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// Copyright (c) 1995-2010 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef SERVER_H
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#define SERVER_H
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#include <e32base.h>
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#include <f32file.h>
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#include <fbs.h>
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#include <sgresource/sgimage.h>
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#include "UTILS.H"
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#include "FBSMBMC.H"
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#include "FbsMessage.H"
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#include "glyphatlas.h"
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class CFbTop;
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class CFbsBackgroundCompression;
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class CFbsBackgroundCompressionQueueElement;
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class TOpenFontGlyphData;
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NONSHARABLE_CLASS(CFontObject): public CObject
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/**
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@internalComponent
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*/
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{
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public:
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CFontObject(CFontStore* aFontStore, CGlyphAtlas* aGlyphAtlas);
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~CFontObject();
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public:
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CBitmapFont* iAddressPointer;
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CFontStore* iFontStore;
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TInt iHeightInTwips;
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CGlyphAtlas* iGlyphAtlas;
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};
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NONSHARABLE_CLASS(CBitmapObject): public CObject
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/**
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Provides reference counting facilities for bitmaps managed by CFbTop.
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@internalComponent
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*/
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{
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friend class CFbsBackgroundCompression;
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friend class CFbsBackgroundCompressionQueueElement;
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protected:
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CBitmapObject(CFbTop& aFbTop, CBitwiseBitmap* aBmp);
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void ConstructL(TBool aReplacement);
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public:
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static CBitmapObject* NewL(CFbTop& aFbTop, CBitwiseBitmap* aBmp, TBool aReplacement);
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~CBitmapObject();
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inline CBitwiseBitmap* Address() const;
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inline TInt Handle() const;
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inline CBitmapObject* CleanBitmap() const;
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inline TBool IsInCompressionQueue() const;
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void SetCleanBitmap(CBitmapObject* aNewBmpObj);
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virtual void Close();
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static TInt Compare(const CBitmapObject& aBmpObj1, const CBitmapObject& aBmpObj2);
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static TInt Compare(const TInt* aHandle, const CBitmapObject& aBmpObj);
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protected:
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CFbTop* iFbTop;
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private:
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CBitwiseBitmap* iAddressPointer;
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TInt iHandle;
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CBitmapObject* iCleanBitmap;
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CFbsBackgroundCompressionQueueElement* iCompressionQueueElement;
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};
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NONSHARABLE_CLASS(CSharedBitmapObject): public CBitmapObject
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/**
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Provides reference counting facilities for shared bitmaps managed by CFbTop.
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Shared bitmaps are only loaded once. They are uniquely identified by the
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combination of the filename, bitmap ID and last modified time of the file.
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@internalComponent
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*/
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{
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friend class CHashMap;
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private:
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CSharedBitmapObject(CFbTop& aFbTop, CBitwiseBitmap* aBmp, TDesC* aKey);
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void ConstructL(TUint aHash);
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public:
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static CSharedBitmapObject* NewL(CFbTop& aFbTop, CBitwiseBitmap* aBmp, TDesC* aKey, TUint aHash);
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~CSharedBitmapObject();
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static HBufC* KeyLC(const TDesC& aFileName, TInt aId, const TTime& aModTime);
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private:
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TDesC* iKey;
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mutable CSharedBitmapObject* iNext; // Next object in a linked list
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};
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NONSHARABLE_CLASS(CFontBitmapServer): public CPolicyServer
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/**
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@internalComponent
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*/
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{
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public:
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CFontBitmapServer();
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~CFontBitmapServer();
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static CFontBitmapServer* NewL();
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CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const;
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TInt Init();
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#ifdef _DEBUG
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void ProcMessage(const RMessage2& aMessage, TInt aSession, TInt& aRet);
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#else
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void ProcMessage(const RMessage2& aMessage, TInt aSession);
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#endif
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CFbTop* TopLevelStore();
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private:
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void ConstructL();
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void GetHeapSizesL(const RMessage2& aMessage);
