--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/textrendering/textformatting/tagma/TmBufferBase.cpp Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,61 @@
+/*
+* Copyright (c) 2006-2009 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:
+*
+*/
+
+
+#include "TMSTD.H"
+
+CTmBufferBase::~CTmBufferBase()
+ {
+ User::Free(iData);
+ }
+
+void CTmBufferBase::Truncate(TInt aLength)
+ {
+ if (aLength > iLength || aLength < 0)
+ TmPanic(EBadTruncationLength);
+ iLength = aLength;
+ }
+
+TAny* CTmBufferBase::ExtendL(TInt aSizeOfData)
+ {
+ if (iLength == iAllocated)
+ GrowL(iExpandSize,aSizeOfData);
+ TInt offset = iLength * aSizeOfData;
+ iLength += 1;
+ return REINTERPRET_CAST(TUint8*,iData) + offset;
+ }
+
+void CTmBufferBase::DoAppendL(const TAny* aItem,TInt aCount,TInt aSizeOfData)
+ {
+ int deficit = iLength + aCount - iAllocated;
+ if (deficit > 0)
+ {
+ int n = deficit % iExpandSize;
+ if (n)
+ deficit += iExpandSize - n;
+ GrowL(deficit,aSizeOfData);
+ }
+ Mem::Copy(REINTERPRET_CAST(TUint8*,iData) + iLength * aSizeOfData, aItem,
+ aCount * aSizeOfData);
+ iLength += aCount;
+ }
+
+void CTmBufferBase::GrowL(TInt aExtra,TInt aSizeOfData)
+ {
+ iData = User::ReAllocL(iData,(iAllocated + aExtra) * aSizeOfData);
+ iAllocated += aExtra;
+ }