Importing release version 322 from old repos

src/wsi/ra/chart2d/DPointIcon.java

@@ -0,0 +1,38 @@
+package wsi.ra.chart2d;
+
+/**
+ *  Filename: $RCSfile: DPointIcon.java,v $
+ *  Purpose:
+ *  Language: Java
+ *  Compiler: JDK 1.3
+ *  Authors:  Fabian Hennecke
+ *  Version:
+ *  Copyright (c) Dept. Computer Architecture, University of Tuebingen, Germany
+ */
+
+import java.awt.Graphics;
+/**
+ * A simple interface which can be used to paint certain icons at DPoints
+ * ( @see chart2d.DPoint.setIcon or chart2d.DPointSet.setIcon ).
+ * Different points may be easier recognized in a complex graph.
+ * The container does not guarantee that the whole icon is visible in the graph
+ * because the icon does not concern the DRectangle of the DElement.
+ */
+
+public interface DPointIcon {
+
+  /**
+   * this method has to be overridden to paint the icon. The point itself lies
+   * at coordinates (0, 0)
+   */
+  void paint( Graphics g );
+
+  /**
+   * the border which is necessary to be paint around the DPoint that the whole
+   * icon is visible
+   *
+   * @return the border
+   */
+  DBorder getDBorder();
+}
+