-#define GNOME_CANVAS_TYPE_CANVAS_SIMPLELINE (gnome_canvas_simpleline_get_type ())
-#define GNOME_CANVAS_SIMPLELINE(obj) (GTK_CHECK_CAST ((obj), GNOME_CANVAS_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLine))
-#define GNOME_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GNOME_CANVAS_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))
-#define GNOME_CANVAS_IS_CANVAS_SIMPLELINE(obj) (GTK_CHECK_TYPE ((obj), GNOME_CANVAS_TYPE_CANVAS_SIMPLELINE))
-#define GNOME_CANVAS_IS_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_CANVAS_TYPE_CANVAS_SIMPLELINE))
+#define GNOME_TYPE_CANVAS_SIMPLELINE (gnome_canvas_simpleline_get_type ())
+#define GNOME_CANVAS_SIMPLELINE(obj) (GTK_CHECK_CAST ((obj), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLine))
+#define GNOME_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))
+#define GNOME_IS_CANVAS_SIMPLELINE(obj) (GTK_CHECK_TYPE ((obj), GNOME_TYPE_CANVAS_SIMPLELINE))
+#define GNOME_IS_CANVAS_SIMPLELINE_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GNOME_TYPE_CANVAS_SIMPLELINE))
+#define GNOME_CANVAS_SIMPLELINE_GET_CLASS(obj) (GTK_CHECK_GET_CLASS ((obj), GNOME_TYPE_CANVAS_SIMPLELINE, GnomeCanvasSimpleLineClass))