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jeremybenn |
/* IIOReadUpdateListener.java --
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Copyright (C) 2004 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 javax.imageio.event;
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import java.awt.image.BufferedImage;
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import java.util.EventListener;
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import javax.imageio.ImageReader;
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public interface IIOReadUpdateListener extends EventListener
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{
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/**
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* Reports that a given region of the image has been updated.
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*
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* @param source the <code>ImageReader</code> object calling this method
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* @param image the BufferedImage being updated
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* @param minX the X coordinate of the leftmost updated column of pixels
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* @param minY the Y coordinate of the uppermost updated row of pixels
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* @param width the number of updated pixels horizontally
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* @param height the number of updated pixels vertically
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* @param periodX the horizontal spacing between updated pixels; a value of 1 means no gaps
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* @param periodY the vertical spacing between updated pixels; a value of 1 means no gaps
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* @param bands an array of <code>int</code>s indicating which bands are being updated
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*/
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void imageUpdate(ImageReader source, BufferedImage image, int minX,
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int minY, int width, int height, int periodX, int periodY,
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int[] bands);
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/**
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* Reports that the current read operation has completed a progressive pass.
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*
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* @param source the <code>ImageReader</code> object calling this method
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* @param image the BufferedImage being updated
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*/
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void passComplete(ImageReader source, BufferedImage image);
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/**
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* Reports that the current read operation is about to begin a progressive pass.
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*
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* @param source the <code>ImageReader</code> object calling this method
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* @param image the BufferedImage being updated
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* @param pass the numer of the pass that is about to begin, starting with 0
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* @param minPass the index of the first pass that will be decoded
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* @param maxPass the index of the last pass that will be decoded
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* @param minX the X coordinate of the leftmost updated column of pixels
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* @param minY the Y coordinate of the uppermost updated row of pixels
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* @param periodX the horizontal spacing between updated pixels; a value of 1 means no gaps
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* @param periodY the vertical spacing between updated pixels; a value of 1 means no gaps
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* @param bands an array of <code>int</code>s indicating which bands are being updated
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*/
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void passStarted(ImageReader source, BufferedImage image, int pass,
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int minPass, int maxPass, int minX, int minY, int periodX,
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int periodY, int[] bands);
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/**
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* Reports that the current thumbnail read operation has completed a progressive pass.
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*
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* @param source the <code>ImageReader</code> object calling this method
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* @param image the BufferedImage being updated
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*/
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void thumbnailPassComplete(ImageReader source, BufferedImage image);
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/**
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* Reports that the current thumbnail read operation is about to begin a progressive pass.
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*
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* @param source the <code>ImageReader</code> object calling this method
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* @param image the BufferedImage being updated
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* @param pass the numer of the pass that is about to begin, starting with 0
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* @param minPass the index of the first pass that will be decoded
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* @param maxPass the index of the last pass that will be decoded
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* @param minX the X coordinate of the leftmost updated column of pixels
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* @param minY the Y coordinate of the uppermost updated row of pixels
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* @param periodX the horizontal spacing between updated pixels; a value of 1 means no gaps
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* @param periodY the vertical spacing between updated pixels; a value of 1 means no gaps
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* @param bands an array of <code>int</code>s indicating which bands are being updated
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*/
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void thumbnailPassStarted(ImageReader source, BufferedImage image, int pass,
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int minPass, int maxPass, int minX, int minY,
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int periodX, int periodY, int[] bands);
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/**
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* Reports that a given region of a thumbnail image has been updated.
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*
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* @param source the <code>ImageReader</code> object calling this method
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* @param image the BufferedImage being updated
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* @param minX the X coordinate of the leftmost updated column of pixels
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* @param minY the Y coordinate of the uppermost updated row of pixels
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* @param width the number of updated pixels horizontally
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* @param height the number of updated pixels vertically
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* @param periodX the horizontal spacing between updated pixels; a value of 1 means no gaps
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* @param periodY the vertical spacing between updated pixels; a value of 1 means no gaps
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* @param bands an array of <code>int</code>s indicating which bands are being updated
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*/
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void thumbnailUpdate(ImageReader source, BufferedImage image, int minX,
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int minY, int width, int height, int periodX,
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int periodY, int[] bands);
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}
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