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JBIG2 - bitmap decoding

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This commit is contained in:
Jakub Melka
2019-10-28 17:39:22 +01:00
parent 6a0cdec4e4
commit 34371706aa
5 changed files with 605 additions and 23 deletions
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6
PdfForQtLib/sources/pdfutils.cpp
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@ -126,6 +126,12 @@ int32_t PDFBitReader::readSignedInt()
return *reinterpret_cast<const int32_t*>(&value);
}
int8_t PDFBitReader::readSignedByte()
{
const uint8_t value = read(8);
return *reinterpret_cast<const int8_t*>(&value);
}
PDFBitWriter::PDFBitWriter(Value bitsPerComponent) :
m_bitsPerComponent(bitsPerComponent),
m_mask((static_cast<Value>(1) << m_bitsPerComponent) - static_cast<Value>(1)),