libexif

exif-tag.h

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00001 
00004 /*
00005  * Copyright (c) 2001 Lutz Mueller <lutz@users.sourceforge.net>
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful, 
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of 
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details. 
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with this library; if not, write to the
00019  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00020  * Boston, MA  02110-1301  USA.
00021  */
00022 
00023 #ifndef __EXIF_TAG_H__
00024 #define __EXIF_TAG_H__
00025 
00026 #ifdef __cplusplus
00027 extern "C" {
00028 #endif /* __cplusplus */
00029 
00030 #include <libexif/exif-ifd.h>
00031 #include <libexif/exif-data-type.h>
00032 
00034 typedef enum {
00035         EXIF_TAG_INTEROPERABILITY_INDEX         = 0x0001,
00036         EXIF_TAG_INTEROPERABILITY_VERSION       = 0x0002,
00037         EXIF_TAG_NEW_SUBFILE_TYPE               = 0x00fe,
00038         EXIF_TAG_IMAGE_WIDTH                    = 0x0100,
00039         EXIF_TAG_IMAGE_LENGTH                   = 0x0101,
00040         EXIF_TAG_BITS_PER_SAMPLE                = 0x0102,
00041         EXIF_TAG_COMPRESSION                    = 0x0103,
00042         EXIF_TAG_PHOTOMETRIC_INTERPRETATION     = 0x0106,
00043         EXIF_TAG_FILL_ORDER                     = 0x010a,
00044         EXIF_TAG_DOCUMENT_NAME                  = 0x010d,
00045         EXIF_TAG_IMAGE_DESCRIPTION              = 0x010e,
00046         EXIF_TAG_MAKE                           = 0x010f,
00047         EXIF_TAG_MODEL                          = 0x0110,
00048         EXIF_TAG_STRIP_OFFSETS                  = 0x0111,
00049         EXIF_TAG_ORIENTATION                    = 0x0112,
00050         EXIF_TAG_SAMPLES_PER_PIXEL              = 0x0115,
00051         EXIF_TAG_ROWS_PER_STRIP                 = 0x0116,
00052         EXIF_TAG_STRIP_BYTE_COUNTS              = 0x0117,
00053         EXIF_TAG_X_RESOLUTION                   = 0x011a,
00054         EXIF_TAG_Y_RESOLUTION                   = 0x011b,
00055         EXIF_TAG_PLANAR_CONFIGURATION           = 0x011c,
00056         EXIF_TAG_RESOLUTION_UNIT                = 0x0128,
00057         EXIF_TAG_TRANSFER_FUNCTION              = 0x012d,
00058         EXIF_TAG_SOFTWARE                       = 0x0131,
00059         EXIF_TAG_DATE_TIME                      = 0x0132,
00060         EXIF_TAG_ARTIST                         = 0x013b,
00061         EXIF_TAG_WHITE_POINT                    = 0x013e,
00062         EXIF_TAG_PRIMARY_CHROMATICITIES         = 0x013f,
00063         EXIF_TAG_SUB_IFDS                       = 0x014a,
00064         EXIF_TAG_TRANSFER_RANGE                 = 0x0156,
00065         EXIF_TAG_JPEG_PROC                      = 0x0200,
00066         EXIF_TAG_JPEG_INTERCHANGE_FORMAT        = 0x0201,
00067         EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LENGTH = 0x0202,
00068         EXIF_TAG_YCBCR_COEFFICIENTS             = 0x0211,
00069         EXIF_TAG_YCBCR_SUB_SAMPLING             = 0x0212,
00070         EXIF_TAG_YCBCR_POSITIONING              = 0x0213,
00071         EXIF_TAG_REFERENCE_BLACK_WHITE          = 0x0214,
00072         EXIF_TAG_XML_PACKET                     = 0x02bc,
00073         EXIF_TAG_RELATED_IMAGE_FILE_FORMAT      = 0x1000,
00074         EXIF_TAG_RELATED_IMAGE_WIDTH            = 0x1001,
00075         EXIF_TAG_RELATED_IMAGE_LENGTH           = 0x1002,
00076         EXIF_TAG_CFA_REPEAT_PATTERN_DIM         = 0x828d,
00077         EXIF_TAG_CFA_PATTERN                    = 0x828e,
00078         EXIF_TAG_BATTERY_LEVEL                  = 0x828f,
00079         EXIF_TAG_COPYRIGHT                      = 0x8298,
00080         EXIF_TAG_EXPOSURE_TIME                  = 0x829a,
00081         EXIF_TAG_FNUMBER                        = 0x829d,
00082         EXIF_TAG_IPTC_NAA                       = 0x83bb,
