| /* |
| * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6782574 |
| * @summary Test verifies that incorrect sample masks are correctly handled |
| * by the constructor of the SinglePixelPackedSampleModel class |
| * and do not cause internal error in the medialib glue code. |
| * |
| * @run main IncorrectSampleMaskTest |
| */ |
| |
| import java.awt.geom.AffineTransform; |
| import java.awt.image.AffineTransformOp; |
| import java.awt.image.BufferedImageOp; |
| import java.awt.image.DataBuffer; |
| import java.awt.image.DataBufferByte; |
| import java.awt.image.DataBufferInt; |
| import java.awt.image.DataBufferUShort; |
| import java.awt.image.Raster; |
| import java.awt.image.RasterOp; |
| import java.awt.image.WritableRaster; |
| import java.awt.image.SinglePixelPackedSampleModel; |
| |
| public class IncorrectSampleMaskTest { |
| public static void main(String[] args) { |
| int[] dataTypes = new int[] { |
| DataBuffer.TYPE_BYTE, |
| DataBuffer.TYPE_USHORT, |
| DataBuffer.TYPE_INT }; |
| |
| for (int type : dataTypes) { |
| doTest(type); |
| } |
| } |
| |
| private static final int w = 100; |
| private static final int h = 100; |
| |
| private static AffineTransform at = |
| AffineTransform.getScaleInstance(0.5, 0.5); |
| |
| private static RasterOp op = |
| new AffineTransformOp(at, AffineTransformOp.TYPE_NEAREST_NEIGHBOR); |
| |
| private static void doTest(int dataType) { |
| int maxSize = DataBuffer.getDataTypeSize(dataType); |
| System.out.println("Type size: " + maxSize); |
| |
| int theMask = (int)(1L << (maxSize + 2)) - 1; |
| System.out.printf("theMask=%x\n", theMask); |
| |
| SinglePixelPackedSampleModel sm = |
| new SinglePixelPackedSampleModel(dataType, w, h, |
| new int[] { theMask }); |
| |
| |
| int[] sampleSize = sm.getSampleSize(); |
| for (int s : sampleSize) { |
| if (s > maxSize) { |
| throw new RuntimeException("Test failed: sample size is too big:" + s); |
| } |
| } |
| |
| System.out.println("Test medialib..."); |
| DataBuffer buf = createDataBuffer(dataType); |
| |
| WritableRaster wr = Raster.createWritableRaster(sm, buf, null); |
| |
| op.filter(wr, null); |
| System.out.println("Test PASSED."); |
| } |
| |
| private static DataBuffer createDataBuffer(int type) { |
| switch (type) { |
| case DataBuffer.TYPE_BYTE: { |
| byte[] buf = new byte[w * h]; |
| return new DataBufferByte(buf, buf.length); |
| } |
| case DataBuffer.TYPE_USHORT: { |
| short[] buf = new short[w * h]; |
| return new DataBufferUShort(buf, buf.length); |
| } |
| case DataBuffer.TYPE_INT: { |
| int[] buf = new int[w * h]; |
| return new DataBufferInt(buf, buf.length); |
| } |
| default : |
| throw new RuntimeException("Unsupported data type."); |
| } |
| } |
| } |