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| import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.TexturePaint;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.geom.Rectangle2D;
import java.awt.geom.RoundRectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
import org.jdesktop.swingx.JXFrame;
/**
*
*/
/**
* @author Sinok
*
*/
public class MyLabel extends JLabel implements ComponentListener{
private TexturePaint backgroundPaint;
private Shape backgroundShape;
private Color borderColor = Color.darkGray;
/**
*
*/
public MyLabel() {
super();
init();
// TODO Raccord de constructeur auto-généré
}
/**
* @param image
* @param horizontalAlignment
*/
public MyLabel(Icon image, int horizontalAlignment) {
super(image, horizontalAlignment);
init();
// TODO Raccord de constructeur auto-généré
}
/**
* @param image
*/
public MyLabel(Icon image) {
super(image);
init();
// TODO Raccord de constructeur auto-généré
}
/**
* @param text
* @param icon
* @param horizontalAlignment
*/
public MyLabel(String text, Icon icon, int horizontalAlignment) {
super(text, icon, horizontalAlignment);
init();
// TODO Raccord de constructeur auto-généré
}
/**
* @param text
* @param horizontalAlignment
*/
public MyLabel(String text, int horizontalAlignment) {
super(text, horizontalAlignment);
init();
// TODO Raccord de constructeur auto-généré
}
/**
* @param text
*/
public MyLabel(String text) {
super(text);
init();
// TODO Raccord de constructeur auto-généré
}
private GradientPaint prepareUpperGradient() {
return new GradientPaint(0,0,Color.lightGray,0,getHeight()/2,Color.white);
}
private GradientPaint prepareLowerGradient() {
return new GradientPaint(0,getHeight()/2,Color.white,0,getHeight(),Color.lightGray);
}
private Shape prepareShape() {
Border b= this.getBorder();
Insets insets = new Insets(0,0,0,0);
if(b != null) {
insets = b.getBorderInsets(this);
}
System.out.println("width "+getWidth()+" height "+getHeight());
System.out.println("insets "+insets.toString());
return new RoundRectangle2D.Double(insets.left,insets.top,getWidth()-insets.right*2,getHeight()-insets.bottom*2,10,10);
}
private TexturePaint prepareBackgroundPaint() {
GradientPaint upperGradient = prepareUpperGradient();
GradientPaint lowerGradient = prepareLowerGradient();
BufferedImage im = new BufferedImage(getWidth(), getHeight(),BufferedImage.TYPE_INT_ARGB);
Graphics2D imG2d = im.createGraphics();
imG2d.setPaint(upperGradient);
imG2d.fill(new Rectangle2D.Double(0,0,getWidth(),getHeight()/2));
imG2d.setPaint(lowerGradient);
imG2d.fill(new Rectangle2D.Double(0,getHeight()/2,getWidth(),getHeight()));
imG2d.dispose();
Rectangle2D rect = new Rectangle2D.Double(0,0,im.getWidth(), im.getHeight());
return new TexturePaint(im,rect);
}
/* (non-Javadoc)
* @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
*/
@Override
protected void paintComponent(Graphics g) {
// TODO Raccord de méthode auto-généré
if(isShowing()) {
Graphics2D g2d = (Graphics2D) g;
super.paintComponent(g2d);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
if(backgroundPaint == null) {
backgroundPaint = prepareBackgroundPaint();
}
if(backgroundShape == null) {
backgroundShape = prepareShape();
}
g2d.setPaint(backgroundPaint);
g2d.fill(backgroundShape);
super.paintComponent(g2d);
}
}
/* (non-Javadoc)
* @see javax.swing.JComponent#paintBorder(java.awt.Graphics)
*/
@Override
protected void paintBorder(Graphics g) {
// TODO Raccord de méthode auto-généré
if(isShowing()) {
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(borderColor);
g2d.draw(backgroundShape);
super.paintBorder(g);
}
}
public void componentHidden(ComponentEvent e) {
// TODO Raccord de méthode auto-généré
}
public void componentMoved(ComponentEvent e) {
backgroundPaint = prepareBackgroundPaint();
backgroundShape = prepareShape();
repaint();
}
public void componentResized(ComponentEvent e) {
backgroundPaint = prepareBackgroundPaint();
backgroundShape = prepareShape();
repaint();
}
public void componentShown(ComponentEvent e) {
// TODO Raccord de méthode auto-généré
}
private void init() {
this.addComponentListener(this);
setOpaque(false);
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Raccord de méthode auto-généré
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame f = new JFrame();
MyLabel l = new MyLabel("toto");
l.setHorizontalAlignment(JLabel.CENTER);
l.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
f.add(l);
f.pack();
f.setLocationRelativeTo(null);
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setVisible(true);
}
});
}
} |
