+void _gdk_x11_convert_to_format (guchar *src_buf,
+ gint src_rowstride,
+ guchar *dest_buf,
+ gint dest_rowstride,
+ GdkX11FormatType dest_format,
+ GdkByteOrder dest_byteorder,
+ gint width,
+ gint height);
+
+/* Note that the following take GdkDrawableImplX11, not the wrapper drawable */
+void _gdk_x11_drawable_finish (GdkDrawable *drawable);
+void _gdk_x11_drawable_update_size (GdkDrawable *drawable);
+
+G_END_DECLS