void Lighting::animate()
{
angle += (M_PI / 30);
qreal xs = 200 * sin(angle) - 40 + 25;
qreal ys = 200 * cos(angle) - 40 + 25;
m_lightSource->setPos(xs, ys);
for (int i = 0; i < m_items.size(); ++i) {
QGraphicsItem *item = m_items.at(i);
Q_ASSERT(item);
QGraphicsDropShadowEffect *effect = static_cast<QGraphicsDropShadowEffect *>(item->graphicsEffect());
Q_ASSERT(effect);
QPointF delta(item->x() - xs, item->y() - ys);
effect->setOffset(delta.toPoint() / 30);
qreal dx = delta.x();
qreal dy = delta.y();
qreal dd = sqrt(dx * dx + dy * dy);
QColor color = effect->color();
color.setAlphaF(qBound(0.4, 1 - dd / 200.0, 0.7));
effect->setColor(color);
}
m_scene.update();
}
void CustomLabel::paintEvent(QPaintEvent *pe)
{
if ((!text().isEmpty()) &&
(textFormat() == Qt::PlainText ||
(textFormat() == Qt::AutoText && !Qt::mightBeRichText(text()))))
{
QPainter painter(this);
#ifndef DEBUG_CUSTOMLABEL
QRectF lr = contentsRect();
lr.moveBottom(lr.bottom() - 1); // angry and dirty hack!
QStyleOption opt;
opt.initFrom(this);
int align = QStyle::visualAlignment(text().isRightToLeft() ? Qt::RightToLeft : Qt::LeftToRight, alignment());
int flags = align | (!text().isRightToLeft() ? Qt::TextForceLeftToRight : Qt::TextForceRightToLeft);
if (wordWrap())
flags |= Qt::TextWordWrap;
switch (shadowType)
{
case NoShadow:
flags |= TF_NOSHADOW;
break;
case DarkShadow:
flags |= TF_DARKSHADOW;
break;
case LightShadow:
flags |= TF_LIGHTSHADOW;
break;
default:
break;
}
QString textToDraw = elidedText();
style()->drawItemText(&painter, lr.toRect(), flags, opt.palette, isEnabled(), textToDraw, QPalette::WindowText);
#else // DEBUG_CUSTOMLABEL
QTextDocument *doc = textDocument();
QAbstractTextDocumentLayout::PaintContext ctx = textDocumentPaintContext(doc);
QString shadowKey;
switch (shadowType)
{
case DarkShadow:
shadowKey = GFX_TEXTSHADOWS;
break;
case LightShadow:
shadowKey = GFX_NOTICEWIDGET;
break;
case NoShadow:
default:
break;
}
// magic numbers
int dx = -2;
int dy = -2;
// adding margins
dx += contentsMargins().left();
dy += contentsMargins().top();
# if 1 // for debug set 0
QGraphicsDropShadowEffect *shadow = qobject_cast<QGraphicsDropShadowEffect *>(GraphicsEffectsStorage::staticStorage(RSR_STORAGE_GRAPHICSEFFECTS)->getFirstEffect(shadowKey));
# else // debug shadow
QGraphicsDropShadowEffect *shadow = new QGraphicsDropShadowEffect;
shadow->setColor(Qt::red);
shadow->setOffset(1, 1);
# endif
if (shadow)
{
# if 0 // for "image method" set 1
QImage shadowedText(size(), QImage::Format_ARGB32_Premultiplied);
# if defined(Q_WS_MAC) && !defined(__MAC_OS_X_NATIVE_FULLSCREEN)
// TODO: fix that
shadowedText.fill(Qt::red); // DUNNO WHY!!!
# else
shadowedText.fill(Qt::transparent);
# endif
QPainter tmpPainter(&shadowedText);
tmpPainter.setRenderHint(QPainter::Antialiasing);
tmpPainter.setRenderHint(QPainter::HighQualityAntialiasing);
tmpPainter.setRenderHint(QPainter::TextAntialiasing);
tmpPainter.setRenderHint(QPainter::SmoothPixmapTransform);
tmpPainter.translate(dx, dy);
doc->documentLayout()->draw(&tmpPainter, ctx);
painter.drawImage(0, 0, shadowedText);
# else // text method
QPalette origPal = ctx.palette;
ctx.palette.setColor(QPalette::Text, shadow->color());
// draw shadow
painter.save();
painter.translate(dx + shadow->xOffset(), dy + shadow->yOffset());
doc->documentLayout()->draw(&painter, ctx);
painter.restore();
ctx.palette = origPal;
// draw text
painter.save();
painter.translate(dx, dy);
doc->documentLayout()->draw(&painter, ctx);
painter.restore();
# endif // shadow method
}
else
{
painter.save();
painter.translate(dx, dy);
doc->documentLayout()->draw(&painter, ctx);
painter.restore();
}
doc->deleteLater();
#endif // DEBUG_CUSTOMLABEL
}
else
QLabel::paintEvent(pe);
}