/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

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

* which accompanies this distribution, and is available

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

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  8 bits for red, green and blue component in a pixel.

*

*/

//  INCLUDE FILES

#include "TMID888Format.h"

inline TUint32 ConvertInternalInline888(const TMIDInternalARGB& aInternal)

{

    // fully opaque always, alpha is 0

    return ((aInternal.iR << KMIDShift16Bits) & K888RMax) +

           ((aInternal.iG << KMIDShift8Bits) & K888GMax) +

           ((aInternal.iB) & K888BMax);

}

void ConvertInline888(TMIDInternalARGB& aResult, TUint32 aColor)

{

    aResult.iA = KAlphaFullOpaque;

    aResult.iR = (TUint8)((aColor & K888RMax) >> KMIDShift16Bits);

    aResult.iG = (TUint8)((aColor & K888GMax) >> KMIDShift8Bits);

    aResult.iB = (TUint8)(aColor & K888BMax);

}

void TMID888Format::InitializeL(const TMIDBitmapParameters& aParameters)

{

    TMIDFormatConverter::InitializeL(aParameters);

    iOffset += iTransformer.iPoint.iX + iTransformer.iPoint.iY * iScanlength;

    iBitmap = aParameters.iPixels;

    iAlphaBitmap = (TUint8*)aParameters.iAlpha;

}

TUint32 TMID888Format::ConvertInternal(const TMIDInternalARGB& aInternal)

{

    return ConvertInternalInline888(aInternal);

}

void TMID888Format::Convert(TMIDInternalARGB& aResult, TUint32 aColor) const

{

    ConvertInline888(aResult, aColor);

}

void TMID888Format::GetPixel(TMIDInternalARGB& aResult) const

{

    ConvertInline888(aResult, iBitmap[ iOffset ]);    // CSI: 2 Wrong offset means implementation error #

}

void TMID888Format::PlotPixel(const TMIDInternalARGB& aInternal)

{

    iBitmap[ iOffset ] = ConvertInternalInline888(aInternal);   // CSI: 2 Wrong offset means implementation error #

}

TUint8 TMID888Format::GetAlpha() const

{

    // we need only last 8 bits since it is either white or black

    return (TUint8)(iAlphaBitmap[ iOffset ] & KMIDEightRightBits);  // CSI: 2 Wrong offset means implementation error #

}

TBool TMID888Format::CheckSize(TInt aPixelSize, TInt aLastDrawnPixelOffset)

{

    return ((aLastDrawnPixelOffset * KBytesPerPixel888) <= aPixelSize);

}