vtprotocolplugins/DisplaySink/src/CVtImageScalerImplBilinear.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 23 Nov 2009 14:47:47 +0200
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/*
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* Copyright (c) 2004 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:  Image Transforms subsystem.
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*
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*/
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// INCLUDE FILES
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#include <e32svr.h>
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#include <fbs.h>
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#include "CVtImageScalerImplBilinear.h"
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#include "cvtimage.h"
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#include "CVtImageScalerMacros.h"
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// MACROS
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#ifdef _DEBUG
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#    define __IF_DEBUG(t) {RDebug::t;}
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#else
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#    define __IF_DEBUG(t)
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#endif
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// LOCAL CONSTANTS AND MACROS
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const TUint32 KDecimalBits = 14;    // 18.14 pseudo real format,
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                                    // this must be lower than 15!
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// ============================ MEMBER FUNCTIONS ===============================
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// ======================= CVtImageScalerImplBilinear ==========================
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// -----------------------------------------------------------------------------
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// CVtImageScalerImplBilinear::Scale( TBool& aContinue )
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// -----------------------------------------------------------------------------
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TInt CVtImageScalerImplBilinear::Scale( TBool& aContinue )
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    {
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    TInt result( KErrNone );
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    aContinue = EFalse;
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    // this implementation does not support different display modes for source
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    // and target
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    if( iSource->DisplayMode() != iTarget->DisplayMode() )
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        {
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        return KErrNotSupported;
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        }
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    // if sizes are same, just copy the data
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    if( iSource->Size() == iTarget->Size() )
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        {
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        Mem::Copy(
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            iTarget->DataAddress(),
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            iSource->DataAddress(),
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            iTarget->BytesPerRow() * iTarget->Size().iHeight );
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        }
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    else if ( ( iSource->Size().iHeight * 2 == iTarget->Size().iHeight )
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            && ( iSource->Size().iWidth * 2 == iTarget->Size().iWidth ) )
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        {
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        switch( iSource->DisplayMode() )
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            {
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            case CVtImage::EVtColor4K:
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                Scale2x4K64K( 0xeee );  // 0000ggggbbbbrrrr ->
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                break;                  // mask = %0000111011101110 = 0xeee
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            case CVtImage::EVtColor64K:
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                Scale2x4K64K( 0xf7de ); // bbbbbggggggrrrrr ->
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                break;                  // mask = %1111011111011110 = 0xf7de
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            case CVtImage::EVtColor16M:
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                Scale2x16M();
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                break;
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            case CVtImage::EVtColor16MU:
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            case CVtImage::EVtColor16MA:
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                Scale2x16MU16MA();
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                break;
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            default:
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                if ( iSource->Type() == CVtImage::EVtImageBitmap &&
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                     iTarget->Type() == CVtImage::EVtImageBitmap )
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                    {
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                    TRAPD( error,
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                        ScaleWithBitmapScalerL(
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                            CBitmapScaler::EMaximumQuality ) );
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                    result = error;
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                    }
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                else
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                    {
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                    result = KErrNotSupported;
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                    }
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            }
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        }
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    else
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        {
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        Initialize();
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        switch( iSource->DisplayMode() )
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            {
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            case CVtImage::EVtColor4K:
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                Scale4K();
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                break;
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            case CVtImage::EVtColor64K:
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parents:
diff changeset
   117
                Scale64K();
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parents:
diff changeset
   118
                break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   119
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parents:
diff changeset
   120
            case CVtImage::EVtColor16M:
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parents:
diff changeset
   121
                Scale16M();
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parents:
diff changeset
   122
                break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   123
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   124
            case CVtImage::EVtColor16MU:
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parents:
diff changeset
   125
                Scale16MU();
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parents:
diff changeset
   126
                break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   127
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   128
            case CVtImage::EVtColor16MA:
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parents:
diff changeset
   129
                Scale16MA();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   130
                break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
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parents:
diff changeset
   132
            default:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   133
                if ( iSource->Type() == CVtImage::EVtImageBitmap &&
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   134
                     iTarget->Type() == CVtImage::EVtImageBitmap )
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parents:
diff changeset
   135
                    {
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parents:
diff changeset
   136
                    TRAPD( error,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
                        ScaleWithBitmapScalerL(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
                            CBitmapScaler::EMaximumQuality ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
                    result = error;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
                    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
                else
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
                    {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
                    result = KErrNotSupported;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
                    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
    return result;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   150
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
// CVtImageScalerImplBilinear::ValidateSourceTargetL(
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
//  const CVtImage& aSource, CVtImage& aTarget )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
void CVtImageScalerImplBilinear::ValidateSourceTargetL(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
    const CVtImage& aSource,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
    CVtImage& aTarget )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
    if( aSource.DisplayMode() != aTarget.DisplayMode() )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
        User::Leave( KErrNotSupported );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
    switch( aSource.DisplayMode() )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
        case CVtImage::EVtColor4K:
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
        case CVtImage::EVtColor64K:
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
        case CVtImage::EVtColor16M:
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
        case CVtImage::EVtColor16MU:
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
        case CVtImage::EVtColor16MA:
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
            break;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
        default:
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
            // Scaling for bitmaps is supported for other display modes
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
            if ( !( aSource.Type() == CVtImage::EVtImageBitmap &&
