Example usage for java.awt.image BufferedImage BufferedImage

List of usage examples for java.awt.image BufferedImage BufferedImage

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Introduction

In this page you can find the example usage for java.awt.image BufferedImage BufferedImage.

Prototype

public BufferedImage(int width, int height, int imageType)

Source Link

Document

Constructs a BufferedImage of one of the predefined image types.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    ImageIcon ii = new ImageIcon("C:/Java_Dev/test.jpg");
    BufferedImage bi = new BufferedImage(50, 50, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = (Graphics2D) bi.createGraphics();
    g2d.addRenderingHints(//www  . j  av  a  2s  . com
            new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));
    boolean b = g2d.drawImage(ii.getImage(), 0, 0, 50, 50, null);
    System.out.println(b);
    ImageIO.write(bi, "jpg", new File("C:/Java_Dev/test.jpg"));
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    Image img = new ImageIcon("test.png").getImage();

    BufferedImage bufferedImage = new BufferedImage(img.getWidth(null), img.getHeight(null),
            BufferedImage.TYPE_INT_RGB);

    Graphics g = bufferedImage.createGraphics();
    g.drawImage(img, 0, 0, null);//  w  w  w  .j  a  v  a 2  s.  co  m
    g.dispose();

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

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage bufferedImage = ImageIO.read(new File("a.jpg"));
    BufferedImage destinationBufferedImage = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
    Graphics2D g = destinationBufferedImage.createGraphics();
    AffineTransform at = AffineTransform.getScaleInstance(2, 2);
    g.drawRenderedImage(bufferedImage, at);
    ImageIO.write(destinationBufferedImage, "JPG", new File("b.jpg"));
}

From source file:Main.java

static public void main(String args[]) throws Exception {
    int width = 200, height = 200;
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    Graphics2D ig2 = bi.createGraphics();
    ig2.fillRect(0, 0, width - 1, height - 1);

    BasicStroke stroke = new BasicStroke(10, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
    ig2.setPaint(Color.lightGray);
    ig2.setStroke(stroke);// w  ww .ja v a2  s .  co  m
    ig2.draw(new Ellipse2D.Double(0, 0, 100, 100));

    ImageIO.write(bi, "GIF", new File("a.gif"));
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage bi;//www  .  j a v a 2 s. c  o  m
    bi = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.getGraphics();
    for (int i = 0; i < NUM_ITER; i++) {
        g.setColor(Color.RED);
        g.drawLine(1, 2, i, i + 1);
    }
    g.dispose();
    ImageIO.write(bi, "gif", new File("image.gif"));
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    int width = 100;
    int height = 100;

    BufferedImage bufferedImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

    Graphics2D g2d = bufferedImage.createGraphics();

    g2d.setColor(Color.white);//ww w  .  j  a v a  2  s  .c om
    g2d.fillRect(0, 0, width, height);
    g2d.setColor(Color.black);
    g2d.fillOval(0, 0, width, height);

    g2d.dispose();
    RenderedImage rendImage = bufferedImage;

    File file = new File("newimage.png");
    ImageIO.write(rendImage, "png", file);

    file = new File("newimage.jpg");
    ImageIO.write(rendImage, "jpg", file);
}

From source file:Main.java

static public void main(String args[]) throws Exception {
    int width = 200, height = 200;
    BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    Graphics2D ig2 = bi.createGraphics();
    ig2.fillRect(0, 0, width - 1, height - 1);

    Iterator imageWriters = ImageIO.getImageWritersByFormatName("GIF");
    ImageWriter imageWriter = (ImageWriter) imageWriters.next();
    File file = new File("filename.gif");
    ImageOutputStream ios = ImageIO.createImageOutputStream(file);
    imageWriter.setOutput(ios);//  w  w  w .j a v a  2 s  . c  o  m
    imageWriter.write(bi);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    int size = 200;
    BufferedImage image = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);

    Graphics2D g = image.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.setColor(Color.BLUE);// w ww.ja v  a2s  .c  o m
    for (int i = 0; i < size; i += 5) {
        g.drawOval(i, i, size - i, size - i);
    }
    g.dispose();

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(image, "png", baos);

    String data = DatatypeConverter.printBase64Binary(baos.toByteArray());
    String imageString = "data:image/png;base64," + data;
    String html = "<html><body><img src='" + imageString + "'></body></html>";
    System.out.println(html);
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    BufferedImage master = ImageIO.read(new URL("http://www.java2s.com/style/download.png"));
    BufferedImage gray = new BufferedImage(master.getWidth(), master.getHeight(), BufferedImage.TYPE_INT_ARGB);

    ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
    op.filter(master, gray);/*from w ww. j a  va 2s  . c  om*/

    // new JLabel(new ImageIcon(master));
    // new JLabel(new ImageIcon(gray));
    ImageIO.write(master, "png", new File("c:/Java_Dev/master.png"));
    ImageIO.write(gray, "png", new File("c:/Java_Dev/gray.png"));
}

From source file:Main.java

public static void main(String[] args) {
    final int width = 512;
    final int height = 512;
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
    Graphics g = img.getGraphics();
    g.setColor(Color.black);//from   w w w. j  a v a  2 s. c o m
    g.fillRect(0, 0, width, height);
    g.setColor(Color.white);
    final double A = 8;
    final double B = 0.5;
    final double N = 4;
    final double scale = 128;
    final double zoom = 50;
    final double step = 1 / scale;
    Point last = null;
    final Point origin = new Point(width / 2, height / 2);

    for (double t = 0; t <= 2 * Math.PI; t += step) {
        final double r = zoom * polarFunction(t, A, B, N);
        final int x = (int) Math.round(r * Math.cos(t));
        final int y = (int) Math.round(r * Math.sin(t));
        Point next = new Point(x, y);
        if (last != null) {
            g.drawLine(origin.x + last.x, origin.y + last.y, origin.x + next.x, origin.y + next.y);
        }
        last = next;
    }

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(new JLabel(new ImageIcon(img)));
    frame.pack();
    frame.setVisible(true);
}