Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.geom.Area;
import java.awt.geom.RoundRectangle2D;

import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.border.AbstractBorder;

public class Main {
    public static void main(String[] args) {
        JLabel l = new JLabel("Text");
        l.setBorder(new ThreeDimensionalBorder(Color.BLACK, 200, 5));

        JOptionPane.showMessageDialog(null, l);
    }
}

class ThreeDimensionalBorder extends AbstractBorder {
    Color color;
    int thickness = 8;
    int radius = 8;
    Insets insets = null;
    BasicStroke stroke = null;
    int strokePad;
    RenderingHints hints;
    int shadowPad = 3;

    ThreeDimensionalBorder(Color color) {
        this(color, 128, 8);
    }

    ThreeDimensionalBorder(Color color, int transparency, int shadowWidth) {
        this.color = color;
        shadowPad = shadowWidth;

        stroke = new BasicStroke(thickness);
        strokePad = thickness / 2;

        hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

        int pad = radius + strokePad;
        int bottomPad = pad + strokePad + shadowPad;
        int rightPad = pad + strokePad + shadowPad;
        insets = new Insets(pad, pad, bottomPad + shadowPad, rightPad);
    }

    @Override
    public Insets getBorderInsets(Component c) {
        return insets;
    }

    @Override
    public Insets getBorderInsets(Component c, Insets insets) {
        return getBorderInsets(c);
    }

    @Override
    public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {

        Graphics2D g2 = (Graphics2D) g;

        int bottomLineY = height - thickness - shadowPad;

        RoundRectangle2D.Double bubble = new RoundRectangle2D.Double(0 + strokePad, 0 + strokePad,
                width - thickness - shadowPad, bottomLineY, radius, radius);

        Area area = new Area(bubble);

        g2.setRenderingHints(hints);

        g2.setColor(color);
        g2.setStroke(stroke);
        g2.draw(area);

        Area shadowArea = new Area(new Rectangle(0, 0, width, height));
        shadowArea.subtract(area);
        g.setClip(shadowArea);
        Color shadow = new Color(color.getRed(), color.getGreen(), color.getBlue(), 128);
        g2.setColor(shadow);
        g2.translate(shadowPad, shadowPad);
        g2.draw(area);
    }
}