/*
* Copyright (c) 2007, 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 6585922
* @summary Test verifies ConvolveOp creates compatible destination images
* of same type and this pair {src, dst} can be handled by the
* ConvolveOp filter.
*
* @run main OpCompatibleImageTest
*/
import java.awt.Color;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ColorModel;
import java.awt.image.ConvolveOp;
import java.awt.image.ImagingOpException;
import java.awt.image.Kernel;
public class OpCompatibleImageTest {
public static void main(String[] args) {
OpCompatibleImageTest t = new OpCompatibleImageTest();
t.doTest(BufferedImage.TYPE_3BYTE_BGR);
t.doTest(BufferedImage.TYPE_4BYTE_ABGR);
t.doTest(BufferedImage.TYPE_BYTE_GRAY);
t.doTest(BufferedImage.TYPE_INT_ARGB);
t.doTest(BufferedImage.TYPE_INT_BGR);
t.doTest(BufferedImage.TYPE_INT_RGB);
t.doTest(BufferedImage.TYPE_BYTE_INDEXED);
}
private BufferedImageOp op;
public OpCompatibleImageTest() {
final Kernel kernel = new Kernel(3, 3,
new float[] {
1f/9f, 1f/9f, 1f/9f,
1f/9f, 1f/9f, 1f/9f,
1f/9f, 1f/9f, 1f/9f});
op = new ConvolveOp(kernel);
}
public void doTest(int type) {
System.out.println("Test for type " + describeType(type));
BufferedImage src = createTestImage(type);
BufferedImage res = null;
System.out.println("Testing null destination...");
try {
res = op.filter(src, null);
} catch (ImagingOpException e) {
throw new RuntimeException("Test FAILED!", e);
}
if (res == null ||
((src.getType() != BufferedImage.TYPE_BYTE_INDEXED) &&
(res.getType() != src.getType())))
{
throw new RuntimeException("Test FAILED!");
}
System.out.println("Test PASSED.");
}
private BufferedImage createCompatible(ColorModel cm, int w, int h) {
return new BufferedImage (cm,
cm.createCompatibleWritableRaster(w, h),
cm.isAlphaPremultiplied(), null);
}
private BufferedImage createTestImage(int type) {
BufferedImage img = new BufferedImage(100, 100, type);
Graphics g = img.createGraphics();
g.setColor(Color.red);
g.fillRect(0, 0, 100, 100);
g.dispose();
return img;
}
private static String describeType(int type) {
switch(type) {
case BufferedImage.TYPE_3BYTE_BGR:
return "TYPE_3BYTE_BGR";
case BufferedImage.TYPE_4BYTE_ABGR:
return "TYPE_4BYTE_ABGR";
case BufferedImage.TYPE_BYTE_GRAY:
return "TYPE_BYTE_GRAY";
case BufferedImage.TYPE_INT_ARGB:
return "TYPE_INT_ARGB";
case BufferedImage.TYPE_INT_BGR:
return "TYPE_INT_BGR";
case BufferedImage.TYPE_INT_RGB:
return "TYPE_INT_RGB";
case BufferedImage.TYPE_BYTE_INDEXED:
return "TYPE_BYTE_INDEXED";
default:
throw new RuntimeException("Test FAILED: unknown type " + type);
}
}
}