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fbs/fontandbitmapserver/sfbs/SERVER.H
changeset 187 9f66f99ee56f
parent 103 2717213c588a
equal deleted inserted replaced
103:2717213c588a 187:9f66f99ee56f 
     1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
 
     1 // Copyright (c) 1995-2010 Nokia Corporation and/or its subsidiary(-ies).
 
     2 // All rights reserved.
 
     2 // All rights reserved.
 
     3 // This component and the accompanying materials are made available
 
     3 // This component and the accompanying materials are made available
 
     4 // under the terms of "Eclipse Public License v1.0"
 
     4 // under the terms of "Eclipse Public License v1.0"
 
     5 // which accompanies this distribution, and is available
 
     5 // which accompanies this distribution, and is available
 
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
 
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
 
    11 // Contributors:
 
    11 // Contributors:
 
    12 //
 
    12 //
 
    13 // Description:
 
    13 // Description:
 
    14 //
 
    14 //
 
    15 
    15 
    16 #ifndef __FBSERV_H__
 
    16 #ifndef SERVER_H
 
    17 #define __FBSERV_H__
 
    17 #define SERVER_H
 
    18 
    18 
    19 #include <e32base.h>
 
    19 #include <e32base.h>
 
    20 #include <f32file.h>
 
    20 #include <f32file.h>
 
    21 #include <fbs.h>
 
    21 #include <fbs.h>
 
       
    22 #include <sgresource/sgimage.h>
 
    22 #include "UTILS.H"
 
    23 #include "UTILS.H"
 
    23 #include "FBSMBMC.H"
 
    24 #include "FBSMBMC.H"
 
    24 #include "FbsMessage.H"
 
    25 #include "FbsMessage.H"
 
       
    26 #include "glyphatlas.h"
 
    25 
    27 
    26 class CFbTop;
 
    28 class CFbTop;
 
    27 class CFbsBackgroundCompression;
 
    29 class CFbsBackgroundCompression;
 
    28 class CFbsBackgroundCompressionQueueElement;
 
    30 class CFbsBackgroundCompressionQueueElement;
 
    29 class TOpenFontGlyphData;
 
    31 class TOpenFontGlyphData;
 
    30 
    32 
       
    33 
    31 NONSHARABLE_CLASS(CFontObject): public CObject
 
    34 NONSHARABLE_CLASS(CFontObject): public CObject
 
    32 /**
 
    35 /**
 
    33 @internalComponent
 
    36 @internalComponent
 
    34 */
 
    37 */
 
    35 	{
 
    38 	{
 
    36 public:
 
    39 public:
 
    37 	CFontObject(CFontStore* aFontStore);
 
    40 	CFontObject(CFontStore* aFontStore, CGlyphAtlas* aGlyphAtlas);
 
    38 	~CFontObject();
 
    41 	~CFontObject();
 
    39 public:
 
    42 public:
 
    40 	CBitmapFont* iAddressPointer;
 
    43 	CBitmapFont* iAddressPointer;
 
    41 	CFontStore* iFontStore;
 
    44 	CFontStore* iFontStore;
 
    42 	TInt iHeightInTwips;
 
    45 	TInt iHeightInTwips;
 
       
    46 	CGlyphAtlas* iGlyphAtlas;
 
    43 	};
 
    47 	};
 
    44 
    48 
    45 NONSHARABLE_CLASS(CBitmapObject): public CObject
 
    49 NONSHARABLE_CLASS(CBitmapObject): public CObject
 
    46 /**
 
    50 /**
 
    47 Provides reference counting facilities for bitmaps managed by CFbTop.
 
    51 Provides reference counting facilities for bitmaps managed by CFbTop.
 
   111 	void ProcMessage(const RMessage2& aMessage, TInt aSession);
 
   115 	void ProcMessage(const RMessage2& aMessage, TInt aSession);
 
   112 #endif	
   116 #endif	
   113 	CFbTop* TopLevelStore();
 
   117 	CFbTop* TopLevelStore();
 
   114 
   118 
   115 private:
 
   119 private:
 
       
   120 	void ConstructL();
 
   116 	void GetHeapSizesL(const RMessage2& aMessage);
 
   121 	void GetHeapSizesL(const RMessage2& aMessage);
 
