CExifRead Class Reference

API published in: S60 3rd Ed

Link against: exiflib.lib

Capability Information

Required Capabilities

None

#include <exifread.h>

Detailed Description

CExifRead Interface class for parsing Exif v2.2 file format.

An instance of this class can be instantiated providing valid Exif data.


Public Types
enum	TExifReadOption { ENoOptions = 0x0000, ENoJpeg = 0x0001, EFastJpegParsing = 0x0002, ENoTagChecking = 0x0004 }
Public Member Functions
virtual	~CExifRead ()
	Destructor.
virtual const CExifTag *	GetTagL (TExifIfdType aIfdType, TUint16 aTagId) const =0
	Returns the Tag instance, which has the specified ID from the requested IFD.
virtual TUint16 *	GetTagIdsL (TExifIfdType aIfdType, TInt &aNoTags) const =0
	Returns the IDs of all the tags that are stored in the Exif data.
virtual TExifIfdType *	GetIfdTypesL (TInt &aNoIfd) const =0
	Returns the types of the IFDs stored in the Exif data.
virtual HBufC8 *	GetThumbnailL () const =0
	Returns pointer to a copy of the thumbnail image data.
virtual TBool	IfdExists (TExifIfdType aIfdType) const =0
	Returns a boolean stating if the queried IFD structure exists in the Exif data.
virtual TBool	TagExists (TUint16 aTagId, TExifIfdType aIfdType) const =0
	Returns a boolean stating if the queried tag exists in the specified IFD structure.
virtual HBufC8 *	GetImageDescriptionL () const =0
	Gets the Image Description tag data.
virtual HBufC8 *	GetMakeL () const =0
	Gets the Make tag data.
virtual HBufC8 *	GetModelL () const =0
	Gets the Model tag data.
virtual HBufC8 *	GetTransferFunctionL () const =0
	Gets the Transfer Function tag data.
virtual HBufC8 *	GetDateTimeL () const =0
	Gets the Date Time tag data.
virtual HBufC8 *	GetSoftwareL () const =0
	Gets the Software tag data.
virtual HBufC8 *	GetCopyrightL () const =0
	Gets the Copyright tag data.
virtual TInt	GetOrientation (TUint16 &aOrientation) const =0
	Gets the Orientation tag data.
virtual TInt	GetXResolution (TUint32 &aXResolution1, TUint32 &aXResolution2) const =0
	Gets the X Resolution tag data.
virtual TInt	GetYResolution (TUint32 &aYResolution1, TUint32 &aYResolution2) const =0
	Gets the Y Resolution tag data.
virtual TInt	GetResolutionUnit (TUint16 &aResolutionUnit) const =0
	Gets the Resolution Unit tag data.
virtual TInt	GetYCbCrPositioning (TUint16 &aYCbCrPositioning) const =0
	Gets the YCbCr Positioning tag data.
virtual TInt	GetExifIfdPointer (TUint32 &aExifIfdPointer) const =0
	Gets the Exif Ifd Pointer tag data.
virtual TInt	GetGpsInfoIfdPointer (TUint32 &aGpsInfoIfdPointer) const =0
	Gets the Gps Info Ifd Pointer tag data.
virtual HBufC8 *	GetIsoSpeedRatingsL () const =0
	Gets the Iso Speed Ratings tag data.
virtual HBufC8 *	GetDateTimeOriginalL () const =0
	Gets the Date Time Original tag data.
virtual HBufC8 *	GetDateTimeDigitizedL () const =0
	Gets the Date Time Digitized tag data.
virtual HBufC8 *	GetMakerNoteL () const =0
	Gets the Maker Note tag data.
virtual HBufC8 *	GetUserCommentL () const =0
	Gets the User Comment tag data.
virtual HBufC8 *	GetRelatedSoundFileL () const =0
	Gets the Related Sound File tag data.
virtual TInt	GetExposureTime (TUint32 &aExposureTime1, TUint32 &aExposureTime2) const =0
	Gets the Exposure Time tag data.
virtual TInt	GetComponentsConfiguration (TUint8 &aFirstComponent, TUint8 &aSecondComponent, TUint8 &aThirdComponent, TUint8 &aFourthComponent) const =0
	Gets the Components Configuration tag data.
virtual TInt	GetFlash (TUint16 &aFlash) const =0
	Gets the Flash tag data.
virtual TInt	GetColorSpace (TUint16 &aColorSpace) const =0
	Gets the ColorSpace tag data.
