tutorial java Modifications Label Part 1 [background Label].

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source code for the Class Background Labels like this with the name LabelClip.java

 package lanjutan;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.font.FontRenderContext;
import java.awt.font.TextLayout;
import java.awt.geom.AffineTransform;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;

/**
 *
 * @author QQ
 */ // MASUNDUH II
public class LabelClip extends JLabel {
    private Image gambar;
    private Icon gambarText;

    public LabelClip() {
        super();
        setGambarText(null);
    }

    public Icon getGambarText() {
        return gambarText;
    }

    public void setGambarText(Icon gambarText)throws IllegalArgumentException{
        if (gambarText != null) {
      if (!(gambarText instanceof ImageIcon)) {
        throw new IllegalArgumentException();
      }
      this.gambar = ((ImageIcon)gambarText).getImage();
    }
    firePropertyChange("gambarText", getGambarText(), gambarText);
    this.gambarText = gambarText;
    repaint();
        this.gambarText = gambarText;
    }

    public Image getGambar() {
        return gambar;
    }

    public void setGambar(Image gambar) {
        this.gambar = gambar;
        repaint();
    }

    @Override
    protected void paintComponent(Graphics g) {
        if(getGambar() !=null){
            final FontMetrics metric = getFontMetrics(getFont());
            final Graphics2D g2d = (Graphics2D) g.create();
            g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);             
            final FontRenderContext context = g2d.getFontRenderContext();
            final TextLayout layout = new TextLayout(getText(), getFont(), context);
            
            final AffineTransform transform = AffineTransform.getTranslateInstance(0, 50);
            final Shape outline = layout.getOutline(transform);            
            g2d.setClip(outline);

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* Advanced syntax above

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