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TInt HandleMesgTypefaceSupport(const RMessage2& aMessage, TBool& aClientPanicRequired);
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TInt HandleMesgFontHeight(const RMessage2& aMessage, TBool aInTwips);
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protected:
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TUint iConnectionId;
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CFbTop* iTopLevelStore;
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};
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class TFontFileIndex
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/**
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@internalComponent
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*/
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{
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public:
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TUid iUid;
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TInt iAccessCount;
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};
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class CFbClient;
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NONSHARABLE_CLASS(TFbClientHelper): public TDblQueLink
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/**
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@internalComponent
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*/
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{
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public:
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inline TFbClientHelper(CFbClient& aClient);
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public:
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CFbClient& iClient;
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RMessagePtr2 iMessage;
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TBool iDirty;
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};
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NONSHARABLE_CLASS(CFbClient): public CSession2
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/**
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@internalComponent
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*/
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{
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public:
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static CFbClient* NewL(RHeap* aHeap);
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~CFbClient();
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void Init(TUint aConnectionHandle);
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void CreateL();
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CFontBitmapServer* FontBitmapServer();
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CFbTop* TopLevelStore();
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void CopyFontInfo(CFontObject* aFontObjPtr,TInt aHandle,TFontInfo& aFontInfo);
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void ServiceL(const RMessage2& aMessage);
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void ProcFontMessage(const RMessage2& aMessage);
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void ProcBitmapMessage(const RMessage2& aMessage);
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void NotifyDirtyBitmap(CBitmapObject& aBmpObj);
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void AddFontFileIndexL(TUid aId);
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void RemoveFontFileIndex(TUid aId);
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void Disconnect(const RMessage2 &aMessage);
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#ifdef _DEBUG
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void ProcMemMessage (const RMessage2& aMessage);
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void ProcAtlasMessage (const RMessage2& aMessage);
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#endif
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private:
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void ConstructL();
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CFbClient(RHeap* aHeap);
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TInt HandleMesgFontDuplicate(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgGetNearestFont(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgGetFontById(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt CopyFontInfoIntoReturnMessage(const RMessage2& aMessage, TBool& aPanicRequired, CFontObject* aFontObj, TInt iWritePosition);
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TInt HandleMesgAddOrInstallFontFile(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgRemoveFontFile(const RMessage2& aMessage);
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TInt HandleMesgRasterize(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgFaceAttrib(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgHasCharacter(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgShapeText(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgShapeDelete(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgGetFontTable(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgGetGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgReleaseGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgReleaseFontTable(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgGetGlyphs(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgGetGlyphMetrics(const RMessage2& aMessage, TBool& aPanicRequired);
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TInt HandleMesgOogmStatus(const RMessage2& aMessage);
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void HandleMesgGlyphCacheMetrics(const RMessage2& aMessage);
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protected:
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TUint iConnectionHandle;
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CObjectIx* iIx;
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TInt iResourceCount;
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CArrayFixFlat<TFontFileIndex>* iFontFileIndex;
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RHeap* iHeap; // the heap containing iOpenFontGlyphData
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TOpenFontGlyphData* iOpenFontGlyphData; // the metrics and bitmap, in shared memory, of the last character rasterized
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TInt iSessionHandle; // used to identify client-specific glyph caches for the new font system
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TFbClientHelper* iHelper; // used to notify client of any bitmap becoming dirty
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private:
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RBuf16 iTextToShape; // buffer used to hold incoming text that needs shaping
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RArray<RSgImage> iGlyphImagesInTransit; // last glyph images retrieved from glyph atlas
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#ifdef _DEBUG
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TBool iOwnHeapCheck; //for the process heap - current state
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TBool iHeapCheck; //for iHeap - current state
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TBool iOwnHeapCheckFlip; //for the process heap - to switch the current state
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TBool iHeapCheckFlip; //for iHeap - used to switch the current state
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TInt iOwnHeapFailNumber; //the number for the memory fail to be set to. -1: don't set.
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TInt iSharedHeapFailNumber; //the number for the memory fail to be set to. -1 don't set
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TInt iRet;
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TInt iFontDuplicateToFail; //when this is set calls to HandleMesgFontDuplicate() fail for the class.
