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Invalid parsing of CMAP for some fonts

This commit is contained in:
Jakub Melka 2023-09-08 17:07:07 +02:00
parent 4c55478311
commit 36b9d031fc
1 changed files with 24 additions and 2 deletions
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26
Pdf4QtLib/sources/pdffont.cpp
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@ -2117,9 +2117,31 @@ PDFFontCMap PDFFontCMap::createFromData(const QByteArray& data)
std::pair<unsigned int, unsigned int> from = fetchCode(token1);
std::pair<unsigned int, unsigned int> to = fetchCode(token2);
CID cid = fetchUnicode(token3);
entries.emplace_back(from.first, to.first, qMax(from.second, to.second), cid);
if (token3.type == PDFLexicalAnalyzer::TokenType::ArrayStart)
{
unsigned int current = from.first;
while (true)
{
PDFLexicalAnalyzer::Token arrayToken = parser.fetch();
// Do we have end of array?
if (arrayToken.type == PDFLexicalAnalyzer::TokenType::ArrayEnd)
{
break;
}
CID cid = fetchUnicode(arrayToken);
entries.emplace_back(current, current, qMax(from.second, to.second), cid);
++current;
}
}
else
{
CID cid = fetchUnicode(token3);
entries.emplace_back(from.first, to.first, qMax(from.second, to.second), cid);
}
}
}
else if (command == "begincidrange")