Default to first page for pdf images

samvera · Nov 17, 2016 · 5528d4a · 5528d4a
1 parent ab8a3c5
commit 5528d4a
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/lib/hydra/derivatives/processors/image.rb b/lib/hydra/derivatives/processors/image.rb
@@ -59,9 +59,13 @@ def quality
       end
 
       def selected_layers(image)
-        layer_index = directives.fetch(:layer, false)
-        return image unless layer_index
-        image.layers[layer_index]
+        if image.type =~ /pdf/i
+          image.layers[directives.fetch(:layer, 0)]
+        elsif directives.fetch(:layer, false)
+          image.layers[directives.fetch(:layer)]
+        else
+          image
+        end
       end
   end
 end