[gtk+/gtk-style-context] Add a boxed type for cairo_pattern_t.

[Carlos Garnacho <carlosg src gnome org>]

commit fbcfb83ec9028c03c70dbe38878be39e54064bb7
Author: Carlos Garnacho <carlosg gnome org>
Date:   Thu Sep 2 01:45:17 2010 +0200

    Add a boxed type for cairo_pattern_t.

 gdk/gdkcairo.c |    1 +
 gdk/gdkcairo.h |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gdk/gdkcairo.c b/gdk/gdkcairo.c
index c5ead4e..01ed311 100644
--- a/gdk/gdkcairo.c
+++ b/gdk/gdkcairo.c
@@ -21,6 +21,7 @@
 #include "gdkdrawable.h"
 #include "gdkinternals.h"
 
+G_DEFINE_BOXED_TYPE (cairo_pattern_t, gdk_cairo_pattern, cairo_pattern_reference, cairo_pattern_destroy)
 
 /**
  * gdk_cairo_create:
diff --git a/gdk/gdkcairo.h b/gdk/gdkcairo.h
index 4ecb037..c823e20 100644
--- a/gdk/gdkcairo.h
+++ b/gdk/gdkcairo.h
@@ -30,6 +30,10 @@
 
 G_BEGIN_DECLS
 
+#define GDK_TYPE_CAIRO_PATTERN (gdk_cairo_pattern_get_type ())
+
+GType    gdk_cairo_pattern_get_type  (void) G_GNUC_CONST;
+
 cairo_t *gdk_cairo_create            (GdkDrawable        *drawable);
 void     gdk_cairo_reset_clip        (cairo_t            *cr,
 				      GdkDrawable        *drawable);