00083         EXIF_TAG_IMAGE_RESOURCES                = 0x8649,
00084         EXIF_TAG_EXIF_IFD_POINTER               = 0x8769,
00085         EXIF_TAG_INTER_COLOR_PROFILE            = 0x8773,
00086         EXIF_TAG_EXPOSURE_PROGRAM               = 0x8822,
00087         EXIF_TAG_SPECTRAL_SENSITIVITY           = 0x8824,
00088         EXIF_TAG_GPS_INFO_IFD_POINTER           = 0x8825,
00089         EXIF_TAG_ISO_SPEED_RATINGS              = 0x8827,
00090         EXIF_TAG_OECF                           = 0x8828,
00091         EXIF_TAG_TIME_ZONE_OFFSET               = 0x882a,
00092         EXIF_TAG_EXIF_VERSION                   = 0x9000,
00093         EXIF_TAG_DATE_TIME_ORIGINAL             = 0x9003,
00094         EXIF_TAG_DATE_TIME_DIGITIZED            = 0x9004,
00095         EXIF_TAG_COMPONENTS_CONFIGURATION       = 0x9101,
00096         EXIF_TAG_COMPRESSED_BITS_PER_PIXEL      = 0x9102,
00097         EXIF_TAG_SHUTTER_SPEED_VALUE            = 0x9201,
00098         EXIF_TAG_APERTURE_VALUE                 = 0x9202,
00099         EXIF_TAG_BRIGHTNESS_VALUE               = 0x9203,
00100         EXIF_TAG_EXPOSURE_BIAS_VALUE            = 0x9204,
00101         EXIF_TAG_MAX_APERTURE_VALUE             = 0x9205,
00102         EXIF_TAG_SUBJECT_DISTANCE               = 0x9206,
00103         EXIF_TAG_METERING_MODE                  = 0x9207,
00104         EXIF_TAG_LIGHT_SOURCE                   = 0x9208,
00105         EXIF_TAG_FLASH                          = 0x9209,
00106         EXIF_TAG_FOCAL_LENGTH                   = 0x920a,
00107         EXIF_TAG_SUBJECT_AREA                   = 0x9214,
00108         EXIF_TAG_TIFF_EP_STANDARD_ID            = 0x9216,
00109         EXIF_TAG_MAKER_NOTE                     = 0x927c,
00110         EXIF_TAG_USER_COMMENT                   = 0x9286,
00111         EXIF_TAG_SUB_SEC_TIME                   = 0x9290,
00112         EXIF_TAG_SUB_SEC_TIME_ORIGINAL          = 0x9291,
00113         EXIF_TAG_SUB_SEC_TIME_DIGITIZED         = 0x9292,
00114         EXIF_TAG_XP_TITLE                       = 0x9c9b,
00115         EXIF_TAG_XP_COMMENT                     = 0x9c9c,
00116         EXIF_TAG_XP_AUTHOR                      = 0x9c9d,
00117         EXIF_TAG_XP_KEYWORDS                    = 0x9c9e,
00118         EXIF_TAG_XP_SUBJECT                     = 0x9c9f,
00119         EXIF_TAG_FLASH_PIX_VERSION              = 0xa000,
00120         EXIF_TAG_COLOR_SPACE                    = 0xa001,
00121         EXIF_TAG_PIXEL_X_DIMENSION              = 0xa002,
00122         EXIF_TAG_PIXEL_Y_DIMENSION              = 0xa003,
00123         EXIF_TAG_RELATED_SOUND_FILE             = 0xa004,
00124         EXIF_TAG_INTEROPERABILITY_IFD_POINTER   = 0xa005,
00125         EXIF_TAG_FLASH_ENERGY                   = 0xa20b,
00126         EXIF_TAG_SPATIAL_FREQUENCY_RESPONSE     = 0xa20c,
00127         EXIF_TAG_FOCAL_PLANE_X_RESOLUTION       = 0xa20e,
00128         EXIF_TAG_FOCAL_PLANE_Y_RESOLUTION       = 0xa20f,
00129         EXIF_TAG_FOCAL_PLANE_RESOLUTION_UNIT    = 0xa210,
00130         EXIF_TAG_SUBJECT_LOCATION               = 0xa214,
00131         EXIF_TAG_EXPOSURE_INDEX                 = 0xa215,
00132         EXIF_TAG_SENSING_METHOD                 = 0xa217,
00133         EXIF_TAG_FILE_SOURCE                    = 0xa300,
00134         EXIF_TAG_SCENE_TYPE                     = 0xa301,
00135         EXIF_TAG_NEW_CFA_PATTERN                = 0xa302,
00136         EXIF_TAG_CUSTOM_RENDERED                = 0xa401,
00137         EXIF_TAG_EXPOSURE_MODE                  = 0xa402,
00138         EXIF_TAG_WHITE_BALANCE                  = 0xa403,
00139         EXIF_TAG_DIGITAL_ZOOM_RATIO             = 0xa404,
00140         EXIF_TAG_FOCAL_LENGTH_IN_35MM_FILM      = 0xa405,
00141         EXIF_TAG_SCENE_CAPTURE_TYPE             = 0xa406,
00142         EXIF_TAG_GAIN_CONTROL                   = 0xa407,
00143         EXIF_TAG_CONTRAST                       = 0xa408,
