| /*! \file exif-mnote-data.h | |
| * \brief Handling EXIF MakerNote tags | |
| */ | |
| /* | |
| * Copyright (c) 2003 Lutz Mueller <[email protected]> | |
| * | |
| * This library is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2 of the License, or (at your option) any later version. | |
| * | |
| * This library is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with this library; if not, write to the | |
| * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| * Boston, MA 02110-1301 USA. | |
| */ | |
| extern "C" { | |
| /*! Data found in the MakerNote tag */ | |
| typedef struct _ExifMnoteData ExifMnoteData; | |
| void exif_mnote_data_ref (ExifMnoteData *); | |
| void exif_mnote_data_unref (ExifMnoteData *); | |
| /*! Load the MakerNote data from a memory buffer. | |
| * | |
| * \param[in] d MakerNote data | |
| * \param[in] buf pointer to raw MakerNote tag data | |
| * \param[in] buf_size number of bytes of data at buf | |
| */ | |
| void exif_mnote_data_load (ExifMnoteData *d, const unsigned char *buf, | |
| unsigned int buf_size); | |
| /*! | |
| * Save the raw MakerNote data into a memory buffer. The buffer is | |
| * allocated by this function and must subsequently be freed by the | |
| * caller. | |
| * | |
| * \param[in,out] d extract the data from this structure | |
| * \param[out] buf pointer to buffer pointer containing MakerNote data on return | |
| * \param[out] buf_size pointer to the size of the buffer | |
| */ | |
| void exif_mnote_data_save (ExifMnoteData *d, unsigned char **buf, | |
| unsigned int *buf_size); | |
| /*! Return the number of tags in the MakerNote. | |
| * | |
| * \param[in] d MakerNote data | |
| * \return number of tags, or 0 if no MakerNote or the type is not supported | |
| */ | |
| unsigned int exif_mnote_data_count (ExifMnoteData *d); | |
| /*! Return the MakerNote tag number for the tag at the specified index within | |
| * the MakerNote. | |
| * | |
| * \param[in] d MakerNote data | |
| * \param[in] n index of the entry within the MakerNote data | |
| * \return MakerNote tag number | |
| */ | |
| unsigned int exif_mnote_data_get_id (ExifMnoteData *d, unsigned int n); | |
| /*! Returns textual name of the given MakerNote tag. The name is a short, | |
| * unique (within this type of MakerNote), non-localized text string | |
| * containing only US-ASCII alphanumeric characters. | |
| * | |
| * \param[in] d MakerNote data | |
| * \param[in] n index of the entry within the MakerNote data | |
| * \return textual name of the tag or NULL on error | |
| */ | |
| const char *exif_mnote_data_get_name (ExifMnoteData *d, unsigned int n); | |
| /*! Returns textual title of the given MakerNote tag. | |
| * The title is a short, localized textual description of the tag. | |
| * | |
| * \param[in] d MakerNote data | |
| * \param[in] n index of the entry within the MakerNote data | |
| * \return textual name of the tag or NULL on error | |
| */ | |
| const char *exif_mnote_data_get_title (ExifMnoteData *d, unsigned int n); | |
| /*! Returns verbose textual description of the given MakerNote tag. | |
| * | |
| * \param[in] d MakerNote data | |
| * \param[in] n index of the entry within the MakerNote data | |
| * \return textual description of the tag or NULL on error | |
| */ | |
| const char *exif_mnote_data_get_description (ExifMnoteData *d, unsigned int n); | |
| /*! Return a textual representation of the value of the MakerNote entry. | |
| * | |
| * \warning The character set of the returned string may be in | |
| * the encoding of the current locale or the native encoding | |
| * of the camera. | |
| * | |
| * \param[in] d MakerNote data | |
| * \param[in] n index of the entry within the MakerNote data | |
| * \param[out] val buffer in which to store value | |
| * \param[in] maxlen length of the buffer val | |
| * \return val pointer, or NULL on error | |
| */ | |
| char *exif_mnote_data_get_value (ExifMnoteData *d, unsigned int n, char *val, unsigned int maxlen); | |
| void exif_mnote_data_log (ExifMnoteData *, ExifLog *); | |
| } | |