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import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import javax.swing.JPanel;
class ImagePanel extends JPanel {
private double zoom = 1.0;
private double percentage;
private Image image;
public ImagePanel(Image image, double zoomPercentage) {
this.image = image;
percentage = zoomPercentage / 100;
}
public void paintComponent(Graphics grp) {
Graphics2D g2D = (Graphics2D) grp;
g2D.scale(zoom, zoom);
g2D.drawImage(image, 0, 0, this);
}
public void setZoomPercentage(int zoomPercentage) {
percentage = ((double) zoomPercentage) / 100;
}
public void originalSize() {
zoom = 1;
}
public void zoomIn() {
zoom += percentage;
}
public void zoomOut() {
zoom -= percentage;
if (zoom < percentage) {
if (percentage > 1.0) {
zoom = 1.0;
} else {
zoomIn();
}
}
}
}
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