00144         EXIF_TAG_SATURATION                     = 0xa409,
00145         EXIF_TAG_SHARPNESS                      = 0xa40a,
00146         EXIF_TAG_DEVICE_SETTING_DESCRIPTION     = 0xa40b,
00147         EXIF_TAG_SUBJECT_DISTANCE_RANGE         = 0xa40c,
00148         EXIF_TAG_IMAGE_UNIQUE_ID                = 0xa420,
00149         EXIF_TAG_GAMMA                          = 0xa500,
00150         EXIF_TAG_PRINT_IMAGE_MATCHING           = 0xc4a5,
00151         EXIF_TAG_PADDING                        = 0xea1c
00152 } ExifTag;
00153 
00154 /* GPS tags overlap with above ones. */
00155 #define EXIF_TAG_GPS_VERSION_ID        0x0000
00156 #define EXIF_TAG_GPS_LATITUDE_REF      0x0001 /* INTEROPERABILITY_INDEX   */
00157 #define EXIF_TAG_GPS_LATITUDE          0x0002 /* INTEROPERABILITY_VERSION */
00158 #define EXIF_TAG_GPS_LONGITUDE_REF     0x0003
00159 #define EXIF_TAG_GPS_LONGITUDE         0x0004
00160 #define EXIF_TAG_GPS_ALTITUDE_REF      0x0005
00161 #define EXIF_TAG_GPS_ALTITUDE          0x0006
00162 #define EXIF_TAG_GPS_TIME_STAMP        0x0007
00163 #define EXIF_TAG_GPS_SATELLITES        0x0008
00164 #define EXIF_TAG_GPS_STATUS            0x0009
00165 #define EXIF_TAG_GPS_MEASURE_MODE      0x000a
00166 #define EXIF_TAG_GPS_DOP               0x000b
00167 #define EXIF_TAG_GPS_SPEED_REF         0x000c
00168 #define EXIF_TAG_GPS_SPEED             0x000d
00169 #define EXIF_TAG_GPS_TRACK_REF         0x000e
00170 #define EXIF_TAG_GPS_TRACK             0x000f
00171 #define EXIF_TAG_GPS_IMG_DIRECTION_REF 0x0010
00172 #define EXIF_TAG_GPS_IMG_DIRECTION     0x0011
00173 #define EXIF_TAG_GPS_MAP_DATUM         0x0012
00174 #define EXIF_TAG_GPS_DEST_LATITUDE_REF 0x0013
00175 #define EXIF_TAG_GPS_DEST_LATITUDE     0x0014
00176 #define EXIF_TAG_GPS_DEST_LONGITUDE_REF 0x0015
00177 #define EXIF_TAG_GPS_DEST_LONGITUDE     0x0016
00178 #define EXIF_TAG_GPS_DEST_BEARING_REF   0x0017
00179 #define EXIF_TAG_GPS_DEST_BEARING       0x0018
00180 #define EXIF_TAG_GPS_DEST_DISTANCE_REF  0x0019
00181 #define EXIF_TAG_GPS_DEST_DISTANCE      0x001a
00182 #define EXIF_TAG_GPS_PROCESSING_METHOD  0x001b
00183 #define EXIF_TAG_GPS_AREA_INFORMATION   0x001c
00184 #define EXIF_TAG_GPS_DATE_STAMP         0x001d
00185 #define EXIF_TAG_GPS_DIFFERENTIAL       0x001e
00186 
00188 typedef enum {
00190         EXIF_SUPPORT_LEVEL_UNKNOWN = 0,
00191 
00193         EXIF_SUPPORT_LEVEL_NOT_RECORDED,
00194 
00196         EXIF_SUPPORT_LEVEL_MANDATORY,
00197 
00199         EXIF_SUPPORT_LEVEL_OPTIONAL
00200 } ExifSupportLevel;
00201 
00209 ExifTag          exif_tag_from_name                (const char *name);
00210 
00219 const char      *exif_tag_get_name_in_ifd          (ExifTag tag, ExifIfd ifd);
00220 
00228 const char      *exif_tag_get_title_in_ifd         (ExifTag tag, ExifIfd ifd);
00229 
00237 const char      *exif_tag_get_description_in_ifd   (ExifTag tag, ExifIfd ifd);
00238 
00251 ExifSupportLevel exif_tag_get_support_level_in_ifd (ExifTag tag, ExifIfd ifd,
00252                                                     ExifDataType t);
00253 
00254 /* Don't use these functions. They are here for compatibility only. */
00255 
00257 const char     *exif_tag_get_name        (ExifTag tag);
00258 
00260 const char     *exif_tag_get_title       (ExifTag tag);
00261 
00263 const char     *exif_tag_get_description (ExifTag tag);
00264 
00265 
00266 /* For now, do not use these functions. */
00267 
00269 ExifTag      exif_tag_table_get_tag  (unsigned int n);
00270 
00272 const char  *exif_tag_table_get_name (unsigned int n);
00273 
00275 unsigned int exif_tag_table_count    (void);
00276 
00277 
00278 /* Don't use these definitions. They are here for compatibility only. */
00279 
00281 #define EXIF_TAG_UNKNOWN_C4A5 EXIF_TAG_PRINT_IMAGE_MATCHING
00282 
00283 #ifdef __cplusplus
00284 }
00285 #endif /* __cplusplus */
00286 
00287 #endif /* __EXIF_TAG_H__ */
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