import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.Image; import java.awt.image.BufferedImage; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JPanel; public class ImageMultiniveau extends JPanel { public void paint(Graphics g) { Image image = new ImageIcon("c:/image.gif").getImage(); BufferedImage bufferedImage = new BufferedImage(image.getHeight(this), image.getWidth(this), BufferedImage.TYPE_BYTE_GRAY); Graphics gi = bufferedImage.getGraphics(); gi.drawImage(image, 0, 0, null); gi.dispose(); Graphics2D g2d = (Graphics2D) g; g2d.drawImage(bufferedImage, null, 0, 0); } public static void main(String[] args) { JFrame frame = new JFrame("Image Grise Multiniveau"); frame.add(new ImageMultiniveau()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(400,400); frame.setLocationRelativeTo(null); frame.setVisible(true); } }
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