package packageTestDcm4che3;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.Vector;
import javax.imageio.ImageIO;
import javax.imageio.ImageReadParam;
import javax.imageio.ImageReader;
import javax.imageio.spi.ImageReaderSpi;
import javax.imageio.stream.FileImageInputStream;
import javax.imageio.stream.ImageInputStream;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import org.dcm4che.imageio.plugins.dcm.DicomImageReadParam;
import org.dcm4che.imageio.plugins.dcm.DicomImageReader;
/**
* Plays a multiframe DICOM instance.
*
* @author dimitri PIANETA
*
* <p>The code for this came from <a href="http://samucs.blogspot.com" target="_blank">http://samucs.blogspot.com</a>
* and was dated 6-January-2010.</p>
*
* <p> code modification 14 January 2014 for dcm4che3 <p>
*/
public class DicomMultiframePlayer extends JFrame implements ActionListener, Runnable {
private static final long serialVersionUID = 1L;
private JLabel fileLabel;
/**
* Will contain name of file to be read.
*/
private JTextField fileField;
/**
* Triggers process for selecting file to be read.
* @see #actionPerformed(ActionEvent)
*/
private JButton btnChoose;
/**
* Starts playing of images.
* @see #actionPerformed(ActionEvent)
*/
private JButton btnPlay;
/**
* Pauses playing of images.
* @see #actionPerformed(ActionEvent)
*/
private JButton btnPause;
/**
* Halts playing of images.
* @see #actionPerformed(ActionEvent)
*/
private JButton btnStop;
private JButton btnExit;
private Vector<BufferedImage> images;
private ImagePanel imagePanel;
private boolean stop;
private int currentFrame;
private int frame = 1;
private final ImageReader imageReader =
ImageIO.getImageReadersByFormatName("DICOM").next();
public DicomMultiframePlayer() {
super("DICOM Multiframe Player using dcm4che - by samucs-dev");
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.getContentPane().setLayout(new BorderLayout());
images = new Vector<BufferedImage>();
imagePanel = new ImagePanel();
fileLabel = new JLabel("File:");
fileField = new JTextField(30);
btnChoose = this.createJButton(25, 25, "...");
btnPlay = this.createJButton(80,25,"Play");
btnPause = this.createJButton(80,25,"Pause");
btnStop = this.createJButton(80,25,"Stop");
btnExit = this.createJButton(80,25,"Exit");
btnPause.setEnabled(false);
btnStop.setEnabled(false);
JPanel panelNorth = new JPanel();
panelNorth.add(fileLabel);
panelNorth.add(fileField);
panelNorth.add(btnChoose);
JPanel panelSouth = new JPanel();
panelSouth.add(btnPlay);
panelSouth.add(btnPause);
panelSouth.add(btnStop);
panelSouth.add(btnExit);
this.getContentPane().add(panelNorth, BorderLayout.NORTH);
this.getContentPane().add(imagePanel, BorderLayout.CENTER);
this.getContentPane().add(panelSouth, BorderLayout.SOUTH);
this.setSize(new Dimension(500,500));
this.setLocationRelativeTo(null);
this.setVisible(true);
}
/**
* Plays the frames in order.
*
* <p>I removed the Override annotation.</p>
*/
// @Override
public void run() {
while(true) {
if (!btnPlay.isEnabled()) {
if (stop) break;
currentFrame++;
if (currentFrame == images.size())
currentFrame = 0;
imagePanel.setImage(images.get(currentFrame));
try {
Thread.sleep(70);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
/**
* Detects clicking of button and carries out appropriate action.
*
* <p>I removed the Override annotation.</p>
*/
// @Override
public void actionPerformed(ActionEvent e) {
if (e.getSource().equals(btnChoose)) {
JFileChooser chooser = new JFileChooser();
int action = chooser.showOpenDialog(this);
switch(action) {
case JFileChooser.APPROVE_OPTION:
this.openFile(chooser.getSelectedFile());
break;
case JFileChooser.CANCEL_OPTION:
return;
}
}
if (e.getSource().equals(btnPlay)) {
btnPlay.setEnabled(false);
btnPause.setEnabled(true);
btnStop.setEnabled(true);
stop = false;
new Thread(this).start();
}
if (e.getSource().equals(btnPause)) {
btnPlay.setEnabled(true);
btnPause.setEnabled(false);
btnStop.setEnabled(true);
stop = false;
}
if (e.getSource().equals(btnStop)) {
btnPlay.setEnabled(true);
btnPause.setEnabled(false);
btnStop.setEnabled(false);
stop = true;
currentFrame = 0;
imagePanel.setImage(images.get(0));
}
if (e.getSource().equals(btnExit)) {
System.exit(0);
}
}
/**
* Creates JButton objects on window.
