+struct _Drawing_t {
+ GtkWidget *drawing_area;
+ GdkPixmap *pixmap;
+ ControlFlowData *control_flow_data;
+
+ PangoLayout *pango_layout;
+
+ gint height, width, depth;
+
+};
+
+Drawing_t *drawing_construct(ControlFlowData *control_flow_data);
+void drawing_destroy(Drawing_t *Drawing);
+
+GtkWidget *drawing_get_widget(Drawing_t *Drawing);
+
+//void Drawing_Refresh ( Drawing_t *Drawing,
+// guint x, guint y,
+// guint width, guint height);
+
+void drawing_draw_line( Drawing_t *Drawing,
+ GdkPixmap *pixmap,
+ guint x1, guint y1,
+ guint x2, guint y2,
+ GdkGC *GC);