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Diffstat (limited to 'goodies/source/graphic/grfcache.hxx')
| -rw-r--r-- | goodies/source/graphic/grfcache.hxx | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/goodies/source/graphic/grfcache.hxx b/goodies/source/graphic/grfcache.hxx new file mode 100644 index 000000000000..508ec2e15206 --- /dev/null +++ b/goodies/source/graphic/grfcache.hxx @@ -0,0 +1,133 @@ +/************************************************************************* + * + * $RCSfile: grfcache.hxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:30:16 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 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 + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef _GRFCACHE_HXX +#define _GRFCACHE_HXX + +#include <tools/list.hxx> +#include <vcl/graph.hxx> +#include "grfmgr.hxx" + +// ----------------------- +// - GraphicManagerCache - +// ----------------------- + +class GraphicCacheEntry; + +class GraphicCache +{ +private: + + GraphicManager& mrMgr; + List maGraphicCache; + List maDisplayCache; + ULONG mnMaxDisplaySize; + ULONG mnMaxObjDisplaySize; + ULONG mnUsedDisplaySize; + + BOOL ImplFreeDisplayCacheSpace( ULONG nSizeToFree ); + GraphicCacheEntry* ImplGetCacheEntry( const GraphicObject& rObj ); + +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 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 |