[gtk+/picture: 2/22] gdk: Make creating a surface from a pixbuf an intenral function

[Benjamin Otte <otte src gnome org>]

commit ad7ab0f781651c1f9d566ad1908df07a2da77aa4
Author: Benjamin Otte <otte redhat com>
Date:   Thu Feb 3 17:39:03 2011 +0100

    gdk: Make creating a surface from a pixbuf an intenral function

 gdk/gdkcairo.c     |   13 +++++++++++--
 gdk/gdkinternals.h |    2 ++
 2 files changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/gdk/gdkcairo.c b/gdk/gdkcairo.c
index 2ae8b09..c19296d 100644
--- a/gdk/gdkcairo.c
+++ b/gdk/gdkcairo.c
@@ -195,6 +195,16 @@ gdk_cairo_set_source_pixbuf (cairo_t         *cr,
                              gdouble          pixbuf_x,
                              gdouble          pixbuf_y)
 {
+  cairo_surface_t *surface;
+  
+  surface = _gdk_cairo_create_surface_for_pixbuf (pixbuf);
+  cairo_set_source_surface (cr, surface, pixbuf_x, pixbuf_y);
+  cairo_surface_destroy (surface);
+}
+
+cairo_surface_t *
+_gdk_cairo_create_surface_for_pixbuf (const GdkPixbuf *pixbuf)
+{
   gint width = gdk_pixbuf_get_width (pixbuf);
   gint height = gdk_pixbuf_get_height (pixbuf);
   guchar *gdk_pixels = gdk_pixbuf_get_pixels (pixbuf);
@@ -277,8 +287,7 @@ gdk_cairo_set_source_pixbuf (cairo_t         *cr,
       cairo_pixels += cairo_stride;
     }
 
-  cairo_set_source_surface (cr, surface, pixbuf_x, pixbuf_y);
-  cairo_surface_destroy (surface);
+  return surface;
 }
 
 /**
diff --git a/gdk/gdkinternals.h b/gdk/gdkinternals.h
index bb33e09..938c020 100644
--- a/gdk/gdkinternals.h
+++ b/gdk/gdkinternals.h
@@ -285,6 +285,8 @@ void gdk_synthesize_window_state (GdkWindow     *window,
 gboolean _gdk_cairo_surface_extents (cairo_surface_t *surface,
                                      GdkRectangle *extents);
 
+cairo_surface_t *_gdk_cairo_create_surface_for_pixbuf (const GdkPixbuf *pixbuf);
+
 /*************************************
  * Interfaces used by windowing code *
  *************************************/