virtual TInt	GetPixelXDimension (TUint32 &aPixelXDimension) const =0
	Gets the Pixel X Dimension tag data.
virtual TInt	GetPixelYDimension (TUint32 &aPixelYDimension) const =0
	Gets the Pixel Y Dimension tag data.
virtual TInt	GetExposureMode (TUint16 &aExposureMode) const =0
	Gets the Exposure Mode tag data.
virtual TInt	GetWhiteBalance (TUint16 &aWhiteBalance) const =0
	Gets the White Balance tag data.
virtual TInt	GetSceneCaptureType (TUint16 &aSceneCaptureType) const =0
	Gets the Scene Capture Type tag data.
virtual TInt	GetExposureProgram (TUint16 &aExposureProgram) const =0
	Gets the Exposure Program tag data.
virtual TInt	GetApertureValue (TUint32 &aApertureValue1, TUint32 &aApertureValue2) const =0
	Gets the Aperture Value tag data.
virtual TInt	GetExposureBiasValue (TInt32 &aExposureBiasValue1, TInt32 &aExposureBiasValue2) const =0
	Gets the Exposure Bias Value tag data.
virtual TInt	GetMeteringMode (TUint16 &aMeteringMode) const =0
	Gets the Metering Mode tag data.
virtual TInt	GetLightSource (TUint16 &aLightSource) const =0
	Gets the Light Source tag data.
virtual TInt	GetFileSource (TInt8 &aFileSource) const =0
	Gets the File Source tag data.
virtual TInt	GetDigitalZoomRatio (TUint32 &aDigitalZoomRatio1, TUint32 &aDigitalZoomRatio2) const =0
	Gets the Digital Zoom Ratio tag data.
virtual TInt	GetContrast (TUint16 &aContrast) const =0
	Gets the Contrast tag data.
virtual TInt	GetSaturation (TUint16 &aSaturation) const =0
	Gets the Saturation tag data.
virtual TInt	GetSharpness (TUint16 &aSharpness) const =0
	Gets the Sharpness tag data.
virtual TInt	GetExifVersion (TUint32 &aExifVersion) const =0
	Gets the Exif Version tag data.
virtual TInt	GetFlashPixVersion (TUint32 &aFlashPixVersion) const =0
	Gets the Flash Pix Version tag data.
virtual TInt	GetInteroperabilityIfdPointer (TUint32 &aInteroperabilityIfdPointer) const =0
	Gets the Interoperability Ifd Pointer tag data.
virtual TInt	GetThumbnailXResolution (TUint32 &aXResolution1, TUint32 &aXResolution2) const =0
	Gets the thumbnail X Resolution tag data.
virtual TInt	GetThumbnailYResolution (TUint32 &aYResolution1, TUint32 &aYResolution2) const =0
	Gets the thumbnail Y Resolution tag data.
virtual TInt	GetThumbnailResolutionUnit (TUint16 &aResolutionUnit) const =0
	Gets the thumbnail Resolution Unit tag data.
virtual TInt	GetThumbnailCompression (TUint16 &aCompression) const =0
	Gets the thumbnail Compression tag data.
virtual TInt	GetJpegInterchangeFormat (TUint32 &aJpegInterchangeFormat) const =0
	Gets the thumbnail Jpeg Interchange Format tag data.
virtual TInt	GetJpegInterchangeFormatLength (TUint32 &aJpegInterchangeFormatLength) const =0
	Gets the thumbnail Jpeg Interchange Format Length tag data.
virtual HBufC8 *	GetExifAppSegmentL () const =0
	Returns a copy of whole Exif APP1 segment in a descriptor.
virtual TInt	GetShutterSpeedValue (TInt32 &aShutterSpeedValue1, TInt32 &aShutterSpeedValue2) const =0
	Gets the Shutter Speed Value tag data.
virtual TInt	GetBrightnessValue (TInt32 &aBrightnessValue1, TInt32 &aBrightnessValue2) const =0
	Gets the Brightness Value tag data.
virtual TInt	GetCustomRendered (TUint16 &aCustomRendered) const =0
	Gets the Custom Rendered tag data.
virtual TInt	GetGainControl (TUint16 &aGainControl) const =0
	Gets the Gain Control tag data.
virtual TInt	GetGpsVersion (TUint32 &aGpsVersion) const =0
	Gets the Gps Version tag data.
Static Public Member Functions
static IMPORT_C CExifRead *	NewL (const TDesC8 &aExifData)
	Two-phased constructor.
static IMPORT_C CExifRead *	NewL (const TDesC8 &aExifData, TUint aExifReadOption)

