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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SVTOOLS_SOURCE_GRAPHIC_GRFCACHE_HXX
#define INCLUDED_SVTOOLS_SOURCE_GRAPHIC_GRFCACHE_HXX
#include <vcl/graph.hxx>
#include <vcl/timer.hxx>
#include <list>
class GraphicAttr;
class GraphicCacheEntry;
class GraphicDisplayCacheEntry;
class GraphicObject;
class GraphicCache
{
private:
typedef std::list< GraphicCacheEntry* > GraphicCacheEntryList;
typedef std::list< GraphicDisplayCacheEntry* > GraphicDisplayCacheEntryList;
Timer maReleaseTimer;
GraphicCacheEntryList maGraphicCache;
GraphicDisplayCacheEntryList maDisplayCache;
sal_uLong mnReleaseTimeoutSeconds;
sal_uLong mnMaxDisplaySize;
sal_uLong mnMaxObjDisplaySize;
sal_uLong mnUsedDisplaySize;
bool ImplFreeDisplayCacheSpace( sal_uLong nSizeToFree );
GraphicCacheEntry* ImplGetCacheEntry( const GraphicObject& rObj );
DECL_LINK( ReleaseTimeoutHdl, Timer*, void );
public:
GraphicCache(
sal_uLong nDisplayCacheSize,
sal_uLong nMaxObjDisplayCacheSize
);
~GraphicCache();
public:
void AddGraphicObject(
const GraphicObject& rObj,
Graphic& rSubstitute,
const OString* pID,
const GraphicObject* pCopyObj
);
void ReleaseGraphicObject( const GraphicObject& rObj );
void GraphicObjectWasSwappedOut( const GraphicObject& rObj );
void GraphicObjectWasSwappedIn( const GraphicObject& rObj );
OString GetUniqueID( const GraphicObject& rObj ) const;
public:
void SetMaxDisplayCacheSize( sal_uLong nNewCacheSize );
sal_uLong GetMaxDisplayCacheSize() const { return mnMaxDisplaySize; };
void SetMaxObjDisplayCacheSize( sal_uLong nNewMaxObjSize );
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; }
bool IsDisplayCacheable(
OutputDevice const * pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr
) const;
bool IsInDisplayCache(
OutputDevice const * pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr
) const;
bool CreateDisplayCacheObj(
OutputDevice const * pOut,
const Point& rPt,
const Size& rSz,
const GraphicObject& rObj,
const GraphicAttr& rAttr,
const BitmapEx& rBmpEx
);
bool CreateDisplayCacheObj(
OutputDevice const * 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 // INCLUDED_SVTOOLS_SOURCE_GRAPHIC_GRFCACHE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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