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00020
00021 #ifndef EXIFREAD_H
00022 #define EXIFREAD_H
00023
00024
00025 #include <e32base.h>
00026
00027
00028
00029
00030
00031
00032 enum TExifIfdType
00033 {
00034 EIfd0 = 0,
00035 EIfdExif,
00036 EIfd1,
00037 EIfdGps,
00038 EIfdIntOp
00039 };
00040
00041
00042
00043
00044
00045 class CExifTag;
00046
00047
00048
00057 NONSHARABLE_CLASS( CExifRead ): public CBase
00058 {
00059 #start_since SINCE_3_1_SDK
00060
00061 public:
00065 enum TExifReadOption
00066 {
00067 ENoOptions = 0x0000,
00068 ENoJpeg = 0x0001,
00069 EFastJpegParsing = 0x0002
00070 };
00071 #end_since SINCE_3_1_SDK
00072
00073 public:
00074
00078 IMPORT_C static CExifRead* NewL( const TDesC8& aExifData );
00079
00080 #start_since SINCE_3_1_SDK
00081
00084 IMPORT_C static CExifRead* NewL( const TDesC8& aExifData, TUint aExifReadOption );
00085 #end_since SINCE_3_1_SDK
00086
00090 virtual ~CExifRead();
00091
00092 public:
00093
00102 virtual const CExifTag* GetTagL(
00103 TExifIfdType aIfdType,
00104 TUint16 aTagId ) const = 0;
00105
00113 virtual TUint16* GetTagIdsL(
00114 TExifIfdType aIfdType,
00115 TInt& aNoTags ) const = 0;
00116
00123 virtual TExifIfdType* GetIfdTypesL( TInt& aNoIfd ) const = 0;
00124
00131 virtual HBufC8* GetThumbnailL() const = 0;
00132
00140 virtual TBool IfdExists( TExifIfdType aIfdType ) const = 0;
00141
00150 virtual TBool TagExists(
00151 TUint16 aTagId,
00152 TExifIfdType aIfdType ) const = 0;
00153
00160 virtual HBufC8* GetImageDescriptionL() const = 0;
00161
00167 virtual HBufC8* GetMakeL() const = 0;
00168
00174 virtual HBufC8* GetModelL() const = 0;
00175
00182 virtual HBufC8* GetTransferFunctionL() const = 0;
00183
00190 virtual HBufC8* GetDateTimeL() const = 0;
00191
00198 virtual HBufC8* GetSoftwareL() const = 0;
00199
00206 virtual HBufC8* GetCopyrightL() const = 0;
00207
00214 virtual TInt GetOrientation( TUint16& aOrientation ) const = 0;
00215
00223 virtual TInt GetXResolution(
00224 TUint32& aXResolution1,
00225 TUint32& aXResolution2 ) const = 0;
00226
00234 virtual TInt GetYResolution(
00235 TUint32& aYResolution1,
00236 TUint32& aYResolution2 ) const = 0;
00237
00244 virtual TInt GetResolutionUnit( TUint16& aResolutionUnit ) const = 0;
00245
00252 virtual TInt GetYCbCrPositioning(
00253 TUint16& aYCbCrPositioning ) const = 0;
00254
00261 virtual TInt GetExifIfdPointer( TUint32& aExifIfdPointer ) const = 0;
00262
00269 virtual TInt GetGpsInfoIfdPointer(
00270 TUint32& aGpsInfoIfdPointer ) const = 0;
00271
00278 virtual HBufC8* GetIsoSpeedRatingsL() const = 0;
00279
00286 virtual HBufC8* GetDateTimeOriginalL() const = 0;
00287
00294 virtual HBufC8* GetDateTimeDigitizedL() const = 0;
00295
00302 virtual HBufC8* GetMakerNoteL() const = 0;
00303
00310 virtual HBufC8* GetUserCommentL() const = 0;
00311
00318 virtual HBufC8* GetRelatedSoundFileL() const = 0;
00319
00326 virtual TInt GetExposureTime(
00327 TUint32& aExposureTime1,
00328 TUint32& aExposureTime2 ) const = 0;
00329
00337 virtual TInt GetComponentsConfiguration(
