--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/nvgdecoder/src/NVGIconData.cpp	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,251 @@
+/*
+* Copyright (c) 2008 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:  NVG Decoder source file
+ *
+*/
+
+#include "NVGIconData.h"
+
+//const TUint KEncodedDataLength        = 1024;
+const TUint KEncodedDataGranularity   = 64;
+
+CNVGIconData::CNVGIconData()
+    : iNVGData(0),
+    iNVGDataPtr(0, 0),
+    iTotalRead(0),
+    iReadStream(0)
+    {
+    }
+
+CNVGIconData::~CNVGIconData()
+    {
+    delete iNVGData;
+    }
+
+CNVGIconData * CNVGIconData::NewL(TInt aLength)
+    {
+    CNVGIconData* self    = CNVGIconData::NewLC(aLength);
+    CleanupStack::Pop(self);
+    return self;
+    }
+    
+CNVGIconData * CNVGIconData::NewLC(TInt aLength)
+    {
+    CNVGIconData* self    = new (ELeave) CNVGIconData;
+    CleanupStack::PushL(self);
+
+    self->ConstructL(aLength);
+    return self;
+    }
+
+CNVGIconData * CNVGIconData::NewL(const TDesC8& aBuf)
+    {
+    CNVGIconData* self    = CNVGIconData::NewLC(aBuf);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+CNVGIconData * CNVGIconData::NewLC(const TDesC8& aBuf)
+    {
+    CNVGIconData* self    = new (ELeave) CNVGIconData;
+    CleanupStack::PushL(self);
+
+    self->ConstructL(aBuf);
+    
+    return self;
+    }
+
+CNVGIconData * CNVGIconData::NewL(TUint8 * aBuf, TInt aLength)
+    {
+    return CNVGIconData::NewL(TPtr8(aBuf, aLength, aLength));
+    }
+
+CNVGIconData * CNVGIconData::NewLC(TUint8 * aBuf, TInt aLength)
+    {
+    return CNVGIconData::NewLC(TPtr8(aBuf, aLength, aLength));
+    }
+
+void CNVGIconData::ConstructL(const TDesC8& aBuf)
+    {
+    iNVGDataPtr.Set((TUint8 *)aBuf.Ptr(), aBuf.Length(), aBuf.Length());
+    
+    //set the reading pointers
+    BeginRead();
+    }
+
+void CNVGIconData::ConstructL(TUint aLength)
+    {    
+    iNVGData = HBufC8::NewL(aLength);
+    iNVGDataPtr = iNVGData->Des();
+    }
+
+void CNVGIconData::EncodeDataL(const TAny *aData, TUint aLength)
+    {
+    TInt result = KErrNone;
+    
+    TInt encodedDataLength      = iNVGDataPtr.Length() + aLength;
+    TInt encodedDataMaxLength   = iNVGDataPtr.MaxLength();
+    
+    if (encodedDataLength >= encodedDataMaxLength)
+        {
+        result = ExpandEncodedData(encodedDataLength);
+        if (result != KErrNone)
+            {
+            User::Leave(result);
+            }
+        
+        iNVGDataPtr.Append((TUint8*)(aData), aLength);
+        }
+    else
+        {
+        iNVGDataPtr.Append((TUint8*)(aData), aLength);
+        }    
+    }
+
+TInt CNVGIconData::EncodeData(const TAny *aData, TUint aLength)
+    {
+    TInt result = KErrNone;
+    
+    TInt encodedDataLength      = iNVGDataPtr.Length() + aLength;
+    TInt encodedDataMaxLength   = iNVGDataPtr.MaxLength();
+    
+    if (encodedDataLength >= encodedDataMaxLength)
+        {
+        result = ExpandEncodedData(encodedDataLength);
+        if (result == KErrNone)
+            {
+            iNVGDataPtr.Append((TUint8*)(aData), aLength);
+            }
+        }
+    else
+        {
+        iNVGDataPtr.Append((TUint8*)(aData), aLength);
+        }
+    
+    return result;
+    }
+
