svgtopt/nvgdecoder/inc/TLVRenderer.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 _TLVRENDERER_H_
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#define _TLVRENDERER_H_
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#include <e32base.h>
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#include <openvg.h>
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#include <vgu.h>
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#include "FloatFixPt.h"
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#include "PseudoVG.h"
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#include "NVGUtil.h"
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class CNVGTLVIcon;
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class CNVGIconData;
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class MVGImageBinder;
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class CTLVRenderer : public CBase
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    {
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public:
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    static CTLVRenderer * NewL(const TDesC8& aPtr, TInt aWidth, TInt aHeight);
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    static CTLVRenderer * NewLC(const TDesC8& aPtr, TInt aWidth, TInt aHeight);
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    virtual ~CTLVRenderer();
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    virtual TInt ExecuteL();
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    void SetVGImageBinder(MVGImageBinder *aImageBinder)
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        {
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        iVGImageBinder = aImageBinder;
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        }
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protected:
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    void ConstructL(const TDesC8& aPtr);
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    CTLVRenderer(TInt aWidth, TInt aHeight);
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    void DvgSetiL( );    
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    void DvgSetfL( );   
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    void DvgSetParameteriL( );
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    void DvgSetParameterfL( );    
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    void DvgSetParameterfvL( );    
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    void DvgSetColorL( );    
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    void DvgSetPaintL( );    
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    void DvgLoadMatrixL( );  
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    void DvgMultMatrixL( );  
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    void DvgLoadIdentityL( );    
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    void DvgScaleL( );    
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    void DvgTranslateL( );   
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    void DvgAppendPathDataL( );    
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    void DvgDrawPathL( );
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    void DvgClearPathL();
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    void DvguRectL( );    
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    void DvguEllipseL( );    
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    void DvguRoundRectL( );    
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    void DvguLineL( );    
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    void DvgCreatePaintL( );   
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    void DvgSetivL( );                
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    void DvgClearL();
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    void DvgSetfvL();
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    void DvgRotateL();
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    void DvgCreatePathL();
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    void DvgCreateImageL();
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    void DvgGetPixelsL();
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    void DvgClearImageL();
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    void DvgImageSubDataL();
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    void DvgDrawImageL();
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    void DvgDestroyImageL();
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    void DvgDestroyPaintL();
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    void DvgDestroyPathL();
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    void DvgPrepareToBindImageL();
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    void DvgBindImageL();
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    void DvgUnBindImageL();
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    void DvgFlushL(); 
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    virtual TInt ExecuteL(TInt index);
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#ifdef NVG_DEBUG
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    //Command specific logging methods
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    void LogvgSeti(VGParamType type, VGint fvalue);
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    void LogvgSetf (VGParamType type, VGfloat fvalue);
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    void LogvgSetXv(VGParamType type, VGint count, TInt8 vtype, VGint * LogvgSetXv);    
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    void LogvgSetParameteri(VGHandle handle, VGint paramType, VGint pvalue, TInt Lpvalue);		
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    void LogvgSetPaint(VGPaint paint, VGbitfield paintModes, TInt Lpvalue);                        
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    void LogvgDrawPath(VGuint path, VGbitfield paintModes);
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    void LogvgSetParameterfv(VGPaint handle, VGint paramtype, TInt count, VGfloat * data);
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    void LogvgImageSubData(VGImage imageHandle, const void * dataPtr, TInt dataLength, VGint dataStride,
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                VGImageFormat dataFormat, VGint x, VGint y, VGint width, VGint height);
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#endif
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protected:
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    typedef void (CTLVRenderer::*pvgapi)( );
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    pvgapi vgapi[EvgFlush + 1];
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    CNVGIconData *  iNVGIconData;
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    TInt            iDataLength;
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    TSize           iResizedCanvasSize;
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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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        TInt        iTLVHandle;
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        THandleType iHandleType;
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        TInt        iCustomData;
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        explicit TLVVGHandlePair(VGHandle aVGHandle = 0, TInt aTLVHandle = 0,
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                        THandleType aHandleType = EVGPAINT, TInt aCustomData = 0)
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            : iVGHandle(aVGHandle),
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              iTLVHandle(aTLVHandle),
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              iHandleType(aHandleType),
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              iCustomData(aCustomData)
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            {
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            }
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        };
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    VGHandle GetHandleL(int aIndex);
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    VGHandle GetHandle(int aIndex);
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    VGHandle RemoveHandleL(int aIndex);
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    void GetHandlePair(int aIndex, TLVVGHandlePair & aPair);
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    void SetHandle(int aIndex, VGHandle aHandle);
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    TPoint  GetTranslatedPoint(VGfloat matrix[9], TPoint aPoint);
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    VGfloat MinVal4(VGfloat x1, VGfloat x2, VGfloat x3, VGfloat x4);
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    VGfloat MaxVal4(VGfloat x1, VGfloat x2, VGfloat x3, VGfloat x4);
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    VGPath          iPathHandle;
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    TUint8          iNvgHeader[KNVGHeaderSize];
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    TInt            iTargetWidth;
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    TInt            iTargetHeight;
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    TBool           iScaled;
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    TReal32             iUserMatrix[9];
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    MVGImageBinder *    iVGImageBinder;
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    TUint               iPrepareToBindImage;
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    RArray<TLVVGHandlePair> iTLVVGHandleList;
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    CNVGTLVIcon *   iNVGTLVIcon;
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    friend class CNVGTLVIcon;
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    DECLARE_HANDLECHECKER()
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    };
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#endif