svgtopt/nvgdecoder/inc/OpenVGHandleStore.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:19:02 +0200
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/*
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  NVG Decoder header file
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 *
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*/
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#ifndef OPENVGHANDLESTORE_H_
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#define OPENVGHANDLESTORE_H_
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#include <e32base.h>
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#include <openvg.h>
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class COpenVGHandleStore : public CBase
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    {
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public:
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    struct TLVVGHandlePair
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        {
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        enum THandleType
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            {
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            EVGPath,
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            EVGPaint,
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            EVGImage
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            };
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        VGHandle    iVGHandle;
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        THandleType  iHandleType;
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        explicit TLVVGHandlePair(VGHandle aVGHandle,  THandleType aHandleType = EVGPath)
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            : iVGHandle(aVGHandle),
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              iHandleType(aHandleType)
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                {
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                }
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        };
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    virtual ~COpenVGHandleStore();
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    static COpenVGHandleStore * NewL();
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    static COpenVGHandleStore * NewLC();
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    void AddPathDHL(VGPath aHandle)
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        {
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        TInt error = AddPath(aHandle);
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        if (error != KErrNone)
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            {
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            vgDestroyPath(aHandle);
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            User::Leave(error);
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            }
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        }
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    void AddPaintDHL(VGPaint aHandle)
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        {
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        TInt error = AddPaint(aHandle);
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        if (error != KErrNone)
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            {
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            vgDestroyPaint(aHandle);
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            User::Leave(error);
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            }
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        }
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    void AddImageDHL(VGImage aHandle)
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        {
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        TInt error = AddImage(aHandle);
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        if (error != KErrNone)
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            {
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            vgDestroyImage(aHandle);
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            User::Leave(error);
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            }
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        }
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    TInt AddPath(VGPath aHandle)
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        {
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        return iHandles.Append(TLVVGHandlePair(aHandle, TLVVGHandlePair::EVGPath));
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        }
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    TInt AddPaint(VGPaint aHandle)
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        {
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        return iHandles.Append(TLVVGHandlePair(aHandle, TLVVGHandlePair::EVGPaint));
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        }
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    TInt AddImage(VGImage aHandle)
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        {
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        return iHandles.Append(TLVVGHandlePair(aHandle, TLVVGHandlePair::EVGImage));
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        }
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    TInt AddHandle(VGHandle aHandle, TLVVGHandlePair::THandleType aType)
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        {
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        return iHandles.Append(TLVVGHandlePair(aHandle, aType));
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        }
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private:
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    COpenVGHandleStore();
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    void ConstructL();
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    RArray<TLVVGHandlePair> iHandles;
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    };
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#endif
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//--------------------------------EndOfFile------------------------------------