#include <libexif/exif-tag.h>#include <libexif/exif-entry.h>#include <libexif/exif-data.h>#include <libexif/exif-log.h>#include <libexif/exif-mem.h>Go to the source code of this file.
Data Structures | |
| struct | _ExifContent |
Defines | |
| #define | exif_content_get_value(c, t, v, m) |
| Return a textual representation of the EXIF data for a tag. | |
Typedefs | |
| typedef struct _ExifContent | ExifContent |
| Holds all EXIF tags in a single IFD. | |
| typedef struct _ExifContentPrivate | ExifContentPrivate |
| typedef void(* | ExifContentForeachEntryFunc )(ExifEntry *, void *user_data) |
Functions | |
| ExifContent * | exif_content_new (void) |
| ExifContent * | exif_content_new_mem (ExifMem *) |
| void | exif_content_ref (ExifContent *content) |
| void | exif_content_unref (ExifContent *content) |
| void | exif_content_free (ExifContent *content) |
| void | exif_content_add_entry (ExifContent *c, ExifEntry *entry) |
| Add an EXIF tag to an IFD. | |
| void | exif_content_remove_entry (ExifContent *c, ExifEntry *e) |
| Remove an EXIF tag from an IFD. | |
| ExifEntry * | exif_content_get_entry (ExifContent *content, ExifTag tag) |
| Return the ExifEntry in this IFD corresponding to the given tag. | |
| void | exif_content_fix (ExifContent *c) |
| Fix the IFD to bring it into specification. | |
| void | exif_content_foreach_entry (ExifContent *content, ExifContentForeachEntryFunc func, void *user_data) |
| Executes function on each EXIF tag in this IFD in turn. | |
| ExifIfd | exif_content_get_ifd (ExifContent *c) |
| Return the IFD number in which the given ExifContent is found. | |
| void | exif_content_dump (ExifContent *content, unsigned int indent) |
| Dump contents of the IFD to stdout. | |
| void | exif_content_log (ExifContent *content, ExifLog *log) |
| Set the log message object for this IFD. | |
Definition in file exif-content.h.
| #define exif_content_get_value | ( | c, | |||
| t, | |||||
| v, | |||||
| m | ) |
Value:
(exif_content_get_entry (c,t) ? \ exif_entry_get_value (exif_content_get_entry (c,t),v,m) : NULL)
| [in] | c | ExifContent* for an IFD |
| [in] | t | ExifTag to return |
| [out] | v | char* buffer in which to store value |
| [in] | m | unsigned int length of the buffer v |
Definition at line 122 of file exif-content.h.
| typedef struct _ExifContent ExifContent |
| typedef void(* ExifContentForeachEntryFunc)(ExifEntry *, void *user_data) |
Definition at line 94 of file exif-content.h.
| typedef struct _ExifContentPrivate ExifContentPrivate |
Definition at line 32 of file exif-content.h.
| void exif_content_add_entry | ( | ExifContent * | c, | |
| ExifEntry * | entry | |||
| ) |
Add an EXIF tag to an IFD.
If this tag already exists in the IFD, this function does nothing.
| [out] | c | IFD |
| [in] | entry | EXIF entry to add |
Definition at line 133 of file exif-content.c.
References _ExifContent::count, _ExifContent::entries, exif_content_get_entry(), exif_entry_ref(), exif_log(), EXIF_LOG_CODE_DEBUG, exif_mem_realloc(), exif_tag_get_name(), _ExifContentPrivate::log, _ExifContentPrivate::mem, _ExifEntry::parent, _ExifContent::priv, and _ExifEntry::tag.
| void exif_content_dump | ( | ExifContent * | content, | |
| unsigned int | indent | |||
| ) |
Dump contents of the IFD to stdout.
This is intended for diagnostic purposes only.
| [in] | content | IFD data |
| [in] | indent | how many levels deep to indent the data |
Definition at line 114 of file exif-content.c.
References _ExifContent::count, _ExifContent::entries, and exif_entry_dump().
| void exif_content_fix | ( | ExifContent * | c | ) |
Fix the IFD to bring it into specification.
Call exif_entry_fix on each entry in this IFD to fix existing entries, create any new entries that are mandatory in this IFD but do not yet exist, and remove any entries that are not allowed in this IFD.
| [in,out] | c | EXIF content for an IFD |
Definition at line 278 of file exif-content.c.
