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src/java.desktop/share/classes/java/awt/image/BufferedImage.java

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   1 /*
   2  * Copyright (c) 1997, 2017, 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


1350      */
1351     public int getTileWidth() {
1352        return raster.getWidth();
1353     }
1354 
1355     /**
1356      * Returns the tile height in pixels.
1357      * @return the tile height in pixels.
1358      */
1359     public int getTileHeight() {
1360        return raster.getHeight();
1361     }
1362 
1363     /**
1364      * Returns the x offset of the tile grid relative to the origin,
1365      * For example, the x coordinate of the location of tile
1366      * (0,&nbsp;0).  This is always zero.
1367      * @return the x offset of the tile grid.
1368      */
1369     public int getTileGridXOffset() {
1370         return raster.getSampleModelTranslateX();
1371     }
1372 
1373     /**
1374      * Returns the y offset of the tile grid relative to the origin,
1375      * For example, the y coordinate of the location of tile
1376      * (0,&nbsp;0).  This is always zero.
1377      * @return the y offset of the tile grid.
1378      */
1379     public int getTileGridYOffset() {
1380         return raster.getSampleModelTranslateY();
1381     }
1382 
1383     /**
1384      * Returns tile ({@code tileX},&nbsp;{@code tileY}).  Note
1385      * that {@code tileX} and {@code tileY} are indices
1386      * into the tile array, not pixel locations.  The {@code Raster}
1387      * that is returned is live, which means that it is updated if the
1388      * image is changed.
1389      * @param tileX the x index of the requested tile in the tile array
1390      * @param tileY the y index of the requested tile in the tile array
1391      * @return a {@code Raster} that is the tile defined by the
1392      *          arguments {@code tileX} and {@code tileY}.
1393      * @exception ArrayIndexOutOfBoundsException if both
1394      *          {@code tileX} and {@code tileY} are not
1395      *          equal to 0
1396      */
1397     public Raster getTile(int tileX, int tileY) {
1398         if (tileX == 0 && tileY == 0) {
1399             return raster;
1400         }


   1 /*
   2  * Copyright (c) 1997, 2020, 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


1350      */
1351     public int getTileWidth() {
1352        return raster.getWidth();
1353     }
1354 
1355     /**
1356      * Returns the tile height in pixels.
1357      * @return the tile height in pixels.
1358      */
1359     public int getTileHeight() {
1360        return raster.getHeight();
1361     }
1362 
1363     /**
1364      * Returns the x offset of the tile grid relative to the origin,
1365      * For example, the x coordinate of the location of tile
1366      * (0,&nbsp;0).  This is always zero.
1367      * @return the x offset of the tile grid.
1368      */
1369     public int getTileGridXOffset() {
1370         return raster.getMinX();
1371     }
1372 
1373     /**
1374      * Returns the y offset of the tile grid relative to the origin,
1375      * For example, the y coordinate of the location of tile
1376      * (0,&nbsp;0).  This is always zero.
1377      * @return the y offset of the tile grid.
1378      */
1379     public int getTileGridYOffset() {
1380         return raster.getMinY();
1381     }
1382 
1383     /**
1384      * Returns tile ({@code tileX},&nbsp;{@code tileY}).  Note
1385      * that {@code tileX} and {@code tileY} are indices
1386      * into the tile array, not pixel locations.  The {@code Raster}
1387      * that is returned is live, which means that it is updated if the
1388      * image is changed.
1389      * @param tileX the x index of the requested tile in the tile array
1390      * @param tileY the y index of the requested tile in the tile array
1391      * @return a {@code Raster} that is the tile defined by the
1392      *          arguments {@code tileX} and {@code tileY}.
1393      * @exception ArrayIndexOutOfBoundsException if both
1394      *          {@code tileX} and {@code tileY} are not
1395      *          equal to 0
1396      */
1397     public Raster getTile(int tileX, int tileY) {
1398         if (tileX == 0 && tileY == 0) {
1399             return raster;
1400         }


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