Graphviz: lib/pathplan/pathutil.h Source File

Graphviz 2.31.20130618.0446
00001 /* $Id$ $Revision$ */
00002 /* vim:set shiftwidth=4 ts=8: */
00003 
00004 /*************************************************************************
00005  * Copyright (c) 2011 AT&T Intellectual Property 
00006  * All rights reserved. This program and the accompanying materials
00007  * are made available under the terms of the Eclipse Public License v1.0
00008  * which accompanies this distribution, and is available at
00009  * http://www.eclipse.org/legal/epl-v10.html
00010  *
00011  * Contributors: See CVS logs. Details at http://www.graphviz.org/
00012  *************************************************************************/
00013 
00014 
00015 
00016 #ifndef _PATHUTIL_INCLUDE
00017 #define _PATHUTIL_INCLUDE
00018 #define _BLD_pathplan 1
00019 
00020 #include "pathplan.h"
00021 
00022 #ifdef __cplusplus
00023 extern "C" {
00024 #endif
00025 
00026 #ifndef NOT
00027 #define NOT(x)  (!(x))
00028 #endif
00029 #ifndef FALSE
00030 #define FALSE   0
00031 #define TRUE    (NOT(FALSE))
00032 #endif
00033 
00034 /*visual studio*/
00035 #ifdef WIN32_DLL
00036 #ifndef PATHPLAN_EXPORTS
00037 #define extern __declspec(dllimport)
00038 #endif
00039 #endif
00040 /*end visual studio*/
00041         typedef double COORD;
00042     extern COORD area2(Ppoint_t, Ppoint_t, Ppoint_t);
00043     extern int wind(Ppoint_t a, Ppoint_t b, Ppoint_t c);
00044     extern COORD dist2(Ppoint_t, Ppoint_t);
00045     extern int intersect(Ppoint_t a, Ppoint_t b, Ppoint_t c, Ppoint_t d);
00046 
00047     int in_poly(Ppoly_t argpoly, Ppoint_t q);
00048     Ppoly_t copypoly(Ppoly_t);
00049     void freepoly(Ppoly_t);
00050 
00051 #undef extern
00052 #ifdef __cplusplus
00053 }
00054 #endif
00055 #endif