/*--------------------------------*-C-*---------------------------------*
 * File:	graphics.h
 *
 *----------------------------------------------------------------------*/

#ifndef _GRAPHICS_H_
# define _GRAPHICS_H_
# include <X11/Xfuncproto.h>

# include "grx.h"		/* text alignment */

/*
 * number of graphics points
 * divisible by 2 (num lines)
 * divisible by 4 (num rect)
 */
# define	NGRX_PTS	1000

_XFUNCPROTOBEGIN

extern void Gr_ButtonReport(int, int, int);

extern void Gr_do_graphics (int /* cmd */,
			    int /* nargs */,
			    int /* args */[],
			    unsigned char * /* text */);

extern void Gr_scroll (int /* count */);

extern void Gr_ClearScreen (void);

extern void Gr_ChangeScreen (void);

extern void Gr_expose (Window /* win */);

extern void Gr_Resize (int /* w */,
		       int /* h */);

extern void Gr_reset (void);

extern int Gr_Displayed (void);

_XFUNCPROTOEND

# ifdef RXVT_GRAPHICS
#  define Gr_ButtonPress(x,y)	Gr_ButtonReport ('P',(x),(y))
#  define Gr_ButtonRelease(x,y)	Gr_ButtonReport ('R',(x),(y))
#  define GR_DISPLAY(x)		if (Gr_Displayed()) (x)
#  define GR_NO_DISPLAY(x)	if (!Gr_Displayed()) (x)
# else
#  define Gr_ButtonPress(x,y)	((void)0)
#  define Gr_ButtonRelease(x,y)	((void)0)
#  define Gr_scroll(count)	((void)0)
#  define Gr_ClearScreen()	((void)0)
#  define Gr_ChangeScreen()	((void)0)
#  define Gr_expose(win)	((void)0)
#  define Gr_Resize(w,h)	((void)0)
#  define Gr_reset()		((void)0)
#  define GR_DISPLAY(x)
#  define GR_NO_DISPLAY(x)	(x)
# endif
#endif	/* whole file */
/*----------------------- end-of-file (C header) -----------------------*/