/*

* Copyright (c) 2003, 2004 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:  Exif file format creator/modifier class implementation

*

*/

#ifndef EXIFMODIFYIMPL_H

#define EXIFMODIFYIMPL_H

// INCLUDES

#include "ExifModify.h"

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class CExifReadImpl;

class CExifCore;

/**

* CExifModify

* Implementation class for modifying existing Exif v2.2 (or prior) file 

* format or creating Exif v2.2 file format using valid Jpeg image. 

* An instance of this class can be instantiated in one of two ways:

* by providing valid Exif data or by providing valid Jpeg image.

* 

* @lib ExifLib.lib

* @since 2.6 

*/

NONSHARABLE_CLASS( CExifModifyImpl ): public CExifModify

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

    	static CExifModifyImpl* NewL( const TDesC8& aExifData, TBool aCreate, TUint aExifModifyOption );

        /**

        * Two-phased constructor.

        */

    	static CExifModifyImpl* NewL();

        /**

        * Destructor.

        */

        virtual ~CExifModifyImpl();

    protected:  // Functions from base classes

        /**

        * From CExifModify. Returns a constant pointer to a CExifRead instance 

        * that can be used to parse the associated Exif image.

        * @since 2.6 

        * @return Unmodifiable pointer to Exif reader instance.

        */

    	const CExifRead* Reader() const;

        /**

        * From CExifModify. Inserts/Updates the given tag in the specified IFD 

        * structure of the Exif data.

        * @since 2.6 

        * @param aIfdType The hosting IFD type.

        * @param aExifTagInfo The informative fields of tag that is updated.

        * @param aExifData Data of the tag that is updated.

        * @return void

        */

    	void SetTagL( 

            TExifIfdType aIfdType, 

            TExifTagInfo aExifTagInfo, 

            const TDesC8& aTagData );

        /**

        * From CExifModify. Removes the tag with the given tag ID from the 

        * specified IFD structure in the Exif data.

        * @since 2.6 

        * @param aIfdType The hosting IFD type.

        * @param aTagId The target tag ID.

        * @return Error code.

        */

    	TInt DeleteTag( TExifIfdType aIfdType, TUint16 aTagId );

        /**

        * From CExifModify. Removes the specified IFD structure and all its tags 

        * from the Exif data.

        * @since 2.6 

        * @param aIfdType The target IFD type.

        * @return Error code.

        */

    	TInt DeleteIfd( TExifIfdType aIfdType );

        /**

        * From CExifModify. Inserts/Updates the given thumbnail Jpeg image data 

        * into the 1st IFD structure in the Exif data.

        * @since 2.6 

        * @param aThumbnailData The Exif thumbnail image data that is updated.

        * @return void

        */

    	void SetThumbnailL( const TDesC8& aThumbnailData );

        /**

        * From CExifModify. Removes the thumbnail Jpeg image data from the 1st 

        * IFD structure in the Exif data.

        * @since 2.6 

        * @return Error code.

        */

    	TInt RemoveThumbnail();

        /**

        * From CExifModify. Flushes the Exif data into the given data buffer, 

        * and releases the internal structures.

        * @since 2.6 

        * @param aInData The original Exif image data, which contains identical 

        *                data provided while calling the NewL function.

        * @return Pointer to descriptor containing new Exif image data.

        */

    	HBufC8* WriteDataL( const TDesC8& aInData );

        /**

        * From CExifModify. Inserts/Updates given Image Description in the Exif 

        * data.

        * @since 2.6

        * @param aImageDescription Updated Image Description data.

        * @return void

        */

    	void SetImageDescriptionL( const TDesC8& aImageDescription );

        /**

        * From CExifModify. Inserts/Updates given Make in the Exif data.

        * @since 2.6

        * @param aMake Updated Make data.

        * @return void

        */

        void SetMakeL( const TDesC8& aMake ); 

        /**

        * From CExifModify. Inserts/Updates given Model in the Exif data.

        * @since 2.6

        * @param aModel Updated Model data.

        * @return void

        */        

        void SetModelL( const TDesC8& aModel ); 

        /**

        * From CExifModify. Inserts/Updates given Orientation in the Exif data.

