com.jadice.barcode.ui.BarcodeTest Maven / Gradle / Ivy
/**
* jadice barcode engine - a Java-based barcode decoding engine
*
* Copyright (C) 1995-${year} levigo holding gmbh. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or modify it under the terms of the
* GNU Lesser General Public License as published by the Free Software Foundation; either version
* 2.1 of the License, or (at your option) any later version.
*
* This library 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 GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this library;
* if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Contact: [email protected]
*/
package com.jadice.barcode.ui;
/*
* Copyright (c) 2003-2004 levigo holding gmbh. All Rights Reserved.
*
* This software is the proprietary information of levigo holding gmbh Use is subject to license
* terms.
*/
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Insets;
import java.awt.MediaTracker;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ConcurrentModificationException;
import java.util.List;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import javax.imageio.ImageIO;
import javax.swing.AbstractAction;
import javax.swing.Box;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;
import javax.swing.SwingWorker;
import javax.swing.SwingWorker.StateValue;
import javax.swing.filechooser.FileFilter;
import com.jadice.barcode.BaseSettings;
import com.jadice.barcode.Detector;
import com.jadice.barcode.DiagnosticSettings;
import com.jadice.barcode.DiagnosticSettings.TransientMarkerListener;
import com.jadice.barcode.Options;
import com.jadice.barcode.Result;
import com.jadice.barcode.grid.BinaryGrid;
import com.jadice.barcode.j2d.BufferedImageLuminanceSource;
import com.jadice.barcode.j2d.Java2DUtils;
/**
* A simple GUI that allows barcode testing. In contrast to ViewerBarcodeDemo this GUI
* is independent of the jadice viewer.
*
*/
public class BarcodeTest extends JFrame {
public static void main(String[] args) throws FileNotFoundException, IOException {
System.setProperty("com.levigo.internal.omit.watermark", "true");
new BarcodeTest("../engine/src/test/resources");
}
private static final long serialVersionUID = 1L;
File baseDir = new File(".");
private final JScrollPane imagePane;
BufferedImage image;
ResultPane resultPane;
Options options = new Options();
DebugAnnotationSelector debugAnnotationSelector;
private DefaultComboBoxModel imageSelection;
int zoomFactor = 100;
private JCheckBox binarizedImageBox;
private SwingWorker, Object> decodeWorker;
private JTextField zoomField;
private final JLabel coordinateLabel;
/**
* This layer is painted on top of the image and marks detected areas.
*/
class ResultPane extends JComponent implements TransientMarkerListener {
private static final long serialVersionUID = 1L;
private final BufferedImage image;
private BufferedImage binaryImage;
private List results;
private DiagnosticSettings diagSettings;
ResultPane(BufferedImage image) {
this.image = image;
setOpaque(false);
updateZoom();
}
/*
* @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
*/
@Override
protected void paintComponent(Graphics g) {
final Graphics2D g2 = (Graphics2D) g;
g2.scale(zoomFactor / 100d, zoomFactor / 100d);
g2.drawImage(image, null, 0, 0);
if (null != binaryImage)
g2.drawImage(binaryImage, null, 0, 0);
try {
if (null != diagSettings) {
Java2DUtils.paintDebugMarkers(g2, diagSettings.getDebugMarkers(),
debugAnnotationSelector.getEnabledDebugMarkers());
Java2DUtils.paintDebugMarkers(g2, diagSettings.getTransientMarkers(),
debugAnnotationSelector.getEnabledDebugMarkers());
}
if (null != results) {
Java2DUtils.paintCodeMarkers(g2, results);
}
} catch (ConcurrentModificationException e) {
// just re-try
repaint();
}
}
/*
* (non-Javadoc)
*
* @see com.levigo.barcode.DetectionResultAcceptor#setResults(java.awt.image. BufferedImage,
* com.levigo.barcode.DetectionResult[])
*/
public void setResults(List list) {
this.results = list;
repaint();
}
/*
* (non-Javadoc)
*
* @see com.levigo.barcode.DetectionResultAcceptor#setResults(java.awt.image. BufferedImage,
* com.levigo.barcode.DetectionResult[])
*/
public void setDiagSettings(DiagnosticSettings diagSettings) {
this.diagSettings = diagSettings;
diagSettings.addTransientMarkerListener(this);
repaint();
}
/*
* (non-Javadoc)
*
* @see com.levigo.barcode.DetectionResultAcceptor#setImageResolution(int)
*/
public void setImageResolution(int imageResolution) {
// not used here.
