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Tweak the halo effect for long strings.

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svn path=/trunk/KDE/kdelibs/; revision=1061622
This commit is contained in:
Fredrik Höglund 2009-12-12 14:31:05 +00:00
parent d3ce9d4c62
commit 744065edab
1 changed files with 12 additions and 2 deletions
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14
private/effects/halopainter.cpp
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@ -222,8 +222,18 @@ void HaloPainter::paint(QPainter *painter, const QRect &textRect) const
p.setCompositionMode(QPainter::CompositionMode_Source);
halo->paint(&p, pixmap->rect());
QLinearGradient g(0, 0, pixmap->width(), 0);
for (int i = 0; i <= 16; i++)
g.setColorAt(i / 16., QColor(0, 0, 0, 164 * (1 - std::pow((i - 8) / 8., 2))));
if (hr.width() < 80) {
for (int i = 0; i <= 16; i++) {
g.setColorAt(i / 16., QColor(0, 0, 0, 164 * (1 - std::pow((i - 8) / 8., 2))));
}
} else {
const qreal pixel = 1. / hr.width();
for (int i = 0; i <= 8; i++) {
const QColor color(0, 0, 0, 164 * (1 - std::pow((i - 8) / 8., 2)));
g.setColorAt(i * (pixel * 40) / 8, color);
g.setColorAt(1 - i * (pixel * 40) / 8, color);
}
}
p.setCompositionMode(QPainter::CompositionMode_DestinationIn);
p.fillRect(pixmap->rect(), g);
p.end();