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/* Copyright (C) 1989, 1995, 1996, 1997, 1998, 1999 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: gsstate.h,v 1.9 2003/06/16 15:04:50 igor Exp $ */
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/* Public graphics state API */
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#ifndef gsstate_INCLUDED
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# define gsstate_INCLUDED
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/* Opaque type for a graphics state */
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#ifndef gs_state_DEFINED
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# define gs_state_DEFINED
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typedef struct gs_state_s gs_state;
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#endif
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/* opague type for overprint compositor parameters */
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#ifndef gs_overprint_params_t_DEFINED
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# define gs_overprint_params_t_DEFINED
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typedef struct gs_overprint_params_s gs_overprint_params_t;
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#endif
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/* Initial allocation and freeing */
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gs_state *gs_state_alloc(gs_memory_t *); /* 0 if fails */
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int gs_state_free(gs_state *);
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/* Initialization, saving, restoring, and copying */
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int gs_gsave(gs_state *), gs_grestore(gs_state *), gs_grestoreall(gs_state *);
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int gs_grestore_only(gs_state *);
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int gs_gsave_for_save(gs_state *, gs_state **), gs_grestoreall_for_restore(gs_state *, gs_state *);
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gs_state *gs_gstate(gs_state *);
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gs_state *gs_state_copy(gs_state *, gs_memory_t *);
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int gs_copygstate(gs_state * /*to */ , const gs_state * /*from */ ),
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gs_currentgstate(gs_state * /*to */ , const gs_state * /*from */ ),
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gs_setgstate(gs_state * /*to */ , const gs_state * /*from */ );
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int gs_state_update_overprint(gs_state *, const gs_overprint_params_t *);
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bool gs_currentoverprint(const gs_state *);
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void gs_setoverprint(gs_state *, bool);
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int gs_currentoverprintmode(const gs_state *);
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int gs_setoverprintmode(gs_state *, int);
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int gs_do_set_overprint(gs_state *);
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int gs_initgraphics(gs_state *);
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/* Device control */
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#include "gsdevice.h"
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/* Line parameters and quality */
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#include "gsline.h"
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/* Color and gray */
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#include "gscolor.h"
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/* Halftone screen */
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#include "gsht.h"
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#include "gscsel.h"
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int gs_setscreenphase(gs_state *, int, int, gs_color_select_t);
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int gs_currentscreenphase(const gs_state *, gs_int_point *, gs_color_select_t);
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#define gs_sethalftonephase(pgs, px, py)\
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gs_setscreenphase(pgs, px, py, gs_color_select_all)
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#define gs_currenthalftonephase(pgs, ppt)\
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gs_currentscreenphase(pgs, ppt, 0)
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int gx_imager_setscreenphase(gs_imager_state *, int, int, gs_color_select_t);
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/* Miscellaneous */
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int gs_setfilladjust(gs_state *, floatp, floatp);
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int gs_currentfilladjust(const gs_state *, gs_point *);
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void gs_setlimitclamp(gs_state *, bool);
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bool gs_currentlimitclamp(const gs_state *);
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void gs_settextrenderingmode(gs_state * pgs, uint trm);
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uint gs_currenttextrenderingmode(const gs_state * pgs);
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#include "gscpm.h"
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gs_in_cache_device_t gs_incachedevice(const gs_state *);
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#endif /* gsstate_INCLUDED */
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