1 /*
2 * Copyright (c) 1997, 2007, 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
148 int xOffset = aRegion.x - origin.x;
149 int yOffset = aRegion.y - origin.y;
150 for (int i = 0; i < bankIndices.length; i++) {
151 data[i] = stealData(dbus, bankIndices[i]);
152 dataOffsets[i] = dOffsets[bankIndices[i]] +
153 xOffset + yOffset*scanlineStride + bandOffsets[i];
154 }
155 } else {
156 throw new RasterFormatException("ShortBandedRasters must have "+
157 "BandedSampleModels");
158 }
159 verify();
160 }
161
162 /**
163 * Returns a copy of the data offsets array. For each band the data offset
164 * is the index into the band's data array, of the first sample of the
165 * band.
166 */
167 public int[] getDataOffsets() {
168 return (int[]) dataOffsets.clone();
169 }
170
171 /**
172 * Returns the data offset for the specified band. The data offset
173 * is the index into the band's data array
174 * in which the first sample of the first scanline is stored.
175 * @param The band whose offset is returned.
176 */
177 public int getDataOffset(int band) {
178 return dataOffsets[band];
179 }
180
181 /**
182 * Returns the scanline stride -- the number of data array elements between
183 * a given sample and the sample in the same column
184 * of the next row in the same band.
185 */
186 public int getScanlineStride() {
187 return scanlineStride;
188 }
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1 /*
2 * Copyright (c) 1997, 2014, 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
148 int xOffset = aRegion.x - origin.x;
149 int yOffset = aRegion.y - origin.y;
150 for (int i = 0; i < bankIndices.length; i++) {
151 data[i] = stealData(dbus, bankIndices[i]);
152 dataOffsets[i] = dOffsets[bankIndices[i]] +
153 xOffset + yOffset*scanlineStride + bandOffsets[i];
154 }
155 } else {
156 throw new RasterFormatException("ShortBandedRasters must have "+
157 "BandedSampleModels");
158 }
159 verify();
160 }
161
162 /**
163 * Returns a copy of the data offsets array. For each band the data offset
164 * is the index into the band's data array, of the first sample of the
165 * band.
166 */
167 public int[] getDataOffsets() {
168 return dataOffsets.clone();
169 }
170
171 /**
172 * Returns the data offset for the specified band. The data offset
173 * is the index into the band's data array
174 * in which the first sample of the first scanline is stored.
175 * @param The band whose offset is returned.
176 */
177 public int getDataOffset(int band) {
178 return dataOffsets[band];
179 }
180
181 /**
182 * Returns the scanline stride -- the number of data array elements between
183 * a given sample and the sample in the same column
184 * of the next row in the same band.
185 */
186 public int getScanlineStride() {
187 return scanlineStride;
188 }
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