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72 lines
2.7 KiB
Java
72 lines
2.7 KiB
Java
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/* Composite.java -- the context for compositing graphics layers
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt;
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import java.awt.image.Raster;
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import java.awt.image.WritableRaster;
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/**
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* This interface provides an optimized environment for compositing graphics.
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* Several such contexts may exist for a given <code>Composite</code> object.
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*
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* @author Eric Blake <ebb9@email.byu.edu>
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* @see Composite
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* @since 1.2
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* @status updated to 1.4
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*/
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public interface CompositeContext
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{
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/**
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* Release resources allocated for the compositing.
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*/
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void dispose();
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/**
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* Compose the two source images into the composite image. The destination
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* can be the same as one of the two inputs, and the destination must be
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* compatible with the ColorModel chosen in {@link Composite#createContext}.
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*
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* @param src the lower image source in compositing
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* @param dstIn the upper image source in compositing
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* @param dstOut the destination for the composite
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* @see Composite
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*/
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void compose(Raster src, Raster dstIn, WritableRaster dstOut);
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} // interface CompositeContext
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