Sort/search on Exif.Photo.DateTimeDigitized

[geeqie.git] / src / filedata.c

diff --git a/src/filedata.c b/src/filedata.c
index 301f448..d0c6484 100644 (file)
--- a/src/filedata.c
+++ b/src/filedata.c
@@ -503,6 +503,41 @@ void read_exif_time_data(FileData *file)
                }
 }
 
+void read_exif_time_digitized_data(FileData *file)
+{
+       if (file->exifdate > 0)
+               {
+               DEBUG_1("%s set_exif_time_digitized_data: Already exists for %s", get_exec_time(), file->path);
+               return;
+               }
+
+       file->exif = exif_read_fd(file);
+
+       if (file->exif)
+               {
+               gchar *tmp = exif_get_data_as_text(file->exif, "Exif.Photo.DateTimeDigitized");
+               DEBUG_2("%s set_exif_time_digitized_data: reading %p %s", get_exec_time(), file, file->path);
+
+               if (tmp)
+                       {
+                       struct tm time_str;
+                       uint year, month, day, hour, min, sec;
+
+                       sscanf(tmp, "%4d:%2d:%2d %2d:%2d:%2d", &year, &month, &day, &hour, &min, &sec);
+                       time_str.tm_year  = year - 1900;
+                       time_str.tm_mon   = month - 1;
+                       time_str.tm_mday  = day;
+                       time_str.tm_hour  = hour;
+                       time_str.tm_min   = min;
+                       time_str.tm_sec   = sec;
+                       time_str.tm_isdst = 0;
+
+                       file->exifdate_digitized = mktime(&time_str);
+                       g_free(tmp);
+                       }
+               }
+}
+
 void set_exif_time_data(GList *files)
 {
        DEBUG_1("%s set_exif_time_data: ...", get_exec_time());
@@ -516,6 +551,19 @@ void set_exif_time_data(GList *files)
                }
 }
 
+void set_exif_time_digitized_data(GList *files)
+{
+       DEBUG_1("%s set_exif_time_digitized_data: ...", get_exec_time());
+
+       while (files)
+               {
+               FileData *file = files->data;
+
+               read_exif_time_digitized_data(file);
+               files = files->next;
+               }
+}
+
 void set_rating_data(GList *files)
 {
        gchar *rating_str;
@@ -1046,6 +1094,11 @@ gint filelist_sort_compare_filedata(FileData *fa, FileData *fb)
                        if (fa->exifdate > fb->exifdate) return 1;
                        /* fall back to name */
                        break;
+               case SORT_EXIFTIMEDIGITIZED:
+                       if (fa->exifdate_digitized < fb->exifdate_digitized) return -1;
+                       if (fa->exifdate_digitized > fb->exifdate_digitized) return 1;
+                       /* fall back to name */
+                       break;
                case SORT_RATING:
                        if (fa->rating < fb->rating) return -1;
                        if (fa->rating > fb->rating) return 1;
@@ -1111,6 +1164,10 @@ GList *filelist_sort(GList *list, SortType method, gboolean ascend)
                {
                set_exif_time_data(list);
                }
+       if (method == SORT_EXIFTIMEDIGITIZED)
+               {
+               set_exif_time_digitized_data(list);
+               }
        if (method == SORT_RATING)
                {
                set_rating_data(list);