java

Question

Bonjour,je veux savoir qu'est ce qu'elle fait cette classe? merci d'avance import javax.swing.*; import java.awt.Image; import java.awt.image.BufferedImage; import java.awt.image.ImageObserver; import java.awt.Graphics; import java.awt.Graphics2D; /** *

Titre :

* *

Description :

* *

Société :

* * @author non attribuable * @version 1.0 */ public class CImagePanel extends JPanel { Image m_Img ; boolean m_bRedimensionne ; public CImagePanel() { m_Img = null ; m_bRedimensionne = false ; } public void SetImage(Image img, boolean bRedimensionne) { m_bRedimensionne = bRedimensionne ; m_Img = img ; repaint() ; } public void paint(Graphics g) { int X ; int Y ; g.clearRect(0, 0, this.getWidth(), this.getHeight()); if (m_Img != null) { if (m_bRedimensionne != true) { X = (this.getWidth() - m_Img.getWidth(null)) / 2 ; Y = (this.getHeight() - m_Img.getHeight(null)) / 2 ; if((X > 0) && (Y > 0)) g.drawImage(m_Img, X, Y, this); else g.drawImage(m_Img, 0, 0, this); } else { g.drawImage(m_Img, 0, 0, this.getWidth(), this.getHeight(), null); } } g.dispose(); } }

lachouke · Answer

salut
vu vite fait ça a l air d être un composant pour afficher une image et la redimensionner si besoin est.

walamefteh · Answer

salut 
un autre classe je veux savoir les  fonctionalités de ces deux classes et le difference entre eux
merci et merci
import java.applet.*;
import java.awt.*;

public class threadAffiche extends Applet implements Runnable {
    Image[] images = new Image[2];
    int frame = 0;
    Thread thread;

    public void init() {
      images[0] = getImage(getDocumentBase(), "image1.jpg");
      images[1] = getImage(getDocumentBase(), "image2.jpg");
    }
    public void start() {
      (thread = new Thread(this)).start();
    }
    public void stop() {
      thread = null;
    }
    public void paint(Graphics g) {
      g.drawImage(images[frame], 0, 0, this);
    }
   public void run() {
      int delay = 1000;    // 1 seconde
      try {
        while (thread == Thread.currentThread()) {
        frame = (frame+1)%images.length;
        repaint();
        Thread.sleep(delay);
        }
      } catch (Exception e) {
        }
    }
}


2 éme classe:

import javax.swing.*;
import java.awt.*;
import java.awt.image.* ;

import javax.imageio.ImageIO;
import java.io.*;
import javax.swing.border.TitledBorder;
import java.awt.event.MouseEvent;
import java.awt.event.MouseAdapter;

class MonThread extends Thread {
	public BufferedImage m_BufferImage ;
	CTreeFolder m_TreeFolder;
	 CImagePanel m_ImagePanel;
	 boolean stop = true;
    MonThread(CTreeFolder m_TreeFolder,  CImagePanel m_ImagePanel) {
    	this.m_TreeFolder = m_TreeFolder;
    	 this.m_ImagePanel =  m_ImagePanel;
    }

    public void run() {
    	
    	int delay = 1000;    // 2 seconde
    	int i=0;
        try {
          while (this == Thread.currentThread() && stop ) {
        //DefaultListModel  dList  = new DefaultListModel();
        //dList = m_TreeFolder.list;
          i = (i+1)%m_TreeFolder.nbre;
          File file = (File)m_TreeFolder.list.getModel().getElementAt(i) ;
          m_BufferImage = ImageIO.read(file);
          //repaint();
          
          m_ImagePanel.SetImage(m_BufferImage, true);
          Thread.sleep(delay);
          }
        } 
        catch(Exception e) 
        {
            m_BufferImage = null;
            System.err.println("Fichier invalide");
        }
        
       }
}

Java

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