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copied!<p>This is a method which will work:</p> <pre><code>import java.awt.image.BufferedImage; import java.awt.Rectangle; import java.awt.Color; import java.awt.Graphics; public BufferedImage crop(BufferedImage src, Rectangle rect) { BufferedImage dest = new BufferedImage(rect.getWidth(), rect.getHeight(), BufferedImage.TYPE_ARGB_PRE); Graphics g = dest.getGraphics(); g.drawImage(src, 0, 0, rect.getWidth(), rect.getHeight(), rect.getX(), rect.getY(), rect.getX() + rect.getWidth(), rect.getY() + rect.getHeight(), null); g.dispose(); return dest; } </code></pre> <p>Of course you have to make your own JComponent:</p> <pre><code>import java.awt.event.MouseListener; import java.awt.event.MouseMotionListener; import java.awt.image.BufferedImage; import java.awt.Rectangle; import java.awt.Graphics; import javax.swing.JComponent; public class JImageCropComponent extends JComponent implements MouseListener, MouseMotionListener { private BufferedImage img; private int x1, y1, x2, y2; public JImageCropComponent(BufferedImage img) { this.img = img; this.addMouseListener(this); this.addMouseMotionListener(this); } public void setImage(BufferedImage img) { this.img = img; } public BufferedImage getImage() { return this; } @Override public void paintComponent(Graphics g) { g.drawImage(img, 0, 0, this); if (cropping) { // Paint the area we are going to crop. g.setColor(Color.RED); g.drawRect(Math.min(x1, x2), Math.min(y1, y2), Math.max(x1, x2), Math.max(y1, y2)); } } @Override public void mousePressed(MouseEvent evt) { this.x1 = evt.getX(); this.y1 = evt.getY(); } @Override public void mouseReleased(MouseEvent evt) { this.cropping = false; // Now we crop the image; // This is the method a wrote in the other snipped BufferedImage cropped = crop(new Rectangle(Math.min(x1, x2), Math.min(y1, y2), Math.max(x1, x2), Math.max(y1, y2)); // Now you have the cropped image; // You have to choose what you want to do with it this.img = cropped; } @Override public void mouseDragged(MouseEvent evt) { cropping = true; this.x2 = evt.getX(); this.y2 = evt.getY(); } //TODO: Implement the other unused methods from Mouse(Motion)Listener } </code></pre> <p>I didn't test it. Maybe there are some mistakes (I'm not sure about all the imports).<br></p> <p>You can put the <code>crop(img, rect)</code> method in this class. Hope this helps.</p>

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