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