src/libavoid/router.h

   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 */
  22
  23
  24 #ifndef AVOID_ROUTER_H
  25 #define AVOID_ROUTER_H
  26
  27 //#define LINEDEBUG
  28
  29 #include "libavoid/shape.h"
  30 #include "libavoid/graph.h"
  31 #include "libavoid/timer.h"
  32 #include <list>
  33 #include <utility>
  34 #ifdef LINEDEBUG
  35     #include <SDL.h>
  36 #endif
  37
  38
  39 namespace Avoid {
  40
  41 class ConnRef;
  42 typedef std::list<ConnRef *> ConnRefList;
  43 typedef std::list<unsigned int> IntList;
  44 typedef std::pair<ShapeRef *, Polygn *> MoveInfo;
  45
  46
  47 static const unsigned int runningTo = 1;
  48 static const unsigned int runningFrom = 2;
  49 static const unsigned int runningToAndFrom = runningTo | runningFrom;
  50
  51
  52 class Router {
  53     public:
  54         Router();
  55
  56         ShapeRefList shapeRefs;
  57         ConnRefList connRefs;
  58         EdgeList visGraph;
  59         EdgeList invisGraph;
  60         ContainsMap contains;
  61         VertInfList vertices;
  62
  63         bool PartialTime;
  64         double segmt_penalty;
  65         double angle_penalty;
  66
  67         bool UseAStarSearch;
  68         bool IgnoreRegions;
  69         bool SelectiveReroute;
  70         bool IncludeEndpoints;
  71         bool UseLeesAlgorithm;
  72         bool InvisibilityGrph;
  73         bool ConsolidateMoves;
  74         bool PartialFeedback;
  75
  76         // Instrumentation:
  77         Timer timers;
  78         int st_checked_edges;
  79 #ifdef LINEDEBUG
  80         SDL_Surface *avoid_screen;
  81 #endif
  82
  83         void addShape(ShapeRef *shape);
  84         void delShape(ShapeRef *shape);
  85         void moveShape(ShapeRef *shape, Polygn *newPoly,
  86                 const bool first_move = false);
  87
  88         void attachedConns(IntList &conns, const unsigned int shapeId,
  89                 const unsigned int type);
  90         void attachedShapes(IntList &shapes, const unsigned int shapeId,
  91                 const unsigned int type);
  92
  93         void markConnectors(ShapeRef *shape);
  94         void generateContains(VertInf *pt);
  95         void printInfo(void);
  96     private:
  97         void newBlockingShape(Polygn *poly, int pid);
  98         void checkAllBlockedEdges(int pid);
  99         void checkAllMissingEdges(void);
 100         void adjustContainsWithAdd(const Polygn& poly, const int p_shape);
 101         void adjustContainsWithDel(const int p_shape);
 102         void callbackAllInvalidConnectors(void);
 103 };
 104
 105 }
 106
 107
 108
 109 #endif