* @param width width of button in pixels.
* @param height height of button in pixels
* @param text text to appear in button
* @return JButton object
*/
private JButton createJButton(int width, int height, String text) {
JButton b = new JButton(text);
b.setMinimumSize(new Dimension(width, height));
b.setMaximumSize(new Dimension(width, height));
b.setPreferredSize(new Dimension(width, height));
b.addActionListener(this);
return b;
}
/**
* Reads the contents of the dicom file
* @param file file to be opened
* @see org.dcm4che2.imageioimpl.plugins.dcm.DicomImageReaderSpi
* @see org.dcm4che2.imageioimpl.plugins.dcm.DicomImageReader
*/
private void openFile(File file) {
images.clear();
try {
int numFrames =setNumber(file);
//System.out.println("DICOM image has "+ numFrames +" frames...");
System.out.println("Extracting frames...");
for (int i=0; i < numFrames; i++) {
BufferedImage img = chargeImageDicomBufferise(file,i);
images.add(img);
System.out.println(" > Frame "+ (i+1));
}
System.out.println("Finished.");
} catch(Exception e) {
e.printStackTrace();
imagePanel.setImage(null);
return;
}
stop = false;
currentFrame = 0;
imagePanel.setImage(images.get(0));
}
/**
* Building BufferingImage
* @param file : input file
* @param value : number frame
* @return
* @throws IOException
*/
public BufferedImage chargeImageDicomBufferise(File file, int value) throws IOException {
Iterator<ImageReader> iter = ImageIO.getImageReadersByFormatName("DICOM");//sp?cifie l'image
ImageReader readers = iter.next();//on se d?place dans l'image dicom
DicomImageReadParam param1 = (DicomImageReadParam) readers.getDefaultReadParam();//return DicomImageReadParam
// Adjust the values of Rows and Columns in it and add a Pixel Data attribute with the byte array from the DataBuffer of the scaled Raster
ImageInputStream iis = ImageIO.createImageInputStream(file);
readers.setInput(iis, false);//sets the input source to use the given ImageInputSteam or other Object
BufferedImage image = readers.read(value,param1);//BufferedImage image = reader.read(frameNumber, param); frameNumber = int qui est l'imageIndex
System.out.println(image);//affichage au terminal des caract?res de l'image
readers.dispose();//Releases all of the native sreen resources used by this Window, its subcomponents, and all of its owned children
return image;
}
/**
* Find number frame
* @param file : input file
* @return numbre frame in Dicom
* @throws IOException
*/
public int setNumber(File file) throws IOException {
/* Parcourt le fichier dicom*/
Iterator<ImageReader> iter = ImageIO.getImageReadersByFormatName("DICOM");//sp?cifie l'image
ImageReader readers = (ImageReader)iter.next();//on se d?place dans l'image dicom
DicomImageReadParam param1= (DicomImageReadParam) readers.getDefaultReadParam();//return DicomImageReadParam
// Adjust the values of Rows and Columns in it and add a Pixel Data attribute with the byte array from the DataBuffer of the scaled Raster
ImageInputStream iis = ImageIO.createImageInputStream(file);//cr?ation du fichier image
readers.setInput(iis, false);//sets the input source to use the given ImageInputSteam or other Object
//iis.close();
int number = readers.getNumImages(true);//numberOfFrame on a "readers" qui doit ?tre DicomImage
System.out.println(number);//return NumberOfFrame (Tag : (0028, 0008))
return number;
}
private class ImagePanel extends JPanel {
private static final long serialVersionUID = 1L;
private BufferedImage image;
private int frame;
public ImagePanel() {
super();
this.setPreferredSize(new Dimension(1024,1024));
this.setBackground(Color.black);
}
public void setImage(BufferedImage image) {
this.image = image;
this.updateUI();
}
@Override
public void paint(Graphics g) {
if (this.image != null) {
g.drawImage(this.image, 0, 0, image.getWidth(), image.getHeight(), null);
}
}
};
public static void main(String[] args) {
new DicomMultiframePlayer();
}
}
