MCL/sf/os/graphics: comparison fbs/fontandbitmapserver/sfbs/FBSCLI.CPP

equal deleted inserted replaced

-:bbf46f59e123
+:25ffed67c7ef
 //
 #include <fntstore.h>
 #include <bitmap.h>
 #include <openfont.h>
-#include <graphics/fbsoogmmessage.h>
+#include "fbsmessage.h"
-#include "FbsMessage.H"
 #include "SERVER.H"
 #include "BackGroundCompression.h"
 #include <shapeinfo.h>
 #include <graphics/shaperparams.h>
-#include "glyphatlas.h"
 #include "OstTraceDefinitions.h"
 #include "fbstrace.h"
 #ifdef OST_TRACE_COMPILER_IN_USE
 #include "FBSCLITraces.h"
 #endif
-/**
-Bitwise mask that sets the MSB to indicate to a font rasterizer
-that a code is a glyphcode and not a character code
-*/
-const TUint32 KTreatAsGlyphCodeFlag = 1UL << 31;
 /** Helper function for converting a pointer to an offset from the passed
 heap base. Use OffsetToPointer() to convert the returned offset back to a
 useable pointer.
 @param aAny A pointer to be converted to an offset.
 back to a pointer using the function OffsetToPointer().
 @see OffsetToPointer()
 */
 LOCAL_C TInt PointerToOffset(const TAny* aAny, TInt aHeapBase)
 	{
-	TInt offset = 0;
 	if (aAny && aHeapBase)
 		{
-		offset = reinterpret_cast<TInt>(aAny) - aHeapBase;
+		return reinterpret_cast<TInt>(aAny) - aHeapBase;
 		}
-	return offset;
+	return 0;
 	}
 /** Helper function for converting an offset (that was calculated using
 PointerToOffset()) back to a pointer relative to the passed heap base.
 @param aOffset The offset to be converted to a pointer.
 	return NULL;
 	}
 CFbClient::CFbClient(RHeap* aHeap):
 	CSession2(),
+	iConnectionHandle(0),
+	iIx(NULL),
+	iResourceCount(0),
 	iHeap(aHeap)
 #ifdef _DEBUG
 	,iOwnHeapFailNumber(-1),
 	iSharedHeapFailNumber(-1)
 #endif
 	{
 	}
 CFbClient* CFbClient::NewL(RHeap* aHeap)
 	{
-	CFbClient* self = new (ELeave) CFbClient(aHeap);
+	CFbClient* c = new(ELeave) CFbClient(aHeap);
-	CleanupStack::PushL(self);
+	c->iOpenFontGlyphData = TOpenFontGlyphData::New(aHeap,4 * 1024);
-	self->ConstructL();
+	if (!c->iOpenFontGlyphData)
-	CleanupStack::Pop(); // self;
+		{
-	return self;
+		delete c;
-	}
-/**
-Two-phase constructor.
-@leave KErrNoMemory if TOpenFontGlyphData construction failed.
-*/
-void CFbClient::ConstructL()
-	{
-	iOpenFontGlyphData = TOpenFontGlyphData::New(iHeap, 4 * 1024);
-	if (!iOpenFontGlyphData)
-		{
 		User::Leave(KErrNoMemory);
 		}
+	return c;
 	}
 CFbClient::~CFbClient()
 	{
 	/*
 		{
 		font_store = fbTop->FontStore();
 		}
 	if (font_store)
-		{
 		font_store->DeleteSessionCache(iSessionHandle);
-		font_store->CleanupCacheOnFbsSessionTermination(iSessionHandle);
+	// If the font store doesn't exist, neither will the shared heap owned by FBSERV.
-		// If the font store doesn't exist, neither will the shared heap owned by FBSERV.
+	if (font_store)
 		iHeap->Free(iOpenFontGlyphData);
-		}
-	// delete fonts held by the client
+	// delete fonts hold by the client
 	delete iIx;
-	// delete font files held by the client
+	// delete font files hold by the client
-	if (iFontFileIndex)
+if (iFontFileIndex)
-		{
+{
-		TInt count = iFontFileIndex->Count();
+TInt count = iFontFileIndex->Count();
-		for (TInt index = 0;index < count; index++)
+for (TInt index = 0;index < count; index++)
-			{
+{
-			if (font_store)
+if (font_store)
-				{
+font_store->RemoveFile(iFontFileIndex->At(0).iUid);
-				font_store->RemoveFile(iFontFileIndex->At(0).iUid);
+iFontFileIndex->Delete(0);
-				}
+}
-			iFontFileIndex->Delete(0);
+delete iFontFileIndex;
-			}
+}
-		delete iFontFileIndex;
-		}
+	// Close the buffer used to hold the text thats needs shaping.
