X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.h;h=710639005a615cf485efb53b013ef0d7fecaab8d;hp=7bc0ed6eb6aaf25d9a605a22c1ab038dec3103a6;hb=a5d93c27b5bd6b95000e29c6cddac56ab254b289;hpb=1b1ec774978b65209ce2b454cbf81da499b797d2 diff --git a/pv/view/analogsignal.h b/pv/view/analogsignal.h index 7bc0ed6e..71063900 100644 --- a/pv/view/analogsignal.h +++ b/pv/view/analogsignal.h @@ -18,51 +18,82 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#ifndef PULSEVIEW_PV_ANALOGSIGNAL_H -#define PULSEVIEW_PV_ANALOGSIGNAL_H +#ifndef PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H +#define PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H #include "signal.h" -#include +#include namespace pv { namespace data { class Analog; +class AnalogSnapshot; } namespace view { class AnalogSignal : public Signal { +private: + static const int NominalHeight; + static const QColor SignalColours[4]; + + static const float EnvelopeThreshold; + public: - AnalogSignal(QString name, - boost::shared_ptr data); + AnalogSignal(pv::SigSession &session, + std::shared_ptr channel, + std::shared_ptr data); + + virtual ~AnalogSignal(); + + std::shared_ptr data() const; + + std::shared_ptr analog_data() const; + + void set_scale(float scale); /** - * Paints the signal with a QPainter + * Computes the vertical extents of the contents of this row item. + * @return A pair containing the minimum and maximum y-values. + */ + std::pair v_extents() const; + + /** + * Paints the background layer of the signal with a QPainter * @param p the QPainter to paint into. - * @param rect the rectangular area to draw the trace into. - * @param scale the scale in seconds per pixel. - * @param offset the time to show at the left hand edge of - * the view in seconds. + * @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(QPainter &p, const QRect &rect, - double scale, double offset); - -private: + void paint_back(QPainter &p, int left, int right); /** - * When painting into the rectangle, calculate the y - * offset of the zero point. + * Paints the mid-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. **/ - int get_nominal_offset(const QRect &rect) const; + void paint_mid(QPainter &p, int left, int right); + +private: + void paint_trace(QPainter &p, + const std::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 std::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; + std::shared_ptr _data; + float _scale