/** Build a shape for the entire subtree by joining together the shapes for each of its edges. */ public Shape constructFullTextShape(DiagramBase diagram) { GeneralPath shape = new GeneralPath(); Enumeration edges = m_edgeList.elements(); while (edges.hasMoreElements()) { TreeEdge edge = (TreeEdge) edges.nextElement(); if (!edge.visible) { continue; } Shape edgeShape = edge.getSchemeShape(diagram); PathIterator path = edgeShape.getPathIterator(null); shape.append(path, false); TreeVertex vertex = edge.getSourceVertex(); if (!vertex.isVirtual()) { shape.append(vertex.getShape(diagram).getPathIterator(null), false); } vertex = edge.getDestVertex(); if (!vertex.isVirtual()) { shape.append(vertex.getShape(diagram).getPathIterator(null), false); } } BasicStroke stroke = new BasicStroke(20, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER); shapeTable.put(diagram, stroke.createStrokedShape(shape)); return (Shape) shapeTable.get(diagram); }