-extern uint32_t jwxyz_alloc_color (Display *dpy, uint16_t r, uint16_t g,
- uint16_t b, uint16_t a);
-extern void jwxyz_query_color (Display *dpy, unsigned long pixel,
- uint8_t *rgba);
-extern unsigned long jwxyz_window_background (Display *);
-extern int jwxyz_draw_arc (Display *dpy, Drawable d, GC gc, int x, int y,
- unsigned int width, unsigned int height,
- int angle1, int angle2, Bool fill_p);
-extern void jwxyz_fill_rects (Display *dpy, Drawable d, GC gc,
- const XRectangle *rectangles,
- unsigned long nrects,
- unsigned long pixel);
-extern XGCValues *jwxyz_gc_gcv (GC gc);
-extern unsigned int jwxyz_gc_depth (GC gc);
-extern int jwxyz_draw_string (Display *dpy, Drawable d, GC gc, int x, int y,
- const char *str, size_t len, Bool utf8);