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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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