#include "filefilter.h"
#include "filecache.h"
#include "format_raw.h"
+#include "glua.h"
#include "ui_fileops.h"
#include "cache.h"
#include "jpeg_parser.h"
+#include "misc.h"
+#include "zonedetect.h"
static gdouble exif_rational_to_double(ExifRational *r, gint sign)
gchar *text;
text = exif_get_data_as_text(exif, "Exif.Photo.ISOSpeedRatings");
+ /* old canon may set this instead */
+ if (!text) text = exif_get_data_as_text(exif, "Exif.CanonSi.ISOSpeed");
/* kodak may set this instead */
if (!text) text = exif_get_data_as_text(exif, "Exif.Photo.ExposureIndex");
return text;
return g_strdup_printf("%0.f m %s", alt, (ref==0)?_("Above Sea Level"):_("Below Sea Level"));
}
+/**
+ * @brief Extracts timezone data from a ZoneDetect search structure
+ * @param[in] results ZoneDetect search structure
+ * @param[out] timezone in the form "Europe/London"
+ * @param[out] countryname in the form "United Kingdom"
+ * @param[out] countryalpha2 in the form "GB"
+ *
+ * Refer to https://github.com/BertoldVdb/ZoneDetect
+ * for structure details
+ */
+static void zd_tz(ZoneDetectResult *results, gchar **timezone, gchar **countryname, gchar **countryalpha2)
+{
+ gchar *timezone_pre = NULL;
+ gchar *timezone_id = NULL;
+ unsigned int index = 0;
+
+ while(results[index].lookupResult != ZD_LOOKUP_END)
+ {
+ if(results[index].data)
+ {
+ for(unsigned int i=0; i<results[index].numFields; i++)
+ {
+ if (g_strstr_len(results[index].fieldNames[i], -1, "TimezoneIdPrefix"))
+ {
+ timezone_pre = g_strdup(results[index].data[i]);
+ }
+ if (g_strstr_len(results[index].fieldNames[i], -1, "TimezoneId"))
+ {
+ timezone_id = g_strdup(results[index].data[i]);
+ }
+ if (g_strstr_len(results[index].fieldNames[i], -1, "CountryName"))
+ {
+ *countryname = g_strdup(results[index].data[i]);
+ }
+ if (g_strstr_len(results[index].fieldNames[i], -1, "CountryAlpha2"))
+ {
+ *countryalpha2 = g_strdup(results[index].data[i]);
+ }
+ }
+ }
+ index++;
+ }
+
+ *timezone = g_strconcat(timezone_pre, timezone_id, NULL);
+ g_free(timezone_pre);
+ g_free(timezone_id);
+}
+
+/**
+ * @brief Gets timezone data from an exif structure
+ * @param[in] exif
+ * @returns TRUE if timezone data found AND GPS date and time found
+ * @param[out] exif_date_time exif date/time in the form 2018:11:30:17:05:04
+ * @param[out] timezone in the form "Europe/London"
+ * @param[out] countryname in the form "United Kingdom"
+ * @param[out] countryalpha2 in the form "GB"
+ *
+ *
+ */
+static gboolean exif_build_tz_data(ExifData *exif, gchar **exif_date_time, gchar **timezone, gchar **countryname, gchar **countryalpha2)
+{
+ gfloat latitude;
+ gfloat longitude;
+ gchar *text_latitude;
+ gchar *text_longitude;
+ gchar *text_latitude_ref;
+ gchar *text_longitude_ref;
+ gchar *text_date;
+ gchar *text_time;
+ gchar *lat_deg;
+ gchar *lat_min;
+ gchar *lon_deg;
+ gchar *lon_min;
+ gchar *timezone_path;
+ ZoneDetect *cd;
+ ZoneDetectResult *results;
+ gboolean ret = FALSE;
+ gchar *basename;
+ gchar *path;
+
+ text_latitude = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSLatitude");
+ text_longitude = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSLongitude");
+ text_latitude_ref = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSLatitudeRef");
+ text_longitude_ref = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSLongitudeRef");
+ text_date = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSDateStamp");
+ text_time = exif_get_data_as_text(exif, "Exif.GPSInfo.GPSTimeStamp");
+
+ if (text_latitude && text_longitude && text_latitude_ref && text_longitude_ref)
+ {
+ lat_deg = strtok(text_latitude, "deg'");
+ lat_min = strtok(NULL, "deg'");
+ if (!lat_deg || !lat_min)
+ {
+ return FALSE;
+ }
+ latitude = atof(lat_deg) + atof(lat_min) / 60;
+ if (!g_strcmp0(text_latitude_ref, "South"))
+ {
+ latitude = -latitude;
+ }
+ lon_deg = strtok(text_longitude, "deg'");
+ lon_min = strtok(NULL, "deg'");
+ if (!lon_deg || !lon_min)
+ {
+ return FALSE;
+ }
+ longitude = atof(lon_deg) + atof(lon_min) / 60;
+ if (!g_strcmp0(text_longitude_ref, "West"))
+ {
+ longitude = -longitude;
+ }
+
+ path = path_from_utf8(TIMEZONE_DATABASE);
+ basename = g_path_get_basename(path);
+ timezone_path = g_build_filename(get_rc_dir(), basename, NULL);
+ if (g_file_test(timezone_path, G_FILE_TEST_EXISTS))
+ {
+ cd = ZDOpenDatabase(timezone_path);
+ if (cd)
+ {
+ results = ZDLookup(cd, latitude, longitude, NULL);
+ if (results)
+ {
+ zd_tz(results, timezone, countryname, countryalpha2);
+ ret = TRUE;
+ }
+ }
+ else
+ {
+ log_printf("Error: Init of timezone database %s failed\n", timezone_path);
+ }
+ ZDCloseDatabase(cd);
+ }
+ g_free(path);
+ g_free(timezone_path);
+ g_free(basename);
+ }
+
+ if (ret && text_date && text_time)
+ {
+ *exif_date_time = g_strconcat(text_date, ":", text_time, NULL);
+ }
+ else
+ {
+ ret = FALSE;
+ }
+ return ret;
+}
+
+/**
+ * @brief Creates local time from GPS lat/long
+ * @param[in] exif
+ * @returns Localised time and date
+ *
+ * GPS lat/long is translated to timezone using ZoneDetect.
