--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/fontstore/src/ShaperCache.H Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* SHAPERCACHE.CPP
+*
+*/
+
+
+#include <fntstore.h>
+#include <gdi.h>
+#include "FNTSTD.H"
+#include <graphics/shapeimpl.h>
+
+const TInt KMaxShaperSesssionCacheMemory = 64*1024;
+
+//class to store the handle the handle-reference count
+class THandleCount
+ {
+public:
+ THandleCount(TInt aSessionHandle)
+ :iSessionHandle(aSessionHandle),iRefCount(1),iNext(NULL){}
+public:
+ TInt iSessionHandle;
+ TInt iRefCount;
+ THandleCount* iNext;
+ };
+
+/******************** SHAPER CACHE CLASSES*************************************/
+class COpenFontShaperCacheEntry: public CBase
+ {
+public:
+ static COpenFontShaperCacheEntry* New(RHeap* aHeap, CShaper::TInput aInput, TShapeHeader* aShapeHeader);
+ static COpenFontShaperCacheEntry* New(RHeap* aHeap);
+ static void Delete (RHeap* aHeap, COpenFontShaperCacheEntry* aCache);
+ TBool IsSentinel(){return iShapeHeader==NULL;}
+ TInt IncRefCount(TInt aSessionHandle);
+ TInt DecRefCount(TInt aSessionHandle,TBool aReset=EFalse);
+private:
+ COpenFontShaperCacheEntry(RHeap* aHeap,CShaper::TInput aInput)
+ :iStart(aInput.iStart),iEnd(aInput.iEnd),iScript(aInput.iScript), iHeap(aHeap){}
+ COpenFontShaperCacheEntry(){}
+ TInt Construct(CShaper::TInput aInput,TShapeHeader* aShapeHeader);
+public:
+ COpenFontShaperCacheEntry* iPrevious; // pointer to previous node in tree
+ COpenFontShaperCacheEntry* iNext; // pointer to next shaping info node in the list
+
+ /** The shaped information that is cached */
+ TShapeHeader* iShapeHeader;
+ /** Input information */
+ TUint16* iText;
+ TInt iStart;
+ TInt iEnd;
+ TInt iScript;
+ /** pointer to a private heap for allocating the handle-refcount array*/
+ RHeap* iHeap;
+ /** linked list of THandleCount to store the handle-refcount information */
+ THandleCount* iHandleRefList;
+ TInt iHandleRefCount;
+ };
+
+/***********************SHAPER CACHE ENDS HERE********************************/
+