Java Code Examples for java.awt.Window#setBackground()

The following examples show how to use java.awt.Window#setBackground() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: BackgroundIsNotUpdated.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 2
Source File: BackgroundIsNotUpdated.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 3
Source File: BackgroundIsNotUpdated.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 4
Source File: BackgroundIsNotUpdated.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 5
Source File: BackgroundIsNotUpdated.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 6
Source File: BackgroundIsNotUpdated.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 7
Source File: BackgroundIsNotUpdated.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 8
Source File: BackgroundIsNotUpdated.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up
public static void main(final String[] args) throws AWTException {
    final Window window = new BackgroundIsNotUpdated(null);
    window.setSize(300, 300);
    window.setLocationRelativeTo(null);
    window.setVisible(true);
    sleep();
    window.setBackground(Color.GREEN);
    sleep();
    final Robot robot = new Robot();
    robot.setAutoDelay(200);
    Point point = window.getLocationOnScreen();
    Color color = robot.getPixelColor(point.x + window.getWidth() / 2,
                                      point.y + window.getHeight() / 2);
    window.dispose();
    if (!color.equals(Color.GREEN)) {
        throw new RuntimeException(
                "Expected: " + Color.GREEN + " , Actual: " + color);
    }
}
 
Example 9
Source File: OfficialApi.java    From 07kit with GNU General Public License v3.0 5 votes vote down vote up
public void setWindowOpaque(Window window, boolean isOpaque) {
	// prevent setting if not supported
	if(!isTranslucencyCapable(window.getGraphicsConfiguration()) ||
			!isTranslucencySupported(Translucency.PERPIXEL_TRANSLUCENT, window.getGraphicsConfiguration().getDevice())) {
		return;
	}
	final Color background = window.getBackground();
	final int alpha = isOpaque ? OPAQUE : NOT_OPAQUE;
	window.setBackground(new Color(background.getRed(), background.getGreen(), background.getBlue(), alpha));
}
 
Example 10
Source File: FullScreenInsets.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 11
Source File: FullScreenInsets.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 12
Source File: FullScreenInsets.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 13
Source File: FullScreenInsets.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 14
Source File: FullScreenInsets.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 15
Source File: FullScreenInsets.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 16
Source File: FullScreenInsets.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 17
Source File: FullScreenInsets.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 18
Source File: FullScreenInsets.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 19
Source File: FullScreenInsets.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up
public static void main(final String[] args) {
    final GraphicsEnvironment ge = GraphicsEnvironment
            .getLocalGraphicsEnvironment();
    final GraphicsDevice[] devices = ge.getScreenDevices();

    final Window wGreen = new Frame();
    wGreen.setBackground(Color.GREEN);
    wGreen.setSize(300, 300);
    wGreen.setVisible(true);
    sleep();
    final Insets iGreen = wGreen.getInsets();
    final Dimension sGreen = wGreen.getSize();

    final Window wRed = new Frame();
    wRed.setBackground(Color.RED);
    wRed.setSize(300, 300);
    wRed.setVisible(true);
    sleep();
    final Insets iRed = wGreen.getInsets();
    final Dimension sRed = wGreen.getSize();

    for (final GraphicsDevice device : devices) {
        if (!device.isFullScreenSupported()) {
            continue;
        }
        device.setFullScreenWindow(wGreen);
        sleep();
        testWindowBounds(device.getDisplayMode(), wGreen);
        testColor(wGreen, Color.GREEN);

        device.setFullScreenWindow(wRed);
        sleep();
        testWindowBounds(device.getDisplayMode(), wRed);
        testColor(wRed, Color.RED);

        device.setFullScreenWindow(null);
        sleep();
        testInsets(wGreen.getInsets(), iGreen);
        testInsets(wRed.getInsets(), iRed);
        testSize(wGreen.getSize(), sGreen);
        testSize(wRed.getSize(), sRed);
    }
    wGreen.dispose();
    wRed.dispose();
    if (!passed) {
        throw new RuntimeException("Test failed");
    }
}
 
Example 20
Source File: WindowUtils.java    From seaglass with Apache License 2.0 3 votes vote down vote up
/**
 * Tries to make the given {@link Window} non-opqaue (transparent) across
 * platforms and JREs. This method is not guaranteed to succeed, and will
 * fail silently if the given {@code Window} cannot be made non-opaque.
 *
 * <p>This method is useful, for example, when creating a HUD style window
 * that is semi-transparent, and thus doesn't want the window background to
 * be drawn.</p>
 *
 * @param window the {@code Window} to make non-opaque.
 */
public static void makeWindowNonOpaque(Window window) {
    if (PlatformUtils.isJava6()) {
        // on non-mac platforms, try to use the facilities of Java 6 update 10.
        if (!PlatformUtils.isMac()) {
            quietlyTryToMakeWindowNonOqaque(window);
        } else {
            window.setBackground(UIManager.getColor("seaGlassTransparent"));
        }
    }
}