/* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises.  All rights reserved.
  
  This file is part of Aladdin Ghostscript.
  
  Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND.  No author
  or distributor accepts any responsibility for the consequences of using it,
  or for whether it serves any particular purpose or works at all, unless he
  or she says so in writing.  Refer to the Aladdin Ghostscript Free Public
  License (the "License") for full details.
  
  Every copy of Aladdin Ghostscript must include a copy of the License,
  normally in a plain ASCII text file named PUBLIC.  The License grants you
  the right to copy, modify and redistribute Aladdin Ghostscript, but only
  under certain conditions described in the License.  Among other things, the
  License requires that the copyright notice and this notice be preserved on
  all copies.
*/

/* gsstate.h */
/* Public graphics state API */

#ifndef gsstate_INCLUDED
#  define gsstate_INCLUDED

/* Opaque type for a graphics state */
#ifndef gs_state_DEFINED
#  define gs_state_DEFINED
typedef struct gs_state_s gs_state;
#endif

/* Initial allocation and freeing */
gs_state *gs_state_alloc(P1(gs_memory_t *)); /* 0 if fails */
int gs_state_free(P1(gs_state *));

/* Initialization, saving, restoring, and copying */
int	gs_gsave(P1(gs_state *)),
	gs_grestore(P1(gs_state *)),
	gs_grestoreall(P1(gs_state *));
int	gs_gsave_for_save(P2(gs_state *, gs_state **)),
	gs_grestore2_for_restore(P2(gs_state *, gs_state *));
gs_state *gs_gstate(P1(gs_state *));
gs_state *gs_state_copy(P2(gs_state *, gs_memory_t *));
int	gs_copygstate(P2(gs_state * /*to*/, const gs_state * /*from*/)),
	gs_currentgstate(P2(gs_state * /*to*/, const gs_state * /*from*/)),
	gs_setgstate(P2(gs_state * /*to*/, const gs_state * /*from*/));
int	gs_initgraphics(P1(gs_state *));

/* Device control */
#include "gsdevice.h"

/* Line parameters and quality */
#include "gsline.h"

/* Color and gray */
#include "gscolor.h"

/* Halftone screen */
#include "gsht.h"
#include "gscsel.h"
int	gs_setscreenphase(P4(gs_state *, int, int, gs_color_select_t));
int	gs_currentscreenphase(P3(const gs_state *, gs_int_point *,
				 gs_color_select_t));
#define gs_sethalftonephase(pgs, px, py)\
  gs_setscreenphase(pgs, px, py, gs_color_select_all)
#define gs_currenthalftonephase(pgs, ppt)\
  gs_currentscreenphase(pgs, ppt, 0)
int	gx_imager_setscreenphase(P4(gs_imager_state *, int, int,
				    gs_color_select_t));

/* Miscellaneous */
int	gs_setfilladjust(P3(gs_state *, floatp, floatp));
int	gs_currentfilladjust(P2(const gs_state *, gs_point *));
void	gs_setlimitclamp(P2(gs_state *, bool));
bool	gs_currentlimitclamp(P1(const gs_state *));

#endif					/* gsstate_INCLUDED */
