namespace data {
class Analog;
+class AnalogSnapshot;
}
namespace view {
class AnalogSignal : public Signal
{
+private:
+ static const QColor SignalColours[4];
+
+ static const float EnvelopeThreshold;
+
public:
- AnalogSignal(QString name,
+ AnalogSignal(pv::SigSession &session, const sr_probe *const probe,
boost::shared_ptr<pv::data::Analog> data);
+ virtual ~AnalogSignal();
+
+ const std::list<QAction*> get_context_bar_actions();
+
+ void set_scale(float scale);
+
/**
* Paints the signal with a QPainter
* @param p the QPainter to paint into.
- * @param rect the rectangular area to draw the trace into.
+ * @param y the y-coordinate to draw the signal at.
+ * @param left the x-coordinate of the left edge of the signal.
+ * @param right the x-coordinate of the right edge of the signal.
* @param scale the scale in seconds per pixel.
* @param offset the time to show at the left hand edge of
* the view in seconds.
**/
- void paint(QPainter &p, const QRect &rect,
- double scale, double offset);
+ void paint(QPainter &p, int y, int left, int right, double scale,
+ double offset);
private:
+ void paint_trace(QPainter &p,
+ const boost::shared_ptr<pv::data::AnalogSnapshot> &snapshot,
+ int y, int left, const int64_t start, const int64_t end,
+ const double pixels_offset, const double samples_per_pixel);
- /**
- * When painting into the rectangle, calculate the y
- * offset of the zero point.
- **/
- int get_nominal_offset(const QRect &rect) const;
+ void paint_envelope(QPainter &p,
+ const boost::shared_ptr<pv::data::AnalogSnapshot> &snapshot,
+ int y, int left, const int64_t start, const int64_t end,
+ const double pixels_offset, const double samples_per_pixel);
private:
boost::shared_ptr<pv::data::Analog> _data;
+ float _scale;
};
} // namespace view