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CU Amiga Super CD-ROM 15
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CU Amiga Magazine's Super CD-ROM 15 (1997)(EMAP Images)(GB)[!][issue 1997-10].iso
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Graphics
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Ghostscript
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gspath.h
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C/C++ Source or Header
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1996-07-07
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/* Copyright (C) 1989, 1995, 1996 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.
*/
/* gspath.h */
/* Client interface to path manipulation facilities */
/* Requires gsstate.h */
#include "gspenum.h"
/* Path constructors */
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)),
/*
* Because of an obscure bug in the IBM RS/6000 compiler, one (but not both)
* bool argument(s) for gs_arc_add must come before the floatp arguments.
*/
gs_arc_add(P8(gs_state *, bool, floatp, floatp, floatp, floatp, floatp, bool)),
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. */
int gs_upmergepath(P1(gs_state *));
/* Path accessors and transformers */
int gs_currentpoint(P2(const gs_state *, gs_point *)),
gs_upathbbox(P3(gs_state *, gs_rect *, bool)),
gs_dashpath(P1(gs_state *)),
gs_flattenpath(P1(gs_state *)),
gs_reversepath(P1(gs_state *)),
gs_strokepath(P1(gs_state *));
/* The extra argument for gs_upathbbox controls whether to include */
/* a trailing moveto in the bounding box. */
#define gs_pathbbox(pgs, prect)\
gs_upathbbox(pgs, prect, false)
/* Path enumeration */
/* This interface makes a copy of the path. */
gs_path_enum *
gs_path_enum_alloc(P2(gs_memory_t *, client_name_t));
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 */
int gs_clippath(P1(gs_state *)),
gs_initclip(P1(gs_state *)),
gs_clip(P1(gs_state *)),
gs_eoclip(P1(gs_state *));
int gs_setclipoutside(P2(gs_state *, bool));
bool gs_currentclipoutside(P1(const gs_state *));