Example usage for javax.imageio ImageIO write

List of usage examples for javax.imageio ImageIO write

  1. HOME
  2. Java
  3. javax
  4. javax.imageio.*
  5. ImageIO
  6. write

Introduction

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

Prototype

public static boolean write(RenderedImage im, String formatName, OutputStream output) throws IOException

Source Link

Document

Writes an image using an arbitrary ImageWriter that supports the given format to an OutputStream .

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage bi = new BufferedImage(100, 100, BufferedImage.TYPE_USHORT_GRAY);
    Graphics2D g2d = bi.createGraphics();
    g2d.setColor(Color.WHITE);/* w  ww.j  av a 2 s  .c o m*/
    g2d.fillRect(0, 0, 100, 100);
    g2d.setColor(new Color(255, 123, 0));

    g2d.drawLine(100, 100, 1, 1);

    g2d.dispose();
    BufferedImage scaledImage = new BufferedImage(1000, 1000, BufferedImage.TYPE_USHORT_GRAY);

    Graphics2D graphics2D = scaledImage.createGraphics();
    graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    graphics2D.drawImage(bi, 0, 0, 1000, 1000, null);
    graphics2D.dispose();
    ImageIO.write(scaledImage, "png", new File("c:/Java_Dev/Test.png"));
    bi.flush();
}

From source file:Main.java

public static void main(String[] args) throws IOException {
    BufferedImage origin = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));

    File dest = new File("c:/Java_Dev/out.png");
    ImageIO.write(resize(200, 200, origin), "PNG", dest);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Robot robot = new Robot();
    robot.keyPress(KeyEvent.VK_PRINTSCREEN);
    robot.delay(40);/*from  w ww.ja  va2  s  .c om*/
    robot.keyRelease(KeyEvent.VK_PRINTSCREEN);
    robot.delay(404);

    Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard();
    DataFlavor[] flavors = cb.getAvailableDataFlavors();
    for (DataFlavor flavor : flavors) {
        if (flavor.toString().indexOf("java.awt.Image") <= 0) {
            continue;
        }
        Image i = (Image) cb.getData(flavor);
        BufferedImage bi = new BufferedImage(i.getWidth(null), i.getHeight(null), BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bi.createGraphics();
        g.drawImage(i, 0, 0, null);
        g.dispose();
        ImageIO.write(bi, "png", new File("c:/Java_Dev/test.png"));
    }
}

From source file:WriteImageType.java

static public void main(String args[]) throws Exception {
    try {/*from w w w.  j  a v a  2  s .  c  o  m*/
        int width = 200, height = 200;

        // TYPE_INT_ARGB specifies the image format: 8-bit RGBA packed
        // into integer pixels
        BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

        Graphics2D ig2 = bi.createGraphics();

        Font font = new Font("TimesRoman", Font.BOLD, 20);
        ig2.setFont(font);
        String message = "www.java2s.com!";
        FontMetrics fontMetrics = ig2.getFontMetrics();
        int stringWidth = fontMetrics.stringWidth(message);
        int stringHeight = fontMetrics.getAscent();
        ig2.setPaint(Color.black);
        ig2.drawString(message, (width - stringWidth) / 2, height / 2 + stringHeight / 4);

        ImageIO.write(bi, "PNG", new File("c:\\yourImageName.PNG"));
        ImageIO.write(bi, "JPEG", new File("c:\\yourImageName.JPG"));
        ImageIO.write(bi, "gif", new File("c:\\yourImageName.GIF"));
        ImageIO.write(bi, "BMP", new File("c:\\yourImageName.BMP"));

    } catch (IOException ie) {
        ie.printStackTrace();
    }

}

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 image = ImageIO.read(url);

    int w = image.getWidth();
    int h = image.getHeight();
    Ellipse2D.Double ellipse1 = new Ellipse2D.Double(10, 10, 20, 30);
    Ellipse2D.Double ellipse2 = new Ellipse2D.Double(15, 15, 20, 30);
    Area circle = new Area(ellipse1);
    circle.subtract(new Area(ellipse2));

    BufferedImage result = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g = result.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
    g.setClip(circle);/*from  ww  w  .ja v a  2 s . com*/
    g.drawImage(image, 0, 0, null);
    g.dispose();

    ImageIO.write(result, "png", new File("result.png"));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Object[][] data = { { "A", new Integer(3), new Double(7.23), new Boolean(true) },
            { "J", new Integer(2), new Double(4.64), new Boolean(false) },
            { "S", new Integer(1), new Double(8.81), new Boolean(true) } };

