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/*
* Copyright (c) 1999, 2024, 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 4213160
* @summary Should generate a black image
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.IndexColorModel;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.awt.geom.AffineTransform;
public class MultiOp {
public static void main(String[] argv) {
int width = 256;
int height = 256;
int pixelBits = 2; // 1, 2, 4, or 8
// 1 and 8 make the code throw ImagingOpException, 2 and 4
// make the code SEGV on Sol.
byte[] lut1Arr = new byte[] {0, (byte)255 };
byte[] lut2Arr = new byte[] {0, (byte)85, (byte)170, (byte)255};
byte[] lut4Arr = new byte[] {0, (byte)17, (byte)34, (byte)51,
(byte)68, (byte)85,(byte) 102, (byte)119,
(byte)136, (byte)153, (byte)170, (byte)187,
(byte)204, (byte)221, (byte)238, (byte)255};
byte[] lut8Arr = new byte[256];
for (int i = 0; i < 256; i++) {
lut8Arr[i] = (byte)i;
}
// Create the binary image
int bytesPerRow = width * pixelBits / 8;
byte[] imageData = new byte[height * bytesPerRow];
ColorModel cm = null;
switch (pixelBits) {
case 1:
cm = new IndexColorModel(pixelBits, lut1Arr.length,
lut1Arr, lut1Arr, lut1Arr);
break;
case 2:
cm = new IndexColorModel(pixelBits, lut2Arr.length,
lut2Arr, lut2Arr, lut2Arr);
break;
case 4:
cm = new IndexColorModel(pixelBits, lut4Arr.length,
lut4Arr, lut4Arr, lut4Arr);
break;
case 8:
cm = new IndexColorModel(pixelBits, lut8Arr.length,
lut8Arr, lut8Arr, lut8Arr);
break;
default:
{new Exception("Invalid # of bit per pixel").printStackTrace();}
}
DataBuffer db = new DataBufferByte(imageData, imageData.length);
WritableRaster r = Raster.createPackedRaster(db, width, height,
pixelBits, null);
BufferedImage srcImage = new BufferedImage(cm, r, false, null);
BufferedImage destImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics2D g = destImage.createGraphics();
AffineTransform af = AffineTransform.getScaleInstance(.5, .5);
// This draw image is the problem
g.drawImage(srcImage, af, null);
int blackPixel = Color.black.getRGB();
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
if (destImage.getRGB(x, y) != blackPixel) {
throw new RuntimeException("Not black");
}
}
}
}
}
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