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
805 /* Need to re-verify the dimensions since a sample model may be
806 * specified to the constructor
807 */
808 if (width <= 0 || height <= 0 ||
809 height > (Integer.MAX_VALUE / width))
810 {
811 throw new RasterFormatException("Invalid raster dimension");
812 }
813
814 for (int i = 0; i < dataOffsets.length; i++) {
815 if (dataOffsets[i] < 0) {
816 throw new RasterFormatException("Data offsets for band " + i
817 + "(" + dataOffsets[i]
818 + ") must be >= 0");
819 }
820 }
821
822 // we can be sure that width and height are greater than 0
823 if (scanlineStride < 0 ||
824 scanlineStride > (Integer.MAX_VALUE / height) ||
825 scanlineStride > data.length)
826 {
827 // integer overflow
828 throw new RasterFormatException("Incorrect scanline stride: "
829 + scanlineStride);
830 }
831 int lastScanOffset = (height - 1) * scanlineStride;
832
833 if (pixelStride < 0 ||
834 pixelStride > (Integer.MAX_VALUE / width) ||
835 pixelStride > data.length)
836 {
837 // integer overflow
838 throw new RasterFormatException("Incorrect pixel stride: "
839 + pixelStride);
840 }
841 int lastPixelOffset = (width - 1) * pixelStride;
842
843 if (lastPixelOffset > (Integer.MAX_VALUE - lastScanOffset)) {
844 // integer overflow
845 throw new RasterFormatException("Incorrect raster attributes");
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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
805 /* Need to re-verify the dimensions since a sample model may be
806 * specified to the constructor
807 */
808 if (width <= 0 || height <= 0 ||
809 height > (Integer.MAX_VALUE / width))
810 {
811 throw new RasterFormatException("Invalid raster dimension");
812 }
813
814 for (int i = 0; i < dataOffsets.length; i++) {
815 if (dataOffsets[i] < 0) {
816 throw new RasterFormatException("Data offsets for band " + i
817 + "(" + dataOffsets[i]
818 + ") must be >= 0");
819 }
820 }
821
822 // we can be sure that width and height are greater than 0
823 if (scanlineStride < 0 ||
824 scanlineStride > (Integer.MAX_VALUE / height) ||
825 (height > 1 && scanlineStride > data.length))
826 {
827 // integer overflow
828 throw new RasterFormatException("Incorrect scanline stride: "
829 + scanlineStride);
830 }
831 int lastScanOffset = (height - 1) * scanlineStride;
832
833 if (pixelStride < 0 ||
834 pixelStride > (Integer.MAX_VALUE / width) ||
835 pixelStride > data.length)
836 {
837 // integer overflow
838 throw new RasterFormatException("Incorrect pixel stride: "
839 + pixelStride);
840 }
841 int lastPixelOffset = (width - 1) * pixelStride;
842
843 if (lastPixelOffset > (Integer.MAX_VALUE - lastScanOffset)) {
844 // integer overflow
845 throw new RasterFormatException("Incorrect raster attributes");
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