[gegl] spherize: pass-through on infinite planes (issue #179)

[Thomas Manni <tmanni src gnome org>]

commit c2cb2aa87b752013b7f9347fc2504b1affcd6f39
Author: Thomas Manni <thomas manni free fr>
Date:   Wed Jul 31 18:00:08 2019 +0200

    spherize: pass-through on infinite planes (issue #179)

 operations/common/spherize.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/operations/common/spherize.c b/operations/common/spherize.c
index 1a6dee0fd..3ebf459b7 100644
--- a/operations/common/spherize.c
+++ b/operations/common/spherize.c
@@ -79,6 +79,9 @@ is_nop (GeglOperation *operation)
 
   in_rect = gegl_operation_source_get_bounding_box (operation, "input");
 
+  if (in_rect && gegl_rectangle_is_infinite_plane (in_rect))
+    return TRUE;
+
   switch (o->mode)
     {
     case GEGL_SPHERIZE_MODE_RADIAL: