com.itextpdf.io.font.cmap.CMapUniCid Maven / Gradle / Ivy
/*
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.
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or manipulated using iText.
You can be released from the requirements of the license by purchasing
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*/
package com.itextpdf.io.font.cmap;
import com.itextpdf.io.util.IntHashtable;
import com.itextpdf.io.util.TextUtil;
/**
* @author psoares
*/
public class CMapUniCid extends AbstractCMap {
private static final long serialVersionUID = -6111821751136011584L;
private IntHashtable map = new IntHashtable(65537);
@Override
void addChar(String mark, CMapObject code) {
if (code.isNumber()) {
int codePoint;
String s = toUnicodeString(mark, true);
if (TextUtil.isSurrogatePair(s, 0)) {
codePoint = TextUtil.convertToUtf32(s, 0);
} else {
codePoint = (int) s.charAt(0);
}
map.put(codePoint, (int)code.getValue());
}
}
public int lookup(int character) {
return map.get(character);
}
public CMapToUnicode exportToUnicode() {
CMapToUnicode uni = new CMapToUnicode();
int[] keys = map.toOrderedKeys();
for (int key : keys) {
uni.addChar(map.get(key), TextUtil.convertFromUtf32(key));
}
int spaceCid = lookup(32);
if (spaceCid != 0) {
uni.addChar(spaceCid, TextUtil.convertFromUtf32(32));
}
return uni;
}
}
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