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Java/flob/VobSet.java

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+/*   
+VobSet.java
+ *    
+ *    Copyright (c) 2000, Ted Nelson and Tuomas Lukka
+ *
+ *    You may use and distribute under the terms of either the GNU Lesser
+ *    General Public License, either version 2 of the license or,
+ *    at your choice, any later version. Alternatively, you may use and
+ *    distribute under the terms of the XPL.
+ *
+ *    See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of 
+ *    the licenses.
+ *
+ *    This software is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the README
+ *    file for more details.
+ *
+ */
+/*
+ * Written by Tuomas Lukka
+ */
+package org.gzigzag;
+import java.util.*;
+import java.awt.*;
+
+/** A draft for a new interface to FlobSet.
+ * The point is that this interface can be implemented by several
+ * things and we can make dfferent views interact in interesting 
+ * ways.
+ * <p>
+ * A VobSet can be thought of as a window in some ways...
+ */
+
+abstract public class VobSet implements ZZScene {
+public static final String rcsid = "$Id: VobSet.java,v 1.1 2000/12/11 02:54:10 tjl Exp $";
+
+    public static final boolean dbg = true;
+    static final void p(String s) { if(dbg) System.out.println(s); }
+    static final void pa(String s) { System.out.println(s); }
+
+    abstract public Rectangle getBounds();
+    abstract public int getDepth();
+
+    // XXX Make it use ZZDrawing2D to get the bg paint.
+    abstract public Color getBackground();
+
+    abstract public void add(Renderable r);
+    abstract public void add(Flob f);
+
+    // ??? protected void depthColor(Graphics g, int depth) {
+
+    abstract public void dump();
+
+    /** A callback interface for iterating over the Flobs
+     * in a FlobSet in depth order.
+     */
+    public interface DepthIter {
+	void act(Flob[] flobs, int start, int n);
+    }
+
+    /** Iterate a routine over a blocks of same-depth flobs.
+     */
+    abstract public void iterDepth(DepthIter di, boolean frontFirst);
+
+
+	
+    // XXX Spanset?
+    // abstract public SpanFlob[] findFlobs(Span s);
+
+    // abstract public 
+
+}