-	// Close the buffer used to hold the text that needs shaping.
 	iTextToShape.Close();
-	for (TInt i = iGlyphImagesInTransit.Count() - 1; i >= 0; --i)
-		{
-		iGlyphImagesInTransit[i].Close();
-		}
-	iGlyphImagesInTransit.Close();
 	}
 void CFbClient::Init(TUint aConnectionHandle)
 	{
 	iConnectionHandle=aConnectionHandle;
 CFbTop* CFbClient::TopLevelStore()
 	{
 	CFontBitmapServer* server = FontBitmapServer();
 	if (server)
-		{
 		return server->TopLevelStore();
-		}
 	else
-		{
 		return NULL;
-		}
 	}
 void CFbClient::CopyFontInfo(CFontObject* aFontObjPtr,TInt aHandle,TFontInfo& aFontInfo)
 	{
 	CBitmapFont* font=aFontObjPtr->iAddressPointer;
 	aFontInfo.iAddressOffset=TInt(font)-TopLevelStore()->HeapBase();
 	}
 void CFbClient::ServiceL(const RMessage2& aMessage)
 	{
 #ifdef _DEBUG
 	TBool resetOwnHeap=EFalse;
 	TBool resetSharedHeap=EFalse;
 	//the memory tests have been mostly written to have start and end memory
 	if (iHeapCheck)
 		{
 		__RHEAP_MARK(iHeap);
 		}
 #endif
-	//Call close on RSgImage handles being used to share glyph data with clients.
-	//The glyph images are held open to prevent the GlyphAtlas from closing them
-	//before a client can use them.
-	for (TInt i = iGlyphImagesInTransit.Count() - 1; i >= 0; --i)
-		{
-		iGlyphImagesInTransit[i].Close();
-		iGlyphImagesInTransit.Remove(i);
-		}
 	switch(aMessage.Function())
 		{
 // client messages
 	case EFbsMessInit:
 	case EFbsMessDefaultLanguageForMetrics:
 	case EFbsCompress:
 	case EFbsMessFetchLinkedTypeface:
 	case EFbsMessRegisterLinkedTypeface:
 	case EFbsMessUpdateLinkedTypeface:
 #ifdef _DEBUG
 		FontBitmapServer()->ProcMessage(aMessage,iSessionHandle,iRet);
 #else
 		FontBitmapServer()->ProcMessage(aMessage,iSessionHandle);
 #endif
 	case EFbsMessShapeText:
 	case EFbsMessShapeDelete:
 	case EFbsMessSetTwipsHeight:
 	case EFbsMessGetTwipsHeight:
 	case EFbsSetSystemDefaultTypefaceName:
-	case EFbsMessGetFontTable:
-	case EFbsMessReleaseFontTable:
-	case EFbsMessGetGlyphOutline:
-	case EFbsMessReleaseGlyphOutline:
 #if (_DEBUG)
 	case EFbsMessSetDuplicateFail:
 #endif
-	case EFbsMessGetGlyphs:
-	case EFbsMessGetGlyphMetrics:
 		ProcFontMessage(aMessage);
 		break;
 // bitmap messages
 	case EFbsMessBitmapCreate:
 	case EFbsMessBitmapResize:
 		ProcMemMessage(aMessage);
 #else
 		aMessage.Complete(KErrNone);
 #endif
 		break;
-// Glyph Atlas messages (debug-only)
-	case EFbsMessAtlasFontCount:
-	case EFbsMessAtlasGlyphCount:
-#ifdef _DEBUG
-		ProcAtlasMessage(aMessage);
-#else
-		aMessage.Complete(KErrNotSupported);
-#endif
-		break;
-case EFbsMessOogmNotification:
-aMessage.Complete( HandleMesgOogmStatus( aMessage ) );
-break;
-case EFbsMessGetGlyphCacheMetrics:
-HandleMesgGlyphCacheMetrics( aMessage );
-break;
-//No-op message
-	case EFbsMessNoOp:
-#ifdef _DEBUG
-		iRet = KErrNone;
-#endif
-		aMessage.Complete(KErrNone);
-		break;
 	default:
 		aMessage.Panic(KFBSERVPanicCategory,KErrArgument);
 		break;
 		}
 #ifdef _DEBUG
 */
 TInt CFbClient::HandleMesgFontDuplicate(const RMessage2& aMessage, TBool& aPanicRequired)
 	{
 #if _DEBUG
 	if (iFontDuplicateToFail)
-		{
 		return KErrNoMemory; //return with this error since this error is possible
-		}
 #endif
 	CFontObject* fontptr = (CFontObject*) aMessage.Int0();
 	if(!TopLevelStore()->ValidFontHandle((TInt)fontptr))
 		{
 		return KErrUnknown;
 		}
-	TPckgBuf<TFontInfo> fontinfo;
+	TPckgBuf<TFontInfo> foninfo;
 	TInt localhandle = 0;
 	TInt ret = fontptr->Open();
 	if (ret != KErrNone)
 		{
 		return ret;
 	if (ret != KErrNone)
 		{
 		fontptr->Close();
 		return ret;
 		}
-	CopyFontInfo(fontptr,localhandle,fontinfo());
+	CopyFontInfo(fontptr,localhandle,foninfo());
