///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2002-2016, Open Design Alliance (the "Alliance").
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// All rights reserved.
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//
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// This software and its documentation and related materials are owned by
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// the Alliance. The software may only be incorporated into application
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// programs owned by members of the Alliance, subject to a signed
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// Membership Agreement and Supplemental Software License Agreement with the
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// Alliance. The structure and organization of this software are the valuable
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// trade secrets of the Alliance and its suppliers. The software is also
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// protected by copyright law and international treaty provisions. Application
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// programs incorporating this software must include the following statement
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// with their copyright notices:
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//
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// This application incorporates Teigha(R) software pursuant to a license
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// agreement with Open Design Alliance.
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// Teigha(R) Copyright (C) 2002-2016 by Open Design Alliance.
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// All rights reserved.
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//
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// By use of this software, its documentation or related materials, you
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// acknowledge and accept the above terms.
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///////////////////////////////////////////////////////////////////////////////
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#ifndef __OD_GS_EMPTY_METAFILE_CACHE__
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#define __OD_GS_EMPTY_METAFILE_CACHE__
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#include "TD_PackPush.h"
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#include "Gs/GsEntityNode.h"
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#define STL_USING_MAP
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#include "OdaSTL.h"
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class OdGsLayerNode;
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/** <group OdGs_Classes>
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*/
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class OdGsEmptyMetafileCache
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{
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private:
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typedef std::map<OdUInt32, OdGsEntityNode::MetafilePtr> OdMmap;
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// Global map
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friend class OdGsModuleObject;
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GS_STATIC_EXPORT static OdMmap * s_mfMap;
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GS_STATIC_EXPORT static OdMutex* s_mtMfMap;
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static void rxInit();
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static void rxUninit();
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// Local map
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OdMmap m_mfMap;
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public:
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OdGsEmptyMetafileCache();
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static void get(OdGsEntityNode::MetafilePtr &pPtr, OdUInt32 flags, OdGsLayerNode *pLayerNode = NULL);
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protected:
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void getLocal(OdGsEntityNode::MetafilePtr &pPtr, OdUInt32 flags, OdGsLayerNode &pLayerNode);
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static void getGlobal(OdGsEntityNode::MetafilePtr &pPtr, OdUInt32 flags, OdGsLayerNode *pLayerNode);
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static void getImpl(OdGsEntityNode::MetafilePtr &pPtr, OdMmap &mfMap, OdUInt32 flags, OdGsLayerNode *pLayerNode);
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};
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#define ODGS_EMFCACHE_DEFINE_MEMBERS() \
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GS_STATIC_EXPORT OdGsEmptyMetafileCache::OdMmap* OdGsEmptyMetafileCache::s_mfMap = NULL; \
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GS_STATIC_EXPORT OdMutex* OdGsEmptyMetafileCache::s_mtMfMap = NULL; \
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void OdGsEmptyMetafileCache::rxInit() \
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{ \
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s_mfMap = new OdMmap(); \
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s_mtMfMap = new OdMutex(); \
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} \
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void OdGsEmptyMetafileCache::rxUninit() \
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{ \
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delete s_mfMap; s_mfMap = NULL; \
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delete s_mtMfMap; s_mtMfMap = NULL; \
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}
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#include "TD_PackPop.h"
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#endif // __OD_GS_EMPTY_METAFILE_CACHE__
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// Inlines
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#if defined(__OD_GS_EMPTY_METAFILE_CACHE__) && (defined(__OD_GS_EMPTY_METAFILE_CACHE_INLINES_INCLUDE__) || !defined(__OD_GS_LAYER_NODE__))
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#ifndef __OD_GS_EMPTY_METAFILE_CACHE_INLINES__
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#define __OD_GS_EMPTY_METAFILE_CACHE_INLINES__
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#include "Gs/GsLayerNode.h"
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inline
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OdGsEmptyMetafileCache::OdGsEmptyMetafileCache()
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{
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}
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inline
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void OdGsEmptyMetafileCache::get(OdGsEntityNode::MetafilePtr &pPtr, OdUInt32 flags, OdGsLayerNode *pLayerNode)
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{
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if (pLayerNode)
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pLayerNode->m_emfCache.getLocal(pPtr, flags, *pLayerNode);
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else
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getGlobal(pPtr, flags, pLayerNode);
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}
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inline
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void OdGsEmptyMetafileCache::getLocal(OdGsEntityNode::MetafilePtr &pPtr, OdUInt32 flags, OdGsLayerNode &pLayerNode)
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{
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TD_AUTOLOCK_P_DEF(pLayerNode.m_mt);
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getImpl(pPtr, m_mfMap, flags, &pLayerNode);
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}
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inline
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void OdGsEmptyMetafileCache::getGlobal(OdGsEntityNode::MetafilePtr &pPtr, OdUInt32 flags, OdGsLayerNode *pLayerNode)
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{
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OdMutexPtrAutoLock autoLock(odThreadsCounter() ? s_mtMfMap : NULL);
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getImpl(pPtr, *s_mfMap, flags, pLayerNode);
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}
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inline
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void OdGsEmptyMetafileCache::getImpl(OdGsEntityNode::MetafilePtr &pPtr, OdMmap &mfMap, OdUInt32 flags, OdGsLayerNode *pLayerNode)
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{
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OdMmap::iterator it = mfMap.find(flags);
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if (it != mfMap.end())
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{
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pPtr = it->second;
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return;
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}
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pPtr = OdGiRxObjectReImpl<OdGsEntityNode::Metafile>::createObject();
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pPtr->m_nAwareFlags = flags;
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pPtr->m_first.m_pLayer = pLayerNode;
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mfMap[flags] = pPtr;
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}
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#endif // __OD_GS_EMPTY_METAFILE_CACHE_INLINES__
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#endif // defined(__OD_GS_EMPTY_METAFILE_CACHE__) && (defined(__OD_GS_EMPTY_METAFILE_CACHE_INLINES_INCLUDE__) || !defined(__OD_GS_LAYER_NODE__))
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