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import java.applet.*;
import java.awt.*;
import java.util.*;
import java.lang.*;
import java.text.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import java.net.URLDecoder;
public class test extends Applet {
String sFileName;
ImageIcon icon;
Image img;
String sjsFileName;
String sjsFilePath;
public test() {
Panel p = new Panel();
Font f;
String osname = System.getProperty("os.name","");
if (!osname.startsWith("Windows")) {
f = new Font("Arial",Font.BOLD,10);
} else {
f = new Font("Verdana",Font.BOLD,12);
}
p.setFont(f);
p.add(new Button("Parcourir"));
p.setBackground(new Color(255, 255, 255));
add("North",p);
}
public boolean action(Event evt, Object arg) {
if (arg.equals("Parcourir")) {
System.out.println("OPEN CLICKED");
// cette méthode fonctionne
Frame parent = new Frame();
FileDialog fd = new FileDialog(parent, "Répertoire de l'image:", FileDialog.LOAD);
fd.show();
String selectedItem = fd.getFile();
if (selectedItem == null) {
// no file selected
} else {
// read the file
//System.out.println("reading file " + fd.getDirectory() + File.separator + fd.getFile() );
sFileName = fd.getDirectory() + File.separator + fd.getFile();
displayFile(sFileName);
}
} else return false;
return true;
}
public void paint(Graphics g)
{
int width, height;
if (img!=null) {
width = img.getWidth(this);
height = img.getHeight(this);
if (width < height) {
if (height <= 500) {
g.drawImage(img, 0, 40, this);
}else {
double ratio = 500 / (double) height;
double temp2 = width*ratio;
int temp = (int) temp2;
g.drawImage(img, 0, 40, temp, 500, this);
}
} else {
if (width <= 500) {
g.drawImage(img, 0, 40, this);
}else {
double ratio = 500 / (double) width;
double temp2 = height*ratio;
int temp = (int) temp2;
g.drawImage(img, 0, 40, 500, temp, this);
}
}
}
}
public void displayFile (String sFileName){
System.out.println("file name : " + sFileName);
try {
String slocalFileName = URLDecoder.decode(sFileName, "UTF-8");
System.out.println("slocalFileName : " + slocalFileName);
icon = new ImageIcon(slocalFileName);
img = icon.getImage();
repaint();
}
catch (Exception e)
{
System.out.println("erreur " + e.toString());
}
}
// quand j'appelle cette fonction directement de la page html, ça génère l'exception
public void displayFile2 (String sPathName){
System.out.println("path name : " + sPathName);
try {
String slocalFileName = URLDecoder.decode(sPathName, "UTF-8");
System.out.println("slocalFileName : " + slocalFileName);
icon = new ImageIcon(slocalFileName);
img = icon.getImage();
repaint();
}
catch (Exception e)
{
System.out.println("erreur " + e.toString());
}
}
public String getString() {
return sFileName;
}
public void setFileName(String s) throws Exception
{
try {
sjsFileName = new String( s );
System.out.println("sjsFileName : " + sjsFileName);
return ;
}
catch (Exception e)
{
System.out.println("erreur " + e.toString());
}
}
public void setFilePath(String s) throws Exception
{
try {
sjsFilePath = new String( s );
System.out.println("sjsFilePath (encodé): " + sjsFilePath);
System.out.println("sjsFilePath (décodé): " + URLDecoder.decode(sjsFilePath, "UTF-8"));
sjsFilePath = new String( URLDecoder.decode(sjsFilePath, "UTF-8") );
return ;
}
catch (Exception e)
{
System.out.println("erreur " + e.toString());
}
}
} |
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