        * @since 2.6

        * @param aOrientation Updated Orientation data.

        * @return void

        */

        void SetOrientationL( TUint16 aOrientation ); 

        /**

        * From CExifModify. Inserts/Updates given X Resolution in the Exif data.

        * @since 2.6

        * @param aXResolution1 Updated X Resolution numerator.

        * @param aXResolution2 Updated X Resolution denominator.

        * @return void

        */        

        void SetXResolutionL( TUint32 aXResolution1, TUint32 aXResolution2 ); 

        /**

        * From CExifModify. Inserts/Updates given Y Resolution in the Exif data.

        * @since 2.6

        * @param aYResolution1 Updated Y Resolution numerator.

        * @param aYResolution2 Updated Y Resolution denominator.

        * @return void

        */        

        void SetYResolutionL( TUint32 aYResolution1, TUint32 aYResolution2 ); 

        /**

        * From CExifModify. Inserts/Updates given Resolution Unit in the Exif 

        * data.

        * @since 2.6

        * @param aResolutionUnit Updated Resolution Unit data.

        * @return void

        */        

        void SetResolutionUnitL( TUint16 aResolutionUnit ); 

        /**

        * From CExifModify. Inserts/Updates given Transfer Function in the Exif 

        * data.

        * @since 2.6

        * @param aTransferFunction Updated Transfer Function data.

        * @return void

        */        

        void SetTransferFunctionL( const TDesC8& aTransferFunction ); 

        /**

        * From CExifModify. Inserts/Updates given Date Time in the Exif data.

        * @since 2.6

        * @param aDateTime Updated Date Time data.

        * @return void

        */        

        void SetDateTimeL( const TDesC8& aDateTime ); 

        /**

        * From CExifModify. Inserts/Updates given YCbCr Positioning in the Exif 

        * data.

        * @since 2.6

        * @param aYCbCrPositioning YCbCr Positioning data.

        * @return void

        */        

        void SetYCbCrPositioningL( TUint16 aYCbCrPositioning); 

        /**

        * From CExifModify. Inserts/Updates given Software in the Exif data.

        * @since 2.6

        * @param aSoftware Updated Software data.

        * @return void

        */        

        void SetSoftwareL( const TDesC8& aSoftware ); 

        /**

        * From CExifModify. Inserts/Updates given Copyright in the Exif data.

        * @since 2.6

        * @param aCopyright Updated Copyright data.

        * @return void

        */        

        void SetCopyrightL( const TDesC8& aCopyright );

        /**

        * From CExifModify. Inserts/Updates given Exposure Time in the Exif 

        * data.

        * @since 2.6

        * @param aExposureTime1 Updated Exposure Time numerator.

        * @param aExposureTime2 Updated Exposure Time denominator.

        * @return void

        */

    	void SetExposureTimeL( TUint32 aExposureTime1, TUint32 aExposureTime2 );

        /**

        * From CExifModify. Inserts/Updates given Components Configuration in 

        * the Exif data.

        * @since 2.6

        * @param aComponentsConfiguration Updated Components Configuration data.

        * @return void

        */    	

        void SetComponentsConfigurationL( 

            TUint8 aFirstComponent, TUint8 aSecondComponent, 

            TUint8 aThirdComponent, TUint8 aFourthComponent ); 

        /**

        * From CExifModify. Inserts/Updates given Flash in the Exif data.

        * @since 2.6

        * @param aFlash Updated Flash data.

        * @return void

        */        

        void SetFlashL( TUint16 aFlash ); 

        /**

        * From CExifModify. Inserts/Updates given Color Space in the Exif data.

        * @since 2.6

        * @param aColorSpace Updated Color Space data.

        * @return void

        */        

        void SetColorSpaceL( TUint16 aColorSpace );

        /**

        * From CExifModify. Inserts/Updates given Pixel X Dimension in the Exif 

        * data.

        * @since 2.6

        * @param aPixelXDimension Updated Pixel X Dimension data.

        * @return void

        */        

        void SetPixelXDimensionL( TUint32 aPixelXDimension );

        /**

        * From CExifModify. Inserts/Updates given Pixel Y Dimension in the Exif 

        * data.

