109 lines
4.0 KiB
Java
109 lines
4.0 KiB
Java
/*
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* Copyright (c) 1999, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4213160
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* @summary Should generate a black image
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*/
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.ColorModel;
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import java.awt.image.DataBuffer;
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import java.awt.image.DataBufferByte;
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import java.awt.image.IndexColorModel;
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import java.awt.image.Raster;
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import java.awt.image.WritableRaster;
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import java.awt.geom.AffineTransform;
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public class MultiOp {
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public static void main(String[] argv) {
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int width = 256;
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int height = 256;
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int pixelBits = 2; // 1, 2, 4, or 8
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// 1 and 8 make the code throw ImagingOpException, 2 and 4
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// make the code SEGV on Sol.
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byte[] lut1Arr = new byte[] {0, (byte)255 };
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byte[] lut2Arr = new byte[] {0, (byte)85, (byte)170, (byte)255};
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byte[] lut4Arr = new byte[] {0, (byte)17, (byte)34, (byte)51,
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(byte)68, (byte)85,(byte) 102, (byte)119,
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(byte)136, (byte)153, (byte)170, (byte)187,
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(byte)204, (byte)221, (byte)238, (byte)255};
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byte[] lut8Arr = new byte[256];
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for (int i = 0; i < 256; i++) {
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lut8Arr[i] = (byte)i;
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}
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// Create the binary image
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int bytesPerRow = width * pixelBits / 8;
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byte[] imageData = new byte[height * bytesPerRow];
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ColorModel cm = null;
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switch (pixelBits) {
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case 1:
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cm = new IndexColorModel(pixelBits, lut1Arr.length,
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lut1Arr, lut1Arr, lut1Arr);
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break;
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case 2:
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cm = new IndexColorModel(pixelBits, lut2Arr.length,
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lut2Arr, lut2Arr, lut2Arr);
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break;
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case 4:
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cm = new IndexColorModel(pixelBits, lut4Arr.length,
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lut4Arr, lut4Arr, lut4Arr);
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break;
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case 8:
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cm = new IndexColorModel(pixelBits, lut8Arr.length,
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lut8Arr, lut8Arr, lut8Arr);
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break;
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default:
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{new Exception("Invalid # of bit per pixel").printStackTrace();}
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}
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DataBuffer db = new DataBufferByte(imageData, imageData.length);
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WritableRaster r = Raster.createPackedRaster(db, width, height,
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pixelBits, null);
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BufferedImage srcImage = new BufferedImage(cm, r, false, null);
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BufferedImage destImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
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Graphics2D g = destImage.createGraphics();
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AffineTransform af = AffineTransform.getScaleInstance(.5, .5);
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// This draw image is the problem
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g.drawImage(srcImage, af, null);
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int blackPixel = Color.black.getRGB();
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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if (destImage.getRGB(x, y) != blackPixel) {
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throw new RuntimeException("Not black");
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}
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}
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}
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}
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}
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