 	fontptr->iHeightInTwips = ((fontptr->iAddressPointer->HeightInPixels() * fontptr->iFontStore->iKPixelHeightInTwips) + 667) / 1000;
-	ret = aMessage.Write(1, fontinfo);
+	ret = aMessage.Write(1, foninfo);
 	if(ret != KErrNone)
 		{
 		iIx->Remove(localhandle);
 		aPanicRequired = ETrue;
 		return ret;
 	CFontObject* fontptr = NULL;
 	TPckgBuf<TFontSpec> pckgFontSpec;
 	TInt pckgMaxHeight;
 	TPckgBuf<TSizeInfo> info;
-	const TFbsMessage fbsMessage = static_cast<TFbsMessage>(aMessage.Function());
+	const TFbsMessage	fbsMessage = static_cast<TFbsMessage>(aMessage.Function());
 	TInt ret = aMessage.Read(0, pckgFontSpec);
 	TFontSpec& fontSpec = pckgFontSpec();
 	if (ret == KErrNone )
 		{
 		TInt length = fontSpec.iTypeface.iName.Length();
-		if((length < 0) || (length > TOpenFontFaceAttribBase::ENameLength))
+		if(length < 0 || length > TOpenFontFaceAttribBase::ENameLength)
 			{
 			aPanicRequired = ETrue;
 			return KErrArgument;
 			}
 		return ETrue;
 		}
 	return EFalse;
 	}
-/** Handler for EFbsMessGetGlyphs message.
-Reads a batch of up to KMaxGlyphBatchSize glyph codes, and on success returns
-the corresponding TGlyphImageInfo objects.
-@param aMessage input parameters
-@param aPanicRequired flag that is set if a client panic is required
-@return KErrNone if successful, otherwise any system-wide error code.
-*/
-TInt CFbClient::HandleMesgGetGlyphs(const RMessage2& aMessage, TBool& aPanicRequired)
-	{
-	CFbTop* fbtop = TopLevelStore();
-	// Previously requested glyphs were closed in ServiceL()
-	CGlyphAtlas* glyphAtlas = fbtop->GlyphAtlas();
-	if (!glyphAtlas)
-		{
-		return KErrNotSupported;
-		}
-	CFontObject* fontptr = static_cast<CFontObject*>(iIx->At(aMessage.Int0(), fbtop->FontConUniqueID()));
-	if(!fontptr)
-		{
-		aPanicRequired = ETrue;
-		return KErrBadHandle;
-		}
-	TUint glyphCodes[KMaxGlyphBatchSize];
-	TGlyphImageInfo glyphImageInfo[KMaxGlyphBatchSize];
-	TPckg<TUint[KMaxGlyphBatchSize]> glyphBatchPckg(glyphCodes);
-	TInt err = aMessage.Read(1, glyphBatchPckg);
-	if (err != KErrNone)
-		{
-		aPanicRequired = ETrue;
-		return err;
-		}
-	TInt glyphCodesCount = glyphBatchPckg.Length() / sizeof(TUint);
-	if (glyphCodesCount > KMaxGlyphBatchSize)
-		{
-		aPanicRequired = ETrue;
-		return KErrOverflow;
-		}
-	TInt glyphsProcessed = 0;
-	CBitmapFont* font = fontptr->iAddressPointer;
-	for (; (glyphsProcessed < glyphCodesCount); ++glyphsProcessed)
-		{
-		TUint32 glyphCode = glyphCodes[glyphsProcessed];
-		err = glyphAtlas->GetGlyph(*font, glyphCode, glyphImageInfo[glyphsProcessed]);
-		// Search for glyph in glyph atlas
-		if (KErrNone != err)
-			{
-			const TUint8* bitmapData = NULL;
-			TOpenFontCharMetrics metrics;
-			// search for glyph in font glyph cache and session cache.
-			if (!font->GetCharacterData(iSessionHandle, glyphCode | KTreatAsGlyphCodeFlag, metrics, bitmapData))
-				{
-				// Rasterize the glyph
-				if(!font->Rasterize(iSessionHandle, glyphCode | KTreatAsGlyphCodeFlag, iOpenFontGlyphData))
-					{
-					err = KErrNoMemory;
-					break;
-					}
-				metrics = *(iOpenFontGlyphData->Metrics());
-				bitmapData = iOpenFontGlyphData->BitmapPointer();
-				}
-			CGlyphAtlas::TAddGlyphArgs args(bitmapData, glyphCode, metrics);
-			err = glyphAtlas->AddGlyph(*font, args, glyphImageInfo[glyphsProcessed]);
-			}
-		if ((err == KErrNone) && (glyphImageInfo[glyphsProcessed].iImageId != KSgNullDrawableId))
-			{
-			// To prevent other threads closing the glyph image in the glyph atlas
-			// before client has had chance to open the drawable id, open a local
-			// handle to the glyph image for the session, which will be closed either
-			// next time a request is made or when EFbsMessCloseGlyphs is handled.
