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