iText 5 itextpdf.jar Source Code

itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

✍: FYIcenter.com

com/itextpdf/text/pdf/PdfEncodings.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 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.pdf;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;

import com.itextpdf.text.ExceptionConverter;
import java.nio.CharBuffer;
import java.nio.charset.Charset;
import java.nio.charset.CharsetEncoder;
import java.nio.charset.CodingErrorAction;
/** Supports fast encodings for winansi and PDFDocEncoding.
 * Supports conversions from CJK encodings to CID.
 * Supports custom encodings.
 * @author Paulo Soares
 */
public class PdfEncodings {
    static final char winansiByteToChar[] = {
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
        16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
        32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
        48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
        64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
        80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
        96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
        112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
        8364, 65533, 8218, 402, 8222, 8230, 8224, 8225, 710, 8240, 352, 8249, 338, 65533, 381, 65533,
        65533, 8216, 8217, 8220, 8221, 8226, 8211, 8212, 732, 8482, 353, 8250, 339, 65533, 382, 376,
        160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
        176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
        192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
        208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
        224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
        240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};

    static final char pdfEncodingByteToChar[] = {
        0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
        16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
        32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
        48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
        64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
        80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
        96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111,
        112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,
        0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x0192, 0x2044, 0x2039, 0x203a, 0x2212, 0x2030, 0x201e, 0x201c, 0x201d, 0x2018,
        0x2019, 0x201a, 0x2122, 0xfb01, 0xfb02, 0x0141, 0x0152, 0x0160, 0x0178, 0x017d, 0x0131, 0x0142, 0x0153, 0x0161, 0x017e, 65533,
        0x20ac, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175,
        176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191,
        192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207,
        208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223,
        224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
        240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};

    static final IntHashtable winansi = new IntHashtable();

    static final IntHashtable pdfEncoding = new IntHashtable();

    static HashMap<String, ExtraEncoding> extraEncodings = new HashMap<String, ExtraEncoding>();

    static {
        for (int k = 128; k < 161; ++k) {
            char c = winansiByteToChar[k];
            if (c != 65533)
                winansi.put(c, k);
        }

        for (int k = 128; k < 161; ++k) {
            char c = pdfEncodingByteToChar[k];
            if (c != 65533)
                pdfEncoding.put(c, k);
        }

        addExtraEncoding("Wingdings", new WingdingsConversion());
        addExtraEncoding("Symbol", new SymbolConversion(true));
        addExtraEncoding("ZapfDingbats", new SymbolConversion(false));
        addExtraEncoding("SymbolTT", new SymbolTTConversion());
        addExtraEncoding("Cp437", new Cp437Conversion());
    }

    /** Converts a <CODE>String</CODE> to a </CODE>byte</CODE> array according
     * to the font's encoding.
     * @return an array of <CODE>byte</CODE> representing the conversion according to the font's encoding
     * @param encoding the encoding
     * @param text the <CODE>String</CODE> to be converted
     */
    public static final byte[] convertToBytes(String text, String encoding) {
        if (text == null)
            return new byte[0];
        if (encoding == null || encoding.length() == 0) {
            int len = text.length();
            byte b[] = new byte[len];
            for (int k = 0; k < len; ++k)
                b[k] = (byte)text.charAt(k);
            return b;
        }
        ExtraEncoding extra = extraEncodings.get(encoding.toLowerCase());
        if (extra != null) {
            byte b[] = extra.charToByte(text, encoding);
            if (b != null)
                return b;
        }
        IntHashtable hash = null;
        if (encoding.equals(BaseFont.WINANSI))
            hash = winansi;
        else if (encoding.equals(PdfObject.TEXT_PDFDOCENCODING))
            hash = pdfEncoding;
        if (hash != null) {
            char cc[] = text.toCharArray();
            int len = cc.length;
            int ptr = 0;
            byte b[] = new byte[len];
            int c = 0;
            for (int k = 0; k < len; ++k) {
                char char1 = cc[k];
                if (char1 < 128 || char1 > 160 && char1 <= 255)
                    c = char1;
                else
                    c = hash.get(char1);
                if (c != 0)
                    b[ptr++] = (byte)c;
            }
            if (ptr == len)
                return b;
            byte b2[] = new byte[ptr];
            System.arraycopy(b, 0, b2, 0, ptr);
            return b2;
        }
        if (encoding.equals(PdfObject.TEXT_UNICODE)) {
            // workaround for jdk 1.2.2 bug
            char cc[] = text.toCharArray();
            int len = cc.length;
            byte b[] = new byte[cc.length * 2 + 2];
            b[0] = -2;
            b[1] = -1;
            int bptr = 2;
            for (int k = 0; k < len; ++k) {
                char c = cc[k];
                b[bptr++] = (byte)(c >> 8);
                b[bptr++] = (byte)(c & 0xff);
            }
            return b;
        }
        try {
            Charset cc = Charset.forName(encoding);
            CharsetEncoder ce = cc.newEncoder();
            ce.onUnmappableCharacter(CodingErrorAction.IGNORE);
            CharBuffer cb = CharBuffer.wrap(text.toCharArray());
            java.nio.ByteBuffer bb = ce.encode(cb);
            bb.rewind();
            int lim = bb.limit();
            byte[] br = new byte[lim];
            bb.get(br);
            return br;
        }
        catch (IOException e) {
            throw new ExceptionConverter(e);
        }
    }

