datetime.h File Reference

#include <glib.h>
#include "common/image.h"

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Data Structures
struct	dt_datetime_t

Macros
#define	DT_DATETIME_LENGTH   24
#define	DT_DATETIME_EXIF_LENGTH   20

Typedefs
typedef struct dt_datetime_t	dt_datetime_t

Functions
void	dt_datetime_init (void)
GDateTime *	dt_string_to_datetime (const char *string)
gboolean	dt_datetime_exif_to_numbers (dt_datetime_t *dt, const char *exif)
gboolean	dt_datetime_gtimespan_to_local (char *local, const size_t local_size, const GTimeSpan gts, const gboolean msec, const gboolean tz)
gboolean	dt_datetime_gdatetime_to_local (char *local, const size_t local_size, GDateTime *gdt, const gboolean msec, const gboolean tz)
gboolean	dt_datetime_exif_to_numbers_raw (dt_datetime_t *dt, const char *exif)
gboolean	dt_datetime_img_to_local (char *local, const size_t local_size, const dt_image_t *img, const gboolean msec)
gboolean	dt_datetime_unix_to_img (dt_image_t *img, const time_t *unix)
gboolean	dt_datetime_unix_to_exif (char *exif, const size_t exif_size, const time_t *unix)
void	dt_datetime_now_to_exif (char *exif)
GTimeSpan	dt_datetime_now_to_gtimespan (void)
void	dt_datetime_exif_to_img (dt_image_t *img, const char *exif)
gboolean	dt_datetime_img_to_exif (char *exif, const size_t exif_size, const dt_image_t *img)
GDateTime *	dt_datetime_exif_to_gdatetime (const char *exif, const GTimeZone *tz)
gboolean	dt_datetime_gdatetime_to_exif (char *exif, const size_t exif_size, GDateTime *gdt)
GDateTime *	dt_datetime_img_to_gdatetime (const dt_image_t *img, const GTimeZone *tz)
gboolean	dt_datetime_entry_to_exif (char *exif, const size_t exif_size, const char *entry)
gboolean	dt_datetime_entry_to_exif_upper_bound (char *exif, const size_t exif_size, const char *entry)
void	dt_datetime_add_subsec_to_exif (char *exif, const size_t exif_size, const char *subsec)
gboolean	dt_datetime_gtimespan_to_exif (char *sdt, const size_t sdt_size, const GTimeSpan gts)
GTimeSpan	dt_datetime_exif_to_gtimespan (const char *sdt)
gboolean	dt_datetime_gtimespan_to_numbers (dt_datetime_t *dt, const GTimeSpan gts)
GTimeSpan	dt_datetime_numbers_to_gtimespan (const dt_datetime_t *dt)
GTimeSpan	dt_datetime_gdatetime_to_gtimespan (GDateTime *gdt)
GDateTime *	dt_datetime_gtimespan_to_gdatetime (const GTimeSpan gts)
GDateTime *	dt_datetime_gdatetime_add_numbers (GDateTime *dte, const dt_datetime_t numbers, const gboolean add)
GTimeSpan	dt_datetime_gtimespan_add_numbers (const GTimeSpan dt, const dt_datetime_t numbers, const gboolean add)
gboolean	dt_datetime_exif_add_numbers (const gchar *exif, const dt_datetime_t numbers, const gboolean add, gchar **result)

Macro Definition Documentation

DT_DATETIME_EXIF_LENGTH

#define DT_DATETIME_EXIF_LENGTH   20

DT_DATETIME_LENGTH

#define DT_DATETIME_LENGTH   24

Typedef Documentation

dt_datetime_t

typedef struct dt_datetime_t dt_datetime_t

Function Documentation

dt_datetime_add_subsec_to_exif()

void dt_datetime_add_subsec_to_exif	(	char *	exif,
		const size_t	exif_size,
		const char *	subsec
	)

References DT_DATETIME_EXIF_LENGTH.

Referenced by _find_datetime_taken().

dt_datetime_entry_to_exif()

gboolean dt_datetime_entry_to_exif	(	char *	exif,
		const size_t	exif_size,
		const char *	entry
	)

References dt_datetime_gdatetime_to_exif(), dt_string_to_datetime(), and FALSE.

Referenced by _datetime_changed_callback(), _dt_collection_compute_datetime(), and _set_test_path().

dt_datetime_entry_to_exif_upper_bound()

gboolean dt_datetime_entry_to_exif_upper_bound	(	char *	exif,
		const size_t	exif_size,
		const char *	entry
	)

References darktable, dt_datetime_gdatetime_to_exif(), DT_DATETIME_LENGTH, DT_DATETIME_ORIGIN, FALSE, and darktable_t::utc_tz.

