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JBIG2 - some basic segment interpretations

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Jakub Melka
2019-10-27 15:52:50 +01:00
parent abbe7a920a
commit 6a0cdec4e4
5 changed files with 418 additions and 21 deletions
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6
PdfForQtLib/sources/pdfutils.cpp
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@ -120,6 +120,12 @@ bool PDFBitReader::isAtEnd() const
return (m_position >= m_stream->size()) && m_bitsInBuffer == 0;
}
int32_t PDFBitReader::readSignedInt()
{
const uint32_t value = read(32);
return *reinterpret_cast<const int32_t*>(&value);
}
PDFBitWriter::PDFBitWriter(Value bitsPerComponent) :
m_bitsPerComponent(bitsPerComponent),
m_mask((static_cast<Value>(1) << m_bitsPerComponent) - static_cast<Value>(1)),