FrameBorder.java

package edu.revtek.javax;

import javax.swing.border.*;
import java.awt.*;
import java.awt.font.*;
import java.util.*;

public class FrameBorder extends AbstractBorder {

	@Override
	public Insets getBorderInsets(Component c, Insets insets) {
		return new Insets(40, 4, 4, 4);
	}

	@Override
	public void paintBorder(Component c, Graphics g1, int x, int y, int width, int height) {
		Graphics2D g = (Graphics2D) g1;
		g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
		Rectangle border = new Rectangle(0, 0, width, height);
		g.clip(border);
		/**
		 * Fill Border
		 */
		g.setColor(new Color(20, 20, 20));
		g.fill(border);
		/**
		 * Draw TitleBar
		 */
		Insets insets = getBorderInsets(c);
		int titleHeight = insets.top - insets.bottom;
		Rectangle title = new Rectangle(x, y, width, titleHeight);
		g.setPaint(new GradientPaint(x, y, new Color(60, 60, 60), x, titleHeight, new Color(40, 40, 40)));
		g.fill(title);
		/**
		 * Draw TitleBar Outline
		 */
		g.setColor(Color.BLACK);
		title.setBounds(0, 0, width - 1, titleHeight - 1);
		g.draw(title);
		/**
		 * Draw Outline
		 */
		g.setColor(Color.BLACK);
		border.setBounds(0, 0, width - 1, height - 1);
		g.draw(border);
		/**
		 * Draw TitleBar Components
		 */
		Map<TextAttribute, Object> attributes = new HashMap<>();
		attributes.put(TextAttribute.TRACKING, 0.25f);
		g.setFont(new Font(Font.SANS_SERIF, Font.PLAIN, 13).deriveFont(attributes));
		drawString(g, title, "ROBOTEK");
		/**
		 * Dispose
		 */
		g.dispose();
	}

	private void drawString(Graphics2D g, Rectangle bounds, String s) {
		FontMetrics fm = g.getFontMetrics();
		int x = bounds.x;
		int y = bounds.y;
		x += (bounds.width / 2);
		y += (bounds.height / 2);
		x -= (fm.stringWidth(s) / 2);
		y += (fm.getAscent() / 2);
		g.drawString(s, x, y);
	}

}