| /* |
| * 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 extra tags found in a |
| * <a href="http://tools.ietf.org/html/rfc2306"> TIFF-F</a> (RFC 2036) file. |
| * |
| * @since 9 |
| */ |
| public class FaxTIFFTagSet extends TIFFTagSet { |
| |
| private static FaxTIFFTagSet theInstance = null; |
| |
| /** Tag indicating the number of bad fax lines (type SHORT or LONG). */ |
| public static final int TAG_BAD_FAX_LINES = 326; |
| |
| /** |
| * Tag indicating the number of lines of clean fax data (type |
| * SHORT). |
| * |
| * @see #CLEAN_FAX_DATA_NO_ERRORS |
| * @see #CLEAN_FAX_DATA_ERRORS_CORRECTED |
| * @see #CLEAN_FAX_DATA_ERRORS_UNCORRECTED |
| */ |
| public static final int TAG_CLEAN_FAX_DATA = 327; |
| |
| /** |
| * A value to be used with the "CleanFaxData" tag. |
| * |
| * @see #TAG_CLEAN_FAX_DATA |
| */ |
| public static final int CLEAN_FAX_DATA_NO_ERRORS = 0; |
| |
| /** |
| * A value to be used with the "CleanFaxData" tag. |
| * |
| * @see #TAG_CLEAN_FAX_DATA |
| */ |
| public static final int CLEAN_FAX_DATA_ERRORS_CORRECTED = 1; |
| |
| /** |
| * A value to be used with the "CleanFaxData" tag. |
| * |
| * @see #TAG_CLEAN_FAX_DATA |
| */ |
| public static final int CLEAN_FAX_DATA_ERRORS_UNCORRECTED = 2; |
| |
| /** |
| * Tag indicating the number of consecutive bad lines (type |
| * SHORT or LONG). |
| */ |
| public static final int TAG_CONSECUTIVE_BAD_LINES = 328; |
| |
| static class BadFaxLines extends TIFFTag { |
| |
| public BadFaxLines() { |
| super("BadFaxLines", |
| TAG_BAD_FAX_LINES, |
| 1 << TIFF_SHORT | |
| 1 << TIFF_LONG, |
| 1); |
| } |
| } |
| |
| static class CleanFaxData extends TIFFTag { |
| |
| public CleanFaxData() { |
| super("CleanFaxData", |
| TAG_CLEAN_FAX_DATA, |
| 1 << TIFF_SHORT, |
| 1); |
| |
| addValueName(CLEAN_FAX_DATA_NO_ERRORS, |
| "No errors"); |
| addValueName(CLEAN_FAX_DATA_ERRORS_CORRECTED, |
| "Errors corrected"); |
| addValueName(CLEAN_FAX_DATA_ERRORS_UNCORRECTED, |
| "Errors uncorrected"); |
| } |
| } |
| |
| static class ConsecutiveBadFaxLines extends TIFFTag { |
| |
| public ConsecutiveBadFaxLines() { |
| super("ConsecutiveBadFaxLines", |
| TAG_CONSECUTIVE_BAD_LINES, |
| 1 << TIFF_SHORT | |
| 1 << TIFF_LONG, |
| 1); |
| } |
| } |
| |
| private static List<TIFFTag> tags; |
| |
| private static void initTags() { |
| tags = new ArrayList<TIFFTag>(42); |
| |
| tags.add(new FaxTIFFTagSet.BadFaxLines()); |
| tags.add(new FaxTIFFTagSet.CleanFaxData()); |
| tags.add(new FaxTIFFTagSet.ConsecutiveBadFaxLines()); |
| } |
| |
| private FaxTIFFTagSet() { |
| super(tags); |
| } |
| |
| /** |
| * Returns a shared instance of a {@code FaxTIFFTagSet}. |
| * |
| * @return a {@code FaxTIFFTagSet} instance. |
| */ |
| public synchronized static FaxTIFFTagSet getInstance() { |
| if (theInstance == null) { |
| initTags(); |
| theInstance = new FaxTIFFTagSet(); |
| tags = null; |
| } |
| return theInstance; |
| } |
| } |