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#endif
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};
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NONSHARABLE_CLASS(CFbActiveScheduler): public CActiveScheduler
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/**
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@internalComponent
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*/
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{
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public:
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CFbActiveScheduler();
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virtual void Error(TInt anError) const;
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};
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class CFontStore;
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NONSHARABLE_CLASS(CHashMap): public CBase
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/**
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A HashMap data structure for storing pointers to CSharedBitmapObjects.
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Provides fast insert/lookup/removal based on a key.
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@internalComponent
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*/
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{
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public:
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CHashMap();
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~CHashMap();
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void Insert(CSharedBitmapObject& aBmpObj, TUint aHash);
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CSharedBitmapObject* Lookup(const TDesC& aKey, TUint aHash) const;
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TInt Remove(const CSharedBitmapObject& aBmpObj);
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static TUint Hash(const TDesC16& aKey);
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private:
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CSharedBitmapObject* iHashTable[1<<KFBSERVSharedBitmapHashTableSizeInBits]; // Array of pointers to singularly linked lists. Linked list elements are CSharedBitmapObjects.
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TInt iTableSize;
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TInt iMask;
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};
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IMPORT_C extern const TInt KFbServSharedHeapMaxSize;
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IMPORT_C extern const TInt KFbServGlyphAtlasCacheLimit;
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NONSHARABLE_CLASS(CFbTop): public CBase
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/**
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@internalComponent
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*/
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{
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friend class CFontBitmapServer;
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friend class CBitmapObject;
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friend class CSharedBitmapObject;
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public:
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~CFbTop();
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static CFbTop* NewL();
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TInt GetNearestFont(CFontObject*& aFontObjPtr, TFbsMessage aMessage, const TFontSpec& aFontSpec, TInt aMaxHeight = 0);
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TInt GetFontById(CFontObject*& aFontObjPtr,TUid aUid,const TAlgStyle& aAlgStyle);
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CBitmapObject* CreateBitmapL(const TSize& aSize, TDisplayMode aDispMode, TUid aUid, TBool aReplacement, TInt aDataSize = 0);
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CBitmapObject* LoadBitmapL(const TDesC& aFilename, TInt32 aId, TUint aFileOffset,RFile* aFile, TInt aSessionHandle);
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CSharedBitmapObject* ShareBitmapL(TDes& aFilename, TInt32 aId, TUint aFileOffset,RFile* aFile, TInt aSessionHandle);
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TInt GetCleanBitmap(CBitmapObject*& aBmpObjPtr);
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CBitmapObject* FindBitmap(TInt aHandle);
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TBool ValidFontHandle(TInt aHandle);
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CFontStore* FontStore() const;
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RHeap* Heap() const;
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CChunkPile* Pile() const;
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TInt HeapBase() const;
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void SetFontNameAliasL(const RMessage2& aMessage);
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void SetDefaultLanguageForMetrics(const RMessage2& aMessage);
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inline CFbsBackgroundCompression* BackgroundCompression() const;
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void CloseFileStores(TInt aSessionHandle);
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void SetSystemDefaultTypefaceName(const TDesC& aFontTypefaceName);
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TInt GetAllBitmapHandles(const RMessage2& aMessage) const;
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inline RFs& FileSession();