+TInt CNVGIconData::ExpandEncodedData(TUint aNewLength)
+    {
+    TInt result = KErrNone;
+    
+    TInt encodedDataMaxLength   = iNVGDataPtr.MaxLength();
+    TUint granularities = ((aNewLength - encodedDataMaxLength) / KEncodedDataGranularity) + 1;
+    
+    HBufC8 * tmpBuf = HBufC8::New(encodedDataMaxLength + granularities * KEncodedDataGranularity);
+    if (tmpBuf == 0)
+        {
+        result = KErrNoMemory;
+        }
+    else
+        {
+        TPtr8 tmpBufPtr (tmpBuf->Des());
+        tmpBufPtr.Copy(*iNVGData);
+        
+        delete iNVGData;
+        iNVGData = tmpBuf;
+        iNVGDataPtr.Set(iNVGData->Des());
+        }
+    
+    return result;
+    }
+
+void CNVGIconData::BeginRead()
+    {
+    iDataLength = iNVGDataPtr.Length();
+    iTotalRead = 0;
+    iReadStream = (TUint8 *)iNVGDataPtr.Ptr();
+    }
+
+void CNVGIconData::EndRead()
+    {
+    }
+
+#define STR_TO_OTHER_DIR(TOTYPE) do {\
+                                TOTYPE data = *(TOTYPE *)&iReadStream[iTotalRead];\
+                                iTotalRead += sizeof(TOTYPE);\
+                                return data;\
+                           } while (0)
+
+
+#define STR_TO_OTHER_IDIR(TOTYPE) do {\
+                                TOTYPE data;\
+                                TUint8 * dataPtr = (TUint8 *)&data;\
+                                for (TInt i = 0; i < sizeof(TOTYPE); ++i)\
+                                    {\
+                                    dataPtr[i] = iReadStream[iTotalRead+i];\
+                                    }\
+                                iTotalRead += sizeof(TOTYPE);\
+                                return data;\
+                            } while (0)
+
+#define STR_TO_OTHER(TOTYPE) do {\
+                                CheckOutOfBoundL(sizeof(TOTYPE));\
+                                if (reinterpret_cast<int>(&iReadStream[iTotalRead]) & (sizeof(TOTYPE) - 1))\
+                                    {\
+                                    STR_TO_OTHER_IDIR(TOTYPE);\
+                                    }\
+                                else\
+                                    {\
+                                    STR_TO_OTHER_DIR(TOTYPE);\
+                                    }\
+                            } while (0)
+    
+
+TInt16 CNVGIconData::ReadInt16L()
+    {
+    STR_TO_OTHER(TInt16);
+    }
+
+TInt32 CNVGIconData::ReadInt32L()
+    {
+    STR_TO_OTHER(TInt32);
+    }
+
+TInt8 CNVGIconData::ReadInt8L()
+    {
+    CheckOutOfBoundL(sizeof(TInt8));
+    STR_TO_OTHER_DIR(TInt8);
+    }
+
+TReal32 CNVGIconData::ReadReal32L()
+    {
+    STR_TO_OTHER(TReal32);
+    }
+
+TReal64 CNVGIconData::ReadReal64L()
+    {
+    CheckOutOfBoundL(sizeof(TReal64));
+    STR_TO_OTHER_IDIR(TReal64);
+    }
+
+void CNVGIconData::ReadL(TDes8 &aDes, TInt aLength)
+    {
+    CheckOutOfBoundL(aLength);
+    aDes.Copy(&iReadStream[iTotalRead], aLength);
+    iTotalRead += aLength;
+    }
+
+void CNVGIconData::ReadL(TUint8 *aPtr, TInt aLength)
+    {
+    CheckOutOfBoundL(aLength);
+    memcpy(aPtr, &iReadStream[iTotalRead], aLength);
+    iTotalRead += aLength;
+    }
+
+void CNVGIconData::SkipL(TInt aLength)
+    {
+    CheckOutOfBoundL(aLength);
+    iTotalRead += aLength;
+    }