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[geeqie.git] / src / metadata.c

diff --git a/src/metadata.c b/src/metadata.c
index dd4e1fa..26d8350 100644 (file)
--- a/src/metadata.c
+++ b/src/metadata.c
@@ -302,7 +302,7 @@ gboolean metadata_write_perform(FileData *fd)
        g_assert(fd->change);
 
        if (fd->change->dest &&
-           strcmp(extension_from_path(fd->change->dest), GQ_CACHE_EXT_METADATA) == 0)
+           strcmp(registered_extension_from_path(fd->change->dest), GQ_CACHE_EXT_METADATA) == 0)
                {
                success = metadata_legacy_write(fd);
                if (success) metadata_legacy_delete(fd, fd->change->dest);
@@ -784,6 +784,37 @@ gdouble metadata_read_GPS_coord(FileData *fd, const gchar *key, gdouble fallback
        return coord;
 }
 
+gdouble metadata_read_GPS_direction(FileData *fd, const gchar *key, gdouble fallback)
+{
+       gchar *endptr;
+       gdouble deg;
+       gboolean ok = FALSE;
+       gchar *string = metadata_read_string(fd, key, METADATA_PLAIN);
+       if (!string) return fallback;
+
+       DEBUG_3("GPS_direction: %s\n", string);
+       deg = g_ascii_strtod(string, &endptr);
+
+       /* Expected text string is of the format e.g.:
+        * 18000/100
+        */
+       if (*endptr == '/')
+               {
+               deg = deg/100;
+               ok = TRUE;
+               }
+
+       if (!ok)
+               {
+               deg = fallback;
+               log_printf("unable to parse GPS direction '%s: %f'\n", string, deg);
+               }
+
+       g_free(string);
+
+       return deg;
+}
+
 gboolean metadata_append_string(FileData *fd, const gchar *key, const char *value)
 {
        gchar *str = metadata_read_string(fd, key, METADATA_PLAIN);
@@ -802,6 +833,46 @@ gboolean metadata_append_string(FileData *fd, const gchar *key, const char *valu
                }
 }
 
+gboolean metadata_write_GPS_coord(FileData *fd, const gchar *key, gdouble value)
+{
+       gint deg;
+       gdouble min;
+       gdouble param;
+       char *coordinate;
+       char *ref;
+       gboolean ok = TRUE;
+
+       param = value;
+       if (param < 0)
+               param = -param;
+       deg = param;
+       min = (param * 60) - (deg * 60);
+       if (g_strcmp0(key, "Xmp.exif.GPSLongitude") == 0)
+               if (value < 0)
+                       ref = "W";
+               else
+                       ref = "E";
+       else if (g_strcmp0(key, "Xmp.exif.GPSLatitude") == 0)
+               if (value < 0)
+                       ref = "S";
+               else
+                       ref = "N";
+       else
+               {
+               log_printf("unknown GPS parameter key '%s'\n", key);
+               ok = FALSE;
+               }
+
+       if (ok)
+               {
+               coordinate = g_strdup_printf("%i,%lf,%s", deg, min, ref);
+               metadata_write_string(fd, key, coordinate );
+               g_free(coordinate);
+               }
+
+       return ok;
+}
+
 gboolean metadata_append_list(FileData *fd, const gchar *key, const GList *values)
 {
        GList *list = metadata_read_list(fd, key, METADATA_PLAIN);