-			RSgImage glyphImage;
-			err = glyphImage.Open(glyphImageInfo[glyphsProcessed].iImageId);
-			if (err == KErrNone)
-				{
-				err = iGlyphImagesInTransit.Append(glyphImage);
-				}
-			}
-		// If an error occurred during this iteration, abort now before the glyphsProcessed
-		// counter is incremented, which would give one too many processed glyphs.
-		if (KErrNone != err)
-			{
-			break;
-			}
-		}
-	// Even if there was an error, if at least one glyph was processed successfully
-	// send that back to the client, and reset the error code.
-	if (glyphsProcessed > 0)
-		{
-		TPckg<TGlyphImageInfo[KMaxGlyphBatchSize]> glyphImageInfoPckg(glyphImageInfo);
-		glyphImageInfoPckg.SetLength(glyphsProcessed * sizeof(TGlyphImageInfo));
-		err = aMessage.Write(2, glyphImageInfoPckg);
-		if (err != KErrNone)
-			{
-			aPanicRequired = ETrue;
-			return err;
-			}
-		}
-	else
-		{
-		// No glyphs being returned, so an error code must be returned.
-		__ASSERT_DEBUG(err != KErrNone, User::Panic(KFBSERVPanicCategory, err));
-		}
-	return err;
-	}
-/**
-Handler for EFbsMessGetGlyphMetrics message.
-Reads an array of glyph codes, and returns the offset from the heap base for the
-corresponding metrics object.
-@pre The glyph codes have already been searched client-side in the font glyph
-	cache and the session cache.
-@param aMessage input parameters
-@param aPanicRequired flag that is set if a client panic is required
-@return KErrNone if successful, otherwise any system-wide error code.
-*/
-TInt CFbClient::HandleMesgGetGlyphMetrics(const RMessage2& aMessage, TBool& aPanicRequired)
-	{
-	CFbTop* fbtop = TopLevelStore();
-	CFontObject* fontptr = static_cast<CFontObject*>(iIx->At(aMessage.Int0(), fbtop->FontConUniqueID()));
-	if(!fontptr)
-		{
-		aPanicRequired = ETrue;
-		return KErrBadHandle;
-		}
-	TInt err = KErrNone;
-	TUint glyphCodes[KMaxMetricsBatchSize];
-	TPckg<TUint[KMaxMetricsBatchSize]> glyphBatchPckg(glyphCodes);
-	err = aMessage.Read(1, glyphBatchPckg);
-	if (err != KErrNone)
-		{
-		aPanicRequired = ETrue;
-		return err;
-		}
-	TInt numGlyphCodes = glyphBatchPckg.Length() / sizeof(TUint);
-	if (numGlyphCodes > KMaxMetricsBatchSize)
-		{
-		aPanicRequired = ETrue;
-		return KErrOverflow;
-		}
-	CBitmapFont* font = fontptr->iAddressPointer;
-	const TInt heapbase = fbtop->HeapBase();
-	TInt glyphProcessed;
-	TInt glyphMetricsOffsets[KMaxMetricsBatchSize];
-	for (glyphProcessed = 0; (glyphProcessed < numGlyphCodes) && (err == KErrNone); ++glyphProcessed)
-		{
-		if (font->Rasterize(iSessionHandle, glyphCodes[glyphProcessed] | KTreatAsGlyphCodeFlag, iOpenFontGlyphData))
-			{
-			// Convert all pointers to be passed back to the client to offsets from
-			// the heap base so that they can be recreated client side relative to the
-			// client's heap base
-			glyphMetricsOffsets[glyphProcessed] = PointerToOffset(iOpenFontGlyphData->Metrics(), heapbase);
-			}
-		else
-			{
-			err = KErrNoMemory;
-			}
-		}
-	if (err == KErrNone)
-		{
-		TPckg<TInt[KMaxMetricsBatchSize]> glyphMetricsOffsetsPckg(glyphMetricsOffsets);
-		glyphMetricsOffsetsPckg.SetLength(glyphProcessed * sizeof(TInt));
-		err = aMessage.Write(2, glyphMetricsOffsetsPckg);
-		if (err != KErrNone)
-			{
-			aPanicRequired = ETrue;
-			}
-		}
-	return err;
-	}
 /** Handler for EFbsMessFaceAttrib message
 @param aMessage Input and output parameters
 @param aPanicRequired Flag that is set to ETrue if a client panic is required
 @return ETrue if successful, EFalse or any system-wide error code if not successful.