}
/**
* @param i
*/
public void updateZoom() {
setPreferredSize(new Dimension(image.getWidth() * zoomFactor / 100, image.getHeight() * zoomFactor / 100));
revalidate();
repaint();
}
public BufferedImage getBinaryImage() {
return binaryImage;
}
public void setBinaryImage(BufferedImage binaryImage) {
this.binaryImage = binaryImage;
}
@Override
public void markersChanged() {
repaint();
}
}
private BarcodeTest(String name) {
setDefaultCloseOperation(EXIT_ON_CLOSE);
baseDir = new File(name);
// where to paint the image
imagePane = new JScrollPane();
imagePane.setPreferredSize(new Dimension(500, 500));
getContentPane().add(imagePane, BorderLayout.CENTER);
// file selector
getContentPane().add(createFileSelector(), BorderLayout.NORTH);
getContentPane().add(new JScrollPane(createOptionPane(), JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
JScrollPane.HORIZONTAL_SCROLLBAR_NEVER), BorderLayout.EAST);
coordinateLabel = new JLabel("-");
getContentPane().add(coordinateLabel, BorderLayout.SOUTH);
imagePane.addMouseMotionListener(new MouseMotionAdapter() {
@Override
public void mouseMoved(MouseEvent e) {
Component view = imagePane.getViewport().getView();
if (null == view)
return;
Point p = SwingUtilities.convertPoint(imagePane, e.getPoint(), view);
int x = p.x * 100 / zoomFactor;
int y = p.y * 100 / zoomFactor;
coordinateLabel.setText(x + "/" + y);
}
});
scanImageFiles(baseDir);
pack();
setLocationRelativeTo(null);
setVisible(true);
if (baseDir.isDirectory())
scanImageFiles(baseDir);
else if (baseDir.isFile())
loadImageFile(baseDir);
}
private Component createFileSelector() {
final Box panel = Box.createHorizontalBox();
imageSelection = new DefaultComboBoxModel();
final JComboBox imageComboBox = new JComboBox(imageSelection);
imageComboBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
final Object i = imageComboBox.getSelectedItem();
if (i != null && i instanceof File && ((File) i).isFile())
loadImageFile((File) i);
}
});
panel.add(imageComboBox);
final JButton selectDirButton = new JButton("...");
selectDirButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
selectImageDirectory();
}
});
panel.add(selectDirButton);
return panel;
}
void selectImageDirectory() {
final JFileChooser chooser = new JFileChooser();
chooser.setCurrentDirectory(baseDir);
chooser.setAcceptAllFileFilterUsed(false);
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
chooser.setFileFilter(new FileFilter() {
@Override
public String getDescription() {
return "Directories";
}
@Override
public boolean accept(File f) {
return f.isDirectory();
}
});
final int res = chooser.showOpenDialog(this);
if (res == JFileChooser.APPROVE_OPTION && chooser.getSelectedFile() != null) {
baseDir = chooser.getSelectedFile();
scanImageFiles(baseDir);
}
}
private void scanImageFiles(File d) {
imageSelection.removeAllElements();
imageSelection.setSelectedItem(null);
scan(d);
if (imageSelection.getSize() > 0)
imageSelection.setSelectedItem(imageSelection.getElementAt(0));
}
/**
* @param d
*/
private void scan(File f) {
if (f.isFile()) {
if (f.getAbsolutePath().indexOf(".svn") < 0)
imageSelection.addElement(f);
} else if (f.isDirectory())
for (final File d : f.listFiles())
scan(d);
}
void loadImageFile(File file) {
try {
setImage(ImageIO.read(file));
} catch (final Exception e) {
e.printStackTrace();
JOptionPane.showConfirmDialog(this, e, "Can't load image", JOptionPane.OK_OPTION, JOptionPane.ERROR_MESSAGE);
}
}
/**
* @return
*/
private JPanel createOptionPane() {
final PropertyChangeListener runListener = new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
runDetection();
}
};
final JPanel optionPane = new JPanel() {
private static final long serialVersionUID = 1L;
@Override
public void setBounds(int x, int y, int width, int height) {
final Dimension p = getMinimumSize();
super.setBounds(x, y, width, Math.min(p.height, height));
}
};
optionPane.setLayout(new RackLayout(optionPane, RackLayout.PAGE_AXIS));
final ScanDirectionsSelector sds = new ScanDirectionsSelector(options);
sds.addPropertyChangeListener("enabledDirection", runListener);
optionPane.add(new CollapsibleSection(sds, "Directions to try", "Directions to try", false));