   117 	TInt HandleMesgTypefaceSupport(const RMessage2& aMessage, TBool& aClientPanicRequired);
 
   122 	TInt HandleMesgTypefaceSupport(const RMessage2& aMessage, TBool& aClientPanicRequired);
 
   118 	TInt HandleMesgFontHeight(const RMessage2& aMessage, TBool aInTwips);
 
   123 	TInt HandleMesgFontHeight(const RMessage2& aMessage, TBool aInTwips);
 
   119 
   124 
   120 protected:
 
   125 protected:
 
   169 	void AddFontFileIndexL(TUid aId);
 
   174 	void AddFontFileIndexL(TUid aId);
 
   170 	void RemoveFontFileIndex(TUid aId);
 
   175 	void RemoveFontFileIndex(TUid aId);
 
   171 	void Disconnect(const RMessage2 &aMessage);
 
   176 	void Disconnect(const RMessage2 &aMessage);
 
   172 #ifdef _DEBUG
 
   177 #ifdef _DEBUG
 
   173 	void ProcMemMessage (const RMessage2& aMessage);
 
   178 	void ProcMemMessage (const RMessage2& aMessage);
 
       
   179 	void ProcAtlasMessage (const RMessage2& aMessage);
 
   174 #endif	
   180 #endif	
   175 private:
 
   181 private:
 
       
   182 	void ConstructL();
 
   176 	CFbClient(RHeap* aHeap);
 
   183 	CFbClient(RHeap* aHeap);
 
   177 	TInt HandleMesgFontDuplicate(const RMessage2& aMessage, TBool& aPanicRequired);
 
   184 	TInt HandleMesgFontDuplicate(const RMessage2& aMessage, TBool& aPanicRequired);
 
   178 	TInt HandleMesgGetNearestFont(const RMessage2& aMessage, TBool& aPanicRequired);
 
   185 	TInt HandleMesgGetNearestFont(const RMessage2& aMessage, TBool& aPanicRequired);
 
   179 	TInt HandleMesgGetFontById(const RMessage2& aMessage, TBool& aPanicRequired);
 
   186 	TInt HandleMesgGetFontById(const RMessage2& aMessage, TBool& aPanicRequired);
 
   180 	TInt CopyFontInfoIntoReturnMessage(const RMessage2& aMessage, TBool& aPanicRequired, CFontObject* aFontObj, TInt iWritePosition);
 
   187 	TInt CopyFontInfoIntoReturnMessage(const RMessage2& aMessage, TBool& aPanicRequired, CFontObject* aFontObj, TInt iWritePosition);
 
   187 	TInt HandleMesgShapeDelete(const RMessage2& aMessage, TBool& aPanicRequired);
 
   194 	TInt HandleMesgShapeDelete(const RMessage2& aMessage, TBool& aPanicRequired);
 
   188 	TInt HandleMesgGetFontTable(const RMessage2& aMessage, TBool& aPanicRequired);
 
   195 	TInt HandleMesgGetFontTable(const RMessage2& aMessage, TBool& aPanicRequired);
 
   189 	TInt HandleMesgGetGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired);
 
   196 	TInt HandleMesgGetGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired);
 
   190 	TInt HandleMesgReleaseGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired);
 
   197 	TInt HandleMesgReleaseGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired);
 
   191 	TInt HandleMesgReleaseFontTable(const RMessage2& aMessage, TBool& aPanicRequired);
 
   198 	TInt HandleMesgReleaseFontTable(const RMessage2& aMessage, TBool& aPanicRequired);
 
       
   199 	TInt HandleMesgGetGlyphs(const RMessage2& aMessage, TBool& aPanicRequired);
 
       
   200 	TInt HandleMesgGetGlyphMetrics(const RMessage2& aMessage, TBool& aPanicRequired);
 
       
   201 	TInt HandleMesgOogmStatus(const RMessage2& aMessage);
 
       
   202 	void HandleMesgGlyphCacheMetrics(const RMessage2& aMessage);
 
   192 
   203 
   193 protected:
 
   204 protected:
 
