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JBIG2 - bugfixing

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This commit is contained in:
Jakub Melka
2019-11-03 14:56:56 +01:00
parent ab10a6923e
commit 0b507c2610
4 changed files with 10 additions and 4 deletions
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6
PdfForQtLib/sources/pdfjbig2decoder.cpp
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@ -992,7 +992,7 @@ PDFImageData PDFJBIG2Decoder::decode(PDFImageData::MaskingType maskingType)
{
for (int column = 0; column < columns; ++column)
{
writer.write(m_pageBitmap.getPixel(column, row));
writer.write(!m_pageBitmap.getPixel(column, row));
}
writer.finishLine();
}
@ -1205,8 +1205,8 @@ void PDFJBIG2Decoder::processSymbolDictionary(const PDFJBIG2SegmentHeader& heade
parameters.isArithmeticCodingStateRetained = (symbolDictionaryFlags >> 9) & 0x0001;
parameters.SDTEMPLATE = (symbolDictionaryFlags >> 10) & 0x0003;
parameters.SDRTEMPLATE = (symbolDictionaryFlags >> 12) & 0x0001;
parameters.SDAT = readATTemplatePixelPositions((parameters.SDHUFF == 0) ? ((parameters.SDTEMPLATE == 0) ? 4 : 1) : 0);
parameters.SDRAT = readATTemplatePixelPositions((parameters.SDREFAGG == 1 && parameters.SDRTEMPLATE == 0) ? 2 : 0);
parameters.SDAT = readATTemplatePixelPositions((!parameters.SDHUFF) ? ((parameters.SDTEMPLATE == 0) ? 4 : 1) : 0);
parameters.SDRAT = readATTemplatePixelPositions((parameters.SDREFAGG && parameters.SDRTEMPLATE == 0) ? 2 : 0);
parameters.SDNUMEXSYMS = m_reader.readUnsignedInt();
parameters.SDNUMNEWSYMS = m_reader.readUnsignedInt();