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- /* 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 *));
- 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 */
-