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Java/flob/BoxedFlob.java

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+/*   
+BoxedFlob.java
+ *    
+ *    Copyright (c) 2001, Ted Nelson and Tuomas Lukka
+ *    Copyright (c) 2001, Benja Fallenstein
+ *
+ *    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, adapted by Benja Fallenstein
+ */
+
+package org.gzigzag;
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+
+/** A flob which gets rendered by FlobSet with a background.
+ *  XXX support for different shapes than rectangular?
+ *  XXX replace Colorer entirely by this?
+ *  XXX renderer must know whether background is transparent!
+ *  XXX move needsBox here and default to true?!? replace by instanceof Boxed?
+ */
+
+public class BoxedFlob extends Flob implements Colorer {
+public static final String rcsid = "$Id: BoxedFlob.java,v 1.1 2001/03/20 11:08:36 ajk 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); }
+
+// XXX need this?    boolean drawBorder = true;
+
+    public boolean needsBox() { return true; }
+
+    int nsolids = 0;
+    Color[] solids;
+    protected Color bg = Color.white;
+
+    public Object hit(int x0, int y0) {
+	if( x0 >= x && y0 >= y && x0 < x+w && y0 < y+h )
+	    return c;
+	return null;
+    }
+
+    public void setBg(Color c){ if( c != null ) bg = c; }
+
+    /** Adds one more solid color to be drawn inside
+     * the cell.
+     */
+    public boolean addColor(Color c) {
+	if(solids == null || nsolids >= solids.length) {
+	    Color[] n= new Color[nsolids + 10];
+	    if(solids != null) System.arraycopy(solids, 0, n, 0, nsolids);
+	    solids = n;
+	}
+	solids[nsolids++] = c;
+	return false;
+    }
+    /** The currently put solid colors.
+     * null = none. There may be null references near the end
+     * of the array. Mostly useful for checking for nullness.
+     */
+    public Color[] getSolidColors() { return solids; }
+
+    public BoxedFlob(int x, int y, int d, int w, int h, 
+	    ZZCell c) {
+	super(x, y, d, w, h, c);
+    }
+}
+
+