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- /* Copyright (C) 1989, 1992 Aladdin Enterprises. All rights reserved.
-
- This file is part of Ghostscript.
-
- Ghostscript is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- to anyone for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing. Refer
- to the Ghostscript General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- Ghostscript, but only under the conditions described in the Ghostscript
- General Public License. A copy of this license is supposed to have been
- given to you along with Ghostscript so you can know your rights and
- responsibilities. It should be in a file named COPYING. Among other
- things, the copyright notice and this notice must be preserved on all
- copies. */
-
- /* gspath.h */
- /* Path manipulation interface for Ghostscript library */
- /* Requires gsstate.h */
-
- /* Path constructors */
- extern int gs_newpath(P1(gs_state *)),
- gs_moveto(P3(gs_state *, floatp, floatp)),
- gs_rmoveto(P3(gs_state *, floatp, floatp)),
- gs_lineto(P3(gs_state *, floatp, floatp)),
- gs_rlineto(P3(gs_state *, floatp, floatp)),
- gs_arc(P6(gs_state *, floatp, floatp, floatp, floatp, floatp)),
- gs_arcn(P6(gs_state *, floatp, floatp, floatp, floatp, floatp)),
- gs_arcto(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, float [4])),
- gs_curveto(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, floatp)),
- gs_rcurveto(P7(gs_state *, floatp, floatp, floatp, floatp, floatp, floatp)),
- gs_closepath(P1(gs_state *));
-
- /* Add the current path to the path in the previous graphics state. */
- extern int gs_upmergepath(P1(gs_state *));
-
- /* Path accessors and transformers */
- extern int gs_currentpoint(P2(const gs_state *, gs_point *)),
- gs_pathbbox(P2(gs_state *, gs_rect *)),
- gs_flattenpath(P1(gs_state *)),
- gs_reversepath(P1(gs_state *)),
- gs_strokepath(P1(gs_state *));
-
- /* Path enumeration */
- #define gs_pe_moveto 1
- #define gs_pe_lineto 2
- #define gs_pe_curveto 3
- #define gs_pe_closepath 4
- typedef struct gs_path_enum_s gs_path_enum;
- extern const uint gs_path_enum_sizeof;
- int gs_path_enum_init(P2(gs_path_enum *, const gs_state *));
- int gs_path_enum_next(P2(gs_path_enum *, gs_point [3])); /* 0 when done */
- void gs_path_enum_cleanup(P1(gs_path_enum *));
-
- /* Clipping */
- extern int gs_clippath(P1(gs_state *)),
- gs_initclip(P1(gs_state *)),
- gs_clip(P1(gs_state *)),
- gs_eoclip(P1(gs_state *));
-