[gtk+] pixelcache: add getter for extra width and height.

[Christian Hergert <chergert src gnome org>]

commit 7fabc94d3c707224ada47663bb198eb2e4b69e3c
Author: Christian Hergert <christian hergert me>
Date:   Fri Sep 6 15:49:50 2013 -0700

    pixelcache: add getter for extra width and height.

 gtk/gtkpixelcache.c        |   12 ++++++++++++
 gtk/gtkpixelcacheprivate.h |    3 +++
 2 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkpixelcache.c b/gtk/gtkpixelcache.c
index fd44f20..2529f11 100644
--- a/gtk/gtkpixelcache.c
+++ b/gtk/gtkpixelcache.c
@@ -91,6 +91,18 @@ _gtk_pixel_cache_set_extra_size (GtkPixelCache *cache,
 }
 
 void
+_gtk_pixel_cache_get_extra_size (GtkPixelCache *cache,
+                                 guint         *extra_width,
+                                 guint         *extra_height)
+{
+  if (extra_width)
+    *extra_width = cache->extra_width;
+
+  if (extra_height)
+    *extra_height = cache->extra_height;
+}
+
+void
 _gtk_pixel_cache_set_content (GtkPixelCache   *cache,
                              cairo_content_t  content)
 {
diff --git a/gtk/gtkpixelcacheprivate.h b/gtk/gtkpixelcacheprivate.h
index 79b60ce..69635b7 100644
--- a/gtk/gtkpixelcacheprivate.h
+++ b/gtk/gtkpixelcacheprivate.h
@@ -41,6 +41,9 @@ void           _gtk_pixel_cache_draw           (GtkPixelCache         *cache,
                                                 cairo_rectangle_int_t *canvas_rect,
                                                 GtkPixelCacheDrawFunc  draw,
                                                 gpointer               user_data);
+void           _gtk_pixel_cache_get_extra_size (GtkPixelCache         *cache,
+                                                guint                 *extra_width,
+                                                guint                 *extra_height);
 void           _gtk_pixel_cache_set_extra_size (GtkPixelCache         *cache,
                                                 guint                  extra_width,
                                                 guint                  extra_height);