96 lines
3.9 KiB
Java
96 lines
3.9 KiB
Java
/*
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* Copyright (c) 2007, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.java2d.pipe.hw;
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import java.awt.image.VolatileImage;
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/**
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* Implementors of this interface provida a way to create a
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* {@code VolatileImage} whose destination surface is an
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* {@link AccelSurface} of specified type.
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*
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* @see AccelSurface
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*/
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public interface AccelGraphicsConfig extends BufferedContextProvider {
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/**
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* Returns a VolatileImage with specified width, height, transparency
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* and guaranteed accelerated surface type. If such image can not be created
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* (out of vram error, specific surface type is not supported) null
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* is returned.
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*
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* Note: if {@link AccelSurface#TEXTURE} type is requested, rendering
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* to the image will be denied by throwing
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* {@code UnsupportedOperationException }
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* from {@link java.awt.image.VolatileImage#getGraphics} and
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* {@link java.awt.image.VolatileImage#createGraphics}
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*
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* @param width the width of the returned {@code VolatileImage}
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* @param height the height of the returned {@code VolatileImage}
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* @param transparency the specified transparency mode
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* @param type requested accelerated surface type as specified by constants
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* in AccelSurface interface
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* @return a {@code VolatileImage} backed up by requested accelerated
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* surface type or null
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* @throws IllegalArgumentException if the transparency is not a valid value
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* @see AccelSurface#TEXTURE
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* @see AccelSurface#RT_PLAIN
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* @see AccelSurface#RT_TEXTURE
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*/
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public VolatileImage createCompatibleVolatileImage(int width, int height,
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int transparency,
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int type);
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/**
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* Returns object representing capabilities of the context associated
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* with this {@code AccelGraphicsConfig}.
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*
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* @return ContextCapabilities object representing caps
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* @see ContextCapabilities
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*/
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public ContextCapabilities getContextCapabilities();
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/**
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* Adds an {@code AccelDeviceEventListener} to listen to accelerated
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* device's (which is associated with this {@code AccelGraphicsConfig})
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* events.
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*
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* Note: a hard link to the listener may be kept so it must be explicitly
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* removed via {@link #removeDeviceEventListener()}.
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*
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* @param l the listener
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* @see AccelDeviceEventListener
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*/
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public void addDeviceEventListener(AccelDeviceEventListener l);
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/**
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* Removes an {@code AccelDeviceEventListener} from the list of listeners
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* for this device's events.
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*
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* @param l the listener
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* @see AccelDeviceEventListener
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*/
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public void removeDeviceEventListener(AccelDeviceEventListener l);
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}
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