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Jakub Melka
2022-04-23 20:16:22 +02:00
parent b2a26ada19
commit c6cfb4cdc8
12 changed files with 190 additions and 14 deletions
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11
Pdf4QtLib/sources/pdfstreamfilters.cpp
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@ -383,10 +383,9 @@ QByteArray PDFFlateDecodeFilter::apply(const QByteArray& data,
return predictor.apply(uncompress(data));
}
QByteArray PDFFlateDecodeFilter::recompress(const QByteArray& data)
QByteArray PDFFlateDecodeFilter::compress(const QByteArray& decompressedData)
{
QByteArray result;
QByteArray decompressedData = uncompress(data);
z_stream stream = { };
stream.next_in = const_cast<Bytef*>(convertByteArrayToUcharPtr(decompressedData));
@ -431,13 +430,19 @@ QByteArray PDFFlateDecodeFilter::recompress(const QByteArray& data)
errorMessage = PDFTranslationContext::tr("zlib code: %1").arg(error);
}
throw PDFException(PDFTranslationContext::tr("Error decompressing by flate method: %1").arg(errorMessage));
throw PDFException(PDFTranslationContext::tr("Error compressing by flate method: %1").arg(errorMessage));
}
}
return result;
}
QByteArray PDFFlateDecodeFilter::recompress(const QByteArray& data)
{
QByteArray decompressedData = uncompress(data);
return compress(decompressedData);
}
PDFInteger PDFFlateDecodeFilter::getStreamDataLength(const QByteArray& data, PDFInteger offset) const
{
if (offset < 0 || offset >= data.size())