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| 1 | /* | ||
| 2 | * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | /* **************************************************************** | ||
| 27 | ****************************************************************** | ||
| 28 | ****************************************************************** | ||
| 29 | *** COPYRIGHT (c) Eastman Kodak Company, 1997 | ||
| 30 | *** As an unpublished work pursuant to Title 17 of the United | ||
| 31 | *** States Code. All rights reserved. | ||
| 32 | ****************************************************************** | ||
| 33 | ****************************************************************** | ||
| 34 | ******************************************************************/ | ||
| 35 | |||
| 36 | package java.awt.image; | ||
| 37 | import java.awt.Rectangle; | ||
| 38 | import java.util.Dictionary; | ||
| 39 | import java.util.Vector; | ||
| 40 | |||
| 41 | /** | ||
| 42 | * RenderedImage is a common interface for objects which contain | ||
| 43 | * or can produce image data in the form of Rasters. The image | ||
| 44 | * data may be stored/produced as a single tile or a regular array | ||
| 45 | * of tiles. | ||
| 46 | */ | ||
| 47 | |||
| 48 | public interface RenderedImage { | ||
| 49 | |||
| 50 | /** | ||
| 51 | * Returns a vector of RenderedImages that are the immediate sources of | ||
| 52 | * image data for this RenderedImage. This method returns null if | ||
| 53 | * the RenderedImage object has no information about its immediate | ||
| 54 | * sources. It returns an empty Vector if the RenderedImage object has | ||
| 55 | * no immediate sources. | ||
| 56 | * @return a Vector of <code>RenderedImage</code> objects. | ||
| 57 | */ | ||
| 58 | Vector<RenderedImage> getSources(); | ||
| 59 | |||
| 60 | /** | ||
| 61 | * Gets a property from the property set of this image. The set of | ||
| 62 | * properties and whether it is immutable is determined by the | ||
| 63 | * implementing class. This method returns | ||
| 64 | * java.awt.Image.UndefinedProperty if the specified property is | ||
| 65 | * not defined for this RenderedImage. | ||
| 66 | * @param name the name of the property | ||
| 67 | * @return the property indicated by the specified name. | ||
| 68 | * @see java.awt.Image#UndefinedProperty | ||
| 69 | */ | ||
| 70 | Object getProperty(String name); | ||
| 71 | |||
| 72 | /** | ||
| 73 | * Returns an array of names recognized by | ||
| 74 | * {@link #getProperty(String) getProperty(String)} | ||
| 75 | * or <code>null</code>, if no property names are recognized. | ||
| 76 | * @return a <code>String</code> array containing all of the | ||
| 77 | * property names that <code>getProperty(String)</code> recognizes; | ||
| 78 | * or <code>null</code> if no property names are recognized. | ||
| 79 | */ | ||
| 80 | String[] getPropertyNames(); | ||
| 81 | |||
| 82 | /** | ||
| 83 | * Returns the ColorModel associated with this image. All Rasters | ||
| 84 | * returned from this image will have this as their ColorModel. This | ||
| 85 | * can return null. | ||
| 86 | * @return the <code>ColorModel</code> of this image. | ||
| 87 | */ | ||
| 88 | ColorModel getColorModel(); | ||
| 89 | |||
| 90 | /** | ||
| 91 | * Returns the SampleModel associated with this image. All Rasters | ||
| 92 | * returned from this image will have this as their SampleModel. | ||
| 93 | * @return the <code>SampleModel</code> of this image. | ||
| 94 | */ | ||
| 95 | SampleModel getSampleModel(); | ||
| 96 | |||
| 97 | /** | ||
| 98 | * Returns the width of the RenderedImage. | ||
| 99 | * @return the width of this <code>RenderedImage</code>. | ||
| 100 | */ | ||
| 101 | int getWidth(); | ||
| 102 | |||
| 103 | /** | ||
| 104 | * Returns the height of the RenderedImage. | ||
| 105 | * @return the height of this <code>RenderedImage</code>. | ||
| 106 | */ | ||
| 107 | int getHeight(); | ||
| 108 | |||
| 109 | /** | ||
| 110 | * Returns the minimum X coordinate (inclusive) of the RenderedImage. | ||
| 111 | * @return the X coordinate of this <code>RenderedImage</code>. | ||
| 112 | */ | ||
| 113 | int getMinX(); | ||
| 114 | |||
| 115 | /** | ||
| 116 | * Returns the minimum Y coordinate (inclusive) of the RenderedImage. | ||
| 117 | * @return the Y coordinate of this <code>RenderedImage</code>. | ||