+ * GPS UTC is converted to Unix time stamp (seconds since 1970).
+ * The TZ environment variable is set to the relevant timezone
+ * and the Unix timestamp converted to local time using locale.
+ * If the conversion fails, unformatted UTC is returned.
+ */
+static gchar *exif_build_formatted_localtime(ExifData *exif)
+{
+ gchar buf[128];
+ gchar *tmp;
+ gint buflen;
+ GError *error = NULL;
+ gchar *time_zone_image;
+ gchar *time_zone_org;
+ struct tm *tm_local;
+ struct tm tm_utc;
+ time_t stamp;
+ gchar *exif_date_time = NULL;
+ gchar *timezone = NULL;
+ gchar *countryname = NULL;
+ gchar *countryalpha2 = NULL;
+
+ if (exif_build_tz_data(exif, &exif_date_time, &timezone, &countryname, &countryalpha2))
+ {
+ time_zone_image = g_strconcat("TZ=", timezone, NULL);
+ time_zone_org = g_strconcat("TZ=", getenv("TZ"), NULL);
+ putenv("TZ=UTC");
+
+ memset(&tm_utc, 0, sizeof(tm_utc));
+ if (exif_date_time && strptime(exif_date_time, "%Y:%m:%d:%H:%M:%S", &tm_utc))
+ {
+ stamp = mktime(&tm_utc); // Convert the struct to a Unix timestamp
+ putenv(time_zone_image); // Switch to destination time zone
+
+ tm_local = localtime(&stamp);
+
+ /* Convert to localtime using locale */
+ buflen = strftime(buf, sizeof(buf), "%x %X", tm_local);
+ if (buflen > 0)
+ {
+ tmp = g_locale_to_utf8(buf, buflen, NULL, NULL, &error);
+ if (error)
+ {
+ log_printf("Error converting locale strftime to UTF-8: %s\n", error->message);
+ g_error_free(error);
+ }
+ else
+ {
+ g_free(exif_date_time);
+ exif_date_time = tmp;
+ }
+ }
+ }
+ putenv(time_zone_org);
+
+ g_free(time_zone_image);
+ g_free(time_zone_org);
+ }
+
+ g_free(timezone);
+ g_free(countryname);
+ g_free(countryalpha2);
+
+ return exif_date_time;
+}
+
+/**
+ * @brief Gets timezone from GPS lat/long
+ * @param[in] exif
+ * @returns Timezone string in the form "Europe/London"
+ *
+ *
+ */
+static gchar *exif_build_formatted_timezone(ExifData *exif)
+{
+ gchar *exif_date_time = NULL;
+ gchar *timezone = NULL;
+ gchar *countryname = NULL;
+ gchar *countryalpha2 = NULL;
+
+ exif_build_tz_data(exif, &exif_date_time, &timezone, &countryname, &countryalpha2);
+
+ g_free(exif_date_time);
+ g_free(countryname);
+ g_free(countryalpha2);
+
+ return timezone;
+}
+
+/**
+ * @brief Gets countryname from GPS lat/long
+ * @param[in] exif
+ * @returns Countryname string
+ *
+ *
+ */
+static gchar *exif_build_formatted_countryname(ExifData *exif)
+{
+ gchar *exif_date_time = NULL;
+ gchar *timezone = NULL;
+ gchar *countryname = NULL;
+ gchar *countryalpha2 = NULL;
+
+ exif_build_tz_data(exif, &exif_date_time, &timezone, &countryname, &countryalpha2);
+
+ g_free(exif_date_time);
+ g_free(timezone);
+ g_free(countryalpha2);
+
+ return countryname;
+}
+
+/**
+ * @brief Gets two-letter country code from GPS lat/long
+ * @param[in] exif
+ * @returns Countryalpha2 string
+ *
+ *
+ */
+static gchar *exif_build_formatted_countrycode(ExifData *exif)
+{
+ gchar *exif_date_time = NULL;
+ gchar *timezone = NULL;
+ gchar *countryname = NULL;
+ gchar *countryalpha2 = NULL;
+
+ exif_build_tz_data(exif, &exif_date_time, &timezone, &countryname, &countryalpha2);
