Examples of java.awt.GraphicsConfiguration$DefaultBufferCapabilities

java.awt.GraphicsConfiguration
e gc is a GraphicsConfiguration Rectangle bounds = gc.getBounds(); f.setLocation(10 + bounds.x, 10 + bounds.y);
To determine if your environment is a virtual device environment, call getBounds on all of the GraphicsConfiguration objects in your system. If any of the origins of the returned bounds is not (0, 0), your environment is a virtual device environment.
You can also use getBounds to determine the bounds of the virtual device. To do this, first call getBounds on all of the GraphicsConfiguration objects in your system. Then calculate the union of all of the bounds returned from the calls to getBounds. The union is the bounds of the virtual device. The following code sample calculates the bounds of the virtual device.
```
 {@code Rectangle virtualBounds = new Rectangle(); GraphicsEnvironment ge = GraphicsEnvironment. getLocalGraphicsEnvironment(); GraphicsDevice[] gs = ge.getScreenDevices();}for (int j = 0; j < gs.length; j++)  GraphicsDevice gd = gs[j]; GraphicsConfiguration[] gc = gd.getConfigurations(); for (int i=0; i < gc.length; i++) { virtualBounds = virtualBounds.union(gc[i].getBounds()); } } }
```
@see Window @see Frame @see GraphicsEnvironment @see GraphicsDevice

            px += margin.left;
            pw = Math.max(pw - LEFT_SHIFT - margin.left, listWidth);
        }


        // Calculate the desktop dimensions relative to the combo box.
        GraphicsConfiguration gc = comboBox.getGraphicsConfiguration();
        Point                 p  = new Point();


        SwingUtilities.convertPointFromScreen(p, comboBox);


        if (gc == null) {
            screenBounds = new Rectangle(p, toolkit.getScreenSize());
        } else {


            // Get the screen insets.
            Insets screenInsets = Toolkit.getDefaultToolkit().getScreenInsets(gc);


            screenBounds        =  new Rectangle(gc.getBounds());
            screenBounds.width  -= (screenInsets.left + screenInsets.right);
            screenBounds.height -= (screenInsets.top + screenInsets.bottom);
            screenBounds.x      += screenInsets.left;
            screenBounds.y      += screenInsets.top;
        }

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    }


    private static Integer defaultContrast;
    static Integer getDefaultLCDContrast() {
  if (defaultContrast == null) {
      GraphicsConfiguration gc =
      GraphicsEnvironment.getLocalGraphicsEnvironment().
    getDefaultScreenDevice().getDefaultConfiguration();
  Graphics2D g2d =
      (Graphics2D)(gc.createCompatibleImage(1,1).getGraphics());
  defaultContrast = (Integer)
      g2d.getRenderingHint(RenderingHints.KEY_TEXT_LCD_CONTRAST);
  }
  return defaultContrast;
    }

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                    validatedContents = true;
                }
            }


            // now validate the backbuffer
            GraphicsConfiguration gc = getGraphicsConfiguration_NoClientCode();
            int returnCode =
                backBuffers[backBuffers.length - 1].validate(gc);
            if (returnCode == VolatileImage.IMAGE_INCOMPATIBLE) {
                if (checkSize) {
                    createBackBuffers(backBuffers.length);

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            }
        }
    }


    final GraphicsConfiguration getGraphicsConfiguration_NoClientCode() {
        GraphicsConfiguration graphicsConfig = this.graphicsConfig;
        Container parent = this.parent;
        if (graphicsConfig != null) {
            return graphicsConfig;
        } else if (parent != null) {
            return parent.getGraphicsConfiguration_NoClientCode();

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            // might have been replaced in response to a display change event
            updateInternalBuffers();


            // now validate the backbuffer
            if (drawVBuffer != null) {
                GraphicsConfiguration gc =
                        getGraphicsConfiguration_NoClientCode();
                int returnCode = drawVBuffer.validate(gc);
                if (returnCode == VolatileImage.IMAGE_INCOMPATIBLE) {
                    try {
                        createBuffers(numBuffers, caps);

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    /*
     * Class under test for void JFrame(String, GraphicsConfiguration)
     */
    public void testJFrameStringGraphicsConfiguration() {
        final String title = "Test frame.";
        final GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment()
                .getDefaultScreenDevice().getDefaultConfiguration();
        // test with valid title, valid gc
        // would be nice to test non-default gc here
        frame = new JFrame(title, gc);
        assertEquals("Title is set properly", title, frame.getTitle());

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    /*
     * Class under test for void JFrame(GraphicsConfiguration)
     */
    public void testJFrameGraphicsConfiguration() {
        final GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment()
                .getDefaultScreenDevice().getDefaultConfiguration();
        // test with valid gc
        // would be nice to test non-default gc here
        frame = new JFrame(gc);
        assertEquals("title is empty", "", frame.getTitle());

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        return ret;
    }


    private static BufferedImage checkCompatibility( BufferedImage im ) {
        // obtain the current system graphical settings
        GraphicsConfiguration gfx_config = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().
                getDefaultConfiguration();


        /*
         * if image is already compatible and optimized for current system
         * settings, simply return it
         */
        if ( im.getColorModel().equals( gfx_config.getColorModel() ) ) {
            return im;
        }


        // image is not optimized, so create a new image that is
        BufferedImage new_image = gfx_config.createCompatibleImage(
                im.getWidth(), im.getHeight(), im.getTransparency() );


        // get the graphics context of the new image to draw the old image on
        Graphics2D g2d = (Graphics2D) new_image.getGraphics();

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        this.setMinimumSize(new Dimension(22, 22));
        this.setOpaque(false);
    }


    public void setBuffer() {
        GraphicsConfiguration configuration = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
        vgBuffer = configuration.createCompatibleImage(bw, bh, Transparency.TRANSLUCENT);
    }

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    public static BufferedImage getBufferedImage(Image image, int transparency)
    {
        if (image instanceof BufferedImage)
        return (BufferedImage) image;


        GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
        // BufferedImage bufferedImage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);
        BufferedImage bufferedImage = gc.createCompatibleImage(100, 80, transparency);




        Graphics g = bufferedImage.createGraphics();
        g.drawImage(image, 0, 0, null);
        g.dispose();

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