| 118 | */ | ||
| 119 | int getMinY(); | ||
| 120 | |||
| 121 | /** | ||
| 122 | * Returns the number of tiles in the X direction. | ||
| 123 | * @return the number of tiles in the X direction. | ||
| 124 | */ | ||
| 125 | int getNumXTiles(); | ||
| 126 | |||
| 127 | /** | ||
| 128 | * Returns the number of tiles in the Y direction. | ||
| 129 | * @return the number of tiles in the Y direction. | ||
| 130 | */ | ||
| 131 | int getNumYTiles(); | ||
| 132 | |||
| 133 | /** | ||
| 134 | * Returns the minimum tile index in the X direction. | ||
| 135 | * @return the minimum tile index in the X direction. | ||
| 136 | */ | ||
| 137 | int getMinTileX(); | ||
| 138 | |||
| 139 | /** | ||
| 140 | * Returns the minimum tile index in the Y direction. | ||
| 141 | * @return the minimum tile index in the X direction. | ||
| 142 | */ | ||
| 143 | int getMinTileY(); | ||
| 144 | |||
| 145 | /** | ||
| 146 | * Returns the tile width in pixels. All tiles must have the same | ||
| 147 | * width. | ||
| 148 | * @return the tile width in pixels. | ||
| 149 | */ | ||
| 150 | int getTileWidth(); | ||
| 151 | |||
| 152 | /** | ||
| 153 | * Returns the tile height in pixels. All tiles must have the same | ||
| 154 | * height. | ||
| 155 | * @return the tile height in pixels. | ||
| 156 | */ | ||
| 157 | int getTileHeight(); | ||
| 158 | |||
| 159 | /** | ||
| 160 | * Returns the X offset of the tile grid relative to the origin, | ||
| 161 | * i.e., the X coordinate of the upper-left pixel of tile (0, 0). | ||
| 162 | * (Note that tile (0, 0) may not actually exist.) | ||
| 163 | * @return the X offset of the tile grid relative to the origin. | ||
| 164 | */ | ||
| 165 | int getTileGridXOffset(); | ||
| 166 | |||
| 167 | /** | ||
| 168 | * Returns the Y offset of the tile grid relative to the origin, | ||
| 169 | * i.e., the Y coordinate of the upper-left pixel of tile (0, 0). | ||
| 170 | * (Note that tile (0, 0) may not actually exist.) | ||
| 171 | * @return the Y offset of the tile grid relative to the origin. | ||
| 172 | */ | ||
| 173 | int getTileGridYOffset(); | ||
| 174 | |||
| 175 | /** | ||
| 176 | * Returns tile (tileX, tileY). Note that tileX and tileY are indices | ||
| 177 | * into the tile array, not pixel locations. The Raster that is returned | ||
| 178 | * is live and will be updated if the image is changed. | ||
| 179 | * @param tileX the X index of the requested tile in the tile array | ||
| 180 | * @param tileY the Y index of the requested tile in the tile array | ||
| 181 | * @return the tile given the specified indices. | ||
| 182 | */ | ||
| 183 | Raster getTile(int tileX, int tileY); | ||
| 184 | |||
| 185 | /** | ||
| 186 | * Returns the image as one large tile (for tile based | ||
| 187 | * images this will require fetching the whole image | ||
| 188 | * and copying the image data over). The Raster returned is | ||
| 189 | * a copy of the image data and will not be updated if the image | ||
| 190 | * is changed. | ||
| 191 | * @return the image as one large tile. | ||
| 192 | */ | ||
| 193 | Raster getData(); | ||
| 194 | |||
| 195 | /** | ||
| 196 | * Computes and returns an arbitrary region of the RenderedImage. | ||
| 197 | * The Raster returned is a copy of the image data and will not | ||
| 198 | * be updated if the image is changed. | ||
| 199 | * @param rect the region of the RenderedImage to be returned. | ||
| 200 | * @return the region of the <code>RenderedImage</code> | ||
| 201 | * indicated by the specified <code>Rectangle</code>. | ||
| 202 | */ | ||
| 203 | Raster getData(Rectangle rect); | ||
| 204 | |||
| 205 | /** | ||
| 206 | * Computes an arbitrary rectangular region of the RenderedImage | ||
| 207 | * and copies it into a caller-supplied WritableRaster. The region | ||
| 208 | * to be computed is determined from the bounds of the supplied | ||
| 209 | * WritableRaster. The supplied WritableRaster must have a | ||
| 210 | * SampleModel that is compatible with this image. If raster is null, | ||
| 211 | * an appropriate WritableRaster is created. | ||
| 212 | * @param raster a WritableRaster to hold the returned portion of the | ||
| 213 | * image, or null. | ||
| 214 | * @return a reference to the supplied or created WritableRaster. | ||
| 215 | */ | ||
| 216 | WritableRaster copyData(WritableRaster raster); | ||
| 217 | } | ||