    /** Converts a <CODE>String</CODE> to a </CODE>byte</CODE> array according
     * to the font's encoding.
     * @return an array of <CODE>byte</CODE> representing the conversion according to the font's encoding
     * @param encoding the encoding
     * @param char1 the <CODE>char</CODE> to be converted
     */
    public static final byte[] convertToBytes(char char1, String encoding) {
        if (encoding == null || encoding.length() == 0)
            return new byte[]{(byte)char1};
        ExtraEncoding extra = extraEncodings.get(encoding.toLowerCase());
        if (extra != null) {
            byte b[] = extra.charToByte(char1, encoding);
            if (b != null)
                return b;
        }
        IntHashtable hash = null;
        if (encoding.equals(BaseFont.WINANSI))
            hash = winansi;
        else if (encoding.equals(PdfObject.TEXT_PDFDOCENCODING))
            hash = pdfEncoding;
        if (hash != null) {
            int c = 0;
            if (char1 < 128 || char1 > 160 && char1 <= 255)
                c = char1;
            else
                c = hash.get(char1);
            if (c != 0)
                return new byte[]{(byte)c};
            else
                return new byte[0];
        }
        if (encoding.equals(PdfObject.TEXT_UNICODE)) {
            // workaround for jdk 1.2.2 bug
            byte b[] = new byte[4];
            b[0] = -2;
            b[1] = -1;
            b[2] = (byte)(char1 >> 8);
            b[3] = (byte)(char1 & 0xff);
            return b;
        }
        try {
            Charset cc = Charset.forName(encoding);
            CharsetEncoder ce = cc.newEncoder();
            ce.onUnmappableCharacter(CodingErrorAction.IGNORE);
            CharBuffer cb = CharBuffer.wrap(new char[]{char1});
            java.nio.ByteBuffer bb = ce.encode(cb);
            bb.rewind();
            int lim = bb.limit();
            byte[] br = new byte[lim];
            bb.get(br);
            return br;
        }
        catch (IOException e) {
            throw new ExceptionConverter(e);
        }
    }