   194 	TUint iConnectionHandle;
 
   205 	TUint iConnectionHandle;
 
   195 	CObjectIx* iIx;
 
   206 	CObjectIx* iIx;
 
   196 	TInt iResourceCount;
 
   207 	TInt iResourceCount;
 
   200 	TInt iSessionHandle;					// used to identify client-specific glyph caches for the new font system
 
   211 	TInt iSessionHandle;					// used to identify client-specific glyph caches for the new font system
 
   201 	TFbClientHelper* iHelper;				// used to notify client of any bitmap becoming dirty
 
   212 	TFbClientHelper* iHelper;				// used to notify client of any bitmap becoming dirty
 
   202 
   213 
   203 private:
 
   214 private:
 
   204 	RBuf16 iTextToShape;						// buffer used to hold incoming text that needs shaping
 
   215 	RBuf16 iTextToShape;						// buffer used to hold incoming text that needs shaping
 
       
   216 	RArray<RSgImage> iGlyphImagesInTransit;	// last glyph images retrieved from glyph atlas
 
   205 #ifdef _DEBUG	
   217 #ifdef _DEBUG	
   206 	TBool iOwnHeapCheck; //for the process heap - current state
 
   218 	TBool iOwnHeapCheck; //for the process heap - current state
 
   207 	TBool iHeapCheck;	//for iHeap - current state
 
   219 	TBool iHeapCheck;	//for iHeap - current state
 
   208 	TBool iOwnHeapCheckFlip; //for the process heap - to switch the current state
 
   220 	TBool iOwnHeapCheckFlip; //for the process heap - to switch the current state
 
   209 	TBool iHeapCheckFlip;	//for iHeap - used to switch the current state
 
   221 	TBool iHeapCheckFlip;	//for iHeap - used to switch the current state
 
   248 	TInt iMask;
 
   260 	TInt iMask;
 
   249 	};
 
   261 	};
 
   250 
   262 
   251 
   263 
   252 IMPORT_C extern const TInt KFbServSharedHeapMaxSize;
 
   264 IMPORT_C extern const TInt KFbServSharedHeapMaxSize;
 
       
   265 IMPORT_C extern const TInt KFbServGlyphAtlasCacheLimit;
 
   253 
   266 
   254 
   267 
   255 NONSHARABLE_CLASS(CFbTop): public CBase
 
   268 NONSHARABLE_CLASS(CFbTop): public CBase
 
   256 /**
 
   269 /**
 
   257 @internalComponent
 
   270 @internalComponent
 
   269 	CBitmapObject* LoadBitmapL(const TDesC& aFilename, TInt32 aId, TUint aFileOffset,RFile* aFile, TInt aSessionHandle);
 
   282 	CBitmapObject* LoadBitmapL(const TDesC& aFilename, TInt32 aId, TUint aFileOffset,RFile* aFile, TInt aSessionHandle);
 
   270 	CSharedBitmapObject* ShareBitmapL(TDes& aFilename, TInt32 aId, TUint aFileOffset,RFile* aFile, TInt aSessionHandle);
 
   283 	CSharedBitmapObject* ShareBitmapL(TDes& aFilename, TInt32 aId, TUint aFileOffset,RFile* aFile, TInt aSessionHandle);
 
   271 	TInt GetCleanBitmap(CBitmapObject*& aBmpObjPtr);
 
   284 	TInt GetCleanBitmap(CBitmapObject*& aBmpObjPtr);
 
   272 	CBitmapObject* FindBitmap(TInt aHandle);
 
   285 	CBitmapObject* FindBitmap(TInt aHandle);
 
   273 	TBool ValidFontHandle(TInt aHandle);
 
   286 	TBool ValidFontHandle(TInt aHandle);
 
   274 	TBool ValidBitmapFont(TInt aHandle);
 
       
   275 	CFontStore* FontStore() const;
 
   287 	CFontStore* FontStore() const;
 
   276 	RHeap* Heap() const;
 
   288 	RHeap* Heap() const;
 
   277 	CChunkPile* Pile() const;
 
   289 	CChunkPile* Pile() const;
 
   278 	TInt HeapBase() const;
 
   290 	TInt HeapBase() const;
 
   279 	void SetFontNameAliasL(const RMessage2& aMessage);
 
   291 	void SetFontNameAliasL(const RMessage2& aMessage);
 
   285 	inline RFs& FileSession();
 
   297 	inline RFs& FileSession();
 
   286 	void AddClientHelper(TFbClientHelper& aHelper);
 
   298 	void AddClientHelper(TFbClientHelper& aHelper);
 