+
+ g_free(exif_date_time);
+ g_free(timezone);
+ g_free(countryname);
+
+ return countryalpha2;
+}
+
+static gchar *exif_build_formatted_star_rating(ExifData *exif)
+{
+ gint n = 0;
+
+ exif_get_integer(exif, "Xmp.xmp.Rating", &n);
+
+ return convert_rating_to_stars(n);
+}
/* List of custom formatted pseudo-exif tags */
#define EXIF_FORMATTED_TAG(name, label) { EXIF_FORMATTED()#name, label, exif_build_formatted##_##name }
EXIF_FORMATTED_TAG(ColorProfile, N_("Color profile")),
EXIF_FORMATTED_TAG(GPSPosition, N_("GPS position")),
EXIF_FORMATTED_TAG(GPSAltitude, N_("GPS altitude")),
+ EXIF_FORMATTED_TAG(localtime, N_("Local time")),
+ EXIF_FORMATTED_TAG(timezone, N_("Time zone")),
+ EXIF_FORMATTED_TAG(countryname, N_("Country name")),
+ EXIF_FORMATTED_TAG(countrycode, N_("Country code")),
+ EXIF_FORMATTED_TAG(star_rating, N_("Star rating")),
{"file.size", N_("File size"), NULL},
{"file.date", N_("File date"), NULL},
{"file.mode", N_("File mode"), NULL},
+ {"file.ctime", N_("File ctime"), NULL},
+ {"file.owner", N_("File owner"), NULL},
+ {"file.group", N_("File group"), NULL},
+ {"file.link", N_("File link"), NULL},
+ {"file.class", N_("File class"), NULL},
+ {"file.page_no", N_("Page no."), NULL},
+ {"lua.lensID", N_("Lens"), NULL},
{ NULL, NULL, NULL }
};
{
if (!key) return NULL;
- if (strncmp(key, EXIF_FORMATTED(), EXIF_FORMATTED_LEN) == 0 ||
- strncmp(key, "file.", 5) == 0)
+ if (strncmp(key, EXIF_FORMATTED(), EXIF_FORMATTED_LEN) == 0 || strncmp(key, "file.", 5) == 0 || strncmp(key, "lua.", 4) == 0)
{
gint i;
gchar *metadata_file_info(FileData *fd, const gchar *key, MetadataFormat format)
{
+ gchar *page_n_of_m;
+
if (strcmp(key, "file.size") == 0)
{
return g_strdup_printf("%ld", (long)fd->size);
{
return mode_number(fd->mode);
}
+ if (strcmp(key, "file.ctime") == 0)
+ {
+ return g_strdup(text_from_time(fd->cdate));
+ }
+ if (strcmp(key, "file.class") == 0)
+ {
+ return g_strdup(format_class_list[fd->format_class]);
+ }
+ if (strcmp(key, "file.owner") == 0)
+ {
+ return g_strdup(fd->owner);
+ }
+ if (strcmp(key, "file.group") == 0)
+ {
+ return g_strdup(fd->group);
+ }
+ if (strcmp(key, "file.link") == 0)
+ {
+ return g_strdup(fd->sym_link);
+ }
+ if (strcmp(key, "file.page_no") == 0)
+ {
+ if (fd->page_total > 1)
+ {
+ page_n_of_m = g_strdup_printf("[%d/%d]", fd->page_num + 1, fd->page_total);
+ return page_n_of_m;
+ }
+ else
+ {
+ return NULL;
+ }
+ }
return g_strdup("");
}
+#ifdef HAVE_LUA
+gchar *metadata_lua_info(FileData *fd, const gchar *key, MetadataFormat format)
+{
+ gchar *script_name;
+ gchar *script_name_utf8;
+ gchar *data;
+ gchar *raw_data;
+ gchar *valid_data;
+
+ script_name_utf8 = g_strdup(key + 4);
+ script_name = path_from_utf8(script_name_utf8);
+
+ raw_data = lua_callvalue(fd, script_name, NULL);
+ valid_data = g_utf8_make_valid(raw_data, -1);
+ data = g_utf8_substring(valid_data, 0, 150);
+ g_free(script_name);
+ g_free(script_name_utf8);
+ g_free(raw_data);
+ g_free(valid_data);
+
+ return data;
+}
+#endif
/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */
projects / geeqie.git / blobdiff