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Issue #108: Add accessibility options in pdf reader

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Jakub Melka
2023-11-18 18:52:18 +01:00
parent 2408c61b5f
commit 6f6ddaab04
23 changed files with 600 additions and 89 deletions
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19
Pdf4QtLib/sources/pdfpainter.cpp
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@ -764,36 +764,41 @@ void PDFPrecompiledPage::optimize()
m_compositionModes.shrink_to_fit();
}
void PDFPrecompiledPage::invertColors()
void PDFPrecompiledPage::convertColors(const PDFColorConvertor& colorConvertor)
{
// Jakub Melka: we must invert colors in following areas:
// Jakub Melka: we must apply color convertor in following areas:
// - painter paths
// - images
// - meshes
if (!colorConvertor.isActive())
{
return;
}
for (PathPaintData& pathData : m_paths)
{
if (pathData.pen.style() != Qt::NoPen)
{
pathData.pen.setColor(invertColor(pathData.pen.color()));
pathData.pen.setColor(colorConvertor.convert(pathData.pen.color(), false, pathData.isText));
}
if (pathData.brush.style() == Qt::SolidPattern)
{
pathData.brush.setColor(invertColor(pathData.brush.color()));
pathData.brush.setColor(colorConvertor.convert(pathData.brush.color(), false, pathData.isText));
}
}
for (ImageData& imageData : m_images)
{
imageData.image.invertPixels(QImage::InvertRgb);
imageData.image = colorConvertor.convert(imageData.image);
}
for (MeshPaintData& meshPaintData : m_meshes)
{
meshPaintData.mesh.invertColors();
meshPaintData.mesh.convertColors(colorConvertor);
}
m_paperColor = invertColor(m_paperColor);
m_paperColor = colorConvertor.convert(m_paperColor, true, false);
}
void PDFPrecompiledPage::finalize(qint64 compilingTimeNS, QList<PDFRenderError> errors)