Referenced by _dt_collection_compute_datetime().

dt_datetime_exif_add_numbers()

gboolean dt_datetime_exif_add_numbers	(	const gchar *	exif,
		const dt_datetime_t	numbers,
		const gboolean	add,
		gchar **	result
	)

References darktable, DT_DATETIME_EXIF_LENGTH, dt_datetime_exif_to_gdatetime(), dt_datetime_gdatetime_add_numbers(), dt_datetime_gdatetime_to_exif(), FALSE, TRUE, and darktable_t::utc_tz.

dt_datetime_exif_to_gdatetime()

GDateTime * dt_datetime_exif_to_gdatetime	(	const char *	exif,
		const GTimeZone *	tz
	)

References dt_datetime_t::day, dt_datetime_exif_to_numbers(), dt_datetime_t::hour, dt_datetime_t::minute, dt_datetime_t::month, dt_datetime_t::msec, dt_datetime_t::second, and dt_datetime_t::year.

Referenced by _add_datetime_offset(), _get_image_datetime(), _localtime_text_to_utc_timeval(), _upgrade_library_schema_step(), dt_datetime_exif_add_numbers(), dt_datetime_exif_to_gtimespan(), and dt_datetime_exif_to_img().

dt_datetime_exif_to_gtimespan()

GTimeSpan dt_datetime_exif_to_gtimespan

(

const char *

sdt

)

References darktable, dt_datetime_exif_to_gdatetime(), darktable_t::origin_gdt, and darktable_t::utc_tz.

Referenced by get_query_string().

dt_datetime_exif_to_img()

void dt_datetime_exif_to_img	(	dt_image_t *	img,
		const char *	exif
	)

References darktable, dt_datetime_exif_to_gdatetime(), dt_image_t::exif_datetime_taken, darktable_t::origin_gdt, and darktable_t::utc_tz.

Referenced by _exif_decode_exif_data(), _exif_decode_iptc_data(), _exif_decode_xmp_data(), _set_datetime(), dt_image_cache_allocate(), dt_image_init(), and exif_datetime_taken_member().

dt_datetime_exif_to_numbers()

gboolean dt_datetime_exif_to_numbers	(	dt_datetime_t *	dt,
		const char *	exif
	)

References _datetime_gdatetime_to_numbers(), darktable, DT_DATETIME_LENGTH, DT_DATETIME_ORIGIN, FALSE, and darktable_t::utc_tz.

Referenced by dt_datetime_exif_to_gdatetime().

dt_datetime_exif_to_numbers_raw()

gboolean dt_datetime_exif_to_numbers_raw	(	dt_datetime_t *	dt,
		const char *	exif
	)

References dt_datetime_t::day, FALSE, dt_datetime_t::hour, dt_datetime_t::minute, dt_datetime_t::month, dt_datetime_t::second, TRUE, and dt_datetime_t::year.

dt_datetime_gdatetime_add_numbers()

GDateTime * dt_datetime_gdatetime_add_numbers	(	GDateTime *	dte,
		const dt_datetime_t	numbers,
		const gboolean	add
	)

References dt_datetime_t::day, dt_datetime_t::hour, dt_datetime_t::minute, dt_datetime_t::month, dt_datetime_t::second, and dt_datetime_t::year.

Referenced by dt_datetime_exif_add_numbers(), and dt_datetime_gtimespan_add_numbers().

dt_datetime_gdatetime_to_exif()

gboolean dt_datetime_gdatetime_to_exif	(	char *	exif,
		const size_t	exif_size,
		GDateTime *	gdt
	)

References _datetime_append_msec(), DT_DATETIME_EXIF_FORMAT, DT_DATETIME_LENGTH, FALSE, and TRUE.

Referenced by _apply_datetime_callback(), _get_base_value(), dt_datetime_entry_to_exif(), dt_datetime_entry_to_exif_upper_bound(), dt_datetime_exif_add_numbers(), dt_datetime_gtimespan_to_exif(), dt_datetime_now_to_exif(), and dt_datetime_unix_to_exif().

dt_datetime_gdatetime_to_gtimespan()

GTimeSpan dt_datetime_gdatetime_to_gtimespan

(

GDateTime *

gdt

)

References darktable, and darktable_t::origin_gdt.

Referenced by _convert_unix_to_gtimespan(), _upgrade_library_schema_step(), and dt_datetime_gtimespan_add_numbers().

dt_datetime_gdatetime_to_local()

gboolean dt_datetime_gdatetime_to_local	(	char *	local,
		const size_t	local_size,
		GDateTime *	gdt,
		const gboolean	msec,
		const gboolean	tz
	)

References _datetime_append_msec(), FALSE, and TRUE.

Referenced by dt_datetime_gtimespan_to_local().

dt_datetime_gtimespan_add_numbers()

GTimeSpan dt_datetime_gtimespan_add_numbers	(	const GTimeSpan	dt,
		const dt_datetime_t	numbers,
		const gboolean	add
	)

References dt_datetime_gdatetime_add_numbers(), dt_datetime_gdatetime_to_gtimespan(), and dt_datetime_gtimespan_to_gdatetime().

dt_datetime_gtimespan_to_exif()

gboolean dt_datetime_gtimespan_to_exif	(	char *	sdt,
		const size_t	sdt_size,
		const GTimeSpan	gts
	)

References darktable, dt_datetime_gdatetime_to_exif(), FALSE, and darktable_t::origin_gdt.

