[gtk+] quartz: Don't bother storing the paint_clip_region

[Jasper St. Pierre <jstpierre src gnome org>]

commit ec2925a5bf67fc4aed45cd42d68fd00735ae90a5
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sat Nov 22 08:06:09 2014 -0800

    quartz: Don't bother storing the paint_clip_region
    
    It's unused.

 gdk/quartz/gdkwindow-quartz.c |   55 -----------------------------------------
 gdk/quartz/gdkwindow-quartz.h |    1 -
 2 files changed, 0 insertions(+), 56 deletions(-)
---
diff --git a/gdk/quartz/gdkwindow-quartz.c b/gdk/quartz/gdkwindow-quartz.c
index c793705..68ec2bd 100644
--- a/gdk/quartz/gdkwindow-quartz.c
+++ b/gdk/quartz/gdkwindow-quartz.c
@@ -211,9 +211,6 @@ gdk_window_impl_quartz_finalize (GObject *object)
 
   check_grab_destroy (GDK_WINDOW_IMPL_QUARTZ (object)->wrapper);
 
-  if (impl->paint_clip_region)
-    cairo_region_destroy (impl->paint_clip_region);
-
   if (impl->transient_for)
     g_object_unref (impl->transient_for);
 
@@ -340,61 +337,10 @@ static gboolean
 gdk_window_impl_quartz_begin_paint_region (GdkWindow       *window,
                                           const cairo_region_t *region)
 {
-  GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (window->impl);
-  cairo_region_t *clipped_and_offset_region;
-  cairo_t *cr;
-
-  clipped_and_offset_region = cairo_region_copy (region);
-
-  cairo_region_intersect (clipped_and_offset_region,
-                        window->clip_region);
-  cairo_region_translate (clipped_and_offset_region,
-                     window->abs_x, window->abs_y);
-
-  impl->paint_clip_region = cairo_region_reference (clipped_and_offset_region);
-
-  if (cairo_region_is_empty (clipped_and_offset_region))
-    goto done;
-
-  cr = gdk_cairo_create (window);
-
-  cairo_translate (cr, -window->abs_x, -window->abs_y);
-
-  gdk_cairo_region (cr, clipped_and_offset_region);
-  cairo_clip (cr);
-
-  while (window->background == NULL && window->parent)
-    {
-      cairo_translate (cr, -window->x, window->y);
-      window = window->parent;
-    }
-  
-  if (window->background)
-    cairo_set_source (cr, window->background);
-  else
-    cairo_set_source_rgba (cr, 0, 0, 0, 0);
-
-  /* Can use cairo_paint() here, we clipped above */
-  cairo_paint (cr);
-
-  cairo_destroy (cr);
-
-done:
-  cairo_region_destroy (clipped_and_offset_region);
-
   return FALSE;
 }
 
 static void
-gdk_window_impl_quartz_end_paint (GdkWindow *window)
-{
-  GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (window->impl);
-
-  cairo_region_destroy (impl->paint_clip_region);
-  impl->paint_clip_region = NULL;
-}
-
-static void
 gdk_quartz_window_set_needs_display_in_region (GdkWindow    *window,
                                                cairo_region_t    *region)
 {
@@ -2947,7 +2893,6 @@ gdk_window_impl_quartz_class_init (GdkWindowImplQuartzClass *klass)
   impl_class->get_shape = gdk_quartz_window_get_shape;
   impl_class->get_input_shape = gdk_quartz_window_get_input_shape;
   impl_class->begin_paint_region = gdk_window_impl_quartz_begin_paint_region;
-  impl_class->end_paint = gdk_window_impl_quartz_end_paint;
   impl_class->get_scale_factor = gdk_quartz_window_get_scale_factor;
 
   impl_class->focus = gdk_quartz_window_focus;
diff --git a/gdk/quartz/gdkwindow-quartz.h b/gdk/quartz/gdkwindow-quartz.h
index d1b5665..ccd7633 100644
--- a/gdk/quartz/gdkwindow-quartz.h
+++ b/gdk/quartz/gdkwindow-quartz.h
@@ -50,7 +50,6 @@ struct _GdkWindowImplQuartz
 
   GdkWindowTypeHint type_hint;
 
-  cairo_region_t *paint_clip_region;
   gint in_paint_rect_count;
 
   GdkWindow *transient_for;