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108 lines
3.9 KiB
Java
108 lines
3.9 KiB
Java
/* BufferedImageOp.java --
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Copyright (C) 2002, 2006, 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., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 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.image;
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import java.awt.RenderingHints;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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/**
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* An operation that is performed on one <code>BufferedImage</code> (the
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* source) producing a new <code>BufferedImage</code> (the destination).
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*/
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public interface BufferedImageOp
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{
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/**
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* Performs an operation on the source image, returning the result in a
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* <code>BufferedImage</code>. If <code>dest</code> is <code>null</code>, a
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* new <code>BufferedImage</code> will be created by calling the
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* {@link #createCompatibleDestImage} method. If <code>dest</code>
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* is not <code>null</code>, the result is written to <code>dest</code> then
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* returned (this avoids creating a new <code>BufferedImage</code> each
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* time this method is called).
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*
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* @param src the source image.
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* @param dst the destination image (<code>null</code> permitted).
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*
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* @return The filterd image.
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*/
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BufferedImage filter(BufferedImage src, BufferedImage dst);
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/**
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* Returns the bounds of the destination image on the basis of this
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* <code>BufferedImageOp</code> being applied to the specified source image.
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*
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* @param src the source image.
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*
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* @return The destination bounds.
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*/
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Rectangle2D getBounds2D(BufferedImage src);
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/**
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* Returns a new <code>BufferedImage</code> that can be used by this
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* <code>BufferedImageOp</code> as the destination image when filtering
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* the specified source image.
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*
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* @param src the source image.
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* @param dstCM the color model for the destination image.
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*
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* @return A new image that can be used as the destination image.
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*/
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BufferedImage createCompatibleDestImage(BufferedImage src, ColorModel dstCM);
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/**
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* Returns the point on the destination image that corresponds to the given
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* point on the source image.
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*
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* @param src the source point.
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* @param dst the destination point (<code>null</code> permitted).
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*
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* @return The destination point.
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*/
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Point2D getPoint2D(Point2D src, Point2D dst);
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/**
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* Returns the rendering hints for this operation.
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*
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* @return The rendering hints.
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*/
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RenderingHints getRenderingHints();
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}
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