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

          .getLocalGraphicsEnvironment();
      // dual head, use first screen
      if (ge.getScreenDevices().length > 1) {
        try {
          GraphicsDevice gd = ge.getDefaultScreenDevice();
          GraphicsConfiguration config = gd.getConfigurations()[0];
          frameD = config.getBounds().getSize();
          framePos = config.getBounds().getLocation();
        } catch (RuntimeException e) {
          frameD = Toolkit.getDefaultToolkit().getScreenSize();
          framePos = new Point(0, 0);
        }
      }

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     *
     * @param bounds
     * @return BufferedImage
     */
    private BufferedImage getImage(Rectangle bounds) {
      GraphicsConfiguration gc = getGraphicsConfiguration();
      BufferedImage textImage = gc.createCompatibleImage(bounds.width, bounds.height, Transparency.TRANSLUCENT);
      return textImage;
    }

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   * only if the given component is on the same screen as the cursor. Return
   * null otherwise.
   */
  private static Point getPointerLocation(final Component component) {
    try {
      final GraphicsConfiguration config = component.getGraphicsConfiguration();
      if (config != null) {
        PointerInfo pointer_info = AccessController.doPrivileged(new PrivilegedExceptionAction<PointerInfo>() {
          public PointerInfo run() throws Exception {
            return MouseInfo.getPointerInfo();
          }
        });
        GraphicsDevice device = pointer_info.getDevice();
        if (device == config.getDevice()) {
          return pointer_info.getLocation();
        }
        return null;
      }
    } catch (Exception e) {

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  }
    
    public static int getPreferedBufferedImageType(){
    GraphicsDevice[] graphicsDevices = GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
    GraphicsDevice graphicsDevice = graphicsDevices[0];
    GraphicsConfiguration graphicsConfiguration = graphicsDevice.getConfigurations()[0];
    return graphicsConfiguration.createCompatibleImage(1, 1).getType();
  }

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    }
    
    private void renderVolatileImage(BufferedImage bufferedImage) {
        do {
            int w = bufferedImage.getWidth(), h = bufferedImage.getHeight();
            GraphicsConfiguration gc = getGraphicsConfiguration();
            if (volatileImage == null || volatileImage.getWidth() != w 
                    || volatileImage.getHeight() != h 
                    || volatileImage.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) {
                if (volatileImage != null) {
                    volatileImage.flush();
                }
                volatileImage = gc.createCompatibleVolatileImage(w, h);
                volatileImage.setAccelerationPriority(1.0f);
            }
            // 
            // Now paint the BufferedImage into the accelerated image
            //

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            if (alpha < 1.0f) {
                g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
            }


            if (currentImage != null) {
                GraphicsConfiguration gc = getGraphicsConfiguration();
                // If the GraphicsConfig changed, then change the hints being used
                if (gc.getClass() != graphicsConfigClass) {
                    graphicsConfigClass = gc.getClass();
                    updateRenderingHints(graphicsConfigClass);
                }
                if (!renderingHints.isEmpty()) {
                    g2d.setRenderingHints(renderingHints);
                }

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                boolean hasAlpha)
        {
            GraphicsEnvironment ge = GraphicsEnvironment
                    .getLocalGraphicsEnvironment();
            GraphicsDevice gd = ge.getDefaultScreenDevice();
            GraphicsConfiguration gc = gd.getDefaultConfiguration();
            return gc.createCompatibleImage(width, height,
                    Transparency.TRANSLUCENT);
        }

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            /*
             * throw new Exception();
             */


            // #else
            GraphicsConfiguration config = o.getGraphicsConfiguration();
            GraphicsDevice dev = config.getDevice();
            d = config.getBounds();


            // #endif JAVA1
        } catch (Throwable t) {
        }
        positionComponent(p, c, d);

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      /*
       * throw new Exception();
       */


      // #else
      GraphicsConfiguration config = o.getGraphicsConfiguration();
      GraphicsDevice dev = config.getDevice();
      d = config.getBounds();


      // #endif JAVA1
    } catch (Throwable t) {
    }
    positionComponent(p, c, d);

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            /*
             * throw new Exception();
             */


            // #else
            GraphicsConfiguration config = o.getGraphicsConfiguration();
            GraphicsDevice dev = config.getDevice();
            d = config.getBounds();


            // #endif JAVA1
        } catch (Throwable t) {
        }
        positionComponent(p, c, d);

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