 		aPanicRequired = ETrue;
 		return KErrArgument;
 		}
 	CBitmapFont* bitmapFont = fontptr->iAddressPointer;
-	TInt ret = EFalse;
 	TPckgBuf<TOpenFontFaceAttrib> package;
 	if ( (bitmapFont != NULL) && (bitmapFont->GetFaceAttrib(package())) )
 		{
-		ret = aMessage.Write(1,package);
+		TInt ret = aMessage.Write(1,package);
 		if (ret == KErrNone)
 			{
-			ret = ETrue;
+			return ETrue;
 			}
 		else
 			{
 			aPanicRequired = ETrue;
-			}
+			return ret;
-		}
+			}
-	return ret;
+		}
+	return EFalse;
 	}
 /** Handler for EFbsMessHasCharacter message
 @param aMessage Input parameters
 */
 TInt CFbClient::HandleMesgShapeText(const RMessage2& aMessage, TBool& aPanicRequired)
 	{
 	TInt error = KErrNone;
 	TShapeHeader* shape = 0;
+	TPckgBuf<TShapeMessageParameters> sp;
 	if (aMessage.GetDesLength(2) != sizeof(TShapeMessageParameters))
 		{
 		aPanicRequired = ETrue;
 		return KErrArgument;
 		}
 	if(!fontptr)
 		{
 		aPanicRequired = ETrue;
 		return KErrArgument;
 		}
+	CBitmapFont* bitmapFont = fontptr->iAddressPointer;
 	TInt inputTextLength = aMessage.GetDesLength(1);
 	if (inputTextLength < 0)
 		{
 		error = inputTextLength;
 		}
 	else
 		{
 		iTextToShape.Zero();
 		if (iTextToShape.MaxLength() < inputTextLength)
-			{
 			error = iTextToShape.ReAlloc(inputTextLength);
-			}
 		}
 	if (error == KErrNone)
 		{
 		error = aMessage.Read(1, iTextToShape);
 		if (error != KErrNone)
 			{
 			aPanicRequired = ETrue;
 			return error;
 			}
-		TPckgBuf<TShapeMessageParameters> sp;
 		error = aMessage.Read(2, sp);
 		if (error != KErrNone)
 			{
 			aPanicRequired = ETrue;
 			return error;
 			}
-		CBitmapFont* bitmapFont = fontptr->iAddressPointer;
 		TRAP(error, shape = bitmapFont->ShapeTextL(iTextToShape, iSessionHandle, sp()) );
 		if (error == KErrNone)
 			{
 			// Convert the pointer to be passed back to the client to an offset from
 			// the heap base so that it can be recreated client side relative to the
 	bitmapFont->DeleteShape(iSessionHandle,shapeheader);
 	return KErrNone;
 	}
-TInt CFbClient::HandleMesgReleaseGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired)
-	{
-	TInt ret = KErrNone;
-	CFbTop* fbtop = TopLevelStore();
-	TPckgBuf<TFBSGlyphOutlineParam> params;
-	ret = aMessage.Read(0, params);
-	if (KErrNone != ret)
-		{
-		aPanicRequired = ETrue;
-		return ret;
-		}
-	CFontObject* fontptr = static_cast<CFontObject*>(iIx->At(params().iHandle, fbtop->FontConUniqueID()));
-	if(!fontptr)
-		{
-		aPanicRequired = ETrue;
-		return KErrArgument;
-		}
-	CBitmapFont* bitmapFont = fontptr->iAddressPointer;
-	TInt count = params().iCount;
-	TUint *glyphCodes = (TUint *)User::Alloc(count * sizeof(TUint));
-	if (NULL == glyphCodes)
-		{
-		return KErrNoMemory;
-		}
-	// copy the glyph codes out of the IPC buffer...
-	TPtr8 ptr((TUint8 *)glyphCodes, count * sizeof(TUint), count * sizeof(TUint));
-	ret = aMessage.Read(1, ptr);
-	if (KErrNone == ret)
-		{
-		bitmapFont->ReleaseGlyphOutlines(count, glyphCodes,
-				params().iHinted, iSessionHandle);
-		}
-	else
-		{
-		aPanicRequired = ETrue;
-		}
-	User::Free(glyphCodes);
-	return ret;
-	}
-TInt CFbClient::HandleMesgGetGlyphOutline(const RMessage2& aMessage, TBool& aPanicRequired)
-	{
-	TInt ret = KErrNone;
-	CFbTop* fbtop = TopLevelStore();
-	TPckgBuf<TFBSGlyphOutlineParam> params;
-	ret = aMessage.Read(0, params);
-	if (KErrNone != ret)
-		{
-		aPanicRequired = ETrue;
-		return ret;
-		}
-	CFontObject* fontptr = static_cast<CFontObject*>(iIx->At(params().iHandle, fbtop->FontConUniqueID()));
-	if(!fontptr)
-		{
-		aPanicRequired = ETrue;
-		return KErrArgument;
-		}
-	CBitmapFont* bitmapFont = fontptr->iAddressPointer;
-	TInt count = params().iCount;
-	TUint* glyphCodes = (TUint *)User::Alloc(count * sizeof(TUint));
-	if (NULL == glyphCodes)
-		{
-		return KErrNoMemory;
-		}
-	// copy the glyph codes out of the IPC buffer...
