Java tutorial
/* * * This file is part of the iText (R) project. Copyright (c) 1998-2019 iText Group NV * Authors: Bruno Lowagie, Paulo Soares, et al. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License version 3 * as published by the Free Software Foundation with the addition of the * following permission added to Section 15 as permitted in Section 7(a): * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT * OF THIRD PARTY RIGHTS * * This program 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 Affero General Public License for more details. * You should have received a copy of the GNU Affero General Public License * along with this program; if not, see http://www.gnu.org/licenses or write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA, 02110-1301 USA, or download the license from the following URL: * http://itextpdf.com/terms-of-use/ * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License. * * In accordance with Section 7(b) of the GNU Affero General Public License, * a covered work must retain the producer line in every PDF that is created * or manipulated using iText. * * You can be released from the requirements of the license by purchasing * a commercial license. Buying such a license is mandatory as soon as you * develop commercial activities involving the iText software without * disclosing the source code of your own applications. * These activities include: offering paid services to customers as an ASP, * serving PDFs on the fly in a web application, shipping iText with a closed * source product. * * For more information, please contact iText Software Corp. at this * address: sales@itextpdf.com */ package com.itextpdf.text; import com.itextpdf.text.Font.FontFamily; /** * This class contains the symbols that correspond with special symbols. * <P> * When you construct a <CODE>Phrase</CODE> with Phrase.getInstance using a <CODE>String</CODE>, * this <CODE>String</CODE> can contain special Symbols. These are characters with an int value * between 913 and 937 (except 930) and between 945 and 969. With this class the value of the * corresponding character of the Font Symbol, can be retrieved. * * @see Phrase * * @author Bruno Lowagie * @author Evelyne De Cordier */ public class SpecialSymbol { /** * Returns the first occurrence of a special symbol in a <CODE>String</CODE>. * * @param string a <CODE>String</CODE> * @return an index of -1 if no special symbol was found */ public static int index(String string) { int length = string.length(); for (int i = 0; i < length; i++) { if (getCorrespondingSymbol(string.charAt(i)) != ' ') { return i; } } return -1; } /** * Gets a chunk with a symbol character. * @param c a character that has to be changed into a symbol * @param font Font if there is no SYMBOL character corresponding with c * @return a SYMBOL version of a character */ public static Chunk get(char c, Font font) { char greek = SpecialSymbol.getCorrespondingSymbol(c); if (greek == ' ') { return new Chunk(String.valueOf(c), font); } Font symbol = new Font(FontFamily.SYMBOL, font.getSize(), font.getStyle(), font.getColor()); String s = String.valueOf(greek); return new Chunk(s, symbol); } /** * Looks for the corresponding symbol in the font Symbol. * * @param c the original ASCII-char * @return the corresponding symbol in font Symbol */ public static char getCorrespondingSymbol(char c) { switch (c) { case 913: return 'A'; // ALFA case 914: return 'B'; // BETA case 915: return 'G'; // GAMMA case 916: return 'D'; // DELTA case 917: return 'E'; // EPSILON case 918: return 'Z'; // ZETA case 919: return 'H'; // ETA case 920: return 'Q'; // THETA case 921: return 'I'; // IOTA case 922: return 'K'; // KAPPA case 923: return 'L'; // LAMBDA case 924: return 'M'; // MU case 925: return 'N'; // NU case 926: return 'X'; // XI case 927: return 'O'; // OMICRON case 928: return 'P'; // PI case 929: return 'R'; // RHO case 931: return 'S'; // SIGMA case 932: return 'T'; // TAU case 933: return 'U'; // UPSILON case 934: return 'F'; // PHI case 935: return 'C'; // CHI case 936: return 'Y'; // PSI case 937: return 'W'; // OMEGA case 945: return 'a'; // alfa case 946: return 'b'; // beta case 947: return 'g'; // gamma case 948: return 'd'; // delta case 949: return 'e'; // epsilon case 950: return 'z'; // zeta case 951: return 'h'; // eta case 952: return 'q'; // theta case 953: return 'i'; // iota case 954: return 'k'; // kappa case 955: return 'l'; // lambda case 956: return 'm'; // mu case 957: return 'n'; // nu case 958: return 'x'; // xi case 959: return 'o'; // omicron case 960: return 'p'; // pi case 961: return 'r'; // rho case 962: return 'V'; // sigma case 963: return 's'; // sigma case 964: return 't'; // tau case 965: return 'u'; // upsilon case 966: return 'f'; // phi case 967: return 'c'; // chi case 968: return 'y'; // psi case 969: return 'w'; // omega default: return ' '; } } }