Java Swing Tutorial - Java GradientPaint .getTransparency ()

Syntax

GradientPaint.getTransparency() has the following syntax.

public int getTransparency()

Example

In the following code shows how to use GradientPaint.getTransparency() method.

/* w w w  . j a v  a2s.  c  om*/
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {

  public void paint(Graphics g) {
    super.paint(g);
    Graphics2D g2d = (Graphics2D) g;

    GradientPaint gp1 = new GradientPaint(5, 5, Color.red, 20, 20, Color.yellow, true);
    
    System.out.println(gp1.getTransparency());
    g2d.setPaint(gp1);
    g2d.fillRect(20, 20, 300, 40);

  }

  public static void main(String[] args) {

    JFrame frame = new JFrame("GradientsRedYellow");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new Main());
    frame.setSize(350, 350);
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
  }
}