theming: Verify that the "original" image size is defined

Let's make it mandatory for now.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/setup.c b/src/setup.c
index cf4ca3f..e0741c5 100644
--- a/src/setup.c
+++ b/src/setup.c
@@ -414,6 +414,10 @@ validate_design_setup (TGalleryDesign *design)
     fprintf (stderr, "design validation error: no image size defined\n");
     return FALSE;
   }
+  if (! lookup_image_size (design, "original")) {
+      fprintf (stderr, "design validation error: mandatory \"original\" image size not defined\n");
+      return FALSE;
+    }
 
   /*  validate themes  */
   if (g_list_length (design->themes) == 0) {