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PlantUML is a component that allows to quickly write :
* sequence diagram,
* use case diagram,
* class diagram,
* activity diagram,
* component diagram,
* state diagram
* object diagram
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML 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 GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 6533 $
*
*/
package net.sourceforge.plantuml.swing;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.Toolkit;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import net.sourceforge.plantuml.Log;
import net.sourceforge.plantuml.ugraphic.SpriteGrayLevel;
import net.sourceforge.plantuml.ugraphic.SpriteUtils;
import net.sourceforge.plantuml.version.PSystemVersion;
public class SpriteWindow extends JFrame {
// private final JButton encode = new JButton("Encode");
private final JTextArea area = new JTextArea();
public SpriteWindow() {
super("SpriteWindows");
setIconImage(PSystemVersion.getPlantumlSmallIcon2());
// encode.addActionListener(new ActionListener() {
// public void actionPerformed(ActionEvent ae) {
// encode();
// }
// });
area.setFont(new Font("Courier", Font.PLAIN, 14));
area.setText("Copy an image to the clipboard.\nIt will be converted inside this window.\n");
final JScrollPane scroll = new JScrollPane(area);
// getContentPane().add(encode, BorderLayout.SOUTH);
getContentPane().add(scroll, BorderLayout.CENTER);
setSize(400, 320);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
startTimer();
}
private void startTimer() {
Log.info("Init done");
final Timer timer = new Timer(10000, new ActionListener() {
public void actionPerformed(ActionEvent e) {
tick();
}
});
timer.setInitialDelay(0);
timer.start();
Log.info("Timer started");
}
private void tick() {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
encode();
}
});
}
private void encode() {
final BufferedImage img = getClipboard();
if (img == null) {
return;
}
final StringBuilder sb = new StringBuilder();
encode(img, SpriteGrayLevel.GRAY_16, sb);
encodeCompressed(img, SpriteGrayLevel.GRAY_16, sb);
encode(img, SpriteGrayLevel.GRAY_8, sb);
encodeCompressed(img, SpriteGrayLevel.GRAY_8, sb);
encode(img, SpriteGrayLevel.GRAY_4, sb);
encodeCompressed(img, SpriteGrayLevel.GRAY_4, sb);
printData(sb.toString());
}
private void encodeCompressed(BufferedImage img, SpriteGrayLevel level, StringBuilder sb) {
sb.append("\n");
sb.append(SpriteUtils.encodeCompressed(img, "demo", level));
}
private void encode(BufferedImage img, SpriteGrayLevel level, StringBuilder sb) {
sb.append("\n");
sb.append(SpriteUtils.encode(img, "demo", level));
}
private String last;
private void printData(final String s) {
if (s.equals(last) == false) {
area.setText(s);
last = s;
}
}
public static BufferedImage getClipboard() {
final Transferable t = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
try {
if (t != null && t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
final BufferedImage text = (BufferedImage) t.getTransferData(DataFlavor.imageFlavor);
return text;
}
} catch (UnsupportedFlavorException e) {
Log.error(e.toString());
} catch (IOException e) {
Log.error(e.toString());
}
return null;
}
public static void main(String[] args) {
new SpriteWindow();
}
}