1 /*
2 * vim: ts=4 sw=4 et tw=0 wm=0
3 *
4 * libavoid - Fast, Incremental, Object-avoiding Line Router
5 * Copyright (C) 2004-2006 Michael Wybrow <mjwybrow@users.sourceforge.net>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
23 #ifndef AVOID_CONNECTOR_H
24 #define AVOID_CONNECTOR_H
26 #include "libavoid/router.h"
27 #include "libavoid/geometry.h"
28 #include "libavoid/shape.h"
29 #include <list>
32 namespace Avoid {
35 static const int ConnType_PolyLine = 1;
36 static const int ConnType_Orthogonal = 2;
39 class ConnRef
40 {
41 public:
42 ConnRef(Router *router, const unsigned int id);
43 ConnRef(Router *router, const unsigned int id,
44 const Point& src, const Point& dst);
45 ~ConnRef();
47 void setType(unsigned int type);
48 PolyLine& route(void);
49 bool needsReroute(void);
50 void freeRoute(void);
51 void calcRouteDist(void);
52 void updateEndPoint(const unsigned int type, const Point& point);
53 void setEndPointId(const unsigned int type, const unsigned int id);
54 void makeActive(void);
55 void makeInactive(void);
56 void lateSetup(const Point& src, const Point& dst);
57 VertInf *src(void);
58 VertInf *dst(void);
59 void removeFromGraph(void);
60 bool isInitialised(void);
61 void unInitialise(void);
62 void setCallback(void (*cb)(void *), void *ptr);
63 void handleInvalid(void);
64 int generatePath(Point p0, Point p1);
65 void makePathInvalid(void);
66 Router *router(void);
68 friend void Router::attachedShapes(IntList &shapes,
69 const unsigned int shapeId, const unsigned int type);
70 friend void Router::attachedConns(IntList &conns,
71 const unsigned int shapeId, const unsigned int type);
72 friend void Router::markConnectors(ShapeRef *shape);
74 private:
75 Router *_router;
76 unsigned int _id;
77 unsigned int _type;
78 unsigned int _srcId, _dstId;
79 bool _needs_reroute_flag;
80 bool _false_path;
81 bool _active;
82 PolyLine _route;
83 double _route_dist;
84 ConnRefList::iterator _pos;
85 VertInf *_srcVert;
86 VertInf *_dstVert;
87 bool _initialised;
88 void (*_callback)(void *);
89 void *_connector;
90 };
93 }
96 #endif