-/* 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.
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
}
catch (CloneNotSupportedException e)
{
- throw (Error) new InternalError().initCause(e); // Impossible
+ throw (Error) new InternalError().initCause(e);
}
}
-} // class ImageCapabilities
+}
/* VolatileImage.java -- a hardware-accelerated image buffer
Copyright (C) 2002, 2005 Free Software Foundation, Inc.
- This file is part of GNU Classpath.
-
- GNU Classpath is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- GNU Classpath is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNU Classpath; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA.
-
- Linking this library statically or dynamically with other modules is
- making a combined work based on this library. Thus, the terms and
- conditions of the GNU General Public License cover the whole
- combination.
-
- As a special exception, the copyright holders of this library give you
- permission to link this library with independent modules to produce an
- executable, regardless of the license terms of these independent
- modules, and to copy and distribute the resulting executable under
- terms of your choice, provided that you also meet, for each linked
- independent module, the terms and conditions of the license of that
- module. An independent module is a module which is not derived from
- or based on this library. If you modify this library, you may extend
- this exception to your version of the library, but you are not
- obligated to do so. If you do not wish to do so, delete this
- exception statement from your version. */
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
package java.awt.image;
* VolatileImages are typically optimized for writing.
*
* @return an ImageProducer for a static BufferedImage snapshot of
- * this image buffer.
+ * this image buffer
*/
public ImageProducer getSource()
{
* Returns the transparency type of this image.
*
* @return Transparency.OPAQUE, Transparency.BITMASK or
- * Transparency.TRANSLUCENT.
+ * Transparency.TRANSLUCENT
*/
public int getTransparency()
{
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