1*01aa44aaSAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*01aa44aaSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*01aa44aaSAndrew Rist * or more contributor license agreements. See the NOTICE file 5*01aa44aaSAndrew Rist * distributed with this work for additional information 6*01aa44aaSAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*01aa44aaSAndrew Rist * to you under the Apache License, Version 2.0 (the 8*01aa44aaSAndrew Rist * "License"); you may not use this file except in compliance 9*01aa44aaSAndrew Rist * with the License. You may obtain a copy of the License at 10cdf0e10cSrcweir * 11*01aa44aaSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12cdf0e10cSrcweir * 13*01aa44aaSAndrew Rist * Unless required by applicable law or agreed to in writing, 14*01aa44aaSAndrew Rist * software distributed under the License is distributed on an 15*01aa44aaSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*01aa44aaSAndrew Rist * KIND, either express or implied. See the License for the 17*01aa44aaSAndrew Rist * specific language governing permissions and limitations 18*01aa44aaSAndrew Rist * under the License. 19cdf0e10cSrcweir * 20*01aa44aaSAndrew Rist *************************************************************/ 21*01aa44aaSAndrew Rist 22*01aa44aaSAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _GRFCACHE_HXX 25cdf0e10cSrcweir #define _GRFCACHE_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <tools/list.hxx> 28cdf0e10cSrcweir #include <vcl/graph.hxx> 29cdf0e10cSrcweir #include <vcl/timer.hxx> 30cdf0e10cSrcweir #include <svtools/grfmgr.hxx> 31cdf0e10cSrcweir 32cdf0e10cSrcweir // ----------------------- 33cdf0e10cSrcweir // - GraphicManagerCache - 34cdf0e10cSrcweir // ----------------------- 35cdf0e10cSrcweir 36cdf0e10cSrcweir class GraphicCacheEntry; 37cdf0e10cSrcweir 38cdf0e10cSrcweir class GraphicCache 39cdf0e10cSrcweir { 40cdf0e10cSrcweir private: 41cdf0e10cSrcweir 42cdf0e10cSrcweir GraphicManager& mrMgr; 43cdf0e10cSrcweir Timer maReleaseTimer; 44cdf0e10cSrcweir List maGraphicCache; 45cdf0e10cSrcweir List maDisplayCache; 46cdf0e10cSrcweir sal_uLong mnReleaseTimeoutSeconds; 47cdf0e10cSrcweir sal_uLong mnMaxDisplaySize; 48cdf0e10cSrcweir sal_uLong mnMaxObjDisplaySize; 49cdf0e10cSrcweir sal_uLong mnUsedDisplaySize; 50cdf0e10cSrcweir 51cdf0e10cSrcweir sal_Bool ImplFreeDisplayCacheSpace( sal_uLong nSizeToFree ); 52cdf0e10cSrcweir GraphicCacheEntry* ImplGetCacheEntry( const GraphicObject& rObj ); 53cdf0e10cSrcweir 54cdf0e10cSrcweir 55cdf0e10cSrcweir DECL_LINK( ReleaseTimeoutHdl, Timer* pTimer ); 56cdf0e10cSrcweir 57cdf0e10cSrcweir public: 58cdf0e10cSrcweir 59cdf0e10cSrcweir GraphicCache( GraphicManager& rMgr, 60cdf0e10cSrcweir sal_uLong nDisplayCacheSize = 10000000UL, 61cdf0e10cSrcweir sal_uLong nMaxObjDisplayCacheSize = 2400000UL ); 62cdf0e10cSrcweir ~GraphicCache(); 63cdf0e10cSrcweir 64cdf0e10cSrcweir public: 65cdf0e10cSrcweir 66cdf0e10cSrcweir void AddGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute, 67cdf0e10cSrcweir const ByteString* pID, const GraphicObject* pCopyObj ); 68cdf0e10cSrcweir void ReleaseGraphicObject( const GraphicObject& rObj ); 69cdf0e10cSrcweir 70cdf0e10cSrcweir void GraphicObjectWasSwappedOut( const GraphicObject& rObj ); 71cdf0e10cSrcweir sal_Bool FillSwappedGraphicObject( const GraphicObject& rObj, Graphic& rSubstitute ); 72cdf0e10cSrcweir void GraphicObjectWasSwappedIn( const GraphicObject& rObj ); 73cdf0e10cSrcweir 74cdf0e10cSrcweir ByteString GetUniqueID( const GraphicObject& rObj ) const; 75cdf0e10cSrcweir 76cdf0e10cSrcweir public: 77cdf0e10cSrcweir 78cdf0e10cSrcweir void SetMaxDisplayCacheSize( sal_uLong nNewCacheSize ); GetMaxDisplayCacheSize() const79cdf0e10cSrcweir sal_uLong GetMaxDisplayCacheSize() const { return mnMaxDisplaySize; }; 80cdf0e10cSrcweir 81cdf0e10cSrcweir void SetMaxObjDisplayCacheSize( sal_uLong nNewMaxObjSize, sal_Bool bDestroyGreaterCached = sal_False ); GetMaxObjDisplayCacheSize() const82cdf0e10cSrcweir sal_uLong GetMaxObjDisplayCacheSize() const { return mnMaxObjDisplaySize; } 83cdf0e10cSrcweir GetUsedDisplayCacheSize() const84cdf0e10cSrcweir sal_uLong GetUsedDisplayCacheSize() const { return mnUsedDisplaySize; } GetFreeDisplayCacheSize() const85cdf0e10cSrcweir sal_uLong GetFreeDisplayCacheSize() const { return( mnMaxDisplaySize - mnUsedDisplaySize ); } 86cdf0e10cSrcweir 87cdf0e10cSrcweir void SetCacheTimeout( sal_uLong nTimeoutSeconds ); GetCacheTimeout() const88cdf0e10cSrcweir sal_uLong GetCacheTimeout() const { return mnReleaseTimeoutSeconds; } 89cdf0e10cSrcweir 90cdf0e10cSrcweir void ClearDisplayCache(); 91cdf0e10cSrcweir sal_Bool IsDisplayCacheable( OutputDevice* pOut, const Point& rPt, const Size& rSz, 92cdf0e10cSrcweir const GraphicObject& rObj, const GraphicAttr& rAttr ) const; 93cdf0e10cSrcweir sal_Bool IsInDisplayCache( OutputDevice* pOut, const Point& rPt, const Size& rSz, 94cdf0e10cSrcweir const GraphicObject& rObj, const GraphicAttr& rAttr ) const; 95cdf0e10cSrcweir sal_Bool CreateDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz, 96cdf0e10cSrcweir const GraphicObject& rObj, const GraphicAttr& rAttr, 97cdf0e10cSrcweir const BitmapEx& rBmpEx ); 98cdf0e10cSrcweir sal_Bool CreateDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz, 99cdf0e10cSrcweir const GraphicObject& rObj, const GraphicAttr& rAttr, 100cdf0e10cSrcweir const GDIMetaFile& rMtf ); 101cdf0e10cSrcweir sal_Bool DrawDisplayCacheObj( OutputDevice* pOut, const Point& rPt, const Size& rSz, 102cdf0e10cSrcweir const GraphicObject& rObj, const GraphicAttr& rAttr ); 103cdf0e10cSrcweir }; 104cdf0e10cSrcweir 105cdf0e10cSrcweir #endif // _GRFCACHE_HXX 106