From 0cf189f9ab1ac334b55e9059ad3905bed9edffc6 Mon Sep 17 00:00:00 2001
From: "Arcadie M. Cracan" <acracan@gmail.com>
Date: Wed, 2 Dec 2009 22:26:44 +0200
Subject: Merge GSoC2009 Connectors into trunk

(bzr r8855)
---
 src/libavoid/vertices.h | 59 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 44 insertions(+), 15 deletions(-)

(limited to 'src/libavoid/vertices.h')

diff --git a/src/libavoid/vertices.h b/src/libavoid/vertices.h
index 1b0dcf3aa..b07c87f95 100644
--- a/src/libavoid/vertices.h
+++ b/src/libavoid/vertices.h
@@ -2,24 +2,27 @@
  * vim: ts=4 sw=4 et tw=0 wm=0
  *
  * libavoid - Fast, Incremental, Object-avoiding Line Router
- * Copyright (C) 2004-2006  Michael Wybrow <mjwybrow@users.sourceforge.net>
+ *
+ * Copyright (C) 2004-2009  Monash University
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
+ * See the file LICENSE.LGPL distributed with the library.
+ *
+ * Licensees holding a valid commercial license may use this file in
+ * accordance with the commercial license agreement provided with the 
+ * library.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
  *
+ * Author(s):   Michael Wybrow <mjwybrow@users.sourceforge.net>
 */
 
+
 #ifndef AVOID_VERTICES_H
 #define AVOID_VERTICES_H
 
@@ -28,6 +31,7 @@
 #include <map>
 #include <iostream>
 #include <cstdio>
+
 #include "libavoid/geomtypes.h"
 
 namespace Avoid {
@@ -37,16 +41,18 @@ class Router;
 
 typedef std::list<EdgeInf *> EdgeInfList;
 
+typedef unsigned int ConnDirFlags;
+
 
 class VertID
 {
     public:
         unsigned int objID;
         bool isShape;
-        int vn;
+        unsigned short vn;
 
-        static const int src;
-        static const int tar;
+        static const unsigned short src;
+        static const unsigned short tar;
 
         VertID();
         VertID(unsigned int id, bool s, int n);
@@ -64,12 +70,23 @@ class VertID
 };
 
 
+// An ID given to all dummy vertices inserted to allow creation of the
+// orthogonal visibility graph since the vertices in the orthogonal graph 
+// mostly do not correspond to shape corners or connector endpoints.
+//
+static const VertID dummyOrthogID(0, true, 0);
+
+
 class VertInf
 {
     public:
-        VertInf(Router *router, const VertID& vid, const Point& vpoint);
+        VertInf(Router *router, const VertID& vid, const Point& vpoint,
+                const bool addToRouter = true);
+        ~VertInf();
+        void Reset(const VertID& vid, const Point& vpoint);
         void Reset(const Point& vpoint);
         void removeFromGraph(const bool isConnVert = true);
+        bool orphaned(void);
 
         Router *_router;
         VertID id;
@@ -80,28 +97,40 @@ class VertInf
         VertInf *shNext;
         EdgeInfList visList;
         unsigned int visListSize;
+        EdgeInfList orthogVisList;
+        unsigned int orthogVisListSize;
         EdgeInfList invisList;
         unsigned int invisListSize;
         VertInf *pathNext;
-        double pathDist;
+        ConnDirFlags visDirections;
 };
 
 
 bool directVis(VertInf *src, VertInf *dst);
 
 
+// A linked list of all the vertices in the router instance.  All the 
+// connector endpoints are listed first, then all the shape vertices.
+// Dunnny vertices inserted for orthogonal routing are classed as shape
+// vertices but have VertID(0, 0).
+//
 class VertInfList
 {
     public:
         VertInfList();
         void addVertex(VertInf *vert);
-        void removeVertex(VertInf *vert);
+        VertInf *removeVertex(VertInf *vert);
+        VertInf *getVertexByID(const VertID& id);
+        VertInf *getVertexByPos(const Point& p);
         VertInf *shapesBegin(void);
         VertInf *connsBegin(void);
         VertInf *end(void);
-        void stats(void)
+        unsigned int connsSize(void) const;
+        unsigned int shapesSize(void) const;
+        void stats(FILE *fp = stderr)
         {
-            printf("Conns %d, shapes %d\n", _connVertices, _shapeVertices);
+            fprintf(fp, "Conns %d, shapes %d\n", _connVertices, 
+                    _shapeVertices);
         }
     private:
         VertInf *_firstShapeVert;
-- 
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