Resize the picture into 100x100 size and load into that resized picture in JLabel?
I resized the picture into 100x100 size by using Graphics class and drawImage() method. But i can't load the resized the image into JLabel. Is possible to load a resized picture into JLabel?
Image image = jfc.getSelectedFile();
ImageIcon Logo = new ImageIcon(image.getPath());
BufferedImage resizedImage = new BufferedImage(width, height,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g = resizedImage.createGraphics();
g.drawImage(image, 0, 0, 100, 100, null); // Here i resized. But after that how can i load into Jlabel?
JLabel labelLogo;
lab开发者_如何学GoelLogo.setIcon(Logo);
...?
here is an example: you possibliy need to update the layout after modifying the component in actionPerformed()
.
public static void main(String[] args) {
JFrame frame = new JFrame();
final Container panel = frame.getContentPane();
panel.setLayout(new FlowLayout());
// create an image an draw in it.
final BufferedImage image = new BufferedImage(
200, 200, BufferedImage.TYPE_INT_ARGB);
Graphics g = image.getGraphics();
g.setColor(Color.RED);
g.drawLine(0, 0, image.getWidth(), image.getHeight());
Icon iImage = new ImageIcon(image);
// create a label with the icon.
final JLabel label = new JLabel(iImage);
panel.add(label);
// create a new button.
JButton button = new JButton("resize");
// add an action to the button.
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
// set the label with a new icon.
BufferedImage bi = new BufferedImage(
100, 100, BufferedImage.TYPE_INT_ARGB);
bi.getGraphics().drawImage(image, 0, 0, null);
label.setIcon(new ImageIcon(bi));
}
});
// add the button to the frame.
panel.add(button);
// open the frame.
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setVisible(true);
}
this article said something about avoiding the use of getScaledInstance method, and also provided some alternative approach...
link to article
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