[Bprocessor-commit] model/src/net/sourceforge/bprocessor/model Edge.java, 1.73, 1.74

[rimestad <rim...@us...>]

Update of /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv20365/src/net/sourceforge/bprocessor/model

Modified Files:
	Edge.java 
Log Message:
Added extrusion of a contour to the edge class, havn't implemented the tool interaction yet

Index: Edge.java
===================================================================
RCS file: /cvsroot/bprocessor/model/src/net/sourceforge/bprocessor/model/Edge.java,v
retrieving revision 1.73
retrieving revision 1.74
diff -C2 -d -r1.73 -r1.74
*** Edge.java	16 Feb 2007 09:47:43 -0000	1.73
--- Edge.java	8 Mar 2007 12:07:28 -0000	1.74
***************
*** 949,952 ****
--- 949,995 ----
    
    /**
+    * Extrude a set of lines in a given direction, create the surfaces in between
+    * @param edges The edges to extrude
+    * @param direction the direction of the extrusion
+    * @return the generated surfaces during extrusion
+    */
+   public static Collection<Geometric> extrude(Set<Edge> edges, Vertex direction) {
+     Collection<Geometric> extrusion = new ArrayList<Geometric>();
+     if (edges == null || edges.isEmpty() || direction == null) {
+       return extrusion;
+     }
+     Map<Vertex, Vertex> vertexmap = new HashMap<Vertex, Vertex>();
+     Map<Vertex, Edge> sideMap = new HashMap<Vertex, Edge>();
+     Map<Edge, Edge> topMap = new HashMap<Edge, Edge>();
+     Set<Vertex> vertexes = Geometry.collect(edges);
+     
+     // generate new vertexes and edges to them
+     for (Vertex v : vertexes) {
+       Vertex newv = v.add(direction);
+       vertexmap.put(v, newv);
+       Edge newe = new Edge(v, newv);
+       sideMap.put(v, newe);
+     }
+     
+     // generate the displaces edges
+     for (Edge e : edges) {
+       Edge ecopy = new Edge(vertexmap.get(e.getFrom()), vertexmap.get(e.getTo()));
+       topMap.put(e, ecopy);
+     }
+     
+     // generate surfaces
+     for (Edge e : edges) {
+       ArrayList<Edge> surfaceedges = new ArrayList<Edge>(4);
+       surfaceedges.add(sideMap.get(e.getFrom()));
+       surfaceedges.add(topMap.get(e));
+       surfaceedges.add(sideMap.get(e.getTo()));
+       surfaceedges.add(e);
+       extrusion.add(new Surface(surfaceedges));
+     }
+     
+     return extrusion;
+   }
+   
+   /**
     * Find the common vertex of the two given edges, if there is one 
     * otherwise return null