    /** Converts a </CODE>byte</CODE> array to a <CODE>String</CODE> according
     * to the some encoding.
     * @param bytes the bytes to convert
     * @param encoding the encoding
     * @return the converted <CODE>String</CODE>
     */
    public static final String convertToString(byte bytes[], String encoding) {
        if (bytes == null)
            return PdfObject.NOTHING;
        if (encoding == null || encoding.length() == 0) {
            char c[] = new char[bytes.length];
            for (int k = 0; k < bytes.length; ++k)
                c[k] = (char)(bytes[k] & 0xff);
            return new String(c);
        }
        ExtraEncoding extra = extraEncodings.get(encoding.toLowerCase());
        if (extra != null) {
            String text = extra.byteToChar(bytes, encoding);
            if (text != null)
                return text;
        }
        char ch[] = null;
        if (encoding.equals(BaseFont.WINANSI))
            ch = winansiByteToChar;
        else if (encoding.equals(PdfObject.TEXT_PDFDOCENCODING))
            ch = pdfEncodingByteToChar;
        if (ch != null) {
            int len = bytes.length;
            char c[] = new char[len];
            for (int k = 0; k < len; ++k) {
                c[k] = ch[bytes[k] & 0xff];
            }
            return new String(c);
        }
        try {
            return new String(bytes, encoding);
        }
        catch (UnsupportedEncodingException e) {
            throw new ExceptionConverter(e);
        }
    }

    /** Checks is <CODE>text</CODE> only has PdfDocEncoding characters.
     * @param text the <CODE>String</CODE> to test
     * @return <CODE>true</CODE> if only PdfDocEncoding characters are present
     */
    public static boolean isPdfDocEncoding(String text) {
        if (text == null)
            return true;
        int len = text.length();
        for (int k = 0; k < len; ++k) {
            char char1 = text.charAt(k);
            if (char1 < 128 || char1 > 160 && char1 <= 255)
                continue;
            if (!pdfEncoding.containsKey(char1))
                return false;
        }
        return true;
    }

    /** Adds an extra encoding.
     * @param name the name of the encoding. The encoding recognition is case insensitive
     * @param enc the conversion class
     */
    @SuppressWarnings("unchecked")
    public static void addExtraEncoding(String name, ExtraEncoding enc) {
        synchronized (extraEncodings) { // This serializes concurrent updates
            HashMap<String, ExtraEncoding> newEncodings = (HashMap<String, ExtraEncoding>)extraEncodings.clone();
            newEncodings.put(name.toLowerCase(), enc);
            extraEncodings = newEncodings;  // This swap does not require synchronization with reader
        }
    }

    private static class WingdingsConversion implements ExtraEncoding {

        public byte[] charToByte(char char1, String encoding) {
            if (char1 == ' ')
                return new byte[]{(byte)char1};
            else if (char1 >= '\u2701' && char1 <= '\u27BE') {
                byte v = table[char1 - 0x2700];
                if (v != 0)
                    return new byte[]{v};
            }
            return new byte[0];
        }

        public byte[] charToByte(String text, String encoding) {
            char cc[] = text.toCharArray();
            byte b[] = new byte[cc.length];
            int ptr = 0;
            int len = cc.length;
            for (int k = 0; k < len; ++k) {
                char c = cc[k];
                if (c == ' ')
                    b[ptr++] = (byte)c;
                else if (c >= '\u2701' && c <= '\u27BE') {
                    byte v = table[c - 0x2700];
                    if (v != 0)
                        b[ptr++] = v;
                }
            }
            if (ptr == len)
                return b;
            byte b2[] = new byte[ptr];
            System.arraycopy(b, 0, b2, 0, ptr);
            return b2;
        }

        public String byteToChar(byte[] b, String encoding) {
            return null;
        }

        private final static byte table[] = {
            0, 35, 34, 0, 0, 0, 41, 62, 81, 42,
            0, 0, 65, 63, 0, 0, 0, 0, 0, -4,
            0, 0, 0, -5, 0, 0, 0, 0, 0, 0,
            86, 0, 88, 89, 0, 0, 0, 0, 0, 0,
            0, 0, -75, 0, 0, 0, 0, 0, -74, 0,
            0, 0, -83, -81, -84, 0, 0, 0, 0, 0,
            0, 0, 0, 124, 123, 0, 0, 0, 84, 0,
            0, 0, 0, 0, 0, 0, 0, -90, 0, 0,
            0, 113, 114, 0, 0, 0, 117, 0, 0, 0,
            0, 0, 0, 125, 126, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 0, 0, 0, 0, 0, 0, 0, -116, -115,
            -114, -113, -112, -111, -110, -109, -108, -107, -127, -126,
            -125, -124, -123, -122, -121, -120, -119, -118, -116, -115,
            -114, -113, -112, -111, -110, -109, -108, -107, -24, 0,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, -24, -40, 0, 0, -60, -58, 0, 0, -16,
            0, 0, 0, 0, 0, 0, 0, 0, 0, -36,
            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0
        };
    }