-	TPtr8 ptr((TUint8 *)glyphCodes, count * sizeof(TUint), count * sizeof(TUint));
-	ret = aMessage.Read(1, ptr);
-	if (KErrNone != ret)
-		{
-		User::Free(glyphCodes);
-		aPanicRequired = ETrue;
-		return ret;
-		}
-	TOffsetLen* offsetLens =
-		(TOffsetLen *)User::Alloc(count * sizeof(TOffsetLen));
-	if (NULL == offsetLens)
-		{
-		User::Free(glyphCodes);
-		return KErrNoMemory;
-		}
-	TInt len = 0;
-	TAny* outline = NULL;
-	for (TInt i = 0; i < count; ++i)
-		{
-		bitmapFont->GetGlyphOutline(glyphCodes[i],
-			params().iHinted, outline, len, iSessionHandle);
-		offsetLens[i].iLen = len;
-		offsetLens[i].iOffset = PointerToOffset((outline), fbtop->HeapBase());
-		}
-	TPtr8 pkg2((TUint8 *)offsetLens, count * sizeof(TOffsetLen),
-			count * sizeof(TOffsetLen));
-	ret = aMessage.Write(2, pkg2);
-	if (KErrNone != ret)
-		{
-		aPanicRequired = ETrue;
-		}
-	User::Free(glyphCodes);
-	User::Free(offsetLens);
-	return ret;
-	}
-TInt CFbClient::HandleMesgReleaseFontTable(const RMessage2& aMessage, TBool& aPanicRequired)
-	{
-	CFbTop* fbtop = TopLevelStore();
-	CFontObject* fontptr = static_cast<CFontObject*>(iIx->At(aMessage.Int0(), fbtop->FontConUniqueID()));
-	if(!fontptr)
-		{
-		aPanicRequired = ETrue;
-		return KErrArgument;
-		}
-	CBitmapFont* bitmapFont = fontptr->iAddressPointer;
-	TUint32 tag = aMessage.Int1();
-	bitmapFont->ReleaseFontTable(tag, iSessionHandle);
-	return KErrNone;
-	}
-TInt CFbClient::HandleMesgGetFontTable(const RMessage2& aMessage, TBool& aPanicRequired)
-	{
-	TInt ret = KErrNone;
-	CFbTop* fbtop = TopLevelStore();
-	CFontObject* fontptr = static_cast<CFontObject*>(iIx->At(aMessage.Int0(), fbtop->FontConUniqueID()));
-	if(!fontptr)
-		{
-		aPanicRequired = ETrue;
-		return KErrArgument;
-		}
-	CBitmapFont* bitmapFont = fontptr->iAddressPointer;
-	TInt len = 0;
-	TAny* tablePtr = NULL;
-	ret = bitmapFont->GetFontTable((TUint32)aMessage.Int1(), tablePtr, len, iSessionHandle);
-	if (KErrNone == ret)
-		{
-		TPckgBuf<TOffsetLen> params;
-		params().iLen = len;
-		params().iOffset = PointerToOffset(tablePtr, fbtop->HeapBase());
-		ret = aMessage.Write(2, params);
-		aPanicRequired = (KErrNone != ret);
-		}
-	return ret;
-	}
-/**
-Called in response to the GoomMonitor framework's call into FbsOogmPlugin.
-We wish to either free some GPU memory, or reinstate its normal usage.
-@param  aMessage The IPC message.
-@return KErrNone If the value contained in the TFbsOogmMessage enumeration member is meaningful and the glyph atlas is present.
-KErrNotSupported if there is no glyph atlas.
-KErrUnknown if the value contained in the TFbsOogmMessage enumeration member is not meaningful.
