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Fixed line style combo box rendering on retina displays

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This commit is contained in:
Martin Tůma 2024-04-01 21:00:56 +02:00
parent b069d2ac3f
commit 3e1bddbcfd
1 changed files with 6 additions and 3 deletions
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9
src/GUI/stylecombobox.cpp
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@ -13,15 +13,18 @@ static Qt::PenStyle styles[] = {Qt::SolidLine, Qt::DashLine, Qt::DotLine,
QIcon StyleComboBox::icon(Qt::PenStyle style)
{
QPixmap pm(iconSize());
qreal ratio(devicePixelRatioF());
QSize size(iconSize());
QPixmap pm(size * ratio);
pm.setDevicePixelRatio(ratio);
pm.fill(Qt::transparent);
QBrush brush(QPalette().brush(QPalette::Active, QPalette::WindowText));
QPen pen(brush, pm.height() / LINE_WIDTH_RATIO, style);
QPen pen(brush, size.height() / LINE_WIDTH_RATIO, style);
QPainter painter(&pm);
painter.setPen(pen);
painter.drawLine(0, pm.height() / 2, pm.width(), pm.height() / 2);
painter.drawLine(0, size.height() / 2, size.width(), size.height() / 2);
return QIcon(pm);
}