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1   package de.fzi.wim.guibase.graphview.view;
2   
3   import java.awt.Graphics2D;
4   import java.awt.Point;
5   import java.awt.Rectangle;
6   
7   import de.fzi.wim.guibase.graphview.graph.*;
8   
9   /***
10   * The painter for the edge.
11   */
12  public interface EdgePainter {
13      /***
14       * Paints the supplied edge.
15       *
16       * @param graphPane             the graph pane
17       * @param g                     the graphics
18       * @param edge                  the edge to paint
19       */
20      void paintEdge(JGraphPane graphPane,Graphics2D g,Edge edge);
21      /***
22       * Returns the distance of the point to the edge.
23       *
24       * @param graphPane             the graph pane
25       * @param edge                  the edge
26       * @param point                 the point
27       * @return                      the distance of the point from the edge
28       */
29      double screenDistanceFromEdge(JGraphPane graphPane,Edge edge,Point point);
30      /***
31       * Returns the outer rectangle of the edge on screen.
32       *
33       * @param graphPane             the graph pane
34       * @param edge                  the edge
35       * @param edgeScreenRectangle   the rectangle receiving the edge's coordinates
36       */
37      void getEdgeScreenBounds(JGraphPane graphPane,Edge edge,Rectangle edgeScreenRectangle);
38  }