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void AddClientHelper(TFbClientHelper& aHelper);
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void NotifyDirtyBitmap(CBitmapObject& aBmpObj, CFbClient* aClient);
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TInt BitmapConUniqueID() const;
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TInt FontConUniqueID() const;
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CGlyphAtlas* GlyphAtlas() const;
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private:
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CFbTop();
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void ConstructL();
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CBitwiseBitmap* DoLoadBitmapLC(const TDesC& aFilename, TInt32 aId, TUint aFileOffset, RFile* aFile, TInt aSessionHandle);
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void LoadOpenFontLibraries();
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void SafeInstallOfRasterizerL(TUid aInterfaceImplUid);
|
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|
309 |
TInt FindFontNameAlias(const TDesC& aAlias);
|
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|
310 |
void LoadShaperFactories();
|
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|
311 |
void SafeInstallOfShaperFactoryL(TUid aInterfaceImplUid);
|
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|
312 |
TInt GetFontObjectFromFont(CFontObject*& aFontObjPtr, CFont* aFont);
|
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|
313 |
TInt GetNearestNonAliasedFont(CFont*& aFont, TFbsMessage aMessage, const TFontSpec& aFontSpec, TInt aMaxHeight);
|
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|
314 |
private:
|
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|
315 |
RFs iFilesys;
|
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|
316 |
CFontStore* iFontStore;
|
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|
317 |
CObjectCon* iBitmapCon;
|
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|
318 |
CObjectCon* iFontCon;
|
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|
319 |
CObjectConIx* iConIx;
|
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|
320 |
RHeap* iHeap;
|
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|
321 |
RChunk iChunk;
|
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|
322 |
RChunk iLargeBitmapChunk;
|
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|
323 |
RMutex iDebugMutex; // used only in builds with SYMBIAN_DEBUG_FBS_LOCKHEAP defined
|
sl@0
|
324 |
CChunkPile* iPile;
|
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|
325 |
RPointerArray<HBufC> iFontNameAlias;
|
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|
326 |
RPointerArray<CBitmapObject> iBitmapObjectIndex;
|
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|
327 |
CHashMap iSharedBitmapObjectHashMap;
|
sl@0
|
328 |
CFbTopStreamIdCache* iMBMCache;
|
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|
329 |
TLanguage iDefaultLanguageForMetrics;
|
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|
330 |
CFbsBackgroundCompression* iBackgroundCompression;
|
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|
331 |
TBuf<KMaxTypefaceNameLength> iSystemDefaultFontTypefaceName;
|
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|
332 |
TDblQue<TFbClientHelper> iClientHelpers;
|
sl@0
|
333 |
TInt64 iNextAvailableSerialNumber;
|
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|
334 |
CGlyphAtlas* iGlyphAtlas;
|
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|
335 |
};
|
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|
336 |
|
sl@0
|
337 |
inline CBitwiseBitmap* CBitmapObject::Address() const
|
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|
338 |
{
|
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|
339 |
return iAddressPointer;
|
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|
340 |
}
|
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|
341 |
|
sl@0
|
342 |
inline TInt CBitmapObject::Handle() const
|
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|
343 |
{
|
sl@0
|
344 |
return iHandle;
|
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|
345 |
}
|
sl@0
|
346 |
|
sl@0
|
347 |
inline CBitmapObject* CBitmapObject::CleanBitmap() const
|
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|
348 |
{
|
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|
349 |
return iCleanBitmap;
|
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|
350 |
}
|
sl@0
|
351 |
|
sl@0
|
352 |
inline TBool CBitmapObject::IsInCompressionQueue() const
|
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|
353 |
{
|
sl@0
|
354 |
return iCompressionQueueElement != NULL;
|
sl@0
|
355 |
}
|
sl@0
|
356 |
|
sl@0
|
357 |
inline TFbClientHelper::TFbClientHelper(CFbClient& aClient)
|
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|
358 |
: iClient(aClient), iDirty(EFalse)
|
sl@0
|
359 |
{}
|
sl@0
|
360 |
|
sl@0
|
361 |
inline CFbsBackgroundCompression* CFbTop::BackgroundCompression() const
|
sl@0
|
362 |
{
|
sl@0
|
363 |
__ASSERT_DEBUG(iBackgroundCompression != NULL, User::Invariant());
|
sl@0
|
364 |
return iBackgroundCompression;
|
sl@0
|
365 |
}
|
sl@0
|
366 |
|
sl@0
|
367 |
/**
|
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|
368 |
It returns the file session handle.
|
sl@0
|
369 |
|
sl@0
|
370 |
@internalComponent
|
sl@0
|
371 |
*/
|
sl@0
|
372 |
inline RFs& CFbTop::FileSession()
|
sl@0
|
373 |
{
|
sl@0
|
374 |
return iFilesys;
|
sl@0
|
375 |
}
|
sl@0
|
376 |
|
sl@0
|
377 |
#endif // SERVER_H
|
sl@0
|
378 |
|