238 lines
7.7 KiB
Java
238 lines
7.7 KiB
Java
/*
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* Copyright (c) 2008, 2016, 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 6541476 7059970
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* @summary Test verifies that ImageIO PNG plug-in correctly handles the
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* iTxt chunk (International textual data).
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*
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* @run main ITXtTest
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*/
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageReader;
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import javax.imageio.IIOImage;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.ImageWriter;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.metadata.IIOMetadataNode;
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import javax.imageio.stream.ImageOutputStream;
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import javax.imageio.stream.ImageInputStream;
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import org.w3c.dom.Node;
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public class ITXtTest {
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static public void main(String args[]) {
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ITXtTest t_en = new ITXtTest();
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t_en.description = "xml - en";
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t_en.keyword = "XML:com.adobe.xmp";
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t_en.isCompressed = false;
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t_en.compression = 0;
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t_en.language = "en";
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t_en.trasKeyword = "XML:com.adobe.xmp";
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t_en.text = "<xml>Something</xml>";
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doTest(t_en);
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// check compression case
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t_en.isCompressed = true;
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t_en.description = "xml - en - compressed";
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doTest(t_en);
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ITXtTest t_ru = new ITXtTest();
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t_ru.description = "xml - ru";
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t_ru.keyword = "XML:com.adobe.xmp";
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t_ru.isCompressed = false;
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t_ru.compression = 0;
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t_ru.language = "ru";
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t_ru.trasKeyword = "\u0410\u0410\u0410\u0410\u0410 XML";
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t_ru.text = "<xml>\u042A\u042F\u042F\u042F\u042F\u042F\u042F</xml>";
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doTest(t_ru);
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t_ru.isCompressed = true;
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t_ru.description = "xml - ru - compressed";
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doTest(t_ru);
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}
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String description;
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String keyword;
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boolean isCompressed;
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int compression;
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String language;
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String trasKeyword;
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String text;
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public IIOMetadataNode getNode() {
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IIOMetadataNode iTXt = new IIOMetadataNode("iTXt");
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IIOMetadataNode iTXtEntry = new IIOMetadataNode("iTXtEntry");
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iTXtEntry.setAttribute("keyword", keyword);
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iTXtEntry.setAttribute("compressionFlag",
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isCompressed ? "true" : "false");
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iTXtEntry.setAttribute("compressionMethod",
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Integer.toString(compression));
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iTXtEntry.setAttribute("languageTag", language);
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iTXtEntry.setAttribute("translatedKeyword",
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trasKeyword);
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iTXtEntry.setAttribute("text", text);
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iTXt.appendChild(iTXtEntry);
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return iTXt;
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}
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public static ITXtTest getFromNode(IIOMetadataNode n) {
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ITXtTest t = new ITXtTest();
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if (!"iTXt".equals(n.getNodeName())) {
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throw new RuntimeException("Invalid node");
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}
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IIOMetadataNode e = (IIOMetadataNode)n.getFirstChild();
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if (!"iTXtEntry".equals(e.getNodeName())) {
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throw new RuntimeException("Invalid entry node");
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}
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t.keyword = e.getAttribute("keyword");
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t.isCompressed =
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Boolean.valueOf(e.getAttribute("compressionFlag")).booleanValue();
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t.compression =
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Integer.valueOf(e.getAttribute("compressionMethod")).intValue();
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t.language = e.getAttribute("languageTag");
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t.trasKeyword = e.getAttribute("translatedKeyword");
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t.text = e.getAttribute("text");
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return t;
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}
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@Override
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public boolean equals(Object o) {
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if (! (o instanceof ITXtTest)) {
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return false;
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}
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ITXtTest t = (ITXtTest)o;
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if (!keyword.equals(t.keyword)) { return false; }
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if (isCompressed != t.isCompressed) { return false; }
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if (compression != t.compression) { return false; }
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if (!language.equals(t.language)) { return false; }
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if (!trasKeyword.equals(t.trasKeyword)) { return false; }
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if (!text.equals(t.text)) { return false; }
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return true;
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}
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private static void doTest(ITXtTest src) {
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System.out.println("Test: " + src.description);
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File file = new File("test.png");
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try {
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writeTo(file, src);
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ITXtTest dst = readFrom(file);
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if (dst == null || !dst.equals(src)) {
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throw new RuntimeException("Test failed.");
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}
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} finally {
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file.delete();
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}
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System.out.println("Test passed.");
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}
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private static void writeTo(File f, ITXtTest t) {
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BufferedImage src = createBufferedImage();
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try (ImageOutputStream imageOutputStream =
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ImageIO.createImageOutputStream(f)) {
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ImageTypeSpecifier imageTypeSpecifier =
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new ImageTypeSpecifier(src);
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ImageWriter imageWriter =
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ImageIO.getImageWritersByFormatName("PNG").next();
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imageWriter.setOutput(imageOutputStream);
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IIOMetadata m =
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imageWriter.getDefaultImageMetadata(imageTypeSpecifier, null);
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String format = m.getNativeMetadataFormatName();
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Node root = m.getAsTree(format);
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IIOMetadataNode iTXt = t.getNode();
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root.appendChild(iTXt);
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m.setFromTree(format, root);
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imageWriter.write(new IIOImage(src, null, m));
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System.out.println("Writing done.");
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} catch (Throwable e) {
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throw new RuntimeException("Writing test failed.", e);
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}
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}
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private static ITXtTest readFrom(File f) {
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try (ImageInputStream imageInputStream =
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ImageIO.createImageInputStream(f)) {
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ImageReader r = ImageIO.getImageReaders(imageInputStream).next();
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r.setInput(imageInputStream);
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IIOImage dst = r.readAll(0, null);
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// look for iTXt node
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IIOMetadata m = dst.getMetadata();
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Node root = m.getAsTree(m.getNativeMetadataFormatName());
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Node n = root.getFirstChild();
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while (n != null && !"iTXt".equals(n.getNodeName())) {
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n = n.getNextSibling();
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}
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if (n == null) {
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throw new RuntimeException("No iTXt node!");
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}
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ITXtTest t = ITXtTest.getFromNode((IIOMetadataNode)n);
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return t;
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} catch (Throwable e) {
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throw new RuntimeException("Reading test failed.", e);
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}
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}
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private static BufferedImage createBufferedImage() {
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BufferedImage image = new BufferedImage(128, 128,
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BufferedImage.TYPE_4BYTE_ABGR_PRE);
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Graphics2D graph = image.createGraphics();
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graph.setPaintMode();
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graph.setColor(Color.orange);
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graph.fillRect(32, 32, 64, 64);
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graph.dispose();
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return image;
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}
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}
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