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Java Source Code / Java Documentation » 6.0 JDK Core » AWT » java.awt 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.awt.BufferCapabilities

BufferCapabilities
public class BufferCapabilities implements Cloneable(Code)
Capabilities and properties of buffers.
See Also:   java.awt.image.BufferStrategy.getCapabilities
See Also:   GraphicsConfiguration.getBufferCapabilities
author:
   Michael Martak
since:
   1.4

Inner Class :final public static class FlipContents extends AttributeValue


Constructor Summary
public  BufferCapabilities(ImageCapabilities frontCaps, ImageCapabilities backCaps, FlipContents flipContents)
    

Method Summary
public  Objectclone()
    
public  ImageCapabilitiesgetBackBufferCapabilities()
    
public  FlipContentsgetFlipContents()
     the resulting contents of the back buffer after page-flipping.This value is null when the isPageFlippingreturns false, implying blitting.
public  ImageCapabilitiesgetFrontBufferCapabilities()
    
public  booleanisFullScreenRequired()
     whether page flipping is only available in full-screen mode.
public  booleanisMultiBufferAvailable()
    
public  booleanisPageFlipping()
     whether or not the buffer strategy uses page flipping; a set ofbuffers that uses page flippingcan swap the contents internally between the front buffer and one ormore back buffers by switching the video pointer (or by copying memoryinternally).


Constructor Detail
BufferCapabilities
public BufferCapabilities(ImageCapabilities frontCaps, ImageCapabilities backCaps, FlipContents flipContents)(Code)
Creates a new object for specifying buffering capabilities
Parameters:
  frontCaps - the capabilities of the front buffer; cannot benull
Parameters:
  backCaps - the capabilities of the back and intermediate buffers;cannot be null
Parameters:
  flipContents - the contents of the back buffer after page-flipping,null if page flipping is not used (implies blitting)
exception:
  IllegalArgumentException - if frontCaps or backCaps arenull




Method Detail
clone
public Object clone()(Code)
a copy of this BufferCapabilities object.



getBackBufferCapabilities
public ImageCapabilities getBackBufferCapabilities()(Code)
the image capabilities of all back buffers (intermediate buffersare considered back buffers)



getFlipContents
public FlipContents getFlipContents()(Code)
the resulting contents of the back buffer after page-flipping.This value is null when the isPageFlippingreturns false, implying blitting. It can be one ofFlipContents.UNDEFINED(the assumed default), FlipContents.BACKGROUND,FlipContents.PRIOR, orFlipContents.COPIED.
See Also:   BufferCapabilities.isPageFlipping
See Also:   FlipContents.UNDEFINED
See Also:   FlipContents.BACKGROUND
See Also:   FlipContents.PRIOR
See Also:   FlipContents.COPIED



getFrontBufferCapabilities
public ImageCapabilities getFrontBufferCapabilities()(Code)
the image capabilities of the front (displayed) buffer



isFullScreenRequired
public boolean isFullScreenRequired()(Code)
whether page flipping is only available in full-screen mode. If thisis true, full-screen exclusive mode is required forpage-flipping.
See Also:   BufferCapabilities.isPageFlipping
See Also:   GraphicsDevice.setFullScreenWindow



isMultiBufferAvailable
public boolean isMultiBufferAvailable()(Code)
whether or notpage flipping can be performed using more than two buffers (one or moreintermediate buffers as well as the front and back buffer).
See Also:   BufferCapabilities.isPageFlipping



isPageFlipping
public boolean isPageFlipping()(Code)
whether or not the buffer strategy uses page flipping; a set ofbuffers that uses page flippingcan swap the contents internally between the front buffer and one ormore back buffers by switching the video pointer (or by copying memoryinternally). A non-flipping set ofbuffers uses blitting to copy the contents from one buffer toanother; when this is the case, getFlipContents returnsnull



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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