-*/
-TInt CFbClient::HandleMesgOogmStatus( const RMessage2& aMessage )
-{
-TInt ret = KErrNone;
-CGlyphAtlas* glyphAtlas = TopLevelStore()->GlyphAtlas();
-if ( NULL == glyphAtlas )
-{
-return KErrNotSupported;
-}
-TPckgBuf<TFbsOogmMessage> oogmMessage;
-aMessage.Read( 0, oogmMessage );
-switch( oogmMessage().iOogmNotification )
-{
-case TFbsOogmMessage::EFbsOogmNoAction:
-break;
-case TFbsOogmMessage::EFbsOogmLowNotification:
-{
-glyphAtlas->ReleaseGpuMemory( oogmMessage().iBytesToFree, oogmMessage().iFlags );
-}
-break;
-case TFbsOogmMessage::EFbsOogmOkayNotification:
-{
-glyphAtlas->InstateGpuMemory( oogmMessage().iFlags );
-}
-break;
-default:
-ret = KErrUnknown;
-break;
-}
-return ret;
-}
-void CFbClient::HandleMesgGlyphCacheMetrics( const RMessage2& aMessage )
-{
-CGlyphAtlas* glyphAtlas = TopLevelStore()->GlyphAtlas();
-TPckgBuf<TGlyphCacheMetrics>  metrics;
-glyphAtlas->GetGlyphCacheMetrics( metrics() );
-aMessage.Complete( aMessage.Write(0, metrics) );
-}
 void CFbClient::ProcFontMessage(const RMessage2& aMessage)
 	{
-	TInt ret = KErrNone;
+	TInt ret = KErrUnknown;
 	TBool panicRequired = EFalse;
 	switch(aMessage.Function())
 		{
 		case EFbsMessFontDuplicate:
 				ret = KErrTooBig;
 				}
 			break;
 			}
-		case EFbsMessGetFontTable:
-			{
-			ret = HandleMesgGetFontTable(aMessage, panicRequired);
-			break;
-			}
-		case EFbsMessGetGlyphOutline:
-			{
-			ret = HandleMesgGetGlyphOutline(aMessage, panicRequired);
-			break;
-			}
-		case EFbsMessReleaseGlyphOutline:
-			{
-			ret = HandleMesgReleaseGlyphOutline(aMessage, panicRequired);
-			break;
-			}
-		case EFbsMessReleaseFontTable:
-			{
-			ret = HandleMesgReleaseFontTable(aMessage, panicRequired);
-			break;
-			}
-		case EFbsMessGetGlyphs:
-			{
-			ret = HandleMesgGetGlyphs(aMessage, panicRequired);
-			break;
-			}
-		case EFbsMessGetGlyphMetrics:
-			{
-			ret = HandleMesgGetGlyphMetrics(aMessage, panicRequired);
-			break;
-			}
 #ifdef _DEBUG
 		case EFbsMessSetDuplicateFail:
-			{
 			TInt argument =aMessage.Int0();
 			if (argument)
 				{
 				iFontDuplicateToFail = ETrue;
 				}
 				{
 				iFontDuplicateToFail = EFalse;
 				}
 			ret=KErrNone;
 			break;
-			}
 #endif
-		default:
-			ret = KErrUnknown;
 		}
 	// either have a result or an error code to panic the client with
 	if (panicRequired)
 		{
 void CFbClient::ProcBitmapMessage(const RMessage2 &aMessage)
 	{
 	CBitmapObject* bmpptr=NULL;
 	TInt localhandle=0;
-	TInt ret = KErrNone;
+	TInt ret=KErrUnknown;
 	switch(aMessage.Function())
 		{
 	case EFbsMessBitmapCreate:
 		{
 		TPckgBuf<TBmpSpec> bs;
 			ret=KErrUnknown;
 			break;
 			}
 		ret = fbtop->GetCleanBitmap(bmpptr);
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		TSize newsize(aMessage.Int1(),aMessage.Int2());
 		const TBool compressedInRam = bmpptr->Address()->IsCompressedInRAM();  //It must be set before the resizing is done.
 		const TDisplayMode dispMode = bmpptr->Address()->DisplayMode();
 		CBitmapObject* newbmpptr = NULL;
 		TRAP(ret, newbmpptr = fbtop->CreateBitmapL(newsize, dispMode, KUidCFbsBitmapCreation, ETrue));
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		ret = newbmpptr->Address()->CopyData(*bmpptr->Address());
 		if (ret != KErrNone)
 			{
 			newbmpptr->Close();
 			break;
 			iIx->Remove(newlocalhandle);
 			break;
 			}
 		bmpptr->SetCleanBitmap(newbmpptr);
 		if (bmpptr->AccessCount() >= 2)
-			{
 			fbtop->NotifyDirtyBitmap(*bmpptr, this);
-			}
 		iIx->Remove(localhandle);
 		TPckgBuf<TBmpHandles> handlebuffer;
 		handlebuffer().iHandle = newlocalhandle;
 		handlebuffer().iServerHandle = newbmpptr->Handle();
 		handlebuffer().iAddressOffset = TInt(newbmpptr->Address()) - fbtop->HeapBase();
 		//coverity [check_return]
 		//coverity [unchecked_value]
 		TopLevelStore()->GetCleanBitmap(bmpptr);
 		ret = bmpptr->Open();
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		TPckgBuf<TBmpHandles> handlebuffer;
 		TRAP(ret,localhandle=iIx->AddL(bmpptr));
 		if(ret!=KErrNone)
 			{
 			bmpptr->Close();
 			ret = KErrUnknown;
 			break;
 			}
 		ret = fbtop->GetCleanBitmap(bmpptr);
