Example usage for javax.imageio ImageIO read

List of usage examples for javax.imageio ImageIO read

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Introduction

In this page you can find the example usage for javax.imageio ImageIO read.

Prototype

public static BufferedImage read(ImageInputStream stream) throws IOException

Source Link

Document

Returns a BufferedImage as the result of decoding a supplied ImageInputStream with an ImageReader chosen automatically from among those currently registered.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    String mapUrlPath = "http://www.java2s.com/style/download.png";
    URL mapUrl = new URL(mapUrlPath);
    BufferedImage mapImage = ImageIO.read(mapUrl);
    Image newMapImage = Toolkit.getDefaultToolkit()
            .createImage(new FilteredImageSource(mapImage.getSource(), new XorFilter()));
    ImageIcon mapIcon = new ImageIcon(mapImage);
    ImageIcon newMapIcon = new ImageIcon(newMapImage);

    JPanel imagePanel = new JPanel();
    imagePanel.add(new JLabel(mapIcon));
    imagePanel.add(new JLabel(newMapIcon));

    JOptionPane.showMessageDialog(null, imagePanel);
}

From source file:Main.java

public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
        @Override/*from www . j  a v a 2  s  .com*/
        public void run() {
            try {
                Image img = null;
                img = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));

                JFrame frame = new JFrame();
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setLayout(new BorderLayout());
                frame.add(new ImagePanel(img));
                frame.pack();
                frame.setVisible(true);
            } catch (Exception exp) {
                exp.printStackTrace();
            }
        }
    });
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String mapUrlPath = "http://www.java2s.com/style/download.png";
    URL mapUrl = new URL(mapUrlPath);
    BufferedImage mapImage = ImageIO.read(mapUrl);
    Image newMapImage = Toolkit.getDefaultToolkit()
            .createImage(new FilteredImageSource(mapImage.getSource(), new GrayFilter()));
    ImageIcon mapIcon = new ImageIcon(mapImage);
    ImageIcon newMapIcon = new ImageIcon(newMapImage);

    JPanel imagePanel = new JPanel();
    imagePanel.add(new JLabel(mapIcon));
    imagePanel.add(new JLabel(newMapIcon));

    JOptionPane.showMessageDialog(null, imagePanel);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    BufferedImage bi = ImageIO.read(url);
    for (float q = 0.2f; q < .9f; q += .2f) {
        OutputStream outStream = new FileOutputStream(new File("c:/Java_Dev/Image-" + q + ".jpg"));
        ImageWriter imgWriter = ImageIO.getImageWritersByFormatName("jpg").next();
        ImageOutputStream ioStream = ImageIO.createImageOutputStream(outStream);
        imgWriter.setOutput(ioStream);//from  w  w  w  .j ava 2 s .  c  o m

        JPEGImageWriteParam jpegParams = new JPEGImageWriteParam(Locale.getDefault());
        jpegParams.setCompressionMode(ImageWriteParam.MODE_EXPLICIT);
        jpegParams.setCompressionQuality(q);

        imgWriter.write(null, new IIOImage(bi, null, null), jpegParams);

        ioStream.flush();
        ioStream.close();
        imgWriter.dispose();
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    String mapUrlPath = "http://www.java2s.com/style/download.png";
    URL mapUrl = new URL(mapUrlPath);
    BufferedImage mapImage = ImageIO.read(mapUrl);
    Image newMapImage = Toolkit.getDefaultToolkit()
            .createImage(new FilteredImageSource(mapImage.getSource(), new GrayToColorFilter(Color.red)));
    ImageIcon mapIcon = new ImageIcon(mapImage);
    ImageIcon newMapIcon = new ImageIcon(newMapImage);

    JPanel imagePanel = new JPanel();
    imagePanel.add(new JLabel(mapIcon));
    imagePanel.add(new JLabel(newMapIcon));

    JOptionPane.showMessageDialog(null, imagePanel);
}

From source file:Main.java

public static void main(String args[]) {
    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            try {
                JFrame f = new JFrame();
                f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                BufferedImage image = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));
                f.getContentPane().add(new JLabel(new ImageIcon(dye(image, new Color(255, 0, 0, 128)))));
                f.pack();/*from  w ww  .ja v  a 2  s .  com*/
                f.setVisible(true);

            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });

}

From source file:Main.java

public static void main(String[] args) throws Exception {
    JFrame f = new JFrame(Main.class.getSimpleName());
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    BufferedImage bi = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));
    JPanel panel = new JPanel(new BorderLayout());
    JLabel label = new JLabel(new ImageIcon(bi));
    panel.add(label);/*www  .ja  va 2  s .c  o m*/
    MouseMotionListener doScrollRectToVisible = new MouseMotionAdapter() {
        @Override
        public void mouseDragged(MouseEvent e) {
            Rectangle r = new Rectangle(e.getX(), e.getY(), 1, 1);
            ((JPanel) e.getSource()).scrollRectToVisible(r);
        }
    };
    panel.addMouseMotionListener(doScrollRectToVisible);

    panel.setAutoscrolls(true);
    f.add(new JScrollPane(panel));
    f.pack();
    f.setSize(f.getWidth() / 2, f.getHeight() / 2);
    f.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");

    final BufferedImage originalImage = ImageIO.read(url);
    int width = originalImage.getWidth();
    int height = originalImage.getHeight();
    final BufferedImage textImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = textImage.createGraphics();

    FontRenderContext frc = g.getFontRenderContext();
    Font font = new Font("Arial", Font.BOLD, 50);
    GlyphVector gv = font.createGlyphVector(frc, "java2s.com");

    int xOff = 0;
    int yOff = 50;

    Shape shape = gv.getOutline(xOff, yOff);
    g.setClip(shape);//from   w w  w .j  a va2  s  . c o m
    g.drawImage(originalImage, 0, 0, null);

    g.setStroke(new BasicStroke(2f));
    g.setColor(Color.BLACK);
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.draw(shape);
    g.dispose();

    ImageIO.write(textImage, "png", new File("cat-text.png"));

    SwingUtilities.invokeLater(new Runnable() {
        public void run() {
            JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(textImage)));
        }
    });
}

From source file:Main.java

public static void main(final String[] args) throws IOException {
    final URL url1 = new URL("http://www.java2s.com/style/download.png");
    final URL url2 = new URL("http://www.java2s.com/style/download.png");
    final URL url3 = new URL("http://www.java2s.com/style/download.png");

    final PictureDesktop desktop = new PictureDesktop();
    desktop.addPicture(ImageIO.read(url1));
    desktop.addPicture(ImageIO.read(url2));
    desktop.addPicture(ImageIO.read(url3));

    final JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(BorderLayout.CENTER, desktop);
    frame.setSize(720, 480);/*www.  j av a 2 s. com*/
    frame.setVisible(true);
}

From source file:Main.java

public static void main(String[] args) {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice screen = ge.getDefaultScreenDevice();

    if (!screen.isFullScreenSupported()) {
        System.out.println("Full screen mode not supported");
        System.exit(1);//from www  .j  av a 2s  . co m
    }

    try {
        BufferedImage loadedpic = ImageIO.read(new File("your.jpg"));
        screen.setFullScreenWindow(new Main(loadedpic));
    } catch (Exception e) {
        System.err.println(e.getMessage());
    }
}