///////////////////////////////////////////////////////////////////////////////
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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 _ODGITRAITSCACHE_INCLUDED_
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#define _ODGITRAITSCACHE_INCLUDED_
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#include "GiCommonDraw.h"
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#define STL_USING_MAP
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#include "OdaSTL.h"
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class OdDbStub;
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#include "TD_PackPush.h"
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/** \details
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\sa
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TD_Gi
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<group OdGi_Classes>
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*/
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template <class traitsContainer, class traitsTaker, OdUInt32 byMask = 0>
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class OdGiTraitsCache : public traitsTaker
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{
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public:
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enum CacheType
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{
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kCacheNone = 0,
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kCacheByMask = 1,
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kCacheAll = 2
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};
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protected:
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struct CacheEntry
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{
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traitsContainer m_data;
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OdUInt32 m_flags;
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void set(const traitsContainer& data, OdUInt32 flags) { m_data = data; m_flags = flags; }
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};
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protected:
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CacheType m_cacheType;
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typedef std::map<OdDbStub*, CacheEntry> _mmap;
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_mmap m_cacheData;
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OdUInt32 m_traitsAttrib;
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public:
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OdGiTraitsCache()
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: traitsTaker()
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, m_cacheType(kCacheNone)
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, m_traitsAttrib(0)
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{
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}
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explicit OdGiTraitsCache(CacheType cacheType)
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: traitsTaker()
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, m_cacheType(cacheType)
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, m_traitsAttrib(0)
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{
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}
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~OdGiTraitsCache()
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{
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}
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void setCacheType(CacheType cacheType)
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{
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m_cacheType = cacheType;
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}
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CacheType cacheType() const
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{
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return m_cacheType;
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}
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void setAttributes(OdDbStub* objId, OdGiContext &giCtx, bool forceCaching = false)
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{
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if (m_cacheType != kCacheNone && m_cacheData.size() > 0)
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{
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// Note: iterator won't compile in this context on all platforms.
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typename _mmap::iterator it = m_cacheData.find(objId);
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if(it != m_cacheData.end())
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{
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m_traitsAttrib = it->second.m_flags;
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if(!(m_traitsAttrib & byMask))
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traitsTaker::setData(it->second.m_data);
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return;
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}
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}
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OdGiDrawablePtr drawable = giCtx.openDrawable(objId);
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if (!drawable.isNull())
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{
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m_traitsAttrib = drawable->setAttributes(this);
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if (m_cacheType != kCacheNone)
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{
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if (m_cacheType == kCacheAll || forceCaching || ((m_traitsAttrib & byMask) != 0))
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{
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m_cacheData[objId].set(this->getData(), m_traitsAttrib);
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}
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}
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}
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}
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void setFlags(OdUInt32 uAttrib)
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{
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m_traitsAttrib = uAttrib;
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}
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OdUInt32 getFlags() const
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{
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return m_traitsAttrib;
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}
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void clear()
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{
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m_cacheData.clear();
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}
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};
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// traitsContainer - must have operator =.
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// traitsTaker - must have setData(traitsContainer), getData() methods.
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#include "TD_PackPop.h"
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#endif // #ifndef _ODGITRAITSCACHE_INCLUDED_
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