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How can we draw a rounded rectangle using the Graphics object in Java?
Graphics Class
- In Java, the drawing takes place via a Graphics object, this is an instance of the java.awt.Graphics class.
- Each Graphics object has its own coordinate system and all the methods of Graphics including those for drawing Strings, lines, rectangles, circles, polygons and etc.
- We can get access to the Graphics object through the paint(Graphics g) method.
- We can use the drawRoundRect() method that accepts x-coordinate, y-coordinate, width, height, arcWidth, and arc height to draw a rounded rectangle.
Example
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class RoundedRectangleTest extends JFrame {
public RoundedRectangleTest() {
setTitle("RoundedRectangle Test");
setSize(350, 275);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
setVisible(true);
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
g2d.drawRoundRect(10, 50, 150, 150, 50, 30); // to draw a rounded rectangle.
}
public static void main(String []args) {
new RoundedRectangleTest();
}
}Output
Updated on: 10-Feb-2020
3K+ Views
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