Example usage for java.awt MediaTracker MediaTracker

Introduction

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

Prototype

public MediaTracker(Component comp) 

Source Link

Document

Creates a media tracker to track images for a given component.

Usage

From source file:DoubleBufferedImage.java

public void init() {
    URL url = null;//  w  w  w. jav a  2  s  .  c  o m
    try {
        url = new URL(imageURLString);
    } catch (MalformedURLException me) {
        showStatus("Malformed URL: " + me.getMessage());
    }

    originalImage = getImage(url);

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(originalImage, 0);
    try {
        mt.waitForID(0);
    } catch (InterruptedException ie) {
    }

    imageWidth = originalImage.getWidth(null);
    imageHeight = originalImage.getHeight(null);

    dbImage = this.createImage(imageWidth, imageHeight);
    dbImageGraphics = dbImage.getGraphics();
}

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From source file:ImageFrame.java

/**
 * Set the image from a file.//ww w  .j  a v  a 2s .  c  o  m
 */
public void setImage(File file) throws IOException {
    // load the image
    Image image = getToolkit().getImage(file.getAbsolutePath());

    // wait for the image to entirely load
    MediaTracker tracker = new MediaTracker(this);
    tracker.addImage(image, 0);
    try {
        tracker.waitForID(0);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }

    if (tracker.statusID(0, true) != MediaTracker.COMPLETE) {
        throw new IOException("Could not load: " + file + " " + tracker.statusID(0, true));
    }

    setTitle(file.getName());
    setImage(image);
}

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From source file:RotateImage45Degrees.java

public RotateImage45Degrees(String imageFile) {
    addNotify();//from  w w  w. j  a  va  2 s.  co m
    frameInsets = getInsets();
    inputImage = Toolkit.getDefaultToolkit().getImage(imageFile);

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(inputImage, 0);
    try {
        mt.waitForID(0);
    } catch (InterruptedException ie) {
    }

    sourceBI = new BufferedImage(inputImage.getWidth(null), inputImage.getHeight(null),
            BufferedImage.TYPE_INT_ARGB);

    Graphics2D g = (Graphics2D) sourceBI.getGraphics();
    g.drawImage(inputImage, 0, 0, null);

    AffineTransform at = new AffineTransform();

    // scale image
    at.scale(2.0, 2.0);

    // rotate 45 degrees around image center
    at.rotate(45.0 * Math.PI / 180.0, sourceBI.getWidth() / 2.0, sourceBI.getHeight() / 2.0);

    /*
     * translate to make sure the rotation doesn't cut off any image data
     */
    AffineTransform translationTransform;
    translationTransform = findTranslation(at, sourceBI);
    at.preConcatenate(translationTransform);

    // instantiate and apply affine transformation filter
    BufferedImageOp bio;
    bio = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);

    destinationBI = bio.filter(sourceBI, null);

    int frameInsetsHorizontal = frameInsets.right + frameInsets.left;
    int frameInsetsVertical = frameInsets.top + frameInsets.bottom;
    setSize(destinationBI.getWidth() + frameInsetsHorizontal, destinationBI.getHeight() + frameInsetsVertical);
    show();
}

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From source file:BufferedImageMouseDrag.java

DisplayCanvas() {
    setBackground(Color.white);//from  ww  w .j  a  v a  2 s  . co m
    setSize(450, 400);
    addMouseMotionListener(new MouseMotionHandler());

    Image image = getToolkit().getImage("largeJava2sLogo.gif");

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(image, 1);
    try {
        mt.waitForAll();
    } catch (Exception e) {
        System.out.println("Exception while loading image.");
    }

    if (image.getWidth(this) == -1) {
        System.out.println("no gif file");
        System.exit(0);
    }

    bi = new BufferedImage(image.getWidth(this), image.getHeight(this), BufferedImage.TYPE_INT_ARGB);
    Graphics2D big = bi.createGraphics();
    big.drawImage(image, 0, 0, this);
}

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From source file:ClipImage.java

public void init() {
    img = getImage(getURL("largeJava2sLogo.GIF"));
    try {//from   ww  w. j  a  v  a  2s . c  o m
        MediaTracker tracker = new MediaTracker(this);
        tracker.addImage(img, 0);
        tracker.waitForID(0);
    } catch (Exception e) {
    }
}

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From source file:SplashScreen.java

/**
 * Create a new splash screen object of the specified image.
 * The image file is located and referred to through the deployment, not
 * the local file system; A typical value might be "/com/company/splash.jpg".
 * /*from   ww w .j av a 2  s  . c  o m*/
 * @param imageFileName  Name of image file resource to act as splash screen.
 */
public SplashScreen(String imageFileName) {
    super(new Frame());

    try {
        Toolkit toolkit = Toolkit.getDefaultToolkit();

