/*
* $Id: AbstractCMap.java 5195 2012-06-18 14:25:30Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2012 1T3XT BVBA
* 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 1T3XT,
* 1T3XT 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.fonts.cmaps;
import com.itextpdf.text.pdf.PdfArray;
import com.itextpdf.text.pdf.PdfEncodings;
import com.itextpdf.text.pdf.PdfNumber;
import com.itextpdf.text.pdf.PdfObject;
import com.itextpdf.text.pdf.PdfString;
/**
*
* @author psoares
*/
public abstract class AbstractCMap {
private String cmapName;
private String registry;
private String ordering;
private int supplement;
public String getName() {
return cmapName;
}
void setName(String cmapName) {
this.cmapName = cmapName;
}
public String getOrdering() {
return ordering;
}
void setOrdering(String ordering) {
this.ordering = ordering;
}
public String getRegistry() {
return registry;
}
void setRegistry(String registry) {
this.registry = registry;
}
public int getSupplement() {
return supplement;
}
void setSupplement(int supplement) {
this.supplement = supplement;
}
abstract void addChar(PdfString mark, PdfObject code);
void addRange(PdfString from, PdfString to, PdfObject code) {
byte[] a1 = decodeStringToByte(from);
byte[] a2 = decodeStringToByte(to);
if (a1.length != a2.length || a1.length == 0)
throw new IllegalArgumentException("Invalid map.");
byte[] sout = null;
if (code instanceof PdfString)
sout = decodeStringToByte((PdfString)code);
int start = a1[a1.length - 1] & 0xff;
int end = a2[a2.length - 1] & 0xff;
for (int k = start; k <= end; ++k) {
a1[a1.length - 1] = (byte)k;
PdfString s = new PdfString(a1);
s.setHexWriting(true);
if (code instanceof PdfArray) {
addChar(s, ((PdfArray)code).getPdfObject(k - start));
}
else if (code instanceof PdfNumber) {
int nn = ((PdfNumber)code).intValue() + k - start;
addChar(s, new PdfNumber(nn));
}
else if (code instanceof PdfString) {
PdfString s1 = new PdfString(sout);
s1.setHexWriting(true);
++sout[sout.length - 1];
addChar(s, s1);
}
}
}
public static byte[] decodeStringToByte(PdfString s) {
byte[] b = s.getBytes();
byte[] br = new byte[b.length];
System.arraycopy(b, 0, br, 0, b.length);
return br;
}
public String decodeStringToUnicode(PdfString ps) {
if (ps.isHexWriting())
return PdfEncodings.convertToString(ps.getBytes(), "UnicodeBigUnmarked");
else
return ps.toUnicodeString();
}
}