[gegl] add GEGL_RECTANGLE macro using a compound literal

[Ãyvind KolÃs <ok src gnome org>]

commit 3fc013cf80c6f07afabec476240fc751501f97be
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Mon Apr 2 14:12:19 2012 +0100

    add GEGL_RECTANGLE macro using a compound literal
    
    A utility macro to specify a pointer to a GeglRectangle inline, permits
    more concicse

 gegl/gegl-types.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gegl/gegl-types.h b/gegl/gegl-types.h
index 8ff5048..f3d10b8 100644
--- a/gegl/gegl-types.h
+++ b/gegl/gegl-types.h
@@ -54,6 +54,9 @@ typedef struct _GeglRectangle
 GType gegl_rectangle_get_type (void) G_GNUC_CONST;
 #define GEGL_TYPE_RECTANGLE   (gegl_rectangle_get_type())
 
+#define  GEGL_RECTANGLE(x,y,w,h) (&((GeglRectangle){(x), (y),   (w), (h)}))
+
+
 typedef struct _GeglNode  GeglNode;
 GType gegl_node_get_type  (void) G_GNUC_CONST;
 #define GEGL_TYPE_NODE    (gegl_node_get_type())