GsMaterialCache.h

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// Copyright (C) 2002-2022, Open Design Alliance (the "Alliance"). 
// All rights reserved. 
// 
// This software and its documentation and related materials are owned by 
// the Alliance. The software may only be incorporated into application 
// programs owned by members of the Alliance, subject to a signed 
// Membership Agreement and Supplemental Software License Agreement with the
// Alliance. The structure and organization of this software are the valuable  
// trade secrets of the Alliance and its suppliers. The software is also 
// protected by copyright law and international treaty provisions. Application  
// programs incorporating this software must include the following statement 
// with their copyright notices:
//   
//   This application incorporates Open Design Alliance software pursuant to a license 
//   agreement with Open Design Alliance.
//   Open Design Alliance Copyright (C) 2002-2022 by Open Design Alliance. 
//   All rights reserved.
//
// By use of this software, its documentation or related materials, you 
// acknowledge and accept the above terms.
 
#ifndef __OD_GS_MATERIAL_CACHE__
#define __OD_GS_MATERIAL_CACHE__
 
// Cache for material nodes
 
#include "TD_PackPush.h"
 
#include "RxObject.h"
#include "ThreadsCounter.h"
 
class OdGsBaseVectorizer;
class OdGsBaseModel;
class OdGsMaterialNode;
class OdGsBaseModule;
class OdGsFiler;
 
class GS_TOOLKIT_EXPORT OdGsMaterialCache : public OdRxObject
{
  protected:
    OdUInt32           m_nMaterials;
    OdGsMaterialNode*  m_pMaterials;
    OdGsBaseModel*     m_pModel;
    mutable OdMutexPtr m_pCacheMutex;
  public:
    
    OdGsMaterialCache();
    
    ~OdGsMaterialCache();
 
    ODRX_DECLARE_MEMBERS(OdGsMaterialCache);
 
    void setBaseModel(OdGsBaseModel* pModel);
 
    OdGsBaseModel* baseModel() { return m_pModel; }
    
    const OdGsBaseModel* baseModel() const { return m_pModel; }
 
    static OdSmartPtr<OdGsMaterialCache> createObject(OdGsBaseModel* pModel);
 
    // Search for already initialized node
    OdGsMaterialNode *searchNode(OdDbStub *mtl) const;
 
    OdGsMaterialNode *setMaterial(OdGsBaseVectorizer& view, OdDbStub *mtl, bool bDontReinit = false);
 
    bool removeNode(OdDbStub *mtl);
    
    bool removeNode(OdGsCache *pCsh);
 
    // Cache accessors
    
    OdUInt32 getCacheSize() const;
    OdGsMaterialNode *getCacheNode(OdUInt32 n) const;
 
    // Aliases
    
    inline void addNode(OdGsBaseVectorizer& view, OdDbStub *mtl)
    {
      setMaterial(view, mtl, true);
    }
 
    void clearCache();
 
    void invalidateCache(const OdGsBaseModule *pModule = NULL);
 
    
    bool saveMaterialCache(OdGsFiler *pFiler) const;
    
    bool loadMaterialCache(OdGsFiler *pFiler);
};
 
typedef OdSmartPtr<OdGsMaterialCache> OdGsMaterialCachePtr;
 
class GS_TOOLKIT_EXPORT OdGsCurrentMaterialNode
{
  protected:
    OdGsMaterialNode* m_pCurrentNode;
  public:
    
    OdGsCurrentMaterialNode(OdGsMaterialNode *pCurrentNode = NULL)
      : m_pCurrentNode(pCurrentNode) {}
    
    ~OdGsCurrentMaterialNode() {}
 
    OdGsMaterialNode *currentNode() const
    {
      return m_pCurrentNode;
    }
 
    void setCurrentNode(OdGsMaterialNode *pNode = NULL)
    {
      m_pCurrentNode = pNode;
    }
    
    OdGsMaterialNode *setMaterial(OdGsMaterialCache *pCache, OdGsBaseVectorizer& view, OdDbStub *mtl, bool bDontReinit = false);
};
 
#include "TD_PackPop.h"
 
#endif // __OD_GS_MATERIAL_CACHE__