final SymbologySelector ss = new SymbologySelector(options);
ss.addPropertyChangeListener("enabledSymbology", runListener);
optionPane.add(new CollapsibleSection(ss, "Symbologies to try", "Symbologies to try", false));
debugAnnotationSelector = new DebugAnnotationSelector();
debugAnnotationSelector.addPropertyChangeListener("enabledDebugMarkers", runListener);
optionPane.add(new CollapsibleSection(debugAnnotationSelector, "Debug Annotations", "Debug Annotations", true));
final ScanController scanController = new ScanController(options);
scanController.addPropertyChangeListener(new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent evt) {
if (evt.getPropertyName().startsWith("option"))
runDetection();
}
});
optionPane.add(new CollapsibleSection(scanController, "Scan parameters", "Scan parameters", false));
binarizedImageBox = new JCheckBox("Show binarized image");
binarizedImageBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
runDetection();
}
});
optionPane.add(binarizedImageBox);
final JPanel zoomPanel = new JPanel(new BorderLayout(5, 5));
zoomPanel.add(new JLabel("Zoom:"));
zoomField = new JTextField("100");
zoomField.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
zoomFactor = Integer.parseInt(zoomField.getText());
if (null != resultPane)
resultPane.updateZoom();
} catch (final NumberFormatException e1) {
zoomField.setText("100");
}
zoomField.getRootPane().repaint();
}
});
zoomPanel.add(zoomField, BorderLayout.CENTER);
zoomPanel.add(new JButton(new AbstractAction("fit") {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
zoomToFit();
}
}), BorderLayout.LINE_END);
optionPane.add(zoomPanel);
return optionPane;
}
protected void zoomToFit() {
if (null == image)
return;
Insets i = imagePane.getInsets();
zoomFactor = (int) Math.floor(Math.min(100.0 * (imagePane.getWidth() - i.left - i.right) / image.getWidth(),
100.0 * (imagePane.getHeight() - i.top - i.bottom) / image.getHeight()));
zoomField.setText(Integer.toString(zoomFactor));
if (null != resultPane)
resultPane.updateZoom();
}
private void setImage(Image image) {
if (null == image) {
// update context: remove any previously set image
this.image = null;
imagePane.setViewportView(new JLabel("no image loaded"));
return;
}
if (image instanceof BufferedImage)
this.image = (BufferedImage) image;
else {
final MediaTracker mediatracker = new MediaTracker(this);
mediatracker.addImage(image, 0);
try {
mediatracker.waitForAll();
} catch (final InterruptedException e) {
// ignore
}
this.image = new BufferedImage(image.getWidth(null), image.getHeight(null), BufferedImage.TYPE_INT_ARGB);
final Graphics2D graphics2d = this.image.createGraphics();
graphics2d.drawImage(image, 0, 0, this);
}
resultPane = new ResultPane(this.image);
imagePane.setViewportView(resultPane);
runDetection();
}
/**
*
*/
void runDetection() {
if (null == image)
return;
final BufferedImageLuminanceSource src = new BufferedImageLuminanceSource(image);
List thresholds = options.getSettings(BaseSettings.class).getThresholds();
int threshold = thresholds.isEmpty() ? BaseSettings.AUTO_THRESHOLD : thresholds.get(0);
BinaryGrid binaryGrid = Detector.prepareBinaryGrid(options, src, threshold);
if (binarizedImageBox != null && binarizedImageBox.isSelected())
resultPane.setBinaryImage(Java2DUtils.createBinaryGridImage(binaryGrid));
else
resultPane.setBinaryImage(null);
DiagnosticSettings diagnostics = options.getSettings(DiagnosticSettings.class);
diagnostics.getDebugMarkers().clear();
diagnostics.getTransientMarkers().clear();
diagnostics.setMarkupEnabled(debugAnnotationSelector.getEnabledDebugMarkers().size() > 0);
resultPane.setDiagSettings(diagnostics);
if (null != decodeWorker && decodeWorker.getState() != StateValue.DONE)
decodeWorker.cancel(true);
decodeWorker = new SwingWorker, Object>() {
@Override
protected List doInBackground() throws Exception {
return Detector.decode(options, src);
}
@Override
protected void done() {
try {
resultPane.setResults(get());
} catch (CancellationException e) {
// ignored
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ExecutionException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
};
decodeWorker.execute();
}
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