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Color Warnings (ink coverage + rich black)

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Jakub Melka
2021-04-02 18:05:23 +02:00
parent fb6de717f6
commit 7ca5942fb6
6 changed files with 232 additions and 5 deletions
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16
Pdf4QtLib/sources/pdftransparencyrenderer.cpp
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@ -74,6 +74,22 @@ PDFColorBuffer PDFFloatBitmap::getPixels()
return PDFColorBuffer(m_data.data(), m_data.size());
}
PDFColorComponent PDFFloatBitmap::getPixelInkCoverage(size_t x, size_t y) const
{
PDFConstColorBuffer buffer = getPixel(x, y);
const uint8_t colorChannelIndexStart = m_format.getColorChannelIndexStart();
const uint8_t colorChannelIndexEnd = m_format.getColorChannelIndexEnd();
PDFColorComponent inkCoverage = 0.0;
for (uint8_t i = colorChannelIndexStart; i < colorChannelIndexEnd; ++i)
{
inkCoverage += buffer[i];
}
return inkCoverage;
}
const PDFColorComponent* PDFFloatBitmap::begin() const
{
return m_data.data();