82 lines
3.1 KiB
Java
82 lines
3.1 KiB
Java
/*
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* Copyright (c) 2005, 2017, 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 6287880
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* @summary Test verifies that default metadata for stream and image returned by
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* GIFImageWriter can be modified by the tree representation
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*/
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import java.awt.image.BufferedImage;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageTypeSpecifier;
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import javax.imageio.ImageWriteParam;
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import javax.imageio.ImageWriter;
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import javax.imageio.metadata.IIOInvalidTreeException;
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import javax.imageio.metadata.IIOMetadata;
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import javax.imageio.metadata.IIOMetadataNode;
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public class WriteMetadataTest {
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private static String format = "GIF";
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public static void main(String[] args) {
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ImageWriter w = ImageIO.getImageWritersByFormatName(format).next();
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if (w == null) {
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throw new RuntimeException("No available writers for format " + format);
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}
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ImageWriteParam p = w.getDefaultWriteParam();
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ImageTypeSpecifier t =
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ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
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IIOMetadata m = w.getDefaultImageMetadata(t, p);
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System.out.println("Default image metadata is " + m);
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testWritableMetadata(m);
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IIOMetadata sm = w.getDefaultStreamMetadata(p);
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System.out.println("Default stream metadata is " + sm);
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testWritableMetadata(sm);
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}
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public static void testWritableMetadata(IIOMetadata m) {
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String nativeFormatName =
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m.getNativeMetadataFormatName();
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System.out.println("Format: " + nativeFormatName);
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IIOMetadataNode root = (IIOMetadataNode)m.getAsTree(nativeFormatName);
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if (m.isReadOnly()) {
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throw new RuntimeException("Metadata is read only!");
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}
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try {
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m.setFromTree(nativeFormatName, root);
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} catch (IIOInvalidTreeException e) {
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e.printStackTrace();
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throw new RuntimeException("Test failed!", e);
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} catch (IllegalStateException e) {
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throw new RuntimeException("Test failed!", e);
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}
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System.out.println("Test passed.\n\n");
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}
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}
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