Support external EXIF metadata

This brings an ability to specify external file to read EXIF/IPTC
data from. The motivation was to work around RAW editors randomly
stripping some EXIF blocks.

1 files changed, 10 insertions, 2 deletions

diff --git a/src/generators.c b/src/generators.c
index ab7ab12..d5f1837 100644
--- a/src/generators.c
+++ b/src/generators.c
@@ -706,9 +706,17 @@ write_html_image (TGallerySetup *setup,
   if (next_item && setup->preload)
     get_image_paths (setup, parent_items, next_item, next_item_index, path_info, image_size, NULL, NULL, &preload_imgname);
 
-  /*  Get EXIF data from the original image  */
+  /*  Use external EXIF file if specified  */
   exif = NULL;
-  if (img_orig_src) {
+  if (item->metadata_external_exif) {
+    s1 = g_build_filename (path_info->src_dir, item->metadata_external_exif, NULL);
+    exif = read_exif (s1);
+    if (exif == NULL)
+      log_error ("write_html_image: error getting exif data from file \"%s\"\n", s1);
+    g_free (s1);
+  }
+  /*  Get EXIF data from the original image  */
+  if (exif == NULL && img_orig_src) {
     exif = read_exif (img_orig_src);
     if (exif == NULL)
       log_error ("write_html_image: error getting exif data from file \"%s\"\n", img_orig_src);