        URL imageUrl = getClass().getResource(imageFileName);
        image_ = toolkit.getImage(imageUrl);

        MediaTracker mediaTracker = new MediaTracker(this);
        mediaTracker.addImage(image_, 0);
        mediaTracker.waitForID(0);

        width_ = image_.getWidth(this);
        height_ = image_.getHeight(this);

        Dimension screenSize = toolkit.getScreenSize();

        x_ = (screenSize.width - width_) / 2;
        y_ = (screenSize.height - height_) / 2;
    } catch (Exception exception) {
        exception.printStackTrace();
        image_ = null;
    }
}

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From source file:SlidePuzzle.java

public void run() {
    if (!m_fAllLoaded) {
        m_Graphics = getGraphics();
        MediaTracker tracker = new MediaTracker(this);
        logo = getImage(getDocumentBase(), "vjlogo.gif");
        tracker.addImage(logo, 0);/*from   w w w .j a  va  2 s.  co  m*/

        try {
            tracker.waitForAll();
            m_fAllLoaded = !tracker.isErrorAny();
        } catch (InterruptedException e) {
        }

        if (!m_fAllLoaded) {
            stop();
            m_Graphics.drawString("Error loading images!", 10, 40);
            return;
        }
    }

    //Clear the screen and draw first image
    repaint();

    //Move the squares
    while (true) {
        for (x = 1; x < 9; x++) {
            //Slow down the animation
            try {
                Thread.sleep(350);
            } catch (InterruptedException e) {
            }

            //Move square to next location

            m_Graphics.copyArea(squares[order[x]].x, squares[order[x]].y, 60, 60,
                    squares[order[x - 1]].x - squares[order[x]].x,
                    squares[order[x - 1]].y - squares[order[x]].y);

            //Clear most recently copied square

            m_Graphics.clearRect(squares[order[x]].x, squares[order[x]].y, 60, 60);
        }

        //Repaint original graphic after two cycles
        y++;
        if (y == 2) {
            repaint();
            y = 0;
        }
    }
}

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From source file:eu.planets_project.tb.impl.data.util.ImageThumbnail.java

/**
 * Create a reduced jpeg version of an image. The width/height ratio is
 * preserved./*from  w ww  .  ja  v  a  2 s. com*/
 * 
 * @param data
 *            raw data of the image
 * @param thumbWidth
 *            maximum width of the reduced image
 * @param thumbHeight
 *            maximum heigth of the reduced image
 * @param quality
 *            jpeg quality of the reduced image
 * @param out
 *            produce a reduced jpeg image if the image represented by data
 *            is bigger than the maximum dimensions of the reduced image,
 *            otherwise data is written to this stream
 */
public static void createThumb(byte[] data, int thumbWidth, int thumbHeight, OutputStream out)
        throws Exception {
    // NOTE that this support JPEG, PNG or GIF only.
    Image image = Toolkit.getDefaultToolkit().createImage(data);
    MediaTracker mediaTracker = new MediaTracker(new Frame());
    int trackID = 0;
    mediaTracker.addImage(image, trackID);
    mediaTracker.waitForID(trackID);
    if (image.getWidth(null) <= thumbWidth && image.getHeight(null) <= thumbHeight)
        out.write(data);
    else
        createThumb(image, thumbWidth, thumbHeight, out);
}

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From source file:BufferedImageThread.java

AnimationCanvas() {
    setBackground(Color.green);// w  w  w  .  ja v a  2s.  c o  m
    setSize(450, 400);

    image = getToolkit().getImage("largeJava2sLogo.gif");

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(image, 1);
    try {
        mt.waitForAll();
    } catch (Exception e) {
        System.out.println("Exception while loading image.");
    }

    if (image.getWidth(this) == -1) {
        System.out.println("No gif file");
        System.exit(0);
    }

    rotate = (int) (Math.random() * 360);
    scale = Math.random() * 1.5;
    scaleDirection = DOWN;

    xi = 50.0;
    yi = 50.0;

}

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From source file:RasterDemo.java

RasterPanel() {
    setBackground(Color.white);//from   www  .  ja v a 2 s .co  m
    setSize(450, 400);

    Image image = getToolkit().getImage("largeJava2sLogo.jpg");

    MediaTracker mt = new MediaTracker(this);
    mt.addImage(image, 1);
    try {
        mt.waitForAll();
    } catch (Exception e) {
        System.out.println("Exception while loading image.");
    }

    if (image.getWidth(this) == -1) {
        System.out.println("No jpg file");
        System.exit(0);
    }

    bi1 = new BufferedImage(image.getWidth(this), image.getHeight(this), BufferedImage.TYPE_INT_ARGB);
    Graphics2D big = bi1.createGraphics();
    big.drawImage(image, 0, 0, this);
    bi = bi1;
}

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