1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/graphicstools/gdi_tools/bmconv/UTILS.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,53 @@
     1.4 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "BMCONV.H"
    1.20 +
    1.21 +
    1.22 +int BitmapUtils::ByteWidth(int aPixelWidth,int aBitsPerPixel)
    1.23 +	{
    1.24 +	int wordWidth = 0;
    1.25 +
    1.26 +	switch (aBitsPerPixel)
    1.27 +		{
    1.28 +	case 1:
    1.29 +		wordWidth = (aPixelWidth + 31) / 32;
    1.30 +		break;
    1.31 +	case 2:
    1.32 +		wordWidth = (aPixelWidth + 15) / 16;
    1.33 +		break;
    1.34 +	case 4:
    1.35 +		wordWidth = (aPixelWidth + 7) / 8;
    1.36 +		break;
    1.37 +	case 8:
    1.38 +		wordWidth = (aPixelWidth + 3) / 4;
    1.39 +		break;
    1.40 +	case 12:
    1.41 +	case 16:
    1.42 +		wordWidth = (aPixelWidth + 1) / 2;
    1.43 +		break;
    1.44 +	case 24:
    1.45 +		wordWidth = (((aPixelWidth * 3) + 11) / 12) * 3;
    1.46 +		break;
    1.47 +	case 32:
    1.48 +		wordWidth = aPixelWidth;
    1.49 +		break;
    1.50 +	default:
    1.51 +		break;
    1.52 +		};
    1.53 +
    1.54 +	return wordWidth * 4;
    1.55 +	}
    1.56 +