Java 2D Draw text, shape and image - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Paint

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Description

Java 2D Draw text, shape and image

Demo Code

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.font.*;

import java.net.URL;

public class Starry extends JApplet {
    static String starryFile = "images/Starry.gif";

    public void init() {
        Image starry = getImage(getURL(starryFile));
        StarPanel starPanel = new StarPanel(starry);
        getContentPane().add(starPanel, BorderLayout.CENTER);
    }/*from w w w .j av  a2  s .co m*/

    protected URL getURL(String filename) {
        URL codeBase = this.getCodeBase();
        URL url = null;

        try {
            url = new URL(codeBase, filename);
        } catch (java.net.MalformedURLException e) {
            System.out.println("Couldn't create image: "
                    + "badly specified URL");
            return null;
        }

        return url;
    }

    public static void main(String[] args) {
        Image starImage = Toolkit.getDefaultToolkit().getImage(
                Starry.starryFile);

        StarPanel starPanel = new StarPanel(starImage);

        JFrame f = new JFrame("Starry");
        f.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });

        f.getContentPane().add(starPanel, BorderLayout.CENTER);
        f.setSize(new Dimension(550, 200));
        f.setVisible(true);
    }
}

class StarPanel extends JPanel {

    Image img;
    int w, h;

    public StarPanel(Image img) {
        this.img = img;
    }

    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        setBackground(Color.white);
        w = getSize().width;
        h = getSize().height;
        Graphics2D g2;
        g2 = (Graphics2D) g;

        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);

        g2.setRenderingHint(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY);

        FontRenderContext frc = g2.getFontRenderContext();
        Font f = new Font("Helvetica", 1, w / 10);
        String s = new String("The Starry Night");
        TextLayout textTl = new TextLayout(s, f, frc);
        AffineTransform transform = new AffineTransform();
        Shape outline = textTl.getOutline(null);
        Rectangle r = outline.getBounds();
        transform = g2.getTransform();
        transform.translate(w / 2 - (r.width / 2), h / 2 + (r.height / 2));
        g2.transform(transform);
        g2.setColor(Color.blue);
        g2.draw(outline);
        g2.setClip(outline);
        g2.drawImage(img, r.x, r.y, r.width, r.height, this);

    }
}

/*
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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