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-/*
- * Copyright 2002 Paulo Soares
- *
- * The contents of this file are subject to the Mozilla Public License Version 1.1
- * (the "License"); you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the License.
- *
- * The Original Code is 'iText, a free JAVA-PDF library'.
- *
- * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
- * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
- * All Rights Reserved.
- * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
- * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
- *
- * Contributor(s): all the names of the contributors are added in the source code
- * where applicable.
- *
- * Alternatively, the contents of this file may be used under the terms of the
- * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
- * provisions of LGPL are applicable instead of those above. If you wish to
- * allow use of your version of this file only under the terms of the LGPL
- * License and not to allow others to use your version of this file under
- * the MPL, indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by the LGPL.
- * If you do not delete the provisions above, a recipient may use your version
- * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
- *
- * This library is free software; you can redistribute it and/or modify it
- * under the terms of the MPL as stated above or under the terms of the GNU
- * Library General Public License as published by the Free Software Foundation;
- * either version 2 of the License, or any later version.
- *
- * This library 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 Library general Public License for more
- * details.
- *
- * If you didn't download this code from the following link, you should check if
- * you aren't using an obsolete version:
- * http://www.lowagie.com/iText/
- */
-
-package com.lowagie.text.pdf;
-
-import com.lowagie.text.pdf.hyphenation.Hyphenator;
-import com.lowagie.text.pdf.hyphenation.Hyphenation;
-
-/** Hyphenates words automatically accordingly to the language and country.
- * The hyphenator engine was taken from FOP and uses the TEX patterns. If a language
- * is not provided and a TEX pattern for it exists, it can be easily adapted.
- *
- * @author Paulo Soares (psoares@consiste.pt)
- */
-public class HyphenationAuto implements HyphenationEvent {
-
- /** The hyphenator engine.
- */
- protected Hyphenator hyphenator;
- /** The second part of the hyphenated word.
- */
- protected String post;
-
- /** Creates a new hyphenation instance usable in <CODE>Chunk</CODE>.
- * @param lang the language ("en" for english, for example)
- * @param country the country ("GB" for Great-Britain or "none" for no country, for example)
- * @param leftMin the minimun number of letters before the hyphen
- * @param rightMin the minimun number of letters after the hyphen
- */
- public HyphenationAuto(String lang, String country, int leftMin, int rightMin) {
- hyphenator = new Hyphenator(lang, country, leftMin, rightMin);
- }
-
- /** Gets the hyphen symbol.
- * @return the hyphen symbol
- */
- public String getHyphenSymbol() {
- return "-";
- }
-
- /** Hyphenates a word and returns the first part of it. To get
- * the second part of the hyphenated word call <CODE>getHyphenatedWordPost()</CODE>.
- * @param word the word to hyphenate
- * @param font the font used by this word
- * @param fontSize the font size used by this word
- * @param remainingWidth the width available to fit this word in
- * @return the first part of the hyphenated word including
- * the hyphen symbol, if any
- */
- public String getHyphenatedWordPre(String word, BaseFont font, float fontSize, float remainingWidth) {
- post = word;
- String hyphen = getHyphenSymbol();
- float hyphenWidth = font.getWidthPoint(hyphen, fontSize);
- if (hyphenWidth > remainingWidth)
- return "";
- Hyphenation hyphenation = hyphenator.hyphenate(word);
- if (hyphenation == null) {
- return "";
- }
- int len = hyphenation.length();
- int k;
- for (k = 0; k < len; ++k) {
- if (font.getWidthPoint(hyphenation.getPreHyphenText(k), fontSize) + hyphenWidth > remainingWidth)
- break;
- }
- --k;
- if (k < 0)
- return "";
- post = hyphenation.getPostHyphenText(k);
- return hyphenation.getPreHyphenText(k) + hyphen;
- }
-
- /** Gets the second part of the hyphenated word. Must be called
- * after <CODE>getHyphenatedWordPre()</CODE>.
- * @return the second part of the hyphenated word
- */
- public String getHyphenatedWordPost() {
- return post;
- }
-
-}