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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the 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;
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 ByteString* 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 );
ByteString 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; }
void ClearDisplayCache();
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
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