Member Enumeration Documentation

enum CExifRead::TExifReadOption

Enumerator:

ENoOptions
ENoJpeg
EFastJpegParsing
ENoTagChecking

Constructor & Destructor Documentation

virtual CExifRead::~CExifRead ( ) [virtual]

Destructor.

Member Function Documentation

virtual TInt CExifRead::GetApertureValue	(	TUint32 &	aApertureValue1,
		TUint32 &	aApertureValue2
	)	const `[pure virtual]`

Gets the Aperture Value tag data.

Parameters:

	aApertureValue1	Returned Aperture Value numerator.
	aApertureValue2	Returned Aperture Value denominator.

Returns:: Error code.

virtual TInt CExifRead::GetBrightnessValue	(	TInt32 &	aBrightnessValue1,
		TInt32 &	aBrightnessValue2
	)	const `[pure virtual]`

Gets the Brightness Value tag data.

Parameters:

	aBrightnessValue1	Brightness Value numerator.
	aBrightnessValue2	Brightness Value denominator.

Returns:: Error code.

virtual TInt CExifRead::GetColorSpace ( TUint16 & aColorSpace ) const [pure virtual]

Gets the ColorSpace tag data.

Parameters:

aColorSpace

Returned ColorSpace data.

Returns:: Error code.

virtual TInt CExifRead::GetComponentsConfiguration	(	TUint8 &	aFirstComponent,
		TUint8 &	aSecondComponent,
		TUint8 &	aThirdComponent,
		TUint8 &	aFourthComponent
	)	const `[pure virtual]`

Gets the Components Configuration tag data.

Parameters:

aComponentsConfiguration

Returned Components Configuration data.

Returns:: Error code.

virtual TInt CExifRead::GetContrast ( TUint16 & aContrast ) const [pure virtual]

Gets the Contrast tag data.

Parameters:

aContrast

Returned Contrast data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetCopyrightL ( ) const [pure virtual]

Gets the Copyright tag data.

Returns:: Pointer to the descriptor containing copy of the Copyright data.

virtual TInt CExifRead::GetCustomRendered ( TUint16 & aCustomRendered ) const [pure virtual]

Gets the Custom Rendered tag data.

Parameters:

aCustomRendered

Returned Custom Rendered data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetDateTimeDigitizedL ( ) const [pure virtual]

Gets the Date Time Digitized tag data.

Returns:: Pointer to the descriptor containing copy of the Date Time Digitized data.

virtual HBufC8* CExifRead::GetDateTimeL ( ) const [pure virtual]

Gets the Date Time tag data.

Returns:: Pointer to the descriptor containing copy of the Date Time data.

virtual HBufC8* CExifRead::GetDateTimeOriginalL ( ) const [pure virtual]

Gets the Date Time Original tag data.

Returns:: Pointer to the descriptor containing copy of the Date Time Original data.

virtual TInt CExifRead::GetDigitalZoomRatio	(	TUint32 &	aDigitalZoomRatio1,
		TUint32 &	aDigitalZoomRatio2
	)	const `[pure virtual]`

Gets the Digital Zoom Ratio tag data.

Parameters:

	aDigitalZoomRatio1	Returned Digital Zoom Ratio numerator.
	aDigitalZoomRatio2	Returned Digital Zoom Ratio denominator.

Returns:: Error code.

virtual HBufC8* CExifRead::GetExifAppSegmentL ( ) const [pure virtual]

Returns a copy of whole Exif APP1 segment in a descriptor.

Returns:: Descriptor containing the Exif APP1 segment data.

virtual TInt CExifRead::GetExifIfdPointer ( TUint32 & aExifIfdPointer ) const [pure virtual]

Gets the Exif Ifd Pointer tag data.

Parameters:

aExifIfdPointer

Returned Exif Ifd Pointer data.

Returns:: Error code.

virtual TInt CExifRead::GetExifVersion ( TUint32 & aExifVersion ) const [pure virtual]

Gets the Exif Version tag data.

