author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 07 Jan 2010 16:19:02 +0200 | |
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/* |
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* Copyright (c) 2003 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: NvgIconHeader header file |
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* |
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*/ |
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#ifndef _NVGICONHEADER_H_ |
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#define _NVGICONHEADER_H_ |
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#include <e32std.h> |
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/** |
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* TNVGHeaderData |
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* |
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* Datastructure to hold NVG Icon Header information |
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*/ |
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struct TNVGHeaderData // be aware of padding! |
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{ |
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TUint16 sign; |
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TUint8 version; |
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TUint8 headerSize; |
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TUint32 reserved1; |
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TUint16 reserved2; |
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TUint8 reserved3; |
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TUint8 reserved4:4; // flag |
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TUint8 isMarginCorrection:1; // flag |
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TUint8 isMask:1; // flag |
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TUint8 aspectRatio:2; // flag |
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TInt32 rotation; |
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TInt32 iconColor; |
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TInt32 bitmapid; |
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}; |
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// CONSTANTS |
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static const TInt KIconHeaderLength = sizeof(TNVGHeaderData); |
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// FIXME: find an appropriate place for me. |
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/** |
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* Class TNVGIconHeader |
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* |
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* Class to hold NVG Icon Header information & operations |
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*/ |
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class TNVGIconHeader |
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{ |
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public: |
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/** |
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* Constructor |
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* |
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* @param aData Descriptor to store the icon header data |
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*/ |
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inline TNVGIconHeader(TDes8 &aData) |
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{ |
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__ASSERT_ALWAYS(aData.Length() >= KIconHeaderLength, User::Panic(_L("not sufficient size"), KErrBadDescriptor)); |
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iHeader = (TNVGHeaderData *)(aData.LeftTPtr(KIconHeaderLength).Ptr()); |
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} |
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/** |
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* Initializes icon header before writing any data |
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* |
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* @param None |
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*/ |
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inline void Initialize() |
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{ |
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Mem::FillZ(iHeader,KIconHeaderLength); |
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iHeader->headerSize = KIconHeaderLength; |
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} |
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/** |
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* Set the mask flag in icon header |
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* |
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* @param isMask Flag to turn mask on/off |
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*/ |
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inline void SetIsMask(TBool isMask) |
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{ |
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iHeader->isMask = isMask; |
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} |
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/** |
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* Get the mask flag from icon header |
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* |
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* @param None |
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*/ |
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inline TBool IsMask() const |
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{ |
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return iHeader->isMask; |
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} |
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private: |
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TNVGHeaderData *iHeader; |
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}; |
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#endif |
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