    private static class Cp437Conversion implements ExtraEncoding {
        private static IntHashtable c2b = new IntHashtable();

        public byte[] charToByte(String text, String encoding) {
            char cc[] = text.toCharArray();
            byte b[] = new byte[cc.length];
            int ptr = 0;
            int len = cc.length;
            for (int k = 0; k < len; ++k) {
                char c = cc[k];
                if (c < 128)
                    b[ptr++] = (byte)c;
                else {
                    byte v = (byte)c2b.get(c);
                    if (v != 0)
                        b[ptr++] = v;
                }
            }
            if (ptr == len)
                return b;
            byte b2[] = new byte[ptr];
            System.arraycopy(b, 0, b2, 0, ptr);
            return b2;
        }

        public byte[] charToByte(char char1, String encoding) {
            if (char1 < 128)
                return new byte[]{(byte)char1};
            else {
                byte v = (byte)c2b.get(char1);
                if (v != 0)
                    return new byte[]{v};
                else
                    return new byte[0];
            }
        }

        public String byteToChar(byte[] b, String encoding) {
            int len = b.length;
            char cc[] = new char[len];
            int ptr = 0;
            for (int k = 0; k < len; ++k) {
                int c = b[k] & 0xff;
                if (c < ' ')
                    continue;
                if (c < 128)
                    cc[ptr++] = (char)c;
                else {
                    char v = table[c - 128];
                    cc[ptr++] = v;
                }
            }
            return new String(cc, 0, ptr);
        }

        private final static char table[] = {
            '\u00C7', '\u00FC', '\u00E9', '\u00E2', '\u00E4', '\u00E0', '\u00E5', '\u00E7', '\u00EA', '\u00EB', '\u00E8', '\u00EF', '\u00EE', '\u00EC', '\u00C4', '\u00C5',
            '\u00C9', '\u00E6', '\u00C6', '\u00F4', '\u00F6', '\u00F2', '\u00FB', '\u00F9', '\u00FF', '\u00D6', '\u00DC', '\u00A2', '\u00A3', '\u00A5', '\u20A7', '\u0192',
            '\u00E1', '\u00ED', '\u00F3', '\u00FA', '\u00F1', '\u00D1', '\u00AA', '\u00BA', '\u00BF', '\u2310', '\u00AC', '\u00BD', '\u00BC', '\u00A1', '\u00AB', '\u00BB',
            '\u2591', '\u2592', '\u2593', '\u2502', '\u2524', '\u2561', '\u2562', '\u2556', '\u2555', '\u2563', '\u2551', '\u2557', '\u255D', '\u255C', '\u255B', '\u2510',
            '\u2514', '\u2534', '\u252C', '\u251C', '\u2500', '\u253C', '\u255E', '\u255F', '\u255A', '\u2554', '\u2569', '\u2566', '\u2560', '\u2550', '\u256C', '\u2567',
            '\u2568', '\u2564', '\u2565', '\u2559', '\u2558', '\u2552', '\u2553', '\u256B', '\u256A', '\u2518', '\u250C', '\u2588', '\u2584', '\u258C', '\u2590', '\u2580',
            '\u03B1', '\u00DF', '\u0393', '\u03C0', '\u03A3', '\u03C3', '\u00B5', '\u03C4', '\u03A6', '\u0398', '\u03A9', '\u03B4', '\u221E', '\u03C6', '\u03B5', '\u2229',
            '\u2261', '\u00B1', '\u2265', '\u2264', '\u2320', '\u2321', '\u00F7', '\u2248', '\u00B0', '\u2219', '\u00B7', '\u221A', '\u207F', '\u00B2', '\u25A0', '\u00A0'
        };

        static {
            for (int k = 0; k < table.length; ++k)
                c2b.put(table[k], k + 128);
        }
    }

    private static class SymbolConversion implements ExtraEncoding {

        private static final IntHashtable t1 = new IntHashtable();
        private static final IntHashtable t2 = new IntHashtable();
        private IntHashtable translation;
        private final char[] byteToChar;

