[gimp] app: fix the canvas passe partout's extents

[Michael Natterer <mitch src gnome org>]

commit cca8273f5ed0d86eb25803c6a151a6d7f1107013
Author: Michael Natterer <mitch gimp org>
Date:   Fri Nov 12 19:45:01 2010 +0100

    app: fix the canvas passe partout's extents

 app/display/gimpcanvaspassepartout.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/app/display/gimpcanvaspassepartout.c b/app/display/gimpcanvaspassepartout.c
index 961db73..d4a8ffb 100644
--- a/app/display/gimpcanvaspassepartout.c
+++ b/app/display/gimpcanvaspassepartout.c
@@ -87,8 +87,11 @@ gimp_canvas_passe_partout_get_extents (GimpCanvasItem   *item,
   cairo_region_t *outer;
   GdkRectangle    rect = { 0, 0, 0, 0 };
 
+  rect.x = - shell->offset_x;
+  rect.y = - shell->offset_y;
   gimp_display_shell_draw_get_scaled_image_size (shell,
                                                  &rect.width, &rect.height);
+
   outer = cairo_region_create_rectangle ((cairo_rectangle_int_t *) &rect);
 
   inner = GIMP_CANVAS_ITEM_CLASS (parent_class)->get_extents (item, shell);