    String[] columns = { "Col", "Col", "Col", "Col" };

    JTable table = new JTable(data, columns);
    JScrollPane scroll = new JScrollPane(table);

    JFrame f = new JFrame();
    f.setContentPane(scroll);//from  w w w  .j  av  a 2 s  .  c o m
    f.pack();

    int x = (int) table.getTableHeader().getSize().getWidth();
    int y = (int) table.getTableHeader().getSize().getHeight() + (int) table.getSize().getHeight();

    BufferedImage bi = new BufferedImage((int) x, (int) y, BufferedImage.TYPE_INT_RGB);

    Graphics g = bi.createGraphics();
    table.getTableHeader().paint(g);
    g.translate(0, table.getTableHeader().getHeight());
    table.paint(g);
    g.dispose();

    JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(bi)));
    ImageIO.write(bi, "png", new File("c:/Java_Dev/table.png"));

    System.exit(0);
}

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   www  .j  av  a 2  s  .com
    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(String[] args) throws Exception {
    String text = "java2s.com";

    BufferedImage img = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2d = img.createGraphics();
    Font font = new Font("Arial", Font.PLAIN, 48);
    g2d.setFont(font);/*from  w  ww  .java 2s  . c  om*/
    FontMetrics fm = g2d.getFontMetrics();
    int width = fm.stringWidth(text);
    int height = fm.getHeight();
    g2d.dispose();

    img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    g2d = img.createGraphics();
    g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION,
            RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
    g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
    g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
    g2d.setFont(font);
    fm = g2d.getFontMetrics();
    g2d.setColor(Color.BLACK);
    g2d.drawString(text, 0, fm.getAscent());
    g2d.dispose();

    ImageIO.write(img, "png", new File("Text.png"));

}

From source file:com.timothyyip.face.FaceDetector.java

public static void main(String[] args) throws ImageReadException, IOException, ImageWriteException {

    Detector detector = new Detector("C:\\Code\\Java\\FaceDetector\\lib\\haarcascade_frontalface_default.xml");

    flickr.photoservice.flickrresponse.Rsp response = getFlickrPhotos();

    for (Photo photo : response.getPhotos().getPhoto()) {
        String timestamp = String.valueOf(Calendar.getInstance().getTimeInMillis());
        BufferedImage originalImage = getPhysicalFlickrImage(photo);

        if (originalImage != null) {
            File originalImageFile = new File(
                    "C:\\Code\\Java\\FaceDetector\\images\\original\\" + timestamp + ".jpg");

            //Sanselan.writeImage(originalImage, originalImageFile, ImageFormat.IMAGE_FORMAT_JPEG, null);
            ImageIO.write(originalImage, "JPG", originalImageFile);
            List<Rectangle> res = detector.getFaces(originalImageFile.getAbsolutePath(), 3, 1.25f, 0.1f, 1,
                    false);/*from  ww w . j  a  v a2 s.c om*/

            for (Rectangle face : res) {
                BufferedImage faceImage = originalImage.getSubimage(face.x, face.y, face.width, face.height);

                Sanselan.writeImage(faceImage,
                        new File("C:\\Code\\Java\\FaceDetector\\images\\"
                                + String.valueOf(Calendar.getInstance().getTimeInMillis()) + ".png"),
                        ImageFormat.IMAGE_FORMAT_PNG, null);
            }

        }
    }
}

From source file:jtrace.scenes.OneSphere.java

public static void main(String[] args) throws IOException {

    Camera camera = new Camera(new Vector3D(0, 0, 5), new Vector3D(0, 0, 0), Vector3D.PLUS_J, 1.0, 4.0 / 3.0);

    Scene scene = new Scene();
    scene.setCamera(camera);//from   w  w  w  .ja  v  a  2 s .c o m

    LightSource light = new LightSource(new Vector3D(-3, 3, 3), 4);
    scene.addLightSource(light);

    FlatTexture sphereTexture = (new FlatTexture(new SolidPigment(new Colour(1, 0, 0))))
            .addFinish(new DiffuseFinish(1.0)).addFinish(new AmbientFinish(0.1));

    Sphere sphere = new Sphere(new Vector3D(0, 0, 0), 0.4);
    sphere.addTexture(sphereTexture);
    scene.addObject(sphere);

    BufferedImage image = scene.render(640, 480, 10);
    ImageIO.write(image, "PNG", new File("out.png"));
}