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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: grfcache.hxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: rt $ $Date: 2005-09-09 03:04:24 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef _GRFCACHE_HXX
#define _GRFCACHE_HXX
#include <tools/list.hxx>
#include <vcl/graph.hxx>
#include <vcl/timer.hxx>
#include "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 );
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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