Parameters:

aExifVersion

Returned Exif Version data.

Returns:: Error code.

virtual TInt CExifRead::GetExposureBiasValue	(	TInt32 &	aExposureBiasValue1,
		TInt32 &	aExposureBiasValue2
	)	const `[pure virtual]`

Gets the Exposure Bias Value tag data.

Parameters:

	aExposureBiasValue1	Returned Exposure Bias Value numerator.
	aExposureBiasValue1	Returned Exposure Bias Value denominator.

Returns:: Error code.

virtual TInt CExifRead::GetExposureMode ( TUint16 & aExposureMode ) const [pure virtual]

Gets the Exposure Mode tag data.

Parameters:

aExposureMode

Returned Exposure Mode data.

Returns:: Error code.

virtual TInt CExifRead::GetExposureProgram ( TUint16 & aExposureProgram ) const [pure virtual]

Gets the Exposure Program tag data.

Parameters:

aExposureProgram

Returned Exposure Program data.

Returns:: Error code.

virtual TInt CExifRead::GetExposureTime	(	TUint32 &	aExposureTime1,
		TUint32 &	aExposureTime2
	)	const `[pure virtual]`

Gets the Exposure Time tag data.

Parameters:

ExposureTime

Returned Exposure Time data.

Returns:: Error code.

virtual TInt CExifRead::GetFileSource ( TInt8 & aFileSource ) const [pure virtual]

Gets the File Source tag data.

Parameters:

aFileSource

Returned File Source data.

Returns:: Error code.

virtual TInt CExifRead::GetFlash ( TUint16 & aFlash ) const [pure virtual]

Gets the Flash tag data.

Parameters:

aFlash

Returned Flash data.

Returns:: Error code.

virtual TInt CExifRead::GetFlashPixVersion ( TUint32 & aFlashPixVersion ) const [pure virtual]

Gets the Flash Pix Version tag data.

Parameters:

aFlashPixVersion

Returned Flash Pix Version data.

Returns:: Error code.

virtual TInt CExifRead::GetGainControl ( TUint16 & aGainControl ) const [pure virtual]

Gets the Gain Control tag data.

Parameters:

aGainControl

Returned Gain Control data.

Returns:: Error code.

virtual TInt CExifRead::GetGpsInfoIfdPointer ( TUint32 & aGpsInfoIfdPointer ) const [pure virtual]

Gets the Gps Info Ifd Pointer tag data.

Parameters:

aGpsInfoIfdPointer

Returned Gps Info Ifd Pointer data.

Returns:: Error code.

virtual TInt CExifRead::GetGpsVersion ( TUint32 & aGpsVersion ) const [pure virtual]

Gets the Gps Version tag data.

Parameters:

aGpsVersion

Returned Gps Version data.

Returns:: Error code.

virtual TExifIfdType* CExifRead::GetIfdTypesL ( TInt & aNoIfd ) const [pure virtual]

Returns the types of the IFDs stored in the Exif data.

Parameters:

aNoIfd

Number of IFD types returned.

Returns:: Pointer to the IFD types.

virtual HBufC8* CExifRead::GetImageDescriptionL ( ) const [pure virtual]

Gets the Image Description tag data.

Returns:: Pointer to the descriptor containing copy of the Image Description data.

virtual TInt CExifRead::GetInteroperabilityIfdPointer ( TUint32 & aInteroperabilityIfdPointer ) const [pure virtual]

Gets the Interoperability Ifd Pointer tag data.

Parameters:

aInteroperabilityIfdPointer

Returned Interoperability Ifd Pointer data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetIsoSpeedRatingsL ( ) const [pure virtual]

Gets the Iso Speed Ratings tag data.

Returns:: Pointer to the descriptor containing copy of the Iso Speed Ratings data.

virtual TInt CExifRead::GetJpegInterchangeFormat ( TUint32 & aJpegInterchangeFormat ) const [pure virtual]

Gets the thumbnail Jpeg Interchange Format tag data.

Parameters:

aJpegInterchangeFormat

Returned thumbnail Jpeg Interchange Format data.

Returns:: Error code.

virtual TInt CExifRead::GetJpegInterchangeFormatLength ( TUint32 & aJpegInterchangeFormatLength ) const [pure virtual]

Gets the thumbnail Jpeg Interchange Format Length tag data.