   287 	void NotifyDirtyBitmap(CBitmapObject& aBmpObj, CFbClient* aClient);
 
   299 	void NotifyDirtyBitmap(CBitmapObject& aBmpObj, CFbClient* aClient);
 
   288 	TInt BitmapConUniqueID() const;
 
   300 	TInt BitmapConUniqueID() const;
 
   289 	TInt FontConUniqueID() const;
 
   301 	TInt FontConUniqueID() const;
 
       
   302 	CGlyphAtlas* GlyphAtlas() const;
 
   290 private:
 
   303 private:
 
   291 	CFbTop();
 
   304 	CFbTop();
 
   292 	void ConstructL();
 
   305 	void ConstructL();
 
   293 	CBitwiseBitmap* DoLoadBitmapLC(const TDesC& aFilename, TInt32 aId, TUint aFileOffset, RFile* aFile, TInt aSessionHandle);
 
   306 	CBitwiseBitmap* DoLoadBitmapLC(const TDesC& aFilename, TInt32 aId, TUint aFileOffset, RFile* aFile, TInt aSessionHandle);
 
   294 	void LoadOpenFontLibraries();
 
   307 	void LoadOpenFontLibraries();
 
   295 	void SafeInstallOfRasterizerL(TUid aInterfaceImplUid);
 
   308 	void SafeInstallOfRasterizerL(TUid aInterfaceImplUid);
 
   296 	TInt FindFontNameAlias(const TDesC& aAlias);
 
   309 	TInt FindFontNameAlias(const TDesC& aAlias);
 
   297 	void LoadShaperFactories();
 
   310 	void LoadShaperFactories();
 
   298 	void SafeInstallOfShaperFactoryL(TUid aInterfaceImplUid);
 
   311 	void SafeInstallOfShaperFactoryL(TUid aInterfaceImplUid);
 
   299 	TInt CreateFontObjectFromFont(CFontObject*& aFontObjPtr, CFont* aFont);
 
   312 	TInt GetFontObjectFromFont(CFontObject*& aFontObjPtr, CFont* aFont);
 
   300 	TInt GetNearestNonAliasedFont(CFont*& aFont, TFbsMessage aMessage, const TFontSpec&	aFontSpec, TInt	aMaxHeight);
 
   313 	TInt GetNearestNonAliasedFont(CFont*& aFont, TFbsMessage aMessage, const TFontSpec&	aFontSpec, TInt	aMaxHeight);
 
   301 private:
 
   314 private:
 
   302 	RFs iFilesys;
 
   315 	RFs iFilesys;
 
   303 	CFontStore* iFontStore;
 
   316 	CFontStore* iFontStore;
 
   304 	CObjectCon* iBitmapCon;
 
   317 	CObjectCon* iBitmapCon;
 
   316 	TLanguage iDefaultLanguageForMetrics;
 
   329 	TLanguage iDefaultLanguageForMetrics;
 
   317 	CFbsBackgroundCompression* iBackgroundCompression;
 
   330 	CFbsBackgroundCompression* iBackgroundCompression;
 
   318 	TBuf<KMaxTypefaceNameLength> iSystemDefaultFontTypefaceName;
 
   331 	TBuf<KMaxTypefaceNameLength> iSystemDefaultFontTypefaceName;
 
   319 	TDblQue<TFbClientHelper> iClientHelpers;
 
   332 	TDblQue<TFbClientHelper> iClientHelpers;
 
   320 	TInt64 iNextAvailableSerialNumber;
 
   333 	TInt64 iNextAvailableSerialNumber;
 
       
   334 	CGlyphAtlas* iGlyphAtlas;
 
   321 	};
 
   335 	};
 
   322 
   336 
   323 inline CBitwiseBitmap* CBitmapObject::Address() const
 
   337 inline CBitwiseBitmap* CBitmapObject::Address() const
 
   324 	{
 
   338 	{
 
   325 	return iAddressPointer;
 
   339 	return iAddressPointer;
 
   358 inline RFs& CFbTop::FileSession()
 
   372 inline RFs& CFbTop::FileSession()
 
   359 	{
 
   373 	{
 
   360 	return iFilesys;
 
   374 	return iFilesys;
 
   361 	}
 
   375 	}
 
   362 
   376 
   363 #endif
 
   377 #endif // SERVER_H
 
   364 
   378
FCL/sf/os/graphics