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		const TSize size = bmpptr->Address()->SizeInPixels();
 		const TDisplayMode dispMode = bmpptr->Address()->DisplayMode();
 		CBitmapObject* newbmpptr = NULL;
 		TRAP(ret, newbmpptr = fbtop->CreateBitmapL(size, dispMode, KUidCFbsBitmapCreation, ETrue));
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		ret = newbmpptr->Address()->CopyData(*bmpptr->Address());
 		if (ret != KErrNone)
 			{
 			newbmpptr->Close();
 			break;
 			iIx->Remove(newlocalhandle);
 			break;
 			}
 		bmpptr->SetCleanBitmap(newbmpptr);
 		if (bmpptr->AccessCount() >= 2)
-			{
 			fbtop->NotifyDirtyBitmap(*bmpptr, this);
-			}
 		iIx->Remove(localhandle);
 		TPckgBuf<TBmpHandles> handlebuffer;
 		handlebuffer().iHandle = newlocalhandle;
 		handlebuffer().iServerHandle = newbmpptr->Handle();
 		handlebuffer().iAddressOffset = TInt(newbmpptr->Address()) - fbtop->HeapBase();
 			}
 		ret = fbtop->GetCleanBitmap(bmpptr);
 		if (ret != KErrNone)
 			{
 			if (!async)
-				{
 				ret = KErrNone;
-				}
 			break;
 			}
 		ret = bmpptr->Address()->CheckBackgroundCompressData();
 		if (KErrNone == ret)
 			{
 			ret = fbtop->BackgroundCompression()->AddToCompressionQueue(bmpptr, scheme, async ? &aMessage : NULL);
 			if (ret == KErrNone && async)
-				{
 				return; // do not complete the client's request - that will be done by the background compression thread
-				}
 			}
 		if (KErrAlreadyExists == ret)
-			{
 			ret = KErrNone;
-			}
 		break;
 		}
 	case EFbsMessBitmapClean:
 		{
 		TInt localhandle = aMessage.Int0();
 			ret = KErrUnknown;
 			break;
 			}
 		ret = fbtop->GetCleanBitmap(bmpptr);
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		ret = bmpptr->Open();
 		if (ret != KErrNone)
-			{
+			break;
-			break;
-			}
 		TInt cleanlocalhandle = 0;
 		TRAP(ret, cleanlocalhandle = iIx->AddL(bmpptr));
 		if (ret != KErrNone)
 			{
 			bmpptr->Close();
 		if (!iHelper->iDirty)
 			{
 			iHelper->iMessage = aMessage;
 			return; // do not complete the client's request yet - that will be done when a bitmap becomes dirty
 			}
+		ret = KErrNone;
 		iHelper->iDirty = EFalse;
 		}
 		break;
 	case EFbsMessBitmapCancelNotifyDirty:
 		{
 		if (iHelper != NULL && !iHelper->iMessage.IsNull())
-			{
 			iHelper->iMessage.Complete(KErrCancel);
-			}
+		ret = KErrNone;
 		}
 		break;
-	default:
-		ret = KErrUnknown;
 		}
 	if(!aMessage.IsNull())
 		{
 		aMessage.Complete(ret);
 	// if there is a to-be-completed request for dirty bitmap notification complete it now
 	if (iHelper)
 		{
 		if (!iHelper->iMessage.IsNull())
-			{
 			iHelper->iMessage.Complete(KErrDisconnected);
-			}
 		iHelper->Deque();
 		delete iHelper;
 		iHelper = NULL;
 		}
 				iHeapCheckFlip=ETrue;
 				}
 			break;
 		case EFbsMessHeap:
 			ret=(TInt)iHeap;
 			break;
-		default:
-			ret = KErrUnknown;
 		}
 	aMessage.Complete(ret);
 	iRet=ret;
 	}
-/**
-Processes messages associated with the Glyph Atlas.
-@param aMessage The message used to perform IPC to the client.
-*/
-void CFbClient::ProcAtlasMessage(const RMessage2 &aMessage)
-	{
-	TInt ret = KErrNone;
-	CFbTop* fbtop = TopLevelStore();
-	CGlyphAtlas* glyphAtlas = fbtop->GlyphAtlas();
-	if (!glyphAtlas)
-		{
-		ret = KErrNotSupported;
-		}
-	else
-		{
-		switch(aMessage.Function())
-			{
-			case EFbsMessAtlasFontCount:
-				ret = glyphAtlas->FontCount();
-				break;
-			case EFbsMessAtlasGlyphCount:
-				{
-				TInt fontHandle = aMessage.Int0();
-				if (fontHandle != 0)
-					{
-					if (fbtop->ValidFontHandle(fontHandle))
-						{
-						CFontObject* fontptr = reinterpret_cast<CFontObject*>(fontHandle);
-						ret = glyphAtlas->GlyphCount(static_cast<CBitmapFont&>(*(fontptr->iAddressPointer)));
-						}
-					else
-						{
-						ret = KErrNotFound;
-						}
-					}
-				else
-					{
-					ret = glyphAtlas->GlyphCount();
-					}
-				}
-				break;
-			default:
-				ret = KErrUnknown;
-			}
-		}
-	aMessage.Complete(ret);
-	iRet=ret;
-	}
 #endif

branch	RCL_3
changeset 20	25ffed67c7ef
parent 19	bbf46f59e123
child 21	183e23d95fab