/*

* Copyright (c) 2005 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:  ECom plugin to create the thumbnails from svg presentation.

*

*/

#ifndef SVGCONVERT_H

#define SVGCONVERT_H

#include <imageplugin.h>

class CSvgReadCodec;

class CFrameInfoStrings;

/**

* The PluginAPI for SVG content decoder. 

* Intended to use it for the processing the SVG content.

*/

class CSvgDecoder : public CImageDecoderPlugin

    {

public:

    /**

    * Static constructor. Creates and returns a pointer to CSvgDecoder

    * @since 3.1

    * @return Pointer to the deocder instance.

    */

    static CSvgDecoder* NewL();

    /**

    * Destructor.

    */

    ~CSvgDecoder();

public:    //From CImageDecoderPlugin

    /**

    * Returns the image type & image sub type of the frame number specified

    * @since 3.1

    * @param aFrameNumber

    * @param aImageType

    * @param aImageSubType

    * @return None.

    */

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

    /**

    * Returns the codec specific frame information stored in resource files.

    * This is a virtual funtion that each individual plugin must implement.

    * @param  aFs A handle to a file server session.

    * @param  aFrameNumber    The frame number to which the codec specific frame information

    *        applies (optional, defaults to zero).

    * @return A pointer to a newly allocated CFrameInfoStrings object.

    *        Ownership is transferred to the caller.

    */

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

    TSize ContentSizeInTwips(const TSize aContentSizeInPixels) const;

private:

    //Default constructor

    CSvgDecoder();

private: //From CImageDecoderPlugin

	/**

	* Invokes the ReadFrameHeadersL() method of the supplied plugin.

    * The plugin's version of ReadFrameHeadersL() should read the image header \

    * information, create

	* the required codec and read the frame headers.

	* This is a virtual funtion that each individual plugin must implement.

	*/

    void ScanDataL();

    /**

    * Reads the image header & data information. It populates the image information \ 

    * like content size, pixel depth.

    * @since 3.1

    */

    void ReadFormatL();

private:    //Data members

    TPtrC8 iFileData;

    };

#endif // SVGCONVERT_H

// End of File