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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _GRFCACHE_HXX
#define _GRFCACHE_HXX
#include <vcl/graph.hxx>
#include <vcl/timer.hxx>
#include <tools/list.hxx>
#include <svtools/grfmgr.hxx>
#include <list>
// -----------------------
// - GraphicManagerCache -
// -----------------------
class GraphicCacheEntry;
class GraphicCache
{
private:
typedef std::list< GraphicCacheEntry* > GraphicCacheEntryList;
GraphicManager& mrMgr;
Timer maReleaseTimer;
GraphicCacheEntryList maGraphicCache;
List maDisplayCache;
sal_uLong mnReleaseTimeoutSeconds;
sal_uLong mnMaxDisplaySize;
sal_uLong mnMaxObjDisplaySize;
sal_uLong mnUsedDisplaySize;
sal_Bool ImplFreeDisplayCacheSpace( sal_uLong nSizeToFree );
GraphicCacheEntry* ImplGetCacheEntry( const GraphicObject& rObj );
DECL_LINK( ReleaseTimeoutHdl, Timer* pTimer );
public:
GraphicCache(
GraphicManager& rMgr,
sal_uLong nDisplayCacheSize = 10000000UL,
sal_uLong nMaxObjDisplayCacheSize = 2400000UL
);
~GraphicCache();
public:
void AddGraphicObject(
const GraphicObject& rObj,
Graphic& rSubstitute,
const rtl::OString* pID,
const GraphicObject* pCopyObj
);
void ReleaseGraphicObject( const GraphicObject& rObj );
void GraphicObjectWasSwappedOut( const GraphicObject& rObj );
sal_Bool FillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute );
void GraphicObjectWasSwappedIn( const GraphicObject& rObj );
rtl::OString GetUniqueID( const GraphicObject& rObj ) const;
public:
void SetMaxDisplayCacheSize( sal_uLong nNewCacheSize );
sal_uLong GetMaxDisplayCacheSize() const { return mnMaxDisplaySize; };
void SetMaxObjDisplayCacheSize(
sal_uLong nNewMaxObjSize,
sal_Bool bDestroyGreaterCached = sal_False
);
sal_uLong GetMaxObjDisplayCacheSize() const { return mnMaxObjDisplaySize; }
sal_uLong GetUsedDisplayCacheSize() const { return mnUsedDisplaySize; }
sal_uLong GetFreeDisplayCacheSize() const { return( mnMaxDisplaySize - mnUsedDisplaySize ); }
void SetCacheTimeout( sal_uLong nTimeoutSeconds );
sal_uLong GetCacheTimeout() const { return mnReleaseTimeoutSeconds; }
sal_Bool IsDisplayCacheable(
OutputDevice* pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr
) const;
sal_Bool IsInDisplayCache(
OutputDevice* pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr
) const;
sal_Bool CreateDisplayCacheObj(
OutputDevice* pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr,
const BitmapEx& rBmpEx
);
sal_Bool CreateDisplayCacheObj(
OutputDevice* pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr,
const GDIMetaFile& rMtf
);
sal_Bool DrawDisplayCacheObj(
OutputDevice* pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr
);
};
#endif // _GRFCACHE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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