Examples with MediaTracker java.awt.MediaTracker used on opensource projects

Example 21 with MediaTracker

use of java.awt.MediaTracker in project processdash by dtuma.

the class DashboardIconFactory method selectImageClosestToSize.

/** 
     * From a list of images, select the one that is closest to the preferred
     * size.
     * 
     *
     * 
     * @param images a list of images to choose from.
     * @param preferredSize
     * @return
     */
public static Image selectImageClosestToSize(Collection<? extends Image> images, int preferredSize, boolean preferSmaller) {
    // if no images were provided, return null.
    if (images == null || images.isEmpty())
        return null;
    // for our purposes, the images will almost always be loaded in full
    // by the time this method is called.  But it doesn't hurt to make
    // certain that they are ready to go.
    JLabel bogusImageObserver = new JLabel();
    MediaTracker t = new MediaTracker(bogusImageObserver);
    int id = 0;
    for (Image i : images) t.addImage(i, id++);
    try {
        t.waitForAll();
    } catch (InterruptedException e) {
    }
    // keep track of the "too big" image closest to the preferred size
    Image bigResult = null;
    int bigDelta = 1000;
    // keep track of the "too small" image closest to the preferred size
    Image smallResult = null;
    int smallDelta = 1000;
    // iterate over the images looking for the best match.
    for (Image image : images) {
        int size = Math.max(image.getWidth(bogusImageObserver), image.getHeight(bogusImageObserver));
        if (size < 0)
            // -1 even after the MediaTracker said it was completely loaded.
            continue;
        else if (size == preferredSize)
            // we've found a perfect match!  Return it.
            return image;
        else if (size < preferredSize) {
            // this image is too small.  But see if it is closer to the
            // preferred size than the best small image we've seen so far.
            int delta = preferredSize - size;
            if (delta < smallDelta) {
                smallResult = image;
                smallDelta = delta;
            }
        } else {
            // this image is too big.  But see if it is closer to the
            // preferred size than the best big image we've seen so far.
            int delta = size - preferredSize;
            if (delta < bigDelta) {
                bigResult = image;
                bigDelta = delta;
            }
        }
    }
    if (preferSmaller) {
        return (smallResult != null ? smallResult : bigResult);
    } else {
        return (bigResult != null ? bigResult : smallResult);
    }
}

Example 22 with MediaTracker

use of java.awt.MediaTracker in project beast2 by CompEvol.

the class Utils6 method startSplashScreen.

/*
        This could live in the desktop script.
        However we'd like to get it on the screen as quickly as possible.
    */
public static void startSplashScreen() {
    Image img = getIcon("beast/app/draw/icons/beauti.png").getImage();
    int width = 2 * img.getWidth(null), height = img.getHeight(null);
    Window win = new Window(new Frame());
    win.pack();
    can = new Canvas();
    // why is this necessary?
    can.setSize(width, height);
    Toolkit tk = Toolkit.getDefaultToolkit();
    Dimension dim = tk.getScreenSize();
    win.setBounds(dim.width / 2 - width / 2, dim.height / 2 - height / 2, width, height);
    win.add("Center", can);
    // Image img=tk.getImage(
    // Utils.class.getResource("beast.png") ); //what
    MediaTracker mt = new MediaTracker(can);
    mt.addImage(img, 0);
    try {
        mt.waitForAll();
    } catch (Exception e) {
    }
    Graphics gr = can.getBufferedGraphics();
    gr.drawImage(img, width / 4, 0, can);
    win.setVisible(true);
    win.toFront();
    splashScreen = win;
}

Example 23 with MediaTracker

use of java.awt.MediaTracker in project cytoscape-impl by cytoscape.

the class ImageUtil method toBufferedImage.

public static BufferedImage toBufferedImage(final Image image) throws InterruptedException {
    if (image instanceof BufferedImage)
        return (BufferedImage) image;
    MediaTracker tracker = new MediaTracker(new Component() {
    });
    tracker.addImage(image, 0);
    tracker.waitForAll();
    PixelGrabber pixelGrabber = new PixelGrabber(image, 0, 0, -1, -1, false);
    pixelGrabber.grabPixels();
    ColorModel cm = pixelGrabber.getColorModel();
    final int w = pixelGrabber.getWidth();
    final int h = pixelGrabber.getHeight();
    WritableRaster raster = cm.createCompatibleWritableRaster(w, h);
    final BufferedImage renderedImage = new BufferedImage(cm, raster, cm.isAlphaPremultiplied(), new Hashtable());
    renderedImage.getRaster().setDataElements(0, 0, w, h, pixelGrabber.getPixels());
    return renderedImage;
}

Example 24 with MediaTracker

use of java.awt.MediaTracker in project triplea by triplea-game.

the class TileImageBreaker method loadImage.

/**
 * Asks the user to select an image and then it loads it up into an Image
 * object and returns it to the calling class.
 *
 * @return The loaded image.
 */
private Image loadImage() {
    ToolLogger.info("Select the map");
    final String mapName = new FileOpen("Select The Map", mapFolderLocation, ".gif", ".png").getPathString();
    if (mapName != null) {
        final Image img = Toolkit.getDefaultToolkit().createImage(mapName);
        final MediaTracker tracker = new MediaTracker(new Panel());
        tracker.addImage(img, 1);
        try {
            tracker.waitForAll();
            return img;
        } catch (final InterruptedException e) {
            Thread.currentThread().interrupt();
        }
    }
    return null;
}

Example 25 with MediaTracker

use of java.awt.MediaTracker in project triplea by triplea-game.

the class Util method ensureImageLoaded.

public static void ensureImageLoaded(final Image anImage) {
    final MediaTracker tracker = new MediaTracker(component);
    tracker.addImage(anImage, 1);
    try {
        tracker.waitForAll();
        tracker.removeImage(anImage);
    } catch (final InterruptedException ignored) {
        Thread.currentThread().interrupt();
    }
}