1 // Copyright (c) 1999-2009 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 #ifndef __WMFCONVERT_H__

    17 #define __WMFCONVERT_H__

    18 

    19 #include "icl/ImagePlugin.h"

    20 #include "WMFCodec.h"

    21 

    22 #include <w32std.h>

    23 

    24 // Decoder.

    25 class CWmfReadCodec;

    26 class CWmfDecoder : public CImageDecoderPlugin

    27 	{

    28 public:

    29 	enum TWmfSubType

    30 		{

    31 		EWmfUnknownSubType, EWmfStdSubType, EWmfApmSubType, EWmfClpSubType

    32 		};

    33 	

    34 public:

    35  	static CWmfDecoder* NewL();

    36  	static CWmfDecoder* NewStdL();

    37  	static CWmfDecoder* NewApmL();

    38  	static CWmfDecoder* NewClpL();

    39 	virtual ~CWmfDecoder();

    40 

    41 	virtual void ImageType(TInt aFrameNumber, TUid& aImageType, TUid& aImageSubType) const;

    42 	CFrameInfoStrings* FrameInfoStringsL(RFs& aFs, TInt aFrameNumber);

    43 	void EnableMaskGeneration();

    44 

    45 protected:

    46 	void Cleanup();

    47 

    48 private:

    49 	CWmfDecoder(TWmfSubType aWmfSubType);

    50 	void ReadFormatL();

    51 	void ScanDataL();

    52 

    53 	void ProcessWmfApmHeaderL(const TUint16* aData, TRect& aFrameCoords, TSize& aOverallSize, TSize& aFrameSize);

    54 	void ProcessWmfClpHeaderL(const TUint16* aData, TRect& aFrameCoords, TSize& aOverallSize, TSize& aFrameSize);

    55 	void CheckDeviceL();

    56 	TSize FindSetWindowExtL();

    57 

    58 private:

    59 	CFbsScreenDevice* iDevice;

    60 	TInt iWordsExpected;

    61 	TBool iMaskGenerationEnabled;

    62 	TWmfSubType iWmfSubType;

    63 	TBool iRFbsSessionIsOurs;

    64 	};

    65 

    66 #endif // __WMFCONVERT_H__