Sauvegarder Image et dessiner formes
Bonjour, pourquoi est-ce que mon programme ne sauvegarde pas les images? Le but de mon programme est de pouvoir ouvrir, sauvegarder et dessiner des formes.
Voici mon code Java:
Code:
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| import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.filechooser.FileFilter;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.filechooser.FileSystemView;
public class Rectangles extends JFrame implements ActionListener
{
int choice = 0;
private static final int BI_WIDTH = 500;
private static final int BI_HEIGHT = BI_WIDTH;
private static BufferedImage bImage = new BufferedImage(BI_WIDTH, BI_HEIGHT, BufferedImage.TYPE_INT_ARGB); //Enregistrement de l'image en RGBA
JButton square = new JButton("Square");
JButton rectangle = new JButton("Rectangle");
JButton circle = new JButton("Circle");
JButton open= new JButton ("Open");
JButton save= new JButton ("Save");
Drawing draw = new Drawing();
JLabel label = new JLabel();
JPanel panel = new JPanel();
public Rectangles()
{
JFrame frame = new JFrame("Draw Shapes");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
square.addActionListener(this);
rectangle.addActionListener(this);
circle.addActionListener(this);
open.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser file = new JFileChooser();
file.setCurrentDirectory(new File(System.getProperty("user.home")));
//filter the files
FileNameExtensionFilter filter = new FileNameExtensionFilter("*.Images", "jpg","gif","png");
file.addChoosableFileFilter(filter);
int result = file.showOpenDialog(null);
if(result == JFileChooser.APPROVE_OPTION){
File selectedFile= file.getSelectedFile();
String path = selectedFile.getAbsolutePath();
label.setIcon(ResizeImage(path));
}
else if(result == JFileChooser.CANCEL_OPTION){
System.out.println("No File Select");
}
}
});
save.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JFileChooser filechooser = new JFileChooser();
FileNameExtensionFilter filter = new FileNameExtensionFilter("PNG Images", "png");
filechooser.setFileFilter(filter);
int result = filechooser.showSaveDialog(null);
if (result == JFileChooser.APPROVE_OPTION) {
File saveFile = filechooser.getSelectedFile();
Graphics g2 = bImage.createGraphics();
paint(g2);
try {
ImageIO.write(bImage, "png", saveFile);
} catch (IOException e1 ) {
e1.printStackTrace();
}
}
}
});
panel.add(square);
panel.add(rectangle);
panel.add(circle);
panel.add(open);
panel.add(save);
panel.add(label);
panel.add(draw);
frame.add(panel, "North");
frame.add(draw);
frame.setSize(500,500);
frame.setVisible(true);
frame.add(label);
}
public ImageIcon ResizeImage(String ImagePath)
{
ImageIcon MyImage = new ImageIcon(ImagePath);
Image img = MyImage.getImage();
Image newImg = img.getScaledInstance(label.getWidth(), label.getHeight(), Image.SCALE_SMOOTH);
ImageIcon image = new ImageIcon(newImg);
return image;
}
public void actionPerformed(ActionEvent e)
{
if (e.getSource()== square)
choice = 1;
else if (e.getSource()== rectangle)
choice = 2;
else if (e.getSource()== circle)
choice = 3;
draw.repaint();
}
class Drawing extends JComponent
{
public void paint(Graphics g)
{
super.paintComponent(g);
g.setColor(Color.red);
if (choice == 1)
g.fillRect(100,80,300,300);
else if (choice == 2)
g.fillRect(50,200,350,100);
else if (choice == 3)
g.fillOval(150,100,200,200);
}
}
public static void main(String[] args)
{
new Rectangles();
}
} |
