gfxconversion/bmconv_s60/src/UTILS.CPP
changeset 0 f453ebb75370
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfxconversion/bmconv_s60/src/UTILS.CPP	Tue Feb 02 01:11:11 2010 +0200
@@ -0,0 +1,55 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+#include "BMCONV.H"
+
+
+int BitmapUtils::ByteWidth(int aPixelWidth,int aBitsPerPixel)
+	{
+	int wordWidth = 0;
+
+	switch (aBitsPerPixel)
+		{
+	case 1:
+		wordWidth = (aPixelWidth + 31) / 32;
+		break;
+	case 2:
+		wordWidth = (aPixelWidth + 15) / 16;
+		break;
+	case 4:
+		wordWidth = (aPixelWidth + 7) / 8;
+		break;
+	case 8:
+		wordWidth = (aPixelWidth + 3) / 4;
+		break;
+	case 12:
+	case 16:
+		wordWidth = (aPixelWidth + 1) / 2;
+		break;
+	case 24:
+		wordWidth = (((aPixelWidth * 3) + 11) / 12) * 3;
+		break;
+	case 32:
+		wordWidth = aPixelWidth;
+		break;
+	default:
+		break;
+		};
+
+	return wordWidth * 4;
+	}
+