com.itextpdf.text.pdf.fonts.cmaps.CMapUniCid Maven / Gradle / Ivy
/*
* $Id: 9fb79f4fd8bb5be5141702e5c47065056b1c442e $
*
* This file is part of the iText (R) project.
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* Authors: Bruno Lowagie, Paulo Soares, et al.
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package com.itextpdf.text.pdf.fonts.cmaps;
import com.itextpdf.text.Utilities;
import com.itextpdf.text.pdf.IntHashtable;
import com.itextpdf.text.pdf.PdfNumber;
import com.itextpdf.text.pdf.PdfObject;
import com.itextpdf.text.pdf.PdfString;
/**
*
* @author psoares
*/
public class CMapUniCid extends AbstractCMap {
private IntHashtable map = new IntHashtable(65537);
@Override
void addChar(PdfString mark, PdfObject code) {
if (!(code instanceof PdfNumber))
return;
int codepoint;
String s = decodeStringToUnicode(mark);
if (Utilities.isSurrogatePair(s, 0))
codepoint = Utilities.convertToUtf32(s, 0);
else
codepoint = (int)s.charAt(0);
map.put(codepoint, ((PdfNumber)code).intValue());
}
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), Utilities.convertFromUtf32(key));
}
return uni;
}
}