JDK14/Java14源码在线阅读

/*
 * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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/* ****************************************************************
 ******************************************************************
 ******************************************************************
 *** COPYRIGHT (c) Eastman Kodak Company, 1997
 *** As  an unpublished  work pursuant to Title 17 of the United
 *** States Code.  All rights reserved.
 ******************************************************************
 ******************************************************************
 ******************************************************************/

package java.awt.image;
import java.awt.Rectangle;
import java.util.Dictionary;
import java.util.Vector;

/**
 * RenderedImage is a common interface for objects which contain
 * or can produce image data in the form of Rasters.  The image
 * data may be stored/produced as a single tile or a regular array
 * of tiles.
 */

public interface RenderedImage {

    /**
     * Returns a vector of RenderedImages that are the immediate sources of
     * image data for this RenderedImage.  This method returns null if
     * the RenderedImage object has no information about its immediate
     * sources.  It returns an empty Vector if the RenderedImage object has
     * no immediate sources.
     * @return a Vector of {@code RenderedImage} objects.
     */
    Vector<RenderedImage> getSources();

    /**
     * Gets a property from the property set of this image.  The set of
     * properties and whether it is immutable is determined by the
     * implementing class.  This method returns
     * java.awt.Image.UndefinedProperty if the specified property is
     * not defined for this RenderedImage.
     * @param name the name of the property
     * @return the property indicated by the specified name.
     * @see java.awt.Image#UndefinedProperty
     */
    Object getProperty(String name);

    /**
      * Returns an array of names recognized by
      * {@link #getProperty(String) getProperty(String)}
      * or {@code null}, if no property names are recognized.
      * @return a {@code String} array containing all of the
      * property names that {@code getProperty(String)} recognizes;
      * or {@code null} if no property names are recognized.
      */
    String[] getPropertyNames();

    /**
     * Returns the ColorModel associated with this image.  All Rasters
     * returned from this image will have this as their ColorModel.  This
     * can return null.
     * @return the {@code ColorModel} of this image.
     */
    ColorModel getColorModel();

    /**
     * Returns the SampleModel associated with this image.  All Rasters
     * returned from this image will have this as their SampleModel.
     * @return the {@code SampleModel} of this image.
     */
    SampleModel getSampleModel();

    /**
     * Returns the width of the RenderedImage.
     * @return the width of this {@code RenderedImage}.
     */
    int getWidth();

    /**
     * Returns the height of the RenderedImage.
     * @return the height of this {@code RenderedImage}.
     */
    int getHeight();

    /**
     * Returns the minimum X coordinate (inclusive) of the RenderedImage.
     * @return the X coordinate of this {@code RenderedImage}.
     */
    int getMinX();

    /**
     * Returns the minimum Y coordinate (inclusive) of the RenderedImage.
     * @return the Y coordinate of this {@code RenderedImage}.
     */
    int getMinY();

    /**
     * Returns the number of tiles in the X direction.
     * @return the number of tiles in the X direction.
     */
    int getNumXTiles();

    /**
     * Returns the number of tiles in the Y direction.
     * @return the number of tiles in the Y direction.
     */
    int getNumYTiles();

    /**
     *  Returns the minimum tile index in the X direction.
     *  @return the minimum tile index in the X direction.
     */
    int getMinTileX();

    /**
     *  Returns the minimum tile index in the Y direction.
     *  @return the minimum tile index in the X direction.
     */
    int getMinTileY();

    /**
     *  Returns the tile width in pixels.  All tiles must have the same
     *  width.
     *  @return the tile width in pixels.
     */
    int getTileWidth();

    /**
     *  Returns the tile height in pixels.  All tiles must have the same
     *  height.
     *  @return the tile height in pixels.
     */
    int getTileHeight();

    /**
     * Returns the X offset of the tile grid relative to the origin,
     * i.e., the X coordinate of the upper-left pixel of tile (0, 0).
     * (Note that tile (0, 0) may not actually exist.)
     * @return the X offset of the tile grid relative to the origin.
     */
    int getTileGridXOffset();

    /**
     * Returns the Y offset of the tile grid relative to the origin,
     * i.e., the Y coordinate of the upper-left pixel of tile (0, 0).
     * (Note that tile (0, 0) may not actually exist.)
     * @return the Y offset of the tile grid relative to the origin.
     */
    int getTileGridYOffset();

    /**
     * Returns tile (tileX, tileY).  Note that tileX and tileY are indices
     * into the tile array, not pixel locations.  The Raster that is returned
     * is live and will be updated if the image is changed.
     * @param tileX the X index of the requested tile in the tile array
     * @param tileY the Y index of the requested tile in the tile array
     * @return the tile given the specified indices.
     */
   Raster getTile(int tileX, int tileY);

    /**
     * Returns the image as one large tile (for tile based
     * images this will require fetching the whole image
     * and copying the image data over).  The Raster returned is
     * a copy of the image data and will not be updated if the image
     * is changed.
     * @return the image as one large tile.
     */
    Raster getData();

    /**
     * Computes and returns an arbitrary region of the RenderedImage.
     * The Raster returned is a copy of the image data and will not
     * be updated if the image is changed.

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