75 lines
2.6 KiB
Java
75 lines
2.6 KiB
Java
/*
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* Copyright (c) 2014, 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 4991647
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* @summary PNGMetadata.getAsTree() sets bitDepth to invalid value
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* @run main PngDitDepthTest
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*/
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import org.w3c.dom.Node;
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import javax.imageio.ImageIO;
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import javax.imageio.ImageTypeSpecifier;
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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 java.awt.image.ColorModel;
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import java.awt.image.SampleModel;
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import java.util.Iterator;
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public class PngDitDepthTest {
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public static void main(String[] args) throws IIOInvalidTreeException {
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// getting the writer for the png format
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Iterator iter = ImageIO.getImageWritersByFormatName("png");
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ImageWriter writer = (ImageWriter) iter.next();
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// creating a color model
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ColorModel colorModel = ColorModel.getRGBdefault();
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// creating a sample model
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SampleModel sampleModel = colorModel.createCompatibleSampleModel(640, 480);
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// creating a default metadata object
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IIOMetadata metaData = writer.getDefaultImageMetadata(new ImageTypeSpecifier(colorModel, sampleModel), null);
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String formatName = metaData.getNativeMetadataFormatName();
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// first call
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Node metaDataNode = metaData.getAsTree(formatName);
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try {
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metaData.setFromTree(formatName, metaDataNode);
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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// second call (bitdepht is already set to an invalid value)
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metaDataNode = metaData.getAsTree(formatName);
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metaData.setFromTree(formatName, metaDataNode);
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}
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}
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