Parameters:

aJpegInterchangeFormatLength

Returned thumbnail Jpeg Interchange Format Length data.

Returns:: Error code.

virtual TInt CExifRead::GetLightSource ( TUint16 & aLightSource ) const [pure virtual]

Gets the Light Source tag data.

Parameters:

aLightSource

Returned Light Source data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetMakeL ( ) const [pure virtual]

Gets the Make tag data.

Returns:: Pointer to the descriptor containing copy of the Make data.

virtual HBufC8* CExifRead::GetMakerNoteL ( ) const [pure virtual]

Gets the Maker Note tag data.

Returns:: Pointer to the descriptor containing copy of the Maker Note data.

virtual TInt CExifRead::GetMeteringMode ( TUint16 & aMeteringMode ) const [pure virtual]

Gets the Metering Mode tag data.

Parameters:

aMeteringMode

Returned Metering Mode data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetModelL ( ) const [pure virtual]

Gets the Model tag data.

Returns:: Pointer to the descriptor containing copy of the Model data.

virtual TInt CExifRead::GetOrientation ( TUint16 & aOrientation ) const [pure virtual]

Gets the Orientation tag data.

Parameters:

aOrientation

Returned Orientation data.

Returns:: Error code.

virtual TInt CExifRead::GetPixelXDimension ( TUint32 & aPixelXDimension ) const [pure virtual]

Gets the Pixel X Dimension tag data.

Parameters:

aPixelXDimension

Returned Pixel X Dimension data.

Returns:: Error code.

virtual TInt CExifRead::GetPixelYDimension ( TUint32 & aPixelYDimension ) const [pure virtual]

Gets the Pixel Y Dimension tag data.

Parameters:

aPixelYDimension

Returned Pixel Y Dimension data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetRelatedSoundFileL ( ) const [pure virtual]

Gets the Related Sound File tag data.

Returns:: Pointer to the descriptor containing copy of the Related Sound File data.

virtual TInt CExifRead::GetResolutionUnit ( TUint16 & aResolutionUnit ) const [pure virtual]

Gets the Resolution Unit tag data.

Parameters:

aResolutionUnit

Returned Resolution Unit data.

Returns:: Error code.

virtual TInt CExifRead::GetSaturation ( TUint16 & aSaturation ) const [pure virtual]

Gets the Saturation tag data.

Parameters:

aSaturation

Returned Saturation data.

Returns:: Error code.

virtual TInt CExifRead::GetSceneCaptureType ( TUint16 & aSceneCaptureType ) const [pure virtual]

Gets the Scene Capture Type tag data.

Parameters:

aSceneCaptureType

Returned Scene Capture Type data.

Returns:: Error code.

virtual TInt CExifRead::GetSharpness ( TUint16 & aSharpness ) const [pure virtual]

Gets the Sharpness tag data.

Parameters:

aSharpness

Returned Sharpness data.

Returns:: Error code.

virtual TInt CExifRead::GetShutterSpeedValue	(	TInt32 &	aShutterSpeedValue1,
		TInt32 &	aShutterSpeedValue2
	)	const `[pure virtual]`

Gets the Shutter Speed Value tag data.

Parameters:

	aShutterSpeedValue1	Shutter Speed Value numerator.
	aShutterSpeedValue2	Shutter Speed Value denominator.

Returns:: Error code.

virtual HBufC8* CExifRead::GetSoftwareL ( ) const [pure virtual]

Gets the Software tag data.

Returns:: Pointer to the descriptor containing copy of the Software data.

virtual TUint16* CExifRead::GetTagIdsL	(	TExifIfdType	aIfdType,
		TInt &	aNoTags
	)	const `[pure virtual]`

Returns the IDs of all the tags that are stored in the Exif data.

Parameters:

	aIfdType	The hosting IFD type.
	aNoTags	Number of tag IDs returned.

Returns:: Pointer to the tag IDs.

virtual const CExifTag* CExifRead::GetTagL	(	TExifIfdType	aIfdType,
		TUint16	aTagId
	)	const `[pure virtual]`

Returns the Tag instance, which has the specified ID from the requested IFD.

Parameters:

	aIfdType	The hosting IFD type
	aTagId	The queried tag ID.

