/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 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 ' ';
}
}
}