[gimp] app: add a GIMP_GEGL_RECT utility macro

[Michael Natterer <mitch src gnome org>]

commit 390d48d4369a48de89dbe6f07bff60b06423dd6f
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Wed Mar 21 00:08:40 2012 +0000

    app: add a GIMP_GEGL_RECT utility macro
    
    It is evil, but it is possible to take the address of an inline defined struct
    as an argument in C. =)

 app/core/gimpdrawable-offset.c |   13 ++++---------
 app/gegl/gimp-gegl-utils.h     |    1 +
 2 files changed, 5 insertions(+), 9 deletions(-)
---
diff --git a/app/core/gimpdrawable-offset.c b/app/core/gimpdrawable-offset.c
index ca8808c..51d4f1d 100644
--- a/app/core/gimpdrawable-offset.c
+++ b/app/core/gimpdrawable-offset.c
@@ -140,15 +140,10 @@ gimp_drawable_offset (GimpDrawable   *drawable,
   /*  Copy the center region  */
   if (width && height)
     {
-      src_rect.x      = src_x;
-      src_rect.y      = src_y;
-      src_rect.width  = width;
-      src_rect.height = height;
-
-      dest_rect.x = dest_x;
-      dest_rect.y = dest_y;
-
-      gegl_buffer_copy (src_buffer, &src_rect, dest_buffer, &dest_rect);
+      gegl_buffer_copy (src_buffer,
+                        GIMP_GEGL_RECT (src_x,  src_y,  width, height),
+                        dest_buffer,
+                        GIMP_GEGL_RECT (dest_x,dest_y,  width, height));
     }
 
   if (wrap_around)
diff --git a/app/gegl/gimp-gegl-utils.h b/app/gegl/gimp-gegl-utils.h
index da5527a..70034fa 100644
--- a/app/gegl/gimp-gegl-utils.h
+++ b/app/gegl/gimp-gegl-utils.h
@@ -44,5 +44,6 @@ void          gimp_gegl_buffer_refetch_tiles     (GeglBuffer            *buffer)
 
 GeglColor   * gimp_gegl_color_new                (const GimpRGB         *rgb);
 
+#define       GIMP_GEGL_RECT(x,y,w,h)            (&((GeglRectangle){(x), (y), (w), (h)}))
 
 #endif /* __GIMP_GEGL_UTILS_H__ */