Returns:: Unmodifiable tag instance returned.

virtual TInt CExifRead::GetThumbnailCompression ( TUint16 & aCompression ) const [pure virtual]

Gets the thumbnail Compression tag data.

Parameters:

aCompression

Returned thumbnail Compression data.

Returns:: Error code.

virtual HBufC8* CExifRead::GetThumbnailL ( ) const [pure virtual]

Returns pointer to a copy of the thumbnail image data.

Returns:: Pointer to the descriptor containing a copy of the Exif thumbnail image.

virtual TInt CExifRead::GetThumbnailResolutionUnit ( TUint16 & aResolutionUnit ) const [pure virtual]

Gets the thumbnail Resolution Unit tag data.

Parameters:

aResolutionUnit

Returned thumbnail Resolution Unit data.

Returns:: Error code.

virtual TInt CExifRead::GetThumbnailXResolution	(	TUint32 &	aXResolution1,
		TUint32 &	aXResolution2
	)	const `[pure virtual]`

Gets the thumbnail X Resolution tag data.

Parameters:

	aXResolution1	Returned thumbnail X Resolution numerator.
	aXResolution1	Returned thumbnail X Resolution denominator.

Returns:: Error code.

virtual TInt CExifRead::GetThumbnailYResolution	(	TUint32 &	aYResolution1,
		TUint32 &	aYResolution2
	)	const `[pure virtual]`

Gets the thumbnail Y Resolution tag data.

Parameters:

	aYResolution1	Returned thumbnail Y Resolution numerator.
	aYResolution1	Returned thumbnail Y Resolution denominator.

Returns:: Error code.

virtual HBufC8* CExifRead::GetTransferFunctionL ( ) const [pure virtual]

Gets the Transfer Function tag data.

Returns:: Pointer to the descriptor containing copy of the Transfer Function data.

virtual HBufC8* CExifRead::GetUserCommentL ( ) const [pure virtual]

Gets the User Comment tag data.

Returns:: Pointer to the descriptor containing copy of the User Comment data.

virtual TInt CExifRead::GetWhiteBalance ( TUint16 & aWhiteBalance ) const [pure virtual]

Gets the White Balance tag data.

Parameters:

aWhiteBalance

Returned White Balance data.

Returns:: Error code.

virtual TInt CExifRead::GetXResolution	(	TUint32 &	aXResolution1,
		TUint32 &	aXResolution2
	)	const `[pure virtual]`

Gets the X Resolution tag data.

Parameters:

	aXResolution1	Returned X Resolution numerator.
	aXResolution2	Returned X Resolution denominator.

Returns:: Error code.

virtual TInt CExifRead::GetYCbCrPositioning ( TUint16 & aYCbCrPositioning ) const [pure virtual]

Gets the YCbCr Positioning tag data.

Parameters:

aYCbCrPositioning

Returned YCbCr Positioning data.

Returns:: Error code.

virtual TInt CExifRead::GetYResolution	(	TUint32 &	aYResolution1,
		TUint32 &	aYResolution2
	)	const `[pure virtual]`

Gets the Y Resolution tag data.

Parameters:

	aYResolution1	Returned Y Resolution numerator.
	aYResolution2	Returned Y Resolution denominator.

Returns:: Error code.

virtual TBool CExifRead::IfdExists ( TExifIfdType aIfdType ) const [pure virtual]

Returns a boolean stating if the queried IFD structure exists in the Exif data.

Parameters:

aIfdType

The queried IFD type.

Returns:: Boolean stating if the specified IFD exists or not.

static IMPORT_C CExifRead* CExifRead::NewL	(	const TDesC8 &	aExifData,
		TUint	aExifReadOption
	)	`[static]`

static IMPORT_C CExifRead* CExifRead::NewL ( const TDesC8 & aExifData ) [static]

Two-phased constructor.

virtual TBool CExifRead::TagExists	(	TUint16	aTagId,
		TExifIfdType	aIfdType
	)	const `[pure virtual]`

Returns a boolean stating if the queried tag exists in the specified IFD structure.

Parameters:

	aTagId	Queried tag ID.
	aIfdType	The hosting IFD type.

Returns:: Boolean stating if the specified tag exists or not.

The documentation for this class was generated from the following file:

exifread.h

CExifRead Class Reference

Capability Information

Detailed Description

Public Types

Public Member Functions

Static Public Member Functions

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation