[gimp] app: get rid of x1, y1, x2, y2 in gimp_channel_real_flood()

[Michael Natterer <mitch src gnome org>]

commit 076ef278d4bc5fa5c683a8baca3fe4d4134f3f98
Author: Michael Natterer <mitch gimp org>
Date:   Sun Apr 10 16:34:53 2016 +0200

    app: get rid of x1, y1, x2, y2 in gimp_channel_real_flood()
    
    Use, x, y, width, height instead.

 app/core/gimpchannel.c |   11 ++++-------
 1 files changed, 4 insertions(+), 7 deletions(-)
---
diff --git a/app/core/gimpchannel.c b/app/core/gimpchannel.c
index 9da77e8..c37d14d 100644
--- a/app/core/gimpchannel.c
+++ b/app/core/gimpchannel.c
@@ -1596,14 +1596,11 @@ static void
 gimp_channel_real_flood (GimpChannel *channel,
                          gboolean     push_undo)
 {
-  gint x1, y1, x2, y2;
+  gint x, y, width, height;
 
-  if (! gimp_item_bounds (GIMP_ITEM (channel), &x1, &y1, &x2, &y2))
+  if (! gimp_item_bounds (GIMP_ITEM (channel), &x, &y, &width, &height))
     return;
 
-  x2 += x1;
-  y2 += y1;
-
   if (gimp_channel_is_empty (channel))
     return;
 
@@ -1614,9 +1611,9 @@ gimp_channel_real_flood (GimpChannel *channel,
   gimp_gegl_apply_flood (gimp_drawable_get_buffer (GIMP_DRAWABLE (channel)),
                          NULL, NULL,
                          gimp_drawable_get_buffer (GIMP_DRAWABLE (channel)),
-                         GEGL_RECTANGLE (x1, y1, x2 - x1, y2 - y1));
+                         GEGL_RECTANGLE (x, y, width, height));
 
-  gimp_drawable_update (GIMP_DRAWABLE (channel), x1, y1, x2 - x1, y2 - y1);
+  gimp_drawable_update (GIMP_DRAWABLE (channel), x, y, width, height);
 }