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ImageCapabilities.java: Document.

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2005-05-04  Thomas Fitzsimmons  <fitzsim@redhat.com>

	* java/awt/ImageCapabilities.java: Document.

	* java/awt/image/VolatileImage.java: Unindent copyright header.

From-SVN: r99224
This commit is contained in:
Thomas Fitzsimmons 2005-05-04 18:25:37 +00:00 • committed by Thomas Fitzsimmons
parent 1351ec8243
commit d1ca2cfe44
3 changed files with 78 additions and 35 deletions
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47
libjava/java/awt/ImageCapabilities.java
View file

@ -1,5 +1,5 @@
/* ImageCapabilities.java --
Copyright (C) 2002 Free Software Foundation, Inc.
/* ImageCapabilities.java -- the capabilities of an image buffer
Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -39,23 +39,60 @@ exception statement from your version. */
package java.awt;
/**
* STUBS ONLY
* This class represents the capabilities of an image buffer. An
* image buffer may be backed by accelerated graphics resources.
* Those resources may or may not be volatile. This class is used to
* describe these image buffer characteristics.
*/
public class ImageCapabilities implements Cloneable
{
/**
* Whether or not this the image buffer uses accelerated graphics
* resources.
*/
private final boolean accelerated;
/**
* Create a new image capability descriptor.
*
* @param accelerated true if the image buffer uses accelerated
* graphics resources
*/
public ImageCapabilities(boolean accelerated)
{
this.accelerated = accelerated;
}
/**
* Returns whether or not the image buffer uses accelerated graphics
* resources.
*
* @return true if the image buffer uses accelerated graphics
* resources; false otherwise
*/
public boolean isAccelerated()
{
return accelerated;
}
/**
* Returns whether or not the image buffer's resources are volatile,
* meaning that they can be reclaimed by the graphics system at any
* time.
*
* @return true if the image buffer's resources are volatile; false
* otherwise
*/
public boolean isTrueVolatile()
{
return true;
}
/**
* Clone this image capability descriptor.
*
* @return a clone of this image capability descriptor
*/
public Object clone()
{
try
@ -64,7 +101,7 @@ public class ImageCapabilities implements Cloneable
}
catch (CloneNotSupportedException e)
{
throw (Error) new InternalError().initCause(e); // Impossible
throw (Error) new InternalError().initCause(e);
}
}
} // class ImageCapabilities
}