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
                 aTarget.Type() == CVtImage::EVtImageBitmap ) )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
                User::Leave( KErrNotSupported );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
// CVtImageScalerImplBilinear::Initialize()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
void CVtImageScalerImplBilinear::Initialize()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
    iU = ( 1 << KDecimalBits ) * iSource->Size().iWidth /
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
        iTarget->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
    iV = ( 1 << KDecimalBits ) * iSource->Size().iHeight /
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
        iTarget->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
// -----------------------------------------------------------------------------
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
// CVtImageScalerImplBilinear::Scale4K()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
void CVtImageScalerImplBilinear::Scale4K()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale4K() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
    TInt width = iTarget->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
    TInt height = iTarget->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
    TInt mod_width = width - ( ( 1 << KDecimalBits ) / iU );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
    TUint16* t = reinterpret_cast< TUint16* >( iTarget->DataAddress() );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
    TUint32 sourceY( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    TUint32 b00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
    TUint32 g00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
    TUint32 r00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
    TUint32 b01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
    TUint32 g01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
    TUint32 r01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
    TUint32 b10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
    TUint32 g10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
    TUint32 r10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
    TUint32 b11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
    TUint32 g11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
    TUint32 r11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
    for( TInt y = 0; y < height; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
        TUint16* s = reinterpret_cast< TUint16* >(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
            iSource->LineAddress( sourceY >> KDecimalBits ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
        TUint16* snext = reinterpret_cast< TUint16* >(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
            iSource->LineAddress( ( sourceY >> KDecimalBits ) + 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
        TUint32 invdv = sourceY & ( ( 1 << KDecimalBits ) - 1 ); // decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   232
        TUint32 dv = ( 1 << KDecimalBits ) - invdv; // 1 - decimal part
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        TUint32 sourceX( 0 );
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        TUint32 x0prev( TUint32( -1 ) );
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        TInt x;
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   239
        for( x = 0; x < mod_width; x++ )
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   240
            {
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            TUint32 x0 = sourceX >> KDecimalBits;
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   243
            // If the source is still same then we don't have to fetch
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   244
            // pixels from memory and unpack them again
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   245
            if( x0 != x0prev )
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   246
                {
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   247
                TUint32 p0 = *( s + x0 );
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                b00 = UNPACK_4K_BLUE( p0 );
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                g00 = UNPACK_4K_GREEN( p0 );
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                r00 = UNPACK_4K_RED( p0 );
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   253
                p0 = *( s + x0 + 1 );
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   254
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   255
                b01 = UNPACK_4K_BLUE( p0 );
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   256
                g01 = UNPACK_4K_GREEN( p0 );
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   257
                r01 = UNPACK_4K_RED( p0 );
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   259
                p0 = *( snext + x0 );
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   261
                b10 = UNPACK_4K_BLUE( p0 );
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   262
                g10 = UNPACK_4K_GREEN( p0 );
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   263
                r10 = UNPACK_4K_RED( p0 );
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   264
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   265
                p0 = *( snext + x0 + 1 );
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   266
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   267
                b11 = UNPACK_4K_BLUE( p0 );
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   268
                g11 = UNPACK_4K_GREEN( p0 );
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   269
                r11 = UNPACK_4K_RED( p0 );
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   270
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                x0prev = x0;
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   272
                }
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            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
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            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
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            TUint32 w1 = ( du * dv ) >> KDecimalBits;
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            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
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            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
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            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
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            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
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   283
            bres += ( 1 << ( KDecimalBits - 1 ) );
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   284
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
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   285
            gres += ( 1 << ( KDecimalBits - 1 ) );
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   286
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
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   287
            rres += ( 1 << ( KDecimalBits - 1 ) );
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   288
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   289
            *t = 0;
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   290
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   291
            *t++ = PACK_4K_BGR(
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   292
                bres >> KDecimalBits,
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   293
                gres >> KDecimalBits,
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   294
                rres >> KDecimalBits );
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   295
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   296
            sourceX += iU;
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   297
            }
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   298
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   299
        // last columns
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   300
        for( ; x < width; x++ )
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   301
            {
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   302
            TUint32 x0 = sourceX >> KDecimalBits;
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parents:
diff changeset
   303
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   304
            // If the source is still same then we don't have to fetch pixels
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parents:
diff changeset
   305
            // from memory and unpack them again
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parents:
diff changeset
   306
            if( x0 != x0prev )
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parents:
diff changeset
   307
                {
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parents:
diff changeset
   308
                TUint32 p0 = *( s + x0 );
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parents:
diff changeset
   309
                b01 = b00 = UNPACK_4K_BLUE( p0 );
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parents:
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   310
                g01 = g00 = UNPACK_4K_GREEN( p0 );
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parents:
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   311
                r01 = r00 = UNPACK_4K_RED( p0 );
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parents:
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   312
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   313
                p0 = *( snext + x0 );
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parents:
diff changeset
   314
                b11 = b10 = UNPACK_4K_BLUE( p0 );
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parents:
diff changeset
   315
                g11 = g10 = UNPACK_4K_GREEN( p0 );
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parents:
diff changeset
   316
                r11 = r10 = UNPACK_4K_RED( p0 );
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parents:
diff changeset
   317
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   318
                x0prev = x0;
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parents:
diff changeset
   319
                }
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parents:
diff changeset
   320
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parents:
diff changeset
   321
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
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parents:
diff changeset
   322
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
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parents:
diff changeset
   323
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parents:
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   324
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
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parents:
diff changeset
   325
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
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parents:
diff changeset
   327
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
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parents:
diff changeset
   328
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parents:
diff changeset
   329
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
