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/*************************************************************************
*
* 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 <tools/list.hxx>
#include <vcl/graph.hxx>
#include <vcl/timer.hxx>
#include <svtools/grfmgr.hxx>
// -----------------------
// - GraphicManagerCache -
// -----------------------
class GraphicCacheEntry;
class GraphicCache
{
private:
GraphicManager& mrMgr;
Timer maReleaseTimer;
List maGraphicCache;
List maDisplayCache;
ULONG mnReleaseTimeoutSeconds;
ULONG mnMaxDisplaySize;
ULONG mnMaxObjDisplaySize;
ULONG mnUsedDisplaySize;
BOOL ImplFreeDisplayCacheSpace( ULONG nSizeToFree );
GraphicCacheEntry* ImplGetCacheEntry( const GraphicObject& rObj );
DECL_LINK( ReleaseTimeoutHdl, Timer* pTimer );
public:
GraphicCache( GraphicManager& rMgr,
ULONG nDisplayCacheSize = 10000000UL,
ULONG nMaxObjDisplayCacheSize = 2400000UL );
~GraphicCache();
public:
void AddGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute,
const ByteString* pID, const GraphicObject* pCopyObj );
void ReleaseGraphicObject( const GraphicObject& rObj );
void GraphicObjectWasSwappedOut( const GraphicObject& rObj );
BOOL FillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute );
void GraphicObjectWasSwappedIn( const GraphicObject& rObj );
ByteString GetUniqueID( const GraphicObject& rObj ) const;
public:
void SetMaxDisplayCacheSize( ULONG nNewCacheSize );
ULONG GetMaxDisplayCacheSize() const { return mnMaxDisplaySize; };
void SetMaxObjDisplayCacheSize( ULONG nNewMaxObjSize, BOOL bDestroyGreaterCached = FALSE );
ULONG GetMaxObjDisplayCacheSize() const { return mnMaxObjDisplaySize; }
ULONG GetUsedDisplayCacheSize() const { return mnUsedDisplaySize; }
ULONG GetFreeDisplayCacheSize() const { return( mnMaxDisplaySize - mnUsedDisplaySize ); }
void SetCacheTimeout( ULONG nTimeoutSeconds );
ULONG GetCacheTimeout() const { return mnReleaseTimeoutSeconds; }
void ClearDisplayCache();
BOOL IsDisplayCacheable( OutputDevice* pOut, const Point& rPt, const Size& rSz,
const GraphicObject& rObj, const GraphicAttr& rAttr ) const;
BOOL IsInDisplayCache( OutputDevice* pOut, const Point& rPt, const Size& rSz,
const GraphicObject& rObj, const GraphicAttr& rAttr ) const;
BOOL CreateDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
const GraphicObject& rObj, const GraphicAttr& rAttr,
const BitmapEx& rBmpEx );
BOOL CreateDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
const GraphicObject& rObj, const GraphicAttr& rAttr,
const GDIMetaFile& rMtf );
BOOL DrawDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz,
const GraphicObject& rObj, const GraphicAttr& rAttr );
};
#endif // _GRFCACHE_HXX
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