001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.imaging.formats.png;
018
019public abstract class AbstractPngText {
020    public static class Itxt extends AbstractPngText {
021
022        /*
023         * The language tag defined in [RFC-3066] indicates the human language used by the translated keyword and the text. Unlike the keyword, the language tag
024         * is case-insensitive. It is an ISO 646.IRV:1991 [ISO 646] string consisting of hyphen-separated words of 1-8 alphanumeric characters each (for example
025         * cn, en-uk, no-bok, x-klingon, x-KlInGoN). If the first word is two or three letters long, it is an ISO language code [ISO-639]. If the language tag
026         * is empty, the language is unspecified.
027         */
028        public final String languageTag;
029
030        public final String translatedKeyword;
031
032        public Itxt(final String keyword, final String text, final String languageTag, final String translatedKeyword) {
033            super(keyword, text);
034            this.languageTag = languageTag;
035            this.translatedKeyword = translatedKeyword;
036        }
037    }
038
039    public static class Text extends AbstractPngText {
040        public Text(final String keyword, final String text) {
041            super(keyword, text);
042        }
043    }
044
045    public static class Ztxt extends AbstractPngText {
046        public Ztxt(final String keyword, final String text) {
047            super(keyword, text);
048        }
049    }
050
051    public final String keyword;
052
053    public final String text;
054
055    public AbstractPngText(final String keyword, final String text) {
056        this.keyword = keyword;
057        this.text = text;
058    }
059
060}