#include <X11/Intrinsic.h>


/* display.c */
void init_display  (Widget toplevel, Widget picturewindow, int hsize,
		    int vsize);
void finish_display  (void);
void Redisplay(Widget w, XtPointer client, XEvent *ev, Boolean *);
void display_image(Bool send_event);
void render_image(u_char *ydata, u_char *udata, u_char *vdata,
		  int hsize, int vsize);