1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  ECom plugin to create the thumbnails from svg presentation.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef SVGCONVERT_H

    21 #define SVGCONVERT_H

    22 

    23 #include <imageplugin.h>

    24 

    25 class CSvgReadCodec;

    26 class CFrameInfoStrings;

    27 

    28 /**

    29 * The PluginAPI for SVG content decoder. 

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

    31 */

    32 

    33 class CSvgDecoder : public CImageDecoderPlugin

    34     {

    35 public:

    36 

    37     /**

    38     * Static constructor. Creates and returns a pointer to CSvgDecoder

    39     * @since 3.1

    40     * @return Pointer to the deocder instance.

    41     */

    42     static CSvgDecoder* NewL();

    43     

    44     /**

    45     * Destructor.

    46     */

    47     ~CSvgDecoder();

    48 

    49 public:    //From CImageDecoderPlugin

    50     /**

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

    52     * @since 3.1

    53     * @param aFrameNumber

    54     * @param aImageType

    55     * @param aImageSubType

    56     * @return None.

    57     */

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

    59     

    60     /**

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

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

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

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

    65     *        applies (optional, defaults to zero).

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

    67     *        Ownership is transferred to the caller.

    68     */

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

    70 

    71     TSize ContentSizeInTwips(const TSize aContentSizeInPixels) const;

    72     

    73 private:

    74     //Default constructor

    75     CSvgDecoder();

    76 

    77 private: //From CImageDecoderPlugin

    78 

    79 	/**

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

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

    82     * information, create

    83 	* the required codec and read the frame headers.

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

    85 	*/

    86     void ScanDataL();

    87     

    88     /**

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

    90     * like content size, pixel depth.

    91     * @since 3.1

    92     */

    93     void ReadFormatL();

    94 

    95 private:    //Data members

    96     TPtrC8 iFileData;

    97     };

    98 

    99 

   100 #endif // SVGCONVERT_H

   101 // End of File

   102