| author | sl@SLION-WIN7.fritz.box |
| Fri, 15 Jun 2012 03:10:57 +0200 | |
| changeset 0 | bde4ae8d615e |
| permissions | -rw-r--r-- |
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// Copyright (c) 1997-2009 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: |
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// |
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|
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#include "BMCONV.H" |
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|
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|
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int BitmapUtils::ByteWidth(int aPixelWidth,int aBitsPerPixel) |
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{
|
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int wordWidth = 0; |
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|
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switch (aBitsPerPixel) |
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{
|
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case 1: |
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wordWidth = (aPixelWidth + 31) / 32; |
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break; |
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case 2: |
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wordWidth = (aPixelWidth + 15) / 16; |
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break; |
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case 4: |
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wordWidth = (aPixelWidth + 7) / 8; |
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break; |
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case 8: |
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wordWidth = (aPixelWidth + 3) / 4; |
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break; |
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case 12: |
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case 16: |
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wordWidth = (aPixelWidth + 1) / 2; |
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break; |
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case 24: |
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wordWidth = (((aPixelWidth * 3) + 11) / 12) * 3; |
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break; |
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case 32: |
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wordWidth = aPixelWidth; |
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break; |
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default: |
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break; |
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}; |
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|
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return wordWidth * 4; |
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} |
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