--- /dev/null 2017-05-22 14:23:29.000000000 -0700 +++ new/test/javax/imageio/plugins/jpeg/DestTypeTest.java 2017-05-22 14:23:29.000000000 -0700 @@ -0,0 +1,157 @@ +/* + * Copyright (c) 2004, 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 5028259 + * @summary Verifies that usage of the destination type does not cause the + * increase of size of the result jpeg file + */ + +import java.awt.Color; +import java.awt.Graphics; +import java.awt.image.BufferedImage; +import java.io.ByteArrayOutputStream; +import java.io.IOException; + +import javax.imageio.IIOImage; +import javax.imageio.ImageIO; +import javax.imageio.ImageReader; +import javax.imageio.ImageTypeSpecifier; +import javax.imageio.ImageWriteParam; +import javax.imageio.ImageWriter; +import javax.imageio.event.IIOReadWarningListener; +import javax.imageio.event.IIOWriteWarningListener; +import javax.imageio.metadata.IIOMetadata; +import javax.imageio.stream.ImageOutputStream; + +public class DestTypeTest implements IIOWriteWarningListener, IIOReadWarningListener { + + ImageWriter w; + ImageReader r; + + public static void main(String[] args) throws IOException { + BufferedImage bi_rgb = createTestImage(BufferedImage.TYPE_INT_RGB); + + DestTypeTest bug = new DestTypeTest(); + byte[] rgb_data = bug.writeTest(bi_rgb); + + System.out.println("rgb jpeg data length is " + rgb_data.length); + + BufferedImage bi_argb = createTestImage(BufferedImage.TYPE_INT_ARGB); + + ImageWriteParam p = bug.getWriteParam(); + IIOMetadata m = bug.getMetadata(p); + + byte[] submeta_data = bug.writeTest(bi_argb, p, m); + System.out.println("desttype and metadata jpeg data length is " + submeta_data.length); + + p = bug.getWriteParam(); + byte[] subbanded_data = bug.writeTest(bi_argb, p); + System.out.println("desttype jpeg data length is " + subbanded_data.length); + + if (submeta_data.length > rgb_data.length) { + throw new RuntimeException("Too big result jpeg: " + submeta_data.length + + "(rgb image size is " + rgb_data.length + ")"); + } + if (subbanded_data.length > rgb_data.length) { + throw new RuntimeException("Too big result jpeg: " + subbanded_data.length + + "(rgb image size is " + rgb_data.length + ")"); + } + } + + public DestTypeTest() { + w = (ImageWriter) + ImageIO.getImageWritersByFormatName("jpeg").next(); + w.addIIOWriteWarningListener(this); + + r = (ImageReader) + ImageIO.getImageReadersByFormatName("jpeg").next(); + r.addIIOReadWarningListener(this); + } + + public ImageWriteParam getWriteParam() { + ImageWriteParam p = w.getDefaultWriteParam(); + p.setSourceBands(new int[] {0, 1, 2}); + ImageTypeSpecifier type = + ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB); + p.setDestinationType(type); + + return p; + } + + public IIOMetadata getMetadata(ImageWriteParam p) { + return w.getDefaultImageMetadata(p.getDestinationType(), null); + } + + public byte[] writeTest(BufferedImage bi) throws IOException { + return writeTest(bi, null); + } + + public byte[] writeTest(BufferedImage bi, + ImageWriteParam p) throws IOException { + return writeTest(bi, p, null); + } + public byte[] writeTest(BufferedImage bi, + ImageWriteParam p, + IIOMetadata m) throws IOException { + ByteArrayOutputStream baos = + new ByteArrayOutputStream(); + + // write test image as jpeg + ImageOutputStream ios = + ImageIO.createImageOutputStream(baos); + w.setOutput(ios); + w.write(null, + new IIOImage(bi, null, m), + p); + ios.close(); + return baos.toByteArray(); + } + + public static BufferedImage createTestImage(int type) { + int w = 100; + int h = 500; + BufferedImage bi = new BufferedImage(3*w, h, type); + Graphics g = bi.createGraphics(); + g.setColor(Color.red); + g.fillRect(0,0,w,h); + g.setColor(Color.green); + g.fillRect(w, 0,w,h); + g.setColor(Color.blue); + g.fillRect(2*w,0,w,h); + + return bi; + } + + public void warningOccurred(ImageWriter source, + int imageIndex, + String warning) { + System.out.println("WRITING WARNING: " + warning); + } + + public void warningOccurred(ImageReader source, + String warning) { + System.out.println("READING WARNING: " + warning); + } +}