1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "BMCONV.H"

    17 

    18 

    19 int BitmapUtils::ByteWidth(int aPixelWidth,int aBitsPerPixel)

    20 	{

    21 	int wordWidth = 0;

    22 

    23 	switch (aBitsPerPixel)

    24 		{

    25 	case 1:

    26 		wordWidth = (aPixelWidth + 31) / 32;

    27 		break;

    28 	case 2:

    29 		wordWidth = (aPixelWidth + 15) / 16;

    30 		break;

    31 	case 4:

    32 		wordWidth = (aPixelWidth + 7) / 8;

    33 		break;

    34 	case 8:

    35 		wordWidth = (aPixelWidth + 3) / 4;

    36 		break;

    37 	case 12:

    38 	case 16:

    39 		wordWidth = (aPixelWidth + 1) / 2;

    40 		break;

    41 	case 24:

    42 		wordWidth = (((aPixelWidth * 3) + 11) / 12) * 3;

    43 		break;

    44 	case 32:

    45 		wordWidth = aPixelWidth;

    46 		break;

    47 	default:

    48 		break;

    49 		};

    50 

    51 	return wordWidth * 4;

    52 	}

    53