        SymbolConversion(boolean symbol) {
            if (symbol) {
                translation = t1;
                byteToChar = table1;
            } else {
                translation = t2;
                byteToChar = table2;
            }
        }

        public byte[] charToByte(String text, String encoding) {
            char cc[] = text.toCharArray();
            byte b[] = new byte[cc.length];
            int ptr = 0;
            int len = cc.length;
            for (int k = 0; k < len; ++k) {
                char c = cc[k];
                byte v = (byte)translation.get(c);
                if (v != 0)
                    b[ptr++] = v;
            }
            if (ptr == len)
                return b;
            byte b2[] = new byte[ptr];
            System.arraycopy(b, 0, b2, 0, ptr);
            return b2;
        }

        public byte[] charToByte(char char1, String encoding) {
            byte v = (byte)translation.get(char1);
            if (v != 0)
                return new byte[]{v};
            else
                return new byte[0];
        }

        public String byteToChar(byte[] b, String encoding) {
            int len = b.length;
            char cc[] = new char[len];
            int ptr = 0;
            for (int k = 0; k < len; ++k) {
                int c = b[k] & 0xff;
                char v = byteToChar[c];
                cc[ptr++] = v;
            }
            return new String(cc, 0, ptr);
        }

        private final static char table1[] = {
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            ' ','!','\u2200','#','\u2203','%','&','\u220b','(',')','*','+',',','-','.','/',
            '0','1','2','3','4','5','6','7','8','9',':',';','<','=','>','?',
            '\u2245','\u0391','\u0392','\u03a7','\u0394','\u0395','\u03a6','\u0393','\u0397','\u0399','\u03d1','\u039a','\u039b','\u039c','\u039d','\u039f',
            '\u03a0','\u0398','\u03a1','\u03a3','\u03a4','\u03a5','\u03c2','\u03a9','\u039e','\u03a8','\u0396','[','\u2234',']','\u22a5','_',
            '\u0305','\u03b1','\u03b2','\u03c7','\u03b4','\u03b5','\u03d5','\u03b3','\u03b7','\u03b9','\u03c6','\u03ba','\u03bb','\u03bc','\u03bd','\u03bf',
            '\u03c0','\u03b8','\u03c1','\u03c3','\u03c4','\u03c5','\u03d6','\u03c9','\u03be','\u03c8','\u03b6','{','|','}','~','\0',
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\u20ac','\u03d2','\u2032','\u2264','\u2044','\u221e','\u0192','\u2663','\u2666','\u2665','\u2660','\u2194','\u2190','\u2191','\u2192','\u2193',
            '\u00b0','\u00b1','\u2033','\u2265','\u00d7','\u221d','\u2202','\u2022','\u00f7','\u2260','\u2261','\u2248','\u2026','\u2502','\u2500','\u21b5',
            '\u2135','\u2111','\u211c','\u2118','\u2297','\u2295','\u2205','\u2229','\u222a','\u2283','\u2287','\u2284','\u2282','\u2286','\u2208','\u2209',
            '\u2220','\u2207','\u00ae','\u00a9','\u2122','\u220f','\u221a','\u22c5','\u00ac','\u2227','\u2228','\u21d4','\u21d0','\u21d1','\u21d2','\u21d3',
            '\u25ca','\u2329','\0','\0','\0','\u2211','\u239b','\u239c','\u239d','\u23a1','\u23a2','\u23a3','\u23a7','\u23a8','\u23a9','\u23aa',
            '\0','\u232a','\u222b','\u2320','\u23ae','\u2321','\u239e','\u239f','\u23a0','\u23a4','\u23a5','\u23a6','\u23ab','\u23ac','\u23ad','\0'
        };

