Example usage for java.awt Graphics dispose

Introduction

In this page you can find the example usage for java.awt Graphics dispose.

Prototype

public abstract void dispose();

Source Link

Document

Disposes of this graphics context and releases any system resources that it is using.

Usage

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);//from ww w  . j  a v a2 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 bi;//from   ww w. jav a2 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[] 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  ww . j a v a2  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 {
    int size = 120;
    int pad = 10;
    BufferedImage bi = new BufferedImage(size, size, BufferedImage.TYPE_INT_RGB);
    Graphics g = bi.createGraphics();
    g.setColor(Color.WHITE);/*from  ww w. j  ava  2s  .c  o m*/
    g.fillRect(0, 0, size, size);
    g.setColor(Color.YELLOW);
    g.fillOval(pad, pad, size - (2 * pad), size - (2 * pad));
    g.dispose();

    BufferedImage image2 = new BufferedImage(bi.getWidth(), bi.getHeight(), BufferedImage.TYPE_BYTE_GRAY);

    ColorConvertOp op = new ColorConvertOp(bi.getColorModel().getColorSpace(),
            image2.getColorModel().getColorSpace(), null);
    op.filter(bi, image2);
    ImageIO.write(image2, "png", new File("c:/Java_Dev/image2.png"));
}

From source file:FullScreen.java

public static void main(String args[]) {
    GraphicsEnvironment graphicsEnvironment = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice graphicsDevice = graphicsEnvironment.getDefaultScreenDevice();
    DisplayMode originalDisplayMode = graphicsDevice.getDisplayMode();

    try {//from  www .  j  a v a  2s. c  o  m
        Frame frame = new Frame();
        frame.setUndecorated(true);
        frame.setIgnoreRepaint(true);
        graphicsDevice.setFullScreenWindow(frame);
        if (graphicsDevice.isDisplayChangeSupported()) {
            graphicsDevice.setDisplayMode(getBestDisplayMode(graphicsDevice));
        }
        frame.createBufferStrategy(2); // 2 buffers
        Rectangle bounds = frame.getBounds();
        BufferStrategy bufferStrategy = frame.getBufferStrategy();
        while (!done()) {
            Graphics g = null;
            try {
                g = bufferStrategy.getDrawGraphics();
                if ((counter <= 2)) { // 2 buffers
                    g.setColor(Color.CYAN);
                    g.fillRect(0, 0, bounds.width, bounds.height);
                }
                g.setColor(Color.RED);
                // redraw prior line, too, since 2 buffers
                if (counter != 1) {
                    g.drawLine(counter - 1, (counter - 1) * 5, bounds.width, bounds.height);
                }
                g.drawLine(counter, counter * 5, bounds.width, bounds.height);
                bufferStrategy.show();
            } finally {
                if (g != null) {
                    g.dispose();
                }
            }
            try {
                Thread.sleep(250);
            } catch (InterruptedException ignored) {
            }
        }
    } finally {
        graphicsDevice.setDisplayMode(originalDisplayMode);
        graphicsDevice.setFullScreenWindow(null);
    }
    System.exit(0);
}

From source file:Util.java

/**
 * Converts an Image to a BufferedImage//from   w  w  w  . j av a 2s .co  m
 */
public static BufferedImage convertToBufferedImg(Image im) {
    BufferedImage bi = new BufferedImage(im.getWidth(null), im.getHeight(null), BufferedImage.TYPE_INT_ARGB);
    Graphics bg = bi.getGraphics();
    bg.drawImage(im, 0, 0, null);
    bg.dispose();
    return bi;
}

From source file:Main.java

public static BufferedImage convert2grey(BufferedImage image) {
    BufferedImage grey = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
    Graphics g = grey.getGraphics();
    g.drawImage(image, 0, 0, null);/*from  ww w  .j a  v  a  2 s. co  m*/
    g.dispose();
    BufferedImage rgb = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_INT_RGB);
    g = rgb.getGraphics();
    g.drawImage(grey, 0, 0, null);
    g.dispose();
    return rgb;
}

From source file:BufferedImages.java

/**
 * Returns a {@link BufferedImage} with the specified image type, where the
 * graphical content is a copy of the specified image.
 * //  www  .java2  s .  c o  m
 * @param img      The image to copy.
 * @param imageType   The image type for the image to return.
 * @return         A copy of the specified image.
 */
public static BufferedImage copy(BufferedImage img, int imageType) {
    int width = img.getWidth();
    int height = img.getHeight();

    BufferedImage newImage = new BufferedImage(width, height, imageType);
    Graphics g = newImage.createGraphics();

    g.drawImage(img, 0, 0, null);

    g.dispose();

    return newImage;
}

From source file:Main.java

/**
 * Gets a "spacer" pixel for use./* w ww.  ja va2 s .c o m*/
 * @return
 */
public static BufferedImage create1x1Pixel() {
    BufferedImage b = new BufferedImage(1, 1, BufferedImage.TYPE_INT_RGB);
    Graphics g = b.getGraphics();
    g.setColor(Color.white);
    g.fillRect(0, 0, 2, 2);
    g.dispose();
    return b;
}

From source file:Main.java

public static ImageIcon createImage() {
    BufferedImage image = new BufferedImage(28, 28, BufferedImage.TYPE_INT_ARGB);
    Graphics g = image.getGraphics();
    g.setColor(Color.RED);//w  ww.  j  a  va2 s . c o m
    g.fillRect(0, 0, 32, 32);
    g.dispose();
    return new ImageIcon(image);
}