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
739 private void verify() {
740
741 /* Need to re-verify the dimensions since a sample model may be
742 * specified to the constructor
743 */
744 if (width <= 0 || height <= 0 ||
745 height > (Integer.MAX_VALUE / width))
746 {
747 throw new RasterFormatException("Invalid raster dimension");
748 }
749
750 if (scanlineStride < 0 ||
751 scanlineStride > (Integer.MAX_VALUE / height))
752 {
753 // integer overflow
754 throw new RasterFormatException("Incorrect scanline stride: "
755 + scanlineStride);
756 }
757
758 for (int i = 0; i < data.length; i++) {
759 if (scanlineStride > data[i].length) {
760 throw new RasterFormatException("Incorrect scanline stride: "
761 + scanlineStride);
762 }
763 }
764
765 // Make sure data for Raster is in a legal range
766 for (int i=0; i < dataOffsets.length; i++) {
767 if (dataOffsets[i] < 0) {
768 throw new RasterFormatException("Data offsets for band "+i+
769 "("+dataOffsets[i]+
770 ") must be >= 0");
771 }
772 }
773
774 int lastScanOffset = (height - 1) * scanlineStride;
775
776 if ((width - 1) > (Integer.MAX_VALUE - lastScanOffset)) {
777 throw new RasterFormatException("Invalid raster dimension");
778 }
779 int lastPixelOffset = lastScanOffset + (width-1);
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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
739 private void verify() {
740
741 /* Need to re-verify the dimensions since a sample model may be
742 * specified to the constructor
743 */
744 if (width <= 0 || height <= 0 ||
745 height > (Integer.MAX_VALUE / width))
746 {
747 throw new RasterFormatException("Invalid raster dimension");
748 }
749
750 if (scanlineStride < 0 ||
751 scanlineStride > (Integer.MAX_VALUE / height))
752 {
753 // integer overflow
754 throw new RasterFormatException("Incorrect scanline stride: "
755 + scanlineStride);
756 }
757
758 for (int i = 0; i < data.length; i++) {
759 if (height > 1 && scanlineStride > data[i].length) {
760 throw new RasterFormatException("Incorrect scanline stride: "
761 + scanlineStride);
762 }
763 }
764
765 // Make sure data for Raster is in a legal range
766 for (int i=0; i < dataOffsets.length; i++) {
767 if (dataOffsets[i] < 0) {
768 throw new RasterFormatException("Data offsets for band "+i+
769 "("+dataOffsets[i]+
770 ") must be >= 0");
771 }
772 }
773
774 int lastScanOffset = (height - 1) * scanlineStride;
775
776 if ((width - 1) > (Integer.MAX_VALUE - lastScanOffset)) {
777 throw new RasterFormatException("Invalid raster dimension");
778 }
779 int lastPixelOffset = lastScanOffset + (width-1);
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