| /* |
| * Copyright (c) 2000, 2017, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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 |
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| */ |
| |
| /** |
| * A package of the Java Image I/O API dealing with reading and writing |
| * metadata. |
| * <p> |
| * When reading an image, its per-stream and per-image metadata is made |
| * available as an {@code IIOMetadata} object. The internals of this object are |
| * specific to the plug-in that created it. Its contents may be accessed in the |
| * form of an XML {@code Document}, which is implemented as a tree of |
| * {@code IIOMetadataNode} objects. |
| * <p> |
| * When writing an image, its metadata may be set by defining or modifying an |
| * {@code IIOMetadata} object. Such an object may be obtained from an |
| * {@code ImageWriter} or {@code ImageTranscoder} (from the |
| * {@code javax.imageio} package). Once such an object has been obtained, its |
| * contents may be set of modified via a {@code Document} consisting of |
| * {@code IIOMetadataNode}s. The document format may optionally be described |
| * using an {@code IIOMetadataFormat} object. |
| * <p> |
| * The format of the metadata contained in the XML {@code Document} is |
| * identified by a string which appears as the root node of the tree of |
| * {@code IIOMetadataNode} objects. This string contains a version number, e.g. |
| * "javax_imageio_jpeg_image_1.0". Readers and writers may support multiple |
| * versions of the same basic format and the Image I/O API has methods that |
| * allow specifying which version to use by passing the string to the |
| * method/constructor used to obtain an {@code IIOMetadata} object. In some |
| * cases, a more recent version may not be strictly compatible with a program |
| * written expecting an older version (for an example, see the Native Metadata |
| * Format section of the JPEG Metadata Usage Notes below). |
| * <p> |
| * Plug-ins may choose to support a |
| * <A HREF="doc-files/standard_metadata.html">standard (plug-in neutral) format |
| * </A>. This format does not provide lossless encoding of metadata, but allows |
| * a portion of the metadata to be accessed in a generic manner. |
| * <p> |
| * Each of the standard plug-ins supports a so-called "native" metadata format, |
| * which encodes its metadata losslessly: |
| * <ul> |
| * <li><A HREF="doc-files/bmp_metadata.html">BMP metadata</A></li> |
| * <li><A HREF="doc-files/gif_metadata.html">GIF metadata</A></li> |
| * <li><A HREF="doc-files/jpeg_metadata.html">JPEG metadata</A></li> |
| * <li><A HREF="doc-files/png_metadata.html">PNG metadata</A></li> |
| * <li><A HREF="doc-files/tiff_metadata.html#StreamMetadata"> |
| * TIFF metadata</A></li> |
| * <li><A HREF="doc-files/wbmp_metadata.html">WBMP metadata</A></li> |
| * </ul> |
| * @since 1.4 |
| */ |
| package javax.imageio.metadata; |