        * @since 2.6

        * @param aPixelYDimension Updated Pixel Y Dimension data.

        * @return void

        */        

        void SetPixelYDimensionL( TUint32 aPixelYDimension );

        /**

        * From CExifModify. Inserts/Updates given Exposure Mode in the Exif 

        * data.

        * @since 2.6

        * @param aExposureMode Updated Exposure Mode data.

        * @return void

        */        

        void SetExposureModeL( TUint16 aExposureMode );

        /**

        * From CExifModify. Inserts/Updates given White Balance in the Exif 

        * data.

        * @since 2.6

        * @param aWhiteBalance Updated White Balance data.

        * @return void

        */        

        void SetWhiteBalanceL( TUint16 aWhiteBalance ); 

        /**

        * From CExifModify. Inserts/Updates given Scene Capture Type in the Exif 

        * data.

        * @since 2.6

        * @param aSceneCaptureType Updated Scene Capture Type data.

        * @return void

        */        

        void SetSceneCaptureTypeL( TUint16 aSceneCaptureType ); 

        /**

        * From CExifModify. Inserts/Updates given Exposure Program in the Exif 

        * data.

        * @since 2.6

        * @param aExposureProgram Updated Exposure Program data.

        * @return void

        */void SetExposureProgramL( TUint16 aExposureProgram ); 

        /**

        * From CExifModify. Inserts/Updates given Iso Speed Ratings in the Exif 

        * data.

        * @since 2.6

        * @param aIsoSpeedRatings Updated Iso Speed Ratings data.

        * @return void

        */        

        void SetIsoSpeedRatingsL( const TDesC8& aIsoSpeedRatings ); 

        /**

        * From CExifModify. Inserts/Updates given Date Time Original in the Exif 

        * data.

        * @since 2.6

        * @param aDateTimeOriginal Updated Date Time Original data.

        * @return void

        */        

        void SetDateTimeOriginalL( const TDesC8& aDateTimeOriginal );

        /**

        * From CExifModify. Inserts/Updates given Date Time Digitized in the 

        * Exif data.

        * @since 2.6

        * @param aDateTimeDigitized Updated Date Time Digitized data.

        * @return void

        */        

        void SetDateTimeDigitizedL( const TDesC8& aDateTimeDigitized );

        /**

        * From CExifModify. Inserts/Updates given Aperture Value in the Exif 

        * data.

        * @since 2.6

        * @param aApertureValue1 Updated Aperture Value numerator.

        * @param aApertureValue2 Updated Aperture Value denominator.

        * @return void

        */        

        void SetApertureValueL( 

            TUint32 aApertureValue1, 

            TUint32 aApertureValue2 ); 

        /**

        * From CExifModify. Inserts/Updates given Exposure Bias Value in the 

        * Exif data.

        * @since 2.6

        * @param aExposureBiasValue1 Updated Exposure Bias Value numerator.

        * @param aExposureBiasValue2 Updated Exposure Bias Value denominator.

        * @return void

        */        

        void SetExposureBiasValueL( 

            TInt32 aExposureBiasValue1, 

            TInt32 aExposureBiasValue2 );

        /**

        * From CExifModify. Inserts/Updates given Metering Mode in the Exif data.

        * @since 2.6

        * @param aMeteringMode Updated Metering Mode data.

        * @return void

        */        

        void SetMeteringModeL( TUint16 aMeteringMode ); 

        /**

        * From CExifModify. Inserts/Updates given Light Source in the Exif data.

        * @since 2.6

        * @param aLightSource Updated Light Source data.

        * @return void

        */        

        void SetLightSourceL( TUint16 aLightSource ); 

        /**

        * From CExifModify. Inserts/Updates given Maker Note in the Exif data.

        * @since 2.6

        * @param aMakerNote Updated Maker Note data.

        * @return void

        */        

        void SetMakerNoteL( const TDesC8& aMakerNote ); 

        /**

        * From CExifModify. Inserts/Updates given User Comment in the Exif data.

        * @since 2.6

        * @param aUserComment Updated User Comment data.

        * @return void

        */        

        void SetUserCommentL( const TDesC8& aUserComment );

        /**

        * From CExifModify. Inserts/Updates given Related Sound File in the Exif 

        * data.

        * @since 2.6

        * @param aRelatedSoundFile Updated Related Sound File data.

        * @return void

        */        

        void SetRelatedSoundFileL( const TDesC8& aRelatedSoundFile ); 

        /**

        * From CExifModify. Inserts/Updates given File Source in the Exif data.

        * @since 2.6

        * @param aFileSource Updated File Source data.

        * @return void

        */        

        void SetFileSourceL( TInt8 aFileSource ); 

        /**

        * From CExifModify. Inserts/Updates given Digital Zoom Ratio in the Exif 

        * data.

        * @since 2.6

        * @param aDigitalZoomRatio1 Updated Digital Zoom Ratio numerator.

        * @param aDigitalZoomRatio2 Updated Digital Zoom Ratio denominator.

        * @return void

        */        

        void SetDigitalZoomRatioL( 

            TUint32 aDigitalZoomRatio1, 

            TUint32 aDigitalZoomRatio2 ); 

        /**

        * From CExifModify. Inserts/Updates given Contrast in the Exif data.

        * @since 2.6

        * @param aContrast Updated Contrast data.

        * @return void

        */        

        void SetContrastL( TUint16 aContrast ); 

        /**

        * From CExifModify. Inserts/Updates given Saturation in the Exif data.

        * @since 2.6

        * @param aSaturation Updated Saturation data.

        * @return void

        */        

        void SetSaturationL( TUint16 aSaturation ); 

        /**

        * From CExifModify. Inserts/Updates given Sharpness in the Exif data.

        * @since 2.6

        * @param aSharpness Updated Sharpness data.

        * @return void

        */        

        void SetSharpnessL( TUint16 aSharpness ); 

        /**

        * From CExifModify. Inserts/Updates given thumbnail X Resolution in the 

        * Exif data.

        * @since 2.6

        * @param aXResolution1 Updated thumbnail X Resolution numerator.

        * @param aXResolution2 Updated thumbnail X Resolution numerator.

        * @return void

        */

    	void SetThumbnailXResolutionL( 

            TUint32 aXResolution1, 

            TUint32 aXResolution2 );

        /**

        * From CExifModify. Inserts/Updates given thumbnail Y Resolution in the 

        * Exif data.

        * @since 2.6

        * @param aYResolution1 Updated thumbnail Y Resolution numerator.

        * @param aYResolution2 Updated thumbnail Y Resolution numerator.

        * @return void

        */

        void SetThumbnailYResolutionL( 

            TUint32 aYResolution1, 

            TUint32 aYResolution2 );

        /**

        * From CExifModify. Inserts/Updates given thumbnail Resolution Unit in 

        * the Exif data.

        * @since 2.6

        * @param aResolutionUnit Updated thumbnail Resolution Unit data.

        * @return void

        */        

        void SetThumbnailResolutionUnitL( TUint16 aResolutionUnit );

        /**

        * From CExifModify. Inserts/Updates given Shutter Speed Value in the 

        * Exif data.

        * @since 2.6

        * @param aShutterSpeedValue1 Updated Shutter Speed Value numerator.

        * @param aShutterSpeedValue2 Updated Shutter Speed Value denominator.

        * @return void

        */

    	void SetShutterSpeedValueL( 

            TInt32 aShutterSpeedValue1, 

            TInt32 aShutterSpeedValue2 );

        /**

        * From CExifModify. Inserts/Updates given Brightness Value in the Exif 

        * data.

        * @since 2.6

        * @param aBrightnessValue1 Updated Brightness Value numerator.

        * @param aBrightnessValue2 Updated Brightness Value denominator.

        * @return void

        */

    	void SetBrightnessValueL( 

            TInt32 aBrightnessValue1, 

            TInt32 aBrightnessValue2 );

        /**

        * From CExifModify. Inserts/Updates given CustomRendered in the Exif 

        * data.

        * @since 2.6

        * @param aCustomRendered Updated Custom Rendered data.

        * @return void

        */