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-/* RasterOp.java --
- Copyright (C) 2000, 2002, 2004, 2005, 2006, Free Software Foundation
-
-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., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 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;
-
-import java.awt.RenderingHints;
-import java.awt.geom.Point2D;
-import java.awt.geom.Rectangle2D;
-
-/**
- * An operation that is performed on one raster (the source) producing a new
- * raster (the destination).
- */
-public interface RasterOp
-{
- /**
- * Performs an operation on the source raster, returning the result in a
- * writable raster. If <code>dest</code> is <code>null</code>, a new
- * <code>WritableRaster</code> will be created by calling the
- * {@link #createCompatibleDestRaster(Raster)} method. If <code>dest</code>
- * is not <code>null</code>, the result is written to <code>dest</code> then
- * returned (this avoids creating a new <code>WritableRaster</code> each
- * time this method is called).
- *
- * @param src the source raster.
- * @param dest the destination raster (<code>null</code> permitted).
- *
- * @return The filtered raster.
- */
- WritableRaster filter(Raster src, WritableRaster dest);
-
- /**
- * Returns the bounds of the destination raster on the basis of this
- * <code>RasterOp</code> being applied to the specified source raster.
- *
- * @param src the source raster.
- *
- * @return The destination bounds.
- */
- Rectangle2D getBounds2D(Raster src);
-
- /**
- * Returns a raster that can be used by this <code>RasterOp</code> as the
- * destination raster when operating on the specified source raster.
- *
- * @param src the source raster.
- *
- * @return A new writable raster that can be used as the destination raster.
- */
- WritableRaster createCompatibleDestRaster(Raster src);
-
- /**
- * Returns the point on the destination raster that corresponds to the given
- * point on the source raster.
- *
- * @param srcPoint the source point.
- * @param destPoint the destination point (<code>null</code> permitted).
- *
- * @return The destination point.
- */
- Point2D getPoint2D(Point2D srcPoint, Point2D destPoint);
-
- /**
- * Returns the rendering hints for this operation.
- *
- * @return The rendering hints.
- */
- RenderingHints getRenderingHints();
-}