/// <summary> /// Sets the fixed source or target terminal point on the given edge. /// </summary> /// <param name="edge">State whose terminal point should be updated.</param> /// <param name="terminal">State which represents the actual terminal.</param> /// <param name="source">Boolean that specifies if the terminal is the source.</param> /// <param name="constraint">Constraint that specifies the connection.</param> public void UpdateFixedTerminalPoint(mxCellState edge, mxCellState terminal, bool source, mxConnectionConstraint constraint) { mxPoint pt = null; if (constraint != null) { pt = graph.GetConnectionPoint(terminal, constraint); } if (pt == null && terminal == null) { mxPoint orig = edge.Origin; mxGeometry geo = graph.GetCellGeometry(edge.Cell); pt = geo.GetTerminalPoint(source); if (pt != null) { pt = new mxPoint(scale * (translate.X + pt.X + orig.X), scale * (translate.Y + pt.Y + orig.Y)); } } edge.SetAbsoluteTerminalPoint(pt, source); }
/// <summary> /// Returns the nearest point in the list of absolute points or the center /// of the opposite terminal. /// </summary> /// <param name="vertex">Cell state that represents the vertex.</param> /// <param name="constraint">Connection constraint that represents the connection /// point constraint as returned by getConnectionConstraint.</param> public mxPoint GetConnectionPoint(mxCellState vertex, mxConnectionConstraint constraint) { mxPoint point = null; if (vertex != null && constraint.Point != null) { point = new mxPoint(vertex.X + constraint.Point.X * vertex.Width, vertex.Y + constraint.Point.Y * vertex.Height); } if (point != null && constraint.Perimeter) { point = View.GetPerimeterPoint(vertex, point, false); } return point; }
/// <summary> /// Sets the fixed source or target terminal point on the given edge. /// </summary> /// <param name="edge">State whose terminal point should be updated.</param> /// <param name="terminal">State which represents the actual terminal.</param> /// <param name="source">Boolean that specifies if the terminal is the source.</param> /// <param name="constraint">Constraint that specifies the connection.</param> public void UpdateFixedTerminalPoint(mxCellState edge, mxCellState terminal, bool source, mxConnectionConstraint constraint) { mxPoint pt = null; if (constraint != null) { pt = graph.GetConnectionPoint(terminal, constraint); } if (pt == null && terminal == null) { mxPoint orig = edge.Origin; mxGeometry geo = graph.GetCellGeometry(edge.Cell); pt = geo.GetTerminalPoint(source); if (pt != null) { pt = new mxPoint(scale * (translate.X + pt.X + orig.X), scale * (translate.Y + pt.Y + orig.Y)); } } edge.SetAbsoluteTerminalPoint(pt, source); }