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