author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 25 May 2010 12:34:19 +0300 | |
branch | RCL_3 |
changeset 18 | 9ac0a0a7da70 |
parent 14 | 04becd199f91 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006-2007 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: 8 bits for red, green and blue component in a pixel. |
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* |
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*/ |
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// INCLUDE FILES |
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#include "TMID888Format.h" |
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inline TUint32 ConvertInternalInline888(const TMIDInternalARGB& aInternal) |
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{ |
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// fully opaque always, alpha is 0 |
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return ((aInternal.iR << KMIDShift16Bits) & K888RMax) + |
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((aInternal.iG << KMIDShift8Bits) & K888GMax) + |
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((aInternal.iB) & K888BMax); |
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} |
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void ConvertInline888(TMIDInternalARGB& aResult, TUint32 aColor) |
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{ |
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aResult.iA = KAlphaFullOpaque; |
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aResult.iR = (TUint8)((aColor & K888RMax) >> KMIDShift16Bits); |
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aResult.iG = (TUint8)((aColor & K888GMax) >> KMIDShift8Bits); |
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aResult.iB = (TUint8)(aColor & K888BMax); |
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} |
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void TMID888Format::InitializeL(const TMIDBitmapParameters& aParameters) |
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{ |
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TMIDFormatConverter::InitializeL(aParameters); |
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iOffset += iTransformer.iPoint.iX + iTransformer.iPoint.iY * iScanlength; |
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iBitmap = aParameters.iPixels; |
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iAlphaBitmap = (TUint8*)aParameters.iAlpha; |
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} |
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TUint32 TMID888Format::ConvertInternal(const TMIDInternalARGB& aInternal) |
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{ |
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return ConvertInternalInline888(aInternal); |
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} |
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void TMID888Format::Convert(TMIDInternalARGB& aResult, TUint32 aColor) const |
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{ |
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ConvertInline888(aResult, aColor); |
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} |
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void TMID888Format::GetPixel(TMIDInternalARGB& aResult) const |
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{ |
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ConvertInline888(aResult, iBitmap[ iOffset ]); // CSI: 2 Wrong offset means implementation error # |
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} |
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void TMID888Format::PlotPixel(const TMIDInternalARGB& aInternal) |
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{ |
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iBitmap[ iOffset ] = ConvertInternalInline888(aInternal); // CSI: 2 Wrong offset means implementation error # |
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} |
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TUint8 TMID888Format::GetAlpha() const |
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{ |
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// we need only last 8 bits since it is either white or black |
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return (TUint8)(iAlphaBitmap[ iOffset ] & KMIDEightRightBits); // CSI: 2 Wrong offset means implementation error # |
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} |
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|
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TBool TMID888Format::CheckSize(TInt aPixelSize, TInt aLastDrawnPixelOffset) |
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{ |
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return ((aLastDrawnPixelOffset * KBytesPerPixel888) <= aPixelSize); |
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} |