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Display of ink coverage

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Jakub Melka
2021-04-02 20:20:53 +02:00
parent 63376400da
commit 4921b61cf9
6 changed files with 141 additions and 0 deletions
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17
Pdf4QtLib/sources/pdftransparencyrenderer.cpp
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@ -90,6 +90,23 @@ PDFColorComponent PDFFloatBitmap::getPixelInkCoverage(size_t x, size_t y) const
return inkCoverage;
}
PDFFloatBitmap PDFFloatBitmap::getInkCoverageBitmap() const
{
PDFFloatBitmap result(getWidth(), getHeight(), PDFPixelFormat::createFormat(1, 0, false, true, false));
for (size_t y = 0; y < getHeight(); ++y)
{
for (size_t x = 0; x < getWidth(); ++x)
{
PDFColorComponent coverage = getPixelInkCoverage(x, y);
PDFColorBuffer targetProcessColorBuffer = result.getPixel(x, y);
targetProcessColorBuffer[0] = coverage;
}
}
return result;
}
const PDFColorComponent* PDFFloatBitmap::begin() const
{
return m_data.data();