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Diffstat (limited to 'svtools/source/graphic/grfcache.hxx')
| -rw-r--r-- | svtools/source/graphic/grfcache.hxx | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/svtools/source/graphic/grfcache.hxx b/svtools/source/graphic/grfcache.hxx new file mode 100644 index 000000000000..55309a00827d --- /dev/null +++ b/svtools/source/graphic/grfcache.hxx @@ -0,0 +1,109 @@ +/************************************************************************* + * + * 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 |