84 lines
3.1 KiB
Java
84 lines
3.1 KiB
Java
/*
|
|
* Copyright (c) 2003, 2017, 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 4826548
|
|
* @summary Tests for reading PNG images with 5,6,7 and 8 colors in palette
|
|
*/
|
|
|
|
import java.awt.image.BufferedImage;
|
|
import java.awt.image.IndexColorModel;
|
|
import java.io.ByteArrayInputStream;
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.IOException;
|
|
|
|
import javax.imageio.ImageIO;
|
|
|
|
public class ShortPaletteTest {
|
|
|
|
public static void main(String[] args) {
|
|
|
|
for (int numberColors = 2; numberColors <= 16; numberColors++) {
|
|
try {
|
|
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
|
BufferedImage image = createImage(numberColors);
|
|
ImageIO.write(image, "png", baos);
|
|
baos.close();
|
|
System.out.println("Number of colors: " + numberColors);
|
|
byte[] buffer = baos.toByteArray();
|
|
ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
|
|
ImageIO.read(bais);
|
|
System.out.println("OK");
|
|
} catch (ArrayIndexOutOfBoundsException e) {
|
|
e.printStackTrace();
|
|
throw new RuntimeException("Test failed.");
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
throw new RuntimeException("Unexpected exception was thrown."
|
|
+ " Test failed.");
|
|
}
|
|
}
|
|
}
|
|
|
|
private static IndexColorModel createColorModel(int numberColors) {
|
|
|
|
byte[] colors = new byte[numberColors*3];
|
|
int depth = 4;
|
|
int startIndex = 0;
|
|
|
|
return new IndexColorModel(depth,
|
|
numberColors,
|
|
colors,
|
|
startIndex,
|
|
false);
|
|
}
|
|
|
|
private static BufferedImage createImage(int numberColors) {
|
|
return new BufferedImage(32,
|
|
32,
|
|
BufferedImage.TYPE_BYTE_BINARY,
|
|
createColorModel(numberColors));
|
|
}
|
|
}
|