gfxvalue);
00055   static void get(SoState * state, float & memvalue, float & gfxvalue);
00056   
00057 protected:
00058 
00059   SoCacheHintElementP * pimpl;
00060 };
00061 
00062 #endif // !COIN_SOCACHEHINTELEMENT_H

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