References _ExifContent::count, exif_content_add_entry(), exif_content_foreach_entry(), exif_content_get_entry(), exif_content_get_ifd(), exif_data_get_data_type(), exif_entry_initialize(), exif_entry_new(), exif_entry_unref(), exif_ifd_get_name(), exif_log(), EXIF_LOG_CODE_DEBUG, EXIF_SUPPORT_LEVEL_MANDATORY, exif_tag_get_name_in_ifd(), exif_tag_get_support_level_in_ifd(), exif_tag_table_count(), exif_tag_table_get_tag(), fix_func(), ifd, _ExifContentPrivate::log, _ExifContent::parent, _ExifContent::priv, and remove_not_recorded().
| void exif_content_foreach_entry | ( | ExifContent * | content, | |
| ExifContentForeachEntryFunc | func, | |||
| void * | user_data | |||
| ) |
Executes function on each EXIF tag in this IFD in turn.
The tags will not necessarily be visited in numerical order.
| [in,out] | content | IFD over which to iterate |
| [in] | func | function to call for each entry |
| [in] | user_data | data to pass into func on each call |
Definition at line 210 of file exif-content.c.
References _ExifContent::count, and _ExifContent::entries.
| void exif_content_free | ( | ExifContent * | content | ) |
Definition at line 93 of file exif-content.c.
References _ExifContent::count, _ExifContent::entries, exif_entry_unref(), exif_log_unref(), exif_mem_free(), exif_mem_unref(), _ExifContentPrivate::log, _ExifContentPrivate::mem, and _ExifContent::priv.
| ExifEntry* exif_content_get_entry | ( | ExifContent * | content, | |
| ExifTag | tag | |||
| ) |
Return the ExifEntry in this IFD corresponding to the given tag.
This is a pointer into a member of the ExifContent array and must NOT be freed or unrefed by the caller.
| [in] | content | EXIF content for an IFD |
| [in] | tag | EXIF tag to return |
Definition at line 196 of file exif-content.c.
References _ExifContent::count, _ExifContent::entries, and _ExifEntry::tag.
| ExifIfd exif_content_get_ifd | ( | ExifContent * | c | ) |
Return the IFD number in which the given ExifContent is found.
| [in] | c | an ExifContent* |
Definition at line 234 of file exif-content.c.
References EXIF_IFD_0, EXIF_IFD_1, EXIF_IFD_COUNT, EXIF_IFD_EXIF, EXIF_IFD_GPS, EXIF_IFD_INTEROPERABILITY, and _ExifContent::parent.
| void exif_content_log | ( | ExifContent * | content, | |
| ExifLog * | log | |||
| ) |
Set the log message object for this IFD.
| [in] | content | IFD |
| [in] | log | ExifLog* |
Definition at line 223 of file exif-content.c.
References exif_log_ref(), exif_log_unref(), _ExifContentPrivate::log, and _ExifContent::priv.
| ExifContent* exif_content_new | ( | void | ) |
Definition at line 43 of file exif-content.c.
References exif_content_new_mem(), exif_mem_new_default(), and exif_mem_unref().
| ExifContent* exif_content_new_mem | ( | ExifMem * | ) |
Definition at line 54 of file exif-content.c.
References exif_mem_alloc(), exif_mem_free(), exif_mem_ref(), _ExifContentPrivate::mem, _ExifContent::priv, and _ExifContentPrivate::ref_count.
| void exif_content_ref | ( | ExifContent * | content | ) |
Definition at line 79 of file exif-content.c.
References _ExifContent::priv, and _ExifContentPrivate::ref_count.
| void exif_content_remove_entry | ( | ExifContent * | c, | |
| ExifEntry * | e | |||
| ) |
Remove an EXIF tag from an IFD.
If this tag does not exist in the IFD, this function does nothing.
| [out] | c | IFD |
| [in] | e | EXIF entry to remove |
Definition at line 157 of file exif-content.c.
References _ExifContent::count, _ExifContent::entries, exif_entry_unref(), exif_mem_free(), exif_mem_realloc(), _ExifContentPrivate::mem, _ExifEntry::parent, and _ExifContent::priv.
| void exif_content_unref | ( | ExifContent * | content | ) |
Definition at line 85 of file exif-content.c.
References exif_content_free(), _ExifContent::priv, and _ExifContentPrivate::ref_count.