        private final static char table2[] = {
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\u0020','\u2701','\u2702','\u2703','\u2704','\u260e','\u2706','\u2707','\u2708','\u2709','\u261b','\u261e','\u270C','\u270D','\u270E','\u270F',
            '\u2710','\u2711','\u2712','\u2713','\u2714','\u2715','\u2716','\u2717','\u2718','\u2719','\u271A','\u271B','\u271C','\u271D','\u271E','\u271F',
            '\u2720','\u2721','\u2722','\u2723','\u2724','\u2725','\u2726','\u2727','\u2605','\u2729','\u272A','\u272B','\u272C','\u272D','\u272E','\u272F',
            '\u2730','\u2731','\u2732','\u2733','\u2734','\u2735','\u2736','\u2737','\u2738','\u2739','\u273A','\u273B','\u273C','\u273D','\u273E','\u273F',
            '\u2740','\u2741','\u2742','\u2743','\u2744','\u2745','\u2746','\u2747','\u2748','\u2749','\u274A','\u274B','\u25cf','\u274D','\u25a0','\u274F',
            '\u2750','\u2751','\u2752','\u25b2','\u25bc','\u25c6','\u2756','\u25d7','\u2758','\u2759','\u275A','\u275B','\u275C','\u275D','\u275E','\u0000',
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0','\0',
            '\u0000','\u2761','\u2762','\u2763','\u2764','\u2765','\u2766','\u2767','\u2663','\u2666','\u2665','\u2660','\u2460','\u2461','\u2462','\u2463',
            '\u2464','\u2465','\u2466','\u2467','\u2468','\u2469','\u2776','\u2777','\u2778','\u2779','\u277A','\u277B','\u277C','\u277D','\u277E','\u277F',
            '\u2780','\u2781','\u2782','\u2783','\u2784','\u2785','\u2786','\u2787','\u2788','\u2789','\u278A','\u278B','\u278C','\u278D','\u278E','\u278F',
            '\u2790','\u2791','\u2792','\u2793','\u2794','\u2192','\u2194','\u2195','\u2798','\u2799','\u279A','\u279B','\u279C','\u279D','\u279E','\u279F',
            '\u27A0','\u27A1','\u27A2','\u27A3','\u27A4','\u27A5','\u27A6','\u27A7','\u27A8','\u27A9','\u27AA','\u27AB','\u27AC','\u27AD','\u27AE','\u27AF',
            '\u0000','\u27B1','\u27B2','\u27B3','\u27B4','\u27B5','\u27B6','\u27B7','\u27B8','\u27B9','\u27BA','\u27BB','\u27BC','\u27BD','\u27BE','\u0000'
        };

        static {
            for (int k = 0; k < 256; ++k) {
                int v = table1[k];
                if (v != 0)
                    t1.put(v, k);
            }
            for (int k = 0; k < 256; ++k) {
                int v = table2[k];
                if (v != 0)
                    t2.put(v, k);
            }
        }
    }

    private static class SymbolTTConversion implements ExtraEncoding {

        public byte[] charToByte(char char1, String encoding) {
            if ((char1 & 0xff00) == 0 || (char1 & 0xff00) == 0xf000)
                return new byte[]{(byte)char1};
            else
                return new byte[0];
        }

        public byte[] charToByte(String text, String encoding) {
            char ch[] = text.toCharArray();
            byte b[] = new byte[ch.length];
            int ptr = 0;
            int len = ch.length;
            for (int k = 0; k < len; ++k) {
                char c = ch[k];
                if ((c & 0xff00) == 0 || (c & 0xff00) == 0xf000)
                    b[ptr++] = (byte)c;
            }
            if (ptr == len)
                return b;
            byte b2[] = new byte[ptr];
            System.arraycopy(b, 0, b2, 0, ptr);
            return b2;
        }

        public String byteToChar(byte[] b, String encoding) {
            return null;
        }

    }
}

com/itextpdf/text/pdf/PdfEncodings.java

 

⇒ iText-2.1.6.jar - iText, a JAVA-PDF library

⇐ iText layout.jar Source Code

⇑ Download and Install iText Java Library

⇑⇑ iText for PDF Generation

2021-07-03, 48096👍, 0💬