00338 TUint8& aFirstComponent, TUint8& aSecondComponent,
00339 TUint8& aThirdComponent, TUint8& aFourthComponent) const = 0;
00340
00347 virtual TInt GetFlash( TUint16& aFlash ) const = 0;
00348
00355 virtual TInt GetColorSpace( TUint16& aColorSpace ) const = 0;
00356
00363 virtual TInt GetPixelXDimension( TUint32& aPixelXDimension ) const = 0;
00364
00371 virtual TInt GetPixelYDimension( TUint32& aPixelYDimension ) const = 0;
00372
00379 virtual TInt GetExposureMode( TUint16& aExposureMode ) const = 0;
00380
00387 virtual TInt GetWhiteBalance( TUint16& aWhiteBalance ) const = 0;
00388
00395 virtual TInt GetSceneCaptureType(
00396 TUint16& aSceneCaptureType ) const = 0;
00397
00404 virtual TInt GetExposureProgram( TUint16& aExposureProgram ) const = 0;
00405
00413 virtual TInt GetApertureValue(
00414 TUint32& aApertureValue1,
00415 TUint32& aApertureValue2 ) const = 0;
00416
00424 virtual TInt GetExposureBiasValue(
00425 TInt32& aExposureBiasValue1,
00426 TInt32& aExposureBiasValue2 ) const = 0;
00427
00434 virtual TInt GetMeteringMode( TUint16& aMeteringMode ) const = 0;
00435
00442 virtual TInt GetLightSource( TUint16& aLightSource ) const = 0;
00443
00450 virtual TInt GetFileSource( TInt8& aFileSource ) const = 0;
00451
00459 virtual TInt GetDigitalZoomRatio(
00460 TUint32& aDigitalZoomRatio1,
00461 TUint32& aDigitalZoomRatio2 ) const = 0;
00462
00469 virtual TInt GetContrast( TUint16& aContrast ) const = 0;
00470
00477 virtual TInt GetSaturation( TUint16& aSaturation ) const = 0;
00478
00485 virtual TInt GetSharpness( TUint16& aSharpness ) const = 0;
00486
00493 virtual TInt GetExifVersion( TUint32& aExifVersion ) const = 0;
00494
00501 virtual TInt GetFlashPixVersion( TUint32& aFlashPixVersion ) const = 0;
00502
00510 virtual TInt GetInteroperabilityIfdPointer(
00511 TUint32& aInteroperabilityIfdPointer ) const = 0;
00512
00520 virtual TInt GetThumbnailXResolution(
00521 TUint32& aXResolution1,
00522 TUint32& aXResolution2 ) const = 0;
00523
00531 virtual TInt GetThumbnailYResolution(
00532 TUint32& aYResolution1,
00533 TUint32& aYResolution2 ) const = 0;
00534
00541 virtual TInt GetThumbnailResolutionUnit(
00542 TUint16& aResolutionUnit ) const = 0;
00543
00550 virtual TInt GetThumbnailCompression( TUint16& aCompression ) const = 0;
00551
00559 virtual TInt GetJpegInterchangeFormat(
00560 TUint32& aJpegInterchangeFormat ) const = 0;
00561
00569 virtual TInt GetJpegInterchangeFormatLength(
00570 TUint32& aJpegInterchangeFormatLength ) const = 0;
00571
00577 virtual HBufC8* GetExifAppSegmentL() const = 0;
00578
00586 virtual TInt GetShutterSpeedValue( TInt32& aShutterSpeedValue1,
00587 TInt32& aShutterSpeedValue2 ) const = 0;
00588
00596 virtual TInt GetBrightnessValue( TInt32& aBrightnessValue1,
00597 TInt32& aBrightnessValue2 ) const = 0;
00598
00605 virtual TInt GetCustomRendered( TUint16& aCustomRendered ) const = 0;
00606
00613 virtual TInt GetGainControl( TUint16& aGainControl ) const = 0;
00614
00621 virtual TInt GetGpsVersion( TUint32& aGpsVersion ) const = 0;
00622 };
00623
00624
00625 #endif
00626
00627