            bres += ( 1 << ( KDecimalBits - 1 ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
            gres += ( 1 << ( KDecimalBits - 1 ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
            rres += ( 1 << ( KDecimalBits - 1 ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
            *t++ = PACK_4K_BGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
                bres >> KDecimalBits,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
                gres >> KDecimalBits,
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
                rres >> KDecimalBits );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
            sourceX += iU;
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parents:
diff changeset
   342
            }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
        // if width is not even -> then we need to skip one additional byte
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
        if( width & 1 )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
            t++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
        sourceY += iV;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale4K() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
// CVtImageScalerImplBilinear::Scale64K()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
void CVtImageScalerImplBilinear::Scale64K()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale64K() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
    TInt width = iTarget->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
    TInt height = iTarget->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
    TInt mod_width = width - ( ( 1 << KDecimalBits ) / iU );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
    TUint16* t = reinterpret_cast< TUint16* >( iTarget->DataAddress() );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
    TUint32 sourceY( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
    TUint32 b00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    TUint32 g00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
    TUint32 r00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
    TUint32 b01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
    TUint32 g01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
    TUint32 r01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
    TUint32 b10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    TUint32 g10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    TUint32 r10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
    TUint32 b11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
    TUint32 g11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
    TUint32 r11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
    for( TInt y = 0; y < height; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
        TUint16* s = reinterpret_cast< TUint16* >(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
            iSource->LineAddress( sourceY >> KDecimalBits ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
        TUint16* snext = reinterpret_cast< TUint16* >(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
            iSource->LineAddress( ( sourceY >> KDecimalBits ) + 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
        TUint32 invdv = sourceY & ( ( 1 << KDecimalBits ) - 1 ); // decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
        TUint32 dv = ( 1 << KDecimalBits ) - invdv; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
        TUint32 sourceX( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
        TUint32 x0prev( TUint32( -1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
        TInt x;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
        for( x = 0; x < mod_width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
            TUint32 x0 = sourceX >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
            // If the source is still same then we don't have to fetch pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
            // from memory and unpack them again
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
                TUint32 p0 = *( s + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
                b00 = UNPACK_64K_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
                g00 = UNPACK_64K_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
                r00 = UNPACK_64K_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
                p0 = *( s + x0 + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
                b01 = UNPACK_64K_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
                g01 = UNPACK_64K_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
                r01 = UNPACK_64K_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
                p0 = *( snext + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
                b10 = UNPACK_64K_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
                g10 = UNPACK_64K_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
                r10 = UNPACK_64K_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
                p0 = *( snext + x0 + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
                b11 = UNPACK_64K_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
                g11 = UNPACK_64K_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
                r11 = UNPACK_64K_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
            *t++ = PACK_64K_BGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
                bres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
                gres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
                rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
        // last columns
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
        for( ; x < width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
            TUint32 x0 = sourceX >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
            // If the source is still same then we don't have to fetch pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
            // from memory and unpack them again
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
                TUint32 p0 = *( s + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
                b01 = b00 = UNPACK_64K_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
                g01 = g00 = UNPACK_64K_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
                r01 = r00 = UNPACK_64K_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
                p0 = *( snext + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
                b11 = b10 = UNPACK_64K_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
                g11 = g10 = UNPACK_64K_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
                r11 = r10 = UNPACK_64K_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
            *t++ = PACK_64K_BGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
                bres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
                gres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
                rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
        // if width is not even -> then we need to skip one additional byte
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
        if( width & 1 )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
            t++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
        sourceY += iV;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale64K() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
// CVtImageScalerImplBilinear::Scale16M()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
void CVtImageScalerImplBilinear::Scale16M()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale16M() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
    TInt width = iTarget->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
    TInt height = iTarget->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
    TInt mod_width = width - ( ( 1 << KDecimalBits ) / iU );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
    TUint32 t_pitch = iTarget->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
    TUint8* t = reinterpret_cast< TUint8* >( iTarget->DataAddress() );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
    TUint32 sourceY( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
    TUint32 b00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
    TUint32 g00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
    TUint32 r00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
    TUint32 b01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
    TUint32 g01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
    TUint32 r01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
    TUint32 b10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
    TUint32 g10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
    TUint32 r10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
    TUint32 b11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
    TUint32 g11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
    TUint32 r11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
    for( TInt y = 0; y < height; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
        TUint8* s = reinterpret_cast< TUint8* >(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
            iSource->LineAddress( sourceY >> KDecimalBits ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
        TUint8* snext = reinterpret_cast< TUint8* >(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
        iSource->LineAddress( ( sourceY >> KDecimalBits ) + 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
        TUint32 invdv = sourceY & ( ( 1 << KDecimalBits ) - 1 ); // decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
        TUint32 dv = ( 1 << KDecimalBits ) - invdv; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
        TUint32 sourceX( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
        TUint32 x0prev( TUint32( -1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
        TInt x;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
        TUint8* d = t;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
        for( x = 0; x < mod_width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
            TUint32 x0 = ( sourceX >> KDecimalBits ) * 3;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
                TUint8* tempSrc = s + x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
                b00 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
                g00 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
                r00 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
                b01 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
                g01 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
                r01 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
                tempSrc = snext + x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
                b10 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
                g10 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
                r10 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
                b11 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
                g11 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
                r11 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
            *d++ = static_cast< TUint8 >( bres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
            *d++ = static_cast< TUint8 >( gres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
            *d++ = static_cast< TUint8 >( rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
        // last columns
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
        for( ; x < width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
            TUint32 x0 = ( sourceX >> KDecimalBits ) * 3;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
                TUint8* tempSrc = s + x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
                b01 = b00 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
                g01 = g00 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
                r01 = r00 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
                tempSrc = snext + x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
                b11 = b10 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
                g11 = g10 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
                r11 = r10 = *tempSrc++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
            *d++ = static_cast< TUint8 >( bres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
            *d++ = static_cast< TUint8 >( gres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
            *d++ = static_cast< TUint8 >( rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
        t += t_pitch;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
        sourceY += iV;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale16M() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
// CVtImageScalerImplBilinear::Scale16MU()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
void CVtImageScalerImplBilinear::Scale16MU()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale16MU() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
    TInt width = iTarget->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
    TInt height = iTarget->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
    TInt mod_width = width - ( ( 1 << KDecimalBits ) / iU );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
    TUint32* t = iTarget->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
    TUint32 sourceY( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
    TUint32 b00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
    TUint32 g00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
    TUint32 r00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
    TUint32 b01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
    TUint32 g01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
    TUint32 r01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
    TUint32 b10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
    TUint32 g10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
    TUint32 r10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
    TUint32 b11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
    TUint32 g11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
    TUint32 r11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
    for( TInt y = 0; y < height; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
        TUint32* s = iSource->LineAddress( sourceY >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
        TUint32* snext = iSource->LineAddress( ( sourceY >> KDecimalBits ) + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
        TUint32 invdv = sourceY & ( ( 1 << KDecimalBits ) - 1 ); // decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
        TUint32 dv = ( 1 << KDecimalBits ) - invdv; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
        TUint32 sourceX( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
        TUint32 x0prev( TUint32( -1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
        TInt x;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
        for( x = 0; x < mod_width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
            TUint32 x0 = sourceX >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
            // If the source is still same then we don't have to fetch pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
            // from memory and unpack them again
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
                TUint32 p0 = *( s + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
                b00 = UNPACK_16MU_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
                g00 = UNPACK_16MU_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
                r00 = UNPACK_16MU_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
                p0 = *( s + x0 + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
                b01 = UNPACK_16MU_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
                g01 = UNPACK_16MU_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
                r01 = UNPACK_16MU_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
                p0 = *( snext + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
                b10 = UNPACK_16MU_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
                g10 = UNPACK_16MU_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
                r10 = UNPACK_16MU_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   737
                p0 = *( snext + x0 + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   738
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
                b11 = UNPACK_16MU_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   740
                g11 = UNPACK_16MU_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   741
                r11 = UNPACK_16MU_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   752
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   760
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
            *t++ = PACK_16MU_BGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
                bres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
                gres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
                rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
        // last columns
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
        for( ; x < width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
            TUint32 x0 = sourceX >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
            // If the source is still same then we don't have to fetch pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
            // from memory and unpack them again
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   778
                TUint32 p0 = *( s + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   779
                b01 = b00 = UNPACK_16MU_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
                g01 = g00 = UNPACK_16MU_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
                r01 = r00 = UNPACK_16MU_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
                p0 = *( snext + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   784
                b11 = b10 = UNPACK_16MU_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   785
                g11 = g10 = UNPACK_16MU_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
                r11 = r10 = UNPACK_16MU_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   800
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   801
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   802
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   803
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   804
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
            *t++ = PACK_16MU_BGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
                bres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
                gres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
                rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   811
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   812
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   813
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   814
        sourceY += iV;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   815
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   816
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   817
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale16MU() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   818
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   819
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   820
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   821
// CVtImageScalerImplBilinear::Scale16MA()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   822
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   823
void CVtImageScalerImplBilinear::Scale16MA()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   824
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   825
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale16MA() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   826
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   827
    TInt width = iTarget->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   828
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   829
    TInt height = iTarget->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   830
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   831
    TInt mod_width = width - ( ( 1 << KDecimalBits ) / iU );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   832
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   833
    TUint32* t = iTarget->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   834
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   835
    TUint32 sourceY( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   836
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   837
    TUint32 a00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   838
    TUint32 b00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   839
    TUint32 g00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   840
    TUint32 r00( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   841
    TUint32 a01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   842
    TUint32 b01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   843
    TUint32 g01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   844
    TUint32 r01( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   845
    TUint32 a10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   846
    TUint32 b10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   847
    TUint32 g10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   848
    TUint32 r10( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   849
    TUint32 a11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   850
    TUint32 b11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   851
    TUint32 g11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   852
    TUint32 r11( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   853
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   854
    for( TInt y = 0; y < height; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   855
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   856
        TUint32* s = iSource->LineAddress( sourceY >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   857
        TUint32* snext = iSource->LineAddress( ( sourceY >> KDecimalBits ) + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   858
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   859
        TUint32 invdv = sourceY & ( ( 1 << KDecimalBits ) - 1 ); // decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   860
        TUint32 dv = ( 1 << KDecimalBits ) - invdv; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   861
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   862
        TUint32 sourceX( 0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   863
        TUint32 x0prev( TUint32( -1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   864
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   865
        TInt x;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   866
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   867
        for( x = 0; x < mod_width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   868
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   869
            TUint32 x0 = sourceX >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   870
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   871
            // If the source is still same then we don't have to fetch pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   872
            // from memory and unpack them again
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   873
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   874
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   875
                TUint32 p0 = *( s + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   876
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   877
                a00 = UNPACK_16MA_ALPHA( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   878
                b00 = UNPACK_16MA_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   879
                g00 = UNPACK_16MA_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   880
                r00 = UNPACK_16MA_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   881
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   882
                p0 = *( s + x0 + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   883
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   884
                a01 = UNPACK_16MA_ALPHA( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   885
                b01 = UNPACK_16MA_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   886
                g01 = UNPACK_16MA_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   887
                r01 = UNPACK_16MA_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   888
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   889
                p0 = *( snext + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   890
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   891
                a10 = UNPACK_16MA_ALPHA( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   892
                b10 = UNPACK_16MA_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   893
                g10 = UNPACK_16MA_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   894
                r10 = UNPACK_16MA_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   895
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   896
                p0 = *( snext + x0 + 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   897
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   898
                a11 = UNPACK_16MA_ALPHA( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   899
                b11 = UNPACK_16MA_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   900
                g11 = UNPACK_16MA_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   901
                r11 = UNPACK_16MA_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   902
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   903
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   904
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   905
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   906
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   907
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   908
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   909
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   910
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   911
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   912
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   913
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   914
            TUint32 ares = w1 * a00 + w2 * a01 + w3 * a10 + w4 * a11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   915
            ares += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   916
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   917
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   918
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   919
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   920
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   921
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   922
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   923
            *t++ = PACK_16MA_ABGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   924
                ares >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   925
                bres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   926
                gres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   927
                rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   928
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   929
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   930
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   931
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   932
        // last columns
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   933
        for( ; x < width; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   934
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   935
            TUint32 x0 = sourceX >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   936
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   937
            // If the source is still same then we don't have to fetch pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   938
            // from memory and unpack them again
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   939
            if( x0 != x0prev )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   940
                {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   941
                TUint32 p0 = *( s + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   942
                a01 = a00 = UNPACK_16MA_ALPHA( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   943
                b01 = b00 = UNPACK_16MA_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   944
                g01 = g00 = UNPACK_16MA_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   945
                r01 = r00 = UNPACK_16MA_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   946
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   947
                p0 = *( snext + x0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   948
                a11 = a10 = UNPACK_16MA_ALPHA( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   949
                b11 = b10 = UNPACK_16MA_BLUE( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   950
                g11 = g10 = UNPACK_16MA_GREEN( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   951
                r11 = r10 = UNPACK_16MA_RED( p0 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   952
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   953
                x0prev = x0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   954
                }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   955
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   956
            TUint32 invdu = sourceX & ( ( 1 << KDecimalBits ) - 1 ); // decimal
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   957
            TUint32 du = ( 1 << KDecimalBits ) - invdu; // 1 - decimal part
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   958
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   959
            TUint32 w1 = ( du * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   960
            TUint32 w2 = ( invdu * dv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   961
            TUint32 w3 = ( du * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   962
            TUint32 w4 = ( invdu * invdv ) >> KDecimalBits;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   963
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   964
            TUint32 ares = w1 * a00 + w2 * a01 + w3 * a10 + w4 * a11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   965
            ares += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   966
            TUint32 bres = w1 * b00 + w2 * b01 + w3 * b10 + w4 * b11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   967
            bres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   968
            TUint32 gres = w1 * g00 + w2 * g01 + w3 * g10 + w4 * g11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   969
            gres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   970
            TUint32 rres = w1 * r00 + w2 * r01 + w3 * r10 + w4 * r11;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   971
            rres += ( 1 << ( KDecimalBits - 1 ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   972
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   973
            *t++ = PACK_16MA_ABGR(
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   974
                ares >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   975
                bres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   976
                gres >> KDecimalBits,
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   977
                rres >> KDecimalBits );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   978
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   979
            sourceX += iU;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   980
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   981
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   982
        sourceY += iV;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   983
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   984
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   985
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale16MA() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   986
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   987
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   988
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   989
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   990
// CVtImageScalerImplBilinear::Scale2x4K64K( TUint32 aMask )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   991
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   992
void CVtImageScalerImplBilinear::Scale2x4K64K( TUint32 aMask )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   993
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   994
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale2x4K64K() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   995
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   996
    TInt sheight = iSource->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   997
    TInt swidth = iSource->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   998
    TInt spitch = iSource->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   999
    TInt dpitch = iTarget->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1000
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1001
    TUint32* s = iSource->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1002
    TUint32* d = iTarget->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1003
    TInt y;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1004
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1005
    // first average source rows
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1006
    for( y = 0; y < sheight; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1007
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1008
        TUint32* s1 = s;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1009
        TUint32* d1 = d;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1010
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1011
        TUint32 p = *s1++; // 2 pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1012
        TUint32 p1 = p & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1013
        TUint32 p2 = ( p >> 16 ) & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1014
        TInt x;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1015
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1016
        for( x = 0; x < swidth/2 - 1; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1017
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1018
            TUint32 p1a = ( ( ( p1 ^ p2 ) & aMask ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1019
            *d1++ = p1 | ( p1a << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1020
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1021
            p = *s1++; // 2 pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1022
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1023
            p1 = p & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1024
            TUint32 p2a = ( ( ( p1 ^ p2 ) & aMask ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1025
            *d1++ = p2 | ( p2a << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1026
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1027
            p2 = ( p >> 16 ) & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1028
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1029
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1030
        TUint32 p1a = ( ( ( p1 ^ p2 ) & aMask ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1031
        *d1++ = p1 | ( p1a << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1032
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1033
        if( swidth & 1 )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1034
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1035
            p = *s1; // 2 pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1036
            p1 = p & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1037
            TUint32 p2a = ( ( ( p1 ^ p2 ) & aMask ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1038
            *d1++ = p2 | ( p2a << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1039
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1040
            p = *--s1; // 2 pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1041
            p2 = ( p >> 16 ) & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1042
            *d1++ = p1 | ( p1 << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1043
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1044
        else
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1045
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1046
            p = *--s1; // 2 pixels
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1047
            p2 = ( p >> 16 ) & 0xffff;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1048
            *d1++ = p2 | ( p2 << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1049
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1050
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1051
        d = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1052
            ( reinterpret_cast< TUint8* >( d ) + dpitch * 2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1053
        s = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1054
            ( reinterpret_cast< TUint8* >( s ) + spitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1055
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1056
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1057
    // then average rows between
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1058
    d = iTarget->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1059
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1060
    TUint32 mask32bit = aMask | ( aMask << 16 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1061
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1062
    for( y = 0; y < sheight - 1; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1063
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1064
        TUint32* d1 = reinterpret_cast< TUint32* >( d );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1065
        TUint32* d2 = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1066
            ( reinterpret_cast< TUint8* >( d1 ) + dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1067
        TUint32* d3 = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1068
            ( reinterpret_cast< TUint8* >( d2 ) + dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1069
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1070
        for( TInt x = 0; x < swidth; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1071
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1072
            TUint32 p1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1073
            TUint32 p2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1074
            *d2++ = ( ( ( p1 ^ p2 ) & mask32bit ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1075
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1076
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1077
        d = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1078
            ( reinterpret_cast< TUint8* >( d ) + dpitch * 2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1079
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1080
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1081
    // last row is just copy of previous row, because we cannot calculate
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1082
    // average
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1083
    Mem::Copy( reinterpret_cast< TUint8* >( d ) + dpitch, d, dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1084
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1085
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale2x4K64K() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1086
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1087
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1088
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1089
// CVtImageScalerImplBilinear::Scale2x16M()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1090
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1091
void CVtImageScalerImplBilinear::Scale2x16M()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1092
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1093
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale2x16M() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1094
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1095
    TInt sheight = iSource->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1096
    TInt swidth = iSource->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1097
    TInt spitch = iSource->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1098
    TInt dpitch = iTarget->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1099
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1100
    TUint8* s = reinterpret_cast< TUint8* >( iSource->DataAddress() );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1101
    TUint8* d = reinterpret_cast< TUint8* >( iTarget->DataAddress() );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1102
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1103
    TInt y;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1104
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1105
    for( y = 0; y < sheight; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1106
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1107
        TUint8* s2 = s;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1108
        TUint8* d1 = d;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1109
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1110
        TUint32 g1 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1111
        TUint32 b1 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1112
        TUint32 r1 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1113
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1114
        TUint32 g2 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1115
        TUint32 b2 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1116
        TUint32 r2 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1117
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1118
        for( TInt x = 0; x < swidth - 1; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1119
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1120
            g1 = *s2++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1121
            b1 = *s2++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1122
            r1 = *s2++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1123
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1124
            *d1++ = static_cast< TUint8 >( g1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1125
            *d1++ = static_cast< TUint8 >( b1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1126
            *d1++ = static_cast< TUint8 >( r1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1127
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1128
            g2 = s2[ 0 ];
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1129
            b2 = s2[ 1 ];
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1130
            r2 = s2[ 2 ];
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1131
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1132
            *d1++ = static_cast< TUint8 >( ( g1 + g2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1133
            *d1++ = static_cast< TUint8 >( ( b1 + b2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1134
            *d1++ = static_cast< TUint8 >( ( r1 + r2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1135
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1136
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1137
        *d1++ = static_cast< TUint8 >( ( g1 + g2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1138
        *d1++ = static_cast< TUint8 >( ( b1 + b2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1139
        *d1++ = static_cast< TUint8 >( ( r1 + r2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1140
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1141
        *d1++ = static_cast< TUint8 >( g2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1142
        *d1++ = static_cast< TUint8 >( b2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1143
        *d1++ = static_cast< TUint8 >( r2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1144
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1145
        d += dpitch * 2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1146
        s += spitch;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1147
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1148
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1149
    // then average rows between
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1150
    d = reinterpret_cast< TUint8* >( iTarget->DataAddress() );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1151
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1152
    for( y = 0; y < sheight - 1; y++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1153
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1154
        TUint8* d1 = d;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1155
        TUint8* d2 = d1 + dpitch;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1156
        TUint8* d3 = d2 + dpitch;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1157
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1158
        for( TInt x = 0; x < swidth; x++ )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1159
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1160
            TUint32 g1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1161
            TUint32 g2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1162
            *d2++ = static_cast< TUint8 >( ( g1 + g2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1163
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1164
            TUint32 b1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1165
            TUint32 b2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1166
            *d2++ = static_cast< TUint8 >( ( b1 + b2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1167
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1168
            TUint32 r1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1169
            TUint32 r2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1170
            *d2++ = static_cast< TUint8 >( ( r1 + r2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1171
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1172
            g1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1173
            g2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1174
            *d2++ = static_cast< TUint8 >( ( g1 + g2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1175
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1176
            b1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1177
            b2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1178
            *d2++ = static_cast< TUint8 >( ( b1 + b2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1179
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1180
            r1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1181
            r2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1182
            *d2++ = static_cast< TUint8 >( ( r1 + r2 ) >> 1 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1183
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1184
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1185
        d += dpitch * 2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1186
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1187
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1188
    // last row is just copy of previous row, because we cannot calculate
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1189
    // average
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1190
    Mem::Copy( reinterpret_cast< TUint8* >( d ) + dpitch, d, dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1191
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1192
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale2x16M() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1193
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1194
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1195
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1196
// CVtImageScalerImplBilinear::Scale2x16MU16MA()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1197
// -----------------------------------------------------------------------------
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1198
void CVtImageScalerImplBilinear::Scale2x16MU16MA()
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1199
    {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1200
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1201
#if defined ( __MARM_ARMI__ ) && defined ( NDEBUG ) && defined ( __USE_ASM_OPTS ) // From urel
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1202
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1203
 		asm("stmfd	sp!, {r4, r5, r6, r7, r8, r9, sl, r11, r12, lr} ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1204
        asm("ldr    r11, .L1_671");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1205
 		asm("sub	sp, sp, #24 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1206
 		asm("mov	r6, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1207
 		asm("ldr	r1, [r6, #4] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1208
 		asm("ldr	r3, [r1, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1209
 		asm("add	r0, sp, #16 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1210
 		asm("ldr	ip, [r3, #20] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1211
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1212
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1213
 		asm("ldr	r7, [sp, #20] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1214
 		asm("ldr	r1, [r6, #4] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1215
 		asm("ldr	r3, [r1, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1216
 		asm("add	r0, sp, #8 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1217
 		asm("ldr	ip, [r3, #20] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1218
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1219
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1220
 		asm("ldr	r9, [sp, #8] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1221
 		asm("str	r9, [sp, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1222
 		asm("ldr	r0, [r6, #4] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1223
 		asm("ldr	r3, [r0, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1224
 		asm("ldr	ip, [r3, #24] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1225
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1226
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1227
 		asm("str	r0, [sp, #4] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1228
 		asm("ldr	r0, [r6, #8] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1229
 		asm("ldr	r3, [r0, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1230
 		asm("ldr	ip, [r3, #24] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1231
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1232
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1233
 		asm("mov	sl, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1234
 		asm("ldr	r0, [r6, #4] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1235
 		asm("ldr	r3, [r0, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1236
 		asm("ldr	ip, [r3, #28] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1237
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1238
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1239
 		asm("mov	r4, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1240
 		asm("ldr	r0, [r6, #8] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1241
 		asm("ldr	r3, [r0, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1242
 		asm("ldr	ip, [r3, #28] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1243
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1244
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1245
 		asm("mov	r5, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1246
 		asm("subs	r8, r7, #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1247
 		asm("bmi	.L1_654 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1248
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1249
asm("	.L1_656: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1250
 		asm("mov	ip, r5 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1251
        asm("mov	lr, r4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1252
 		asm("ldr	r1, [lr], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1253
 		asm("ldr	r9, [sp, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1254
        asm("cmp    r9, #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1255
        asm("bhi    .L1_658_1");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1256
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1257
        // picture width lower or equal to 4
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1258
        asm("subs   r0, r9, #2");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1259
        asm("bmi    .L1_658");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1260
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1261
        asm("ldr	r9, [lr], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1262
        asm("eor	r2, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1263
        asm("and    r2, r2, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1264
 		asm("and	r3, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1265
 		asm("add	r3, r3, r2, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1266
        asm("str    r1, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1267
        asm("str    r3, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1268
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1269
        asm("subs   r0, r0, #1");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1270
        asm("strmi  r9, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1271
        asm("strmi  r9, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1272
        asm("bmi    .L1_658");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1273
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1274
        asm("ldr	r1, [lr], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1275
        asm("eor	r2, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1276
        asm("and    r2, r2, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1277
 		asm("and	r3, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1278
 		asm("add	r3, r3, r2, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1279
        asm("str    r9, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1280
        asm("str    r3, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1281
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1282
        asm("subs   r0, r0, #1");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1283
        asm("strmi  r1, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1284
        asm("strmi  r1, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1285
        asm("bmi    .L1_658");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1286
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1287
        asm("ldr	r9, [lr], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1288
        asm("eor	r2, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1289
        asm("and    r2, r2, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1290
 		asm("and	r3, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1291
 		asm("add	r3, r3, r2, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1292
        asm("str    r1, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1293
        asm("str    r3, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1294
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1295
        asm("b      .L1_658");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1296
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1297
        // picture width higher than 4
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1298
asm("   .L1_658_1:");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1299
        asm("mov    r9, r9, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1300
 		asm("subs	r0, r9, #2 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1301
 		asm("bmi	.L1_658 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1302
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1303
asm("	.L1_660: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1304
		asm("ldr	r9, [lr], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1305
        asm("eor	r2, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1306
        asm("and    r2, r2, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1307
 		asm("and	r3, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1308
 		asm("add	r3, r3, r2, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1309
        asm("stmia  ip!, { r1, r3, r9 } ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1310
        asm("sub	r0, r0, #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1311
		asm("ldr	r1, [lr], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1312
        asm("eor	r2, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1313
        asm("and    r2, r2, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1314
 		asm("and	r3, r9, r1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1315
 		asm("add	r3, r3, r2, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1316
        asm("str	r3, [ip], #4");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1317
        asm("cmp    r0,#0");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1318
 		asm("bge	.L1_660 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1319
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1320
asm("	.L1_658: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1321
 		asm("str	r1, [ip], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1322
 		asm("str	r1, [ip, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1323
 		asm("add	r5, r5, sl, asl #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1324
 		asm("ldr	r9, [sp, #4] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1325
 		asm("add	r4, r4, r9 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1326
 		asm("subs	r8, r8, #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1327
 		asm("bpl	.L1_656 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1328
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1329
asm("	.L1_654: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1330
 		asm("ldr	r0, [r6, #8] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1331
 		asm("ldr	r3, [r0, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1332
 		asm("ldr	ip, [r3, #28] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1333
 		asm("mov	lr, pc ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1334
 		asm("bx	ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1335
 		asm("mov	r5, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1336
 		asm("subs	r8, r7, #2 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1337
 		asm("bmi	.L1_664 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1338
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1339
asm("	.L1_666: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1340
 		asm("mov	r7, r5 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1341
 		asm("add	r4, r5, sl ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1342
 		asm("add	r6, r4, sl ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1343
 		asm("ldr	r9, [sp, #0] ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1344
 		asm("subs	lr, r9, #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1345
 		asm("bmi	.L1_668 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1346
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1347
asm("	.L1_670: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1348
        asm("ldr	r1, [r7], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1349
        asm("ldr	r2, [r7], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1350
        asm("ldr	r0, [r6], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1351
        asm("ldr	ip, [r6], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1352
        asm("eor	r3, r1, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1353
        asm("and    r3, r3, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1354
        asm("and	r1, r1, r0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1355
        asm("add	r1, r1, r3, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1356
        asm("str	r1, [r4], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1357
        asm("eor	r3, r2, ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1358
        asm("and    r3, r3, r11 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1359
        asm("and	r2, r2, ip ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1360
        asm("add	r2, r2, r3, lsr #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1361
        asm("str	r2, [r4], #4 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1362
        asm("subs	lr, lr, #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1363
 		asm("bpl	.L1_670 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1364
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1365
asm("	.L1_668: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1366
 		asm("add	r5, r5, sl, asl #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1367
 		asm("subs	r8, r8, #1 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1368
 		asm("bpl	.L1_666 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1369
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1370
asm("	.L1_664: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1371
 		asm("add	r0, r5, sl ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1372
 		asm("mov	r1, r5 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1373
 		asm("mov	r2, sl ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1374
 		asm("bl	Copy__3MemPvPCvi ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1375
 		asm("add	sp, sp, #24 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1376
 		asm("ldmfd	sp!, {r4, r5, r6, r7, r8, r9, sl, r11, r12, lr} ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1377
 		asm("bx	lr ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1378
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1379
asm("    .align 0 ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1380
asm("    .L1_671: ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1381
asm("        .word   0x00fefefe ");
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1382
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1383
#else
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1384
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1385
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale2x16MU16MA() >>" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1386
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1387
    TInt sheight = iSource->Size().iHeight;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1388
    TInt swidth = iSource->Size().iWidth;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1389
    TInt spitch = iSource->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1390
    TInt dpitch = iTarget->BytesPerRow();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1391
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1392
    TUint32 mask = 0xfefefefe;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1393
    TUint32* s = iSource->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1394
    TUint32* d = iTarget->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1395
    TInt y;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1396
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1397
    TUint32 p1;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1398
    TUint32 p2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1399
    TUint32 p3;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1400
    TUint32 p4;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1401
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1402
    // first average source rows
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1403
    for( y = sheight - 1; y >= 0; y-- )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1404
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1405
        TUint32* s1 = s;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1406
        TUint32* d1 = d;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1407
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1408
        TUint32 p2 = *s1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1409
        TUint32 p1 = 0;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1410
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1411
        for( TInt x = swidth - 2; x >= 0; x-- )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1412
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1413
            *d1++ = p2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1414
            p1 = p2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1415
            p2 = *s1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1416
            *d1++ = ( ( ( p1 ^ p2 ) & mask ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1417
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1418
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1419
        *d1++ = p2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1420
        *d1++ = p2;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1421
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1422
        d = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1423
            ( reinterpret_cast< TUint8* >( d ) + dpitch * 2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1424
        s = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1425
            ( reinterpret_cast< TUint8* >( s ) + spitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1426
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1427
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1428
    // then average rows between
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1429
    d = iTarget->DataAddress();
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1430
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1431
    for( y = sheight - 2; y >= 0; y-- )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1432
        {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1433
        TUint32* d1 = reinterpret_cast< TUint32* >( d );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1434
        TUint32* d2 = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1435
            ( reinterpret_cast< TUint8* >( d1 ) + dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1436
        TUint32* d3 = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1437
            ( reinterpret_cast< TUint8* >( d2 ) + dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1438
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1439
        for( TInt x = swidth - 1; x >= 0; x-- )
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1440
            {
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1441
            p1 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1442
            p2 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1443
            *d2++ = ( ( ( p1 ^ p2 ) & mask ) >> 1 ) + ( p1 & p2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1444
            p3 = *d1++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1445
            p4 = *d3++;
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1446
            *d2++ = ( ( ( p3 ^ p4 ) & mask ) >> 1 ) + ( p3 & p4 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1447
            }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1448
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1449
        d = reinterpret_cast< TUint32* >
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1450
            ( reinterpret_cast< TUint8* >( d ) + dpitch * 2 );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1451
        }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1452
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1453
    // last row is just copy of previous row, because we cannot calculate
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1454
    // average
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1455
    Mem::Copy( reinterpret_cast< TUint8* >( d ) + dpitch, d, dpitch );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1456
    __IF_DEBUG( Print( _L( "ImageScaler [%d]: CVtImageScalerImplBilinear::Scale2x16MU16MA() <<" ), RThread().Id().operator TUint() ) );
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1457
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1458
#endif
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1459
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1460
    }
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1461
ed9695c8bcbe Revision: 200948
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1462
// End of File