Viewport::Viewport(View &parent) :
ViewWidget(parent),
- drag_offset_(numeric_limits<double>::signaling_NaN()),
pinch_zoom_active_(false)
{
setAutoFillBackground(true);
void Viewport::drag_by(const QPoint &delta)
{
- if (isnan(drag_offset_))
+ if (drag_offset_ == boost::none)
return;
- view_.set_scale_offset(view_.scale(), drag_offset_ -
- delta.x() * view_.scale());
+ view_.set_scale_offset(view_.scale(),
+ (*drag_offset_ - delta.x() * view_.scale()));
}
void Viewport::drag_release()
{
- drag_offset_ = numeric_limits<double>::signaling_NaN();
+ drag_offset_ = boost::none;
}
vector< shared_ptr<ViewItem> > Viewport::items()
if (!pinch_zoom_active_ ||
(event->touchPointStates() & Qt::TouchPointPressed)) {
- pinch_offset0_ = view_.offset() + view_.scale() * touchPoint0.pos().x();
- pinch_offset1_ = view_.offset() + view_.scale() * touchPoint1.pos().x();
+ pinch_offset0_ = (view_.offset() + view_.scale() * touchPoint0.pos().x()).convert_to<double>();
+ pinch_offset1_ = (view_.offset() + view_.scale() * touchPoint1.pos().x()).convert_to<double>();
pinch_zoom_active_ = true;
}
for (const shared_ptr<RowItem> r : row_items)
r->paint_mid(p, pp);
+ p.setRenderHint(QPainter::Antialiasing, false);
+
for (const shared_ptr<RowItem> r : row_items)
r->paint_fore(p, pp);
for (const shared_ptr<TimeItem> t : time_items)