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Code Issues Releases Wiki Activity

Use grayscale images for disabled icons

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This commit is contained in:
Andrei Kortunov 2024-04-27 11:25:56 +04:00
parent 070327a259
commit 98abfcfe00
1 changed files with 19 additions and 15 deletions
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28
components/misc/scalableicon.cpp
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@ -77,25 +77,29 @@ namespace Misc
QPixmap ScalableIcon::pixmap(const QSize& size, QIcon::Mode mode, QIcon::State state) QPixmap ScalableIcon::pixmap(const QSize& size, QIcon::Mode mode, QIcon::State state)
{ {
QImage img(size, QImage::Format_ARGB32); QPixmap pix = QPixmap(size);
img.fill(qRgba(0, 0, 0, 0)); pix.fill(Qt::transparent);
QPixmap pix = QPixmap::fromImage(img, Qt::NoFormatConversion);
{
QPainter painter(&pix); QPainter painter(&pix);
QRect r(QPoint(0.0, 0.0), size); QRect r(QPoint(0.0, 0.0), size);
this->paint(&painter, r, mode, state); this->paint(&painter, r, mode, state);
}
if (mode != QIcon::Disabled) if (mode != QIcon::Disabled)
return pix; return pix;
QPixmap output(pix.size()); // For disabled icons use grayscale icons with 50% transparency
output.fill(Qt::transparent); QImage img = pix.toImage();
QPainter p(&output);
p.setOpacity(0.5);
p.drawPixmap(0, 0, pix);
p.end();
return output; for (int x = 0; x < img.width(); x++)
{
for (int y = 0; y < img.height(); y++)
{
QColor n = img.pixelColor(x, y);
int gray = qGray(n.red(), n.green(), n.blue());
img.setPixelColor(x, y, QColor(gray, gray, gray, n.alpha() / 2));
}
}
return QPixmap::fromImage(img, Qt::NoFormatConversion);
} }
} }