Referenced by _exif_xmp_read_data(), _exif_xmp_read_data_export(), dt_datetime_img_to_exif(), and tree_view().

dt_datetime_gtimespan_to_gdatetime()

GDateTime * dt_datetime_gtimespan_to_gdatetime

(

const GTimeSpan

gts

)

References darktable, and darktable_t::origin_gdt.

Referenced by dt_datetime_gtimespan_add_numbers().

dt_datetime_gtimespan_to_local()

gboolean dt_datetime_gtimespan_to_local	(	char *	local,
		const size_t	local_size,
		const GTimeSpan	gts,
		const gboolean	msec,
		const gboolean	tz
	)

References darktable, dt_datetime_gdatetime_to_local(), FALSE, and darktable_t::origin_gdt.

Referenced by _metadata_update_timestamp(), and dt_datetime_img_to_local().

dt_datetime_gtimespan_to_numbers()

gboolean dt_datetime_gtimespan_to_numbers	(	dt_datetime_t *	dt,
		const GTimeSpan	gts
	)

References _datetime_gdatetime_to_numbers(), darktable, FALSE, and darktable_t::origin_gdt.

dt_datetime_img_to_exif()

gboolean dt_datetime_img_to_exif	(	char *	exif,
		const size_t	exif_size,
		const dt_image_t *	img
	)

References dt_datetime_gtimespan_to_exif(), and dt_image_t::exif_datetime_taken.

Referenced by _setup_selected_images_list(), dt_exif_read_blob(), dt_image_get_datetime(), and exif_datetime_taken_member().

dt_datetime_img_to_gdatetime()

GDateTime * dt_datetime_img_to_gdatetime	(	const dt_image_t *	img,
		const GTimeZone *	tz
	)

References _datetime_gdatetime_to_numbers(), darktable, dt_datetime_t::day, dt_image_t::exif_datetime_taken, dt_datetime_t::hour, dt_datetime_t::minute, dt_datetime_t::month, darktable_t::origin_gdt, dt_datetime_t::second, and dt_datetime_t::year.

Referenced by _init_expansion(), and dt_control_gpx_apply_job_run().

dt_datetime_img_to_local()

gboolean dt_datetime_img_to_local	(	char *	local,
		const size_t	local_size,
		const dt_image_t *	img,
		const gboolean	msec
	)

References dt_datetime_gtimespan_to_local(), dt_image_t::exif_datetime_taken, and FALSE.

Referenced by _image_get_infos(), _metadata_view_update_values(), and update_preview_cb().

dt_datetime_init()

void dt_datetime_init

(

void

)

References darktable, DT_DATETIME_ORIGIN, darktable_t::origin_gdt, and darktable_t::utc_tz.

Referenced by dt_init().

dt_datetime_now_to_exif()

void dt_datetime_now_to_exif

(

char *

exif

)

References DT_DATETIME_EXIF_LENGTH, and dt_datetime_gdatetime_to_exif().

Referenced by dt_exif_read_blob(), and main().

dt_datetime_now_to_gtimespan()

GTimeSpan dt_datetime_now_to_gtimespan

(

void

)

References _gdatetime_to_gtimespan().

Referenced by _image_import_internal(), dt_image_cache_set_change_timestamp(), dt_image_cache_set_export_timestamp(), and dt_image_cache_set_print_timestamp().

dt_datetime_numbers_to_gtimespan()

GTimeSpan dt_datetime_numbers_to_gtimespan

(

const dt_datetime_t *

dt

)

References _gdatetime_to_gtimespan(), darktable, dt_datetime_t::day, dt_datetime_t::hour, dt_datetime_t::minute, dt_datetime_t::month, dt_datetime_t::second, darktable_t::utc_tz, and dt_datetime_t::year.

dt_datetime_unix_to_exif()

gboolean dt_datetime_unix_to_exif	(	char *	exif,
		const size_t	exif_size,
		const time_t *	unix
	)

References dt_datetime_gdatetime_to_exif(), and FALSE.

Referenced by _is_in_library_by_metadata(), and _write_xmp_id().

dt_datetime_unix_to_img()

gboolean dt_datetime_unix_to_img	(	dt_image_t *	img,
		const time_t *	unix
	)

References darktable, dt_image_t::exif_datetime_taken, FALSE, darktable_t::origin_gdt, and TRUE.

Referenced by dt_exif_read().

dt_string_to_datetime()

GDateTime * dt_string_to_datetime

(

const char *

string

)

References darktable, DT_DATETIME_LENGTH, DT_DATETIME_ORIGIN, FALSE, and darktable_t::utc_tz.

Referenced by _process_file_list(), _set_test_path(), and dt_datetime_entry_to_exif().