X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.h;h=0b6172f8144884d51b5ba2a918db6bf8106f7d86;hp=6e4199acf16f7427382e8aeffee838791d8540e9;hb=03ce95a9bb81c05bae0da9de189d280214db67c3;hpb=568b90d4fcfb5f67f5fb642a9f0fdb3a54607bf3 diff --git a/pv/view/analogsignal.h b/pv/view/analogsignal.h index 6e4199ac..0b6172f8 100644 --- a/pv/view/analogsignal.h +++ b/pv/view/analogsignal.h @@ -29,6 +29,7 @@ namespace pv { namespace data { class Analog; +class AnalogSnapshot; } namespace view { @@ -38,25 +39,46 @@ class AnalogSignal : public Signal private: static const QColor SignalColours[4]; + static const float EnvelopeThreshold; + public: - AnalogSignal(QString name, - boost::shared_ptr data, int probe_index); + AnalogSignal(pv::SigSession &session, const sr_probe *const probe, + boost::shared_ptr data); + + virtual ~AnalogSignal(); + + void set_scale(float scale); + + /** + * Paints the background layer of the signal with a QPainter + * @param p the QPainter to paint into. + * @param left the x-coordinate of the left edge of the signal. + * @param right the x-coordinate of the right edge of the signal. + **/ + void paint_back(QPainter &p, int left, int right); /** - * Paints the signal with a QPainter + * Paints the mid-layer of the signal with a QPainter * @param p the QPainter to paint 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, int y, int left, int right, double scale, - double offset); + void paint_mid(QPainter &p, int left, int right); + +private: + void paint_trace(QPainter &p, + const boost::shared_ptr &snapshot, + int y, int left, const int64_t start, const int64_t end, + const double pixels_offset, const double samples_per_pixel); + + void paint_envelope(QPainter &p, + const boost::shared_ptr &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 _data; + float _scale; }; } // namespace view