00001 /* $Id: pathgeom.h,v 1.2 2005/10/18 18:30:23 ellson Exp $ $Revision: 1.2 $ */ 00002 /* vim:set shiftwidth=4 ts=8: */ 00003 00004 /********************************************************** 00005 * This software is part of the graphviz package * 00006 * http://www.graphviz.org/ * 00007 * * 00008 * Copyright (c) 1994-2004 AT&T Corp. * 00009 * and is licensed under the * 00010 * Common Public License, Version 1.0 * 00011 * by AT&T Corp. * 00012 * * 00013 * Information and Software Systems Research * 00014 * AT&T Research, Florham Park NJ * 00015 **********************************************************/ 00016 00017 00018 #ifndef _PATHGEOM_INCLUDE 00019 #define _PATHGEOM_INCLUDE 00020 00021 #ifdef __cplusplus 00022 extern "C" { 00023 #endif 00024 00025 #ifdef HAVE_POINTF_S 00026 typedef struct pointf_s Ppoint_t; 00027 typedef struct pointf_s Pvector_t; 00028 #else 00029 typedef struct Pxy_t { 00030 double x, y; 00031 } Pxy_t; 00032 00033 typedef struct Pxy_t Ppoint_t; 00034 typedef struct Pxy_t Pvector_t; 00035 #endif 00036 00037 typedef struct Ppoly_t { 00038 Ppoint_t *ps; 00039 int pn; 00040 } Ppoly_t; 00041 00042 typedef Ppoly_t Ppolyline_t; 00043 00044 typedef struct Pedge_t { 00045 Ppoint_t a, b; 00046 } Pedge_t; 00047 00048 /* opaque state handle for visibility graph operations */ 00049 typedef struct vconfig_s vconfig_t; 00050 00051 #ifdef __cplusplus 00052 } 00053 #endif 00054 #endif