Merge pull request #6988 from sgotti/add_optional_thumbnail_rank_color_load_save_from_to_xmp_sidecar

Add optional image rank/color load/save from/to xmp sidecar

rtengine/metadata.cc

@@ -106,19 +106,6 @@ void clear_metadata_key(Data &data, const Key &key)
     }
 }
 
-template <typename Iterator, typename Integer = std::size_t>
-auto to_long(const Iterator &iter, Integer n = Integer{0}) -> decltype(
-#if EXIV2_TEST_VERSION(0,28,0)
-    iter->toInt64()
-) {
-    return iter->toInt64(n);
-#else
-    iter->toLong()
-) {
-    return iter->toLong(n);
-#endif
-}
-
 } // namespace
 
 

rtengine/metadata.h

@@ -97,4 +97,18 @@ private:
     static std::unique_ptr<ImageCache> cache_;
 };
 
+template <typename Iterator, typename Integer = std::size_t>
+auto to_long(const Iterator &iter, Integer n = Integer{0}) -> decltype(
+#if EXIV2_TEST_VERSION(0,28,0)
+    iter->toInt64()
+) {
+    return iter->toInt64(n);
+#else
+    iter->toLong()
+) {
+    return iter->toLong(n);
+#endif
+}
+
+
 } // namespace rtengine