| /* |
| * Copyright (c) 2005, 2016, 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package javax.imageio.plugins.tiff; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A class representing the tags found in a GeoTIFF IFD. GeoTIFF is a |
| * standard for annotating georeferenced or geocoded raster imagery. |
| * The GeoTIFF specification may be found at <a |
| * href="http://www.remotesensing.org/geotiff/spec/geotiffhome.html"> |
| * {@code http://www.remotesensing.org/geotiff/spec/geotiffhome.html} |
| * </a>. This class does <i>not</i> handle the <i>GeoKey</i>s referenced |
| * from a <i>GeoKeyDirectoryTag</i> as those are not TIFF tags per se. |
| * |
| * <p>The definitions of the data types referenced by the field |
| * definitions may be found in the {@link TIFFTag TIFFTag} class.</p> |
| * |
| * @since 9 |
| */ |
| public final class GeoTIFFTagSet extends TIFFTagSet { |
| |
| private static GeoTIFFTagSet theInstance = null; |
| |
| /** |
| * A tag used to specify the size of raster pixel spacing in |
| * model space units. |
| */ |
| public static final int TAG_MODEL_PIXEL_SCALE = 33550; |
| |
| /** |
| * A tag used to specify the transformation matrix between the raster |
| * space and the model space. |
| */ |
| public static final int TAG_MODEL_TRANSFORMATION = 34264; |
| |
| /** A tag used to store raster-to-model tiepoint pairs. */ |
| public static final int TAG_MODEL_TIE_POINT = 33922; |
| |
| /** A tag used to store the <i>GeoKey</i> directory. */ |
| public static final int TAG_GEO_KEY_DIRECTORY = 34735; |
| |
| /** A tag used to store all {@code double}-values <i>GeoKey</i>s. */ |
| public static final int TAG_GEO_DOUBLE_PARAMS = 34736; |
| |
| /** A tag used to store all ASCII-values <i>GeoKey</i>s. */ |
| public static final int TAG_GEO_ASCII_PARAMS = 34737; |
| |
| // GeoTIFF tags |
| |
| static class ModelPixelScale extends TIFFTag { |
| public ModelPixelScale() { |
| super("ModelPixelScaleTag", |
| TAG_MODEL_PIXEL_SCALE, |
| 1 << TIFFTag.TIFF_DOUBLE); |
| } |
| } |
| |
| static class ModelTransformation extends TIFFTag { |
| public ModelTransformation() { |
| super("ModelTransformationTag", |
| TAG_MODEL_TRANSFORMATION, |
| 1 << TIFFTag.TIFF_DOUBLE); |
| } |
| } |
| |
| static class ModelTiepoint extends TIFFTag { |
| public ModelTiepoint() { |
| super("ModelTiepointTag", |
| TAG_MODEL_TIE_POINT, |
| 1 << TIFFTag.TIFF_DOUBLE); |
| } |
| } |
| |
| static class GeoKeyDirectory extends TIFFTag { |
| public GeoKeyDirectory() { |
| super("GeoKeyDirectoryTag", |
| TAG_GEO_KEY_DIRECTORY, |
| 1 << TIFFTag.TIFF_SHORT); |
| } |
| } |
| |
| static class GeoDoubleParams extends TIFFTag { |
| public GeoDoubleParams() { |
| super("GeoDoubleParamsTag", |
| TAG_GEO_DOUBLE_PARAMS, |
| 1 << TIFFTag.TIFF_DOUBLE); |
| } |
| } |
| |
| static class GeoAsciiParams extends TIFFTag { |
| public GeoAsciiParams() { |
| super("GeoAsciiParamsTag", |
| TAG_GEO_ASCII_PARAMS, |
| 1 << TIFFTag.TIFF_ASCII); |
| } |
| } |
| |
| private static List<TIFFTag> tags; |
| |
| private static void initTags() { |
| tags = new ArrayList<TIFFTag>(42); |
| |
| tags.add(new GeoTIFFTagSet.ModelPixelScale()); |
| tags.add(new GeoTIFFTagSet.ModelTransformation()); |
| tags.add(new GeoTIFFTagSet.ModelTiepoint()); |
| tags.add(new GeoTIFFTagSet.GeoKeyDirectory()); |
| tags.add(new GeoTIFFTagSet.GeoDoubleParams()); |
| tags.add(new GeoTIFFTagSet.GeoAsciiParams()); |
| } |
| |
| private GeoTIFFTagSet() { |
| super(tags); |
| } |
| |
| /** |
| * Returns a shared instance of a {@code GeoTIFFTagSet}. |
| * |
| * @return a {@code GeoTIFFTagSet} instance. |
| */ |
| public synchronized static GeoTIFFTagSet getInstance() { |
| if (theInstance == null) { |
| initTags(); |
| theInstance = new GeoTIFFTagSet(); |
| tags = null; |
| } |
| return theInstance; |
| } |
| } |