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00001 #ifndef COIN_SOCACHE_H 00002 #define COIN_SOCACHE_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 class SoState; 00028 class SoElement; 00029 class SoCacheP; 00030 00031 #include <Inventor/SbBasic.h> 00032 #include <stddef.h> // for NULL 00033 00034 class COIN_DLL_API SoCache { 00035 public: 00036 SoCache(SoState * const state); 00037 00038 void ref(void); 00039 void unref(SoState * state = NULL); 00040 00041 void addElement(const SoElement * const elem); 00042 00043 virtual void addCacheDependency(const SoState * state, 00044 SoCache * cache); 00045 virtual SbBool isValid(const SoState * state) const; 00046 const SoElement * getInvalidElement(const SoState * const state) const; 00047 void invalidate(void); 00048 00049 protected: 00050 virtual void destroy(SoState * state); 00051 virtual ~SoCache(); 00052 00053 private: 00054 SoCacheP * pimpl; 00055 }; 00056 00057 #endif // !COIN_SOCACHE_H
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