namespace pv {
namespace view {
+const QPen Trace::AxisPen(QColor(128, 128, 128, 64));
const int Trace::LabelHitPadding = 2;
Trace::Trace(pv::SigSession &session, QString name) :
_v_offset = v_offset;
}
-void Trace::paint_label(QPainter &p, int y, int right, bool hover)
+void Trace::set_view(pv::view::View *view)
{
+ assert(view);
+ _view = view;
+}
+
+void Trace::paint_back(QPainter &p, int left, int right)
+{
+ (void)p;
+ (void)left;
+ (void)right;
+}
+
+void Trace::paint_mid(QPainter &p, int left, int right)
+{
+ (void)p;
+ (void)left;
+ (void)right;
+}
+
+void Trace::paint_fore(QPainter &p, int left, int right)
+{
+ (void)p;
+ (void)left;
+ (void)right;
+}
+
+void Trace::paint_label(QPainter &p, int right, bool hover)
+{
+ assert(_view);
+ const int y = _v_offset - _view->v_offset();
+
p.setBrush(_colour);
if (!enabled())
const QColor colour = get_colour();
compute_text_size(p);
- const QRectF label_rect = get_label_rect(y, right);
+ const QRectF label_rect = get_label_rect(right);
// Paint the label
const QPointF points[] = {
p.drawPolygon(points, countof(points));
// Paint the text
- p.setPen((colour.lightness() > 64) ? Qt::black : Qt::white);
+ p.setPen(get_text_colour());
p.drawText(label_rect, Qt::AlignCenter | Qt::AlignVCenter, _name);
}
-bool Trace::pt_in_label_rect(int y, int left, int right,
- const QPoint &point)
+bool Trace::pt_in_label_rect(int left, int right, const QPoint &point)
{
(void)left;
- const QRectF label = get_label_rect(y, right);
+ const QRectF label = get_label_rect(right);
return QRectF(
QPointF(label.left() - LabelHitPadding,
label.top() - LabelHitPadding),
).contains(point);
}
+int Trace::get_y() const
+{
+ return _v_offset - _view->v_offset();
+}
+
+QColor Trace::get_text_colour() const
+{
+ return (_colour.lightness() > 64) ? Qt::black : Qt::white;
+}
+
+void Trace::paint_axis(QPainter &p, int y, int left, int right)
+{
+ p.setPen(AxisPen);
+ p.drawLine(QPointF(left, y + 0.5f), QPointF(right, y + 0.5f));
+}
+
void Trace::compute_text_size(QPainter &p)
{
_text_size = QSize(
p.boundingRect(QRectF(), 0, "Tg").height());
}
-QRectF Trace::get_label_rect(int y, int right)
+QRectF Trace::get_label_rect(int right)
{
using pv::view::View;
+ assert(_view);
+ const int y = _v_offset - _view->v_offset();
+
const QSizeF label_size(
_text_size.width() + View::LabelPadding.width() * 2,
ceilf((_text_size.height() + View::LabelPadding.height() * 2) / 2) * 2);