103 lines
2.8 KiB
Java
103 lines
2.8 KiB
Java
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/*
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image.java
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*
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* Copyright (c) 2000-2001, Ted Nelson and Tuomas Lukka
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*
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* You may use and distribute under the terms of either the GNU Lesser
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* General Public License, either version 2 of the license or,
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* at your choice, any later version. Alternatively, you may use and
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* distribute under the terms of the XPL.
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*
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* See the LICENSE.lgpl and LICENSE.xpl files for the specific terms of
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* the licenses.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the README
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* file for more details.
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*
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*/
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/*
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* Written by Tero M<EFBFBD>yr<EFBFBD>nen
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*/
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package org.gzigzag.module.multimedia;
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import org.gzigzag.*;
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import java.awt.*;
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import java.awt.image.*;
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import java.util.*;
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import java.net.*;
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/** Image mediazob.
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* Images can be read from a different place by setting the property images.from,
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* like
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* java -Dimages.from=img:///=file:///home/antkaij/cvs/gzigzag-demo/Java/demospace-lomat.2.zz/ org.gzigzag.Main demospace-lomat.2.zz
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*/
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public class image extends MediaZOb
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{
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public static final String rcsid = "$Id: image.java,v 1.7 2001/02/28 05:16:55 tjl Exp $";
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public static boolean dbg = false;
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private static void p(String s) { if(dbg) ZZLogger.log(s); }
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private static void pa(String s) { ZZLogger.log(s); }
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private static Hashtable convert = null;
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private Pixels pix = null;
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private static String doConvert(String str) {
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if (convert == null) {
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convert = new Hashtable();
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String prop = null;
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try {
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prop = System.getProperty("images.from");
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} catch(Throwable t) {}
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if (prop != null) {
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StringTokenizer tok = new StringTokenizer(prop, ";=");
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while (tok.hasMoreTokens()) {
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String a = tok.nextToken();
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String b = tok.nextToken();
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p(""+a+" => "+b);
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convert.put(a, b);
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}
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}
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}
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for(Enumeration e = convert.keys(); e.hasMoreElements(); ) {
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String from = (String)e.nextElement();
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p(""+str+"; "+from);
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if (!str.startsWith(from)) continue;
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String to = (String)convert.get(from);
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p(""+str+" => "+to + str.substring(from.length()));
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str = to + str.substring(from.length());
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return str;
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}
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p("Not converted: "+str);
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return str;
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}
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public Pixels getPixels()
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{
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if (pix == null)
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{
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try
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{
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URL imgURL = new URL(doConvert(getText("")));
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p("URL: "+imgURL);
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Image img = Toolkit.getDefaultToolkit().getImage(imgURL);
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int w = img.getWidth(null);
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int count = 2000000;
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while ((w < 0) && (count-- > 0)) w = img.getWidth(null);
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int h = img.getHeight(null);
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pix = new Pixels(w, h);
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PixelGrabber pg = new PixelGrabber(img, 0, 0, w, h, pix.getPixels(), 0, w);
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pg.grabPixels();
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}
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catch (Exception e) {}
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}
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return pix;
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}
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}
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// Local variables:
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// tab-width: 4
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// End:
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