1 /*

     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  NVG Decoder header file

    15  *

    16 */

    17 

    18 

    19 #ifndef _TLVRENDERER_H_

    20 #define _TLVRENDERER_H_

    21 

    22 #include <e32base.h>

    23 #include <openvg.h>

    24 #include <vgu.h>

    25 #include "FloatFixPt.h"

    26 #include "PseudoVG.h"

    27 #include "NVGUtil.h"

    28 

    29 class CNVGTLVIcon;

    30 class CNVGIconData;

    31 

    32 class MVGImageBinder;

    33 

    34 class CTLVRenderer : public CBase

    35     {

    36     

    37 public:

    38     static CTLVRenderer * NewL(const TDesC8& aPtr, TInt aWidth, TInt aHeight);

    39  

    40     static CTLVRenderer * NewLC(const TDesC8& aPtr, TInt aWidth, TInt aHeight);

    41   

    42     virtual ~CTLVRenderer();

    43     

    44     virtual TInt ExecuteL();

    45     

    46     void SetVGImageBinder(MVGImageBinder *aImageBinder)

    47         {

    48         iVGImageBinder = aImageBinder;

    49         }

    50 

    51 protected:

    52     void ConstructL(const TDesC8& aPtr);

    53     CTLVRenderer(TInt aWidth, TInt aHeight);

    54 

    55     void DvgSetiL( );    

    56     void DvgSetfL( );   

    57     void DvgSetParameteriL( );

    58     void DvgSetParameterfL( );    

    59     void DvgSetParameterfvL( );    

    60     void DvgSetColorL( );    

    61     void DvgSetPaintL( );    

    62     void DvgLoadMatrixL( );  

    63     void DvgMultMatrixL( );  

    64     void DvgLoadIdentityL( );    

    65     void DvgScaleL( );    

    66     void DvgTranslateL( );   

    67     void DvgAppendPathDataL( );    

    68     void DvgDrawPathL( );

    69     void DvgClearPathL();

    70     void DvguRectL( );    

    71     void DvguEllipseL( );    

    72     void DvguRoundRectL( );    

    73     void DvguLineL( );    

    74     void DvgCreatePaintL( );   

    75     void DvgSetivL( );                

    76     void DvgClearL();

    77     void DvgSetfvL();

    78     void DvgRotateL();

    79     void DvgCreatePathL();

    80     void DvgCreateImageL();

    81     void DvgGetPixelsL();

    82     void DvgClearImageL();

    83     void DvgImageSubDataL();

    84     void DvgDrawImageL();

    85     void DvgDestroyImageL();

    86     void DvgDestroyPaintL();

    87     void DvgDestroyPathL();

    88     

    89     void DvgPrepareToBindImageL();

    90     void DvgBindImageL();

    91     void DvgUnBindImageL();

    92     

    93     void DvgFlushL(); 

    94 

    95     virtual TInt ExecuteL(TInt index);

    96 

    97 #ifdef NVG_DEBUG

    98     //Command specific logging methods

    99     void LogvgSeti(VGParamType type, VGint fvalue);

   100     void LogvgSetf (VGParamType type, VGfloat fvalue);

   101     void LogvgSetXv(VGParamType type, VGint count, TInt8 vtype, VGint * LogvgSetXv);    

   102     void LogvgSetParameteri(VGHandle handle, VGint paramType, VGint pvalue, TInt Lpvalue);		

   103     void LogvgSetPaint(VGPaint paint, VGbitfield paintModes, TInt Lpvalue);                        

   104     void LogvgDrawPath(VGuint path, VGbitfield paintModes);

   105     void LogvgSetParameterfv(VGPaint handle, VGint paramtype, TInt count, VGfloat * data);

   106     void LogvgImageSubData(VGImage imageHandle, const void * dataPtr, TInt dataLength, VGint dataStride,

   107                 VGImageFormat dataFormat, VGint x, VGint y, VGint width, VGint height);

   108 #endif

   109     

   110 protected:

   111 

   112     typedef void (CTLVRenderer::*pvgapi)( );

   113     pvgapi vgapi[EvgFlush + 1];

   114     

   115     CNVGIconData *  iNVGIconData;

   116     TInt            iDataLength;

   117     TSize           iResizedCanvasSize;

   118 

   119     struct TLVVGHandlePair

   120         {

   121         enum THandleType

   122             {

   123             EVGPATH,

   124             EVGPAINT,

   125             EVGIMAGE

   126             };

   127         VGHandle    iVGHandle;

   128         TInt        iTLVHandle;

   129         THandleType iHandleType;

   130         TInt        iCustomData;

   131         

   132         explicit TLVVGHandlePair(VGHandle aVGHandle = 0, TInt aTLVHandle = 0,

   133                         THandleType aHandleType = EVGPAINT, TInt aCustomData = 0)

   134             : iVGHandle(aVGHandle),

   135               iTLVHandle(aTLVHandle),

   136               iHandleType(aHandleType),

   137               iCustomData(aCustomData)

   138             {

   139             }

   140         };

   141 

   142     VGHandle GetHandleL(int aIndex);

   143     VGHandle GetHandle(int aIndex);

   144     VGHandle RemoveHandleL(int aIndex);

   145     

   146     void GetHandlePair(int aIndex, TLVVGHandlePair & aPair);

   147 

   148     void SetHandle(int aIndex, VGHandle aHandle);

   149 

   150     TPoint  GetTranslatedPoint(VGfloat matrix[9], TPoint aPoint);

   151     VGfloat MinVal4(VGfloat x1, VGfloat x2, VGfloat x3, VGfloat x4);

   152     VGfloat MaxVal4(VGfloat x1, VGfloat x2, VGfloat x3, VGfloat x4);

   153     

   154     VGPath          iPathHandle;

   155     

   156     TUint8          iNvgHeader[KNVGHeaderSize];

   157     TInt            iTargetWidth;

   158     TInt            iTargetHeight;

   159     TBool           iScaled;

   160     

   161     TReal32             iUserMatrix[9];

   162     MVGImageBinder *    iVGImageBinder;

   163     TUint               iPrepareToBindImage;

   164     RArray<TLVVGHandlePair> iTLVVGHandleList;

   165     

   166     CNVGTLVIcon *   iNVGTLVIcon;

   167     friend class CNVGTLVIcon;

   168     

   169     DECLARE_HANDLECHECKER()

   170     };

   171 

   172 #endif