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/*
* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.java2d.pipe.hw;
import java.awt.image.VolatileImage;
/**
* Implementors of this interface provida a way to create a
* {@code VolatileImage} whose destination surface is an
* {@link AccelSurface} of specified type.
*
* @see AccelSurface
*/
public interface AccelGraphicsConfig extends BufferedContextProvider {
/**
* Returns a VolatileImage with specified width, height, transparency
* and guaranteed accelerated surface type. If such image can not be created
* (out of vram error, specific surface type is not supported) null
* is returned.
*
* Note: if {@link AccelSurface#TEXTURE} type is requested, rendering
* to the image will be denied by throwing
* {@code UnsupportedOperationException }
* from {@link java.awt.image.VolatileImage#getGraphics} and
* {@link java.awt.image.VolatileImage#createGraphics}
*
* @param width the width of the returned {@code VolatileImage}
* @param height the height of the returned {@code VolatileImage}
* @param transparency the specified transparency mode
* @param type requested accelerated surface type as specified by constants
* in AccelSurface interface
* @return a {@code VolatileImage} backed up by requested accelerated
* surface type or null
* @throws IllegalArgumentException if the transparency is not a valid value
* @see AccelSurface#TEXTURE
* @see AccelSurface#RT_PLAIN
* @see AccelSurface#RT_TEXTURE
*/
public VolatileImage createCompatibleVolatileImage(int width, int height,
int transparency,
int type);
/**
* Returns object representing capabilities of the context associated
* with this {@code AccelGraphicsConfig}.
*
* @return ContextCapabilities object representing caps
* @see ContextCapabilities
*/
public ContextCapabilities getContextCapabilities();
/**
* Adds an {@code AccelDeviceEventListener} to listen to accelerated
* device's (which is associated with this {@code AccelGraphicsConfig})
* events.
*
* Note: a hard link to the listener may be kept so it must be explicitly
* removed via {@link #removeDeviceEventListener()}.
*
* @param l the listener
* @see AccelDeviceEventListener
*/
public void addDeviceEventListener(AccelDeviceEventListener l);
/**
* Removes an {@code AccelDeviceEventListener} from the list of listeners
* for this device's events.
*
* @param l the listener
* @see AccelDeviceEventListener
*/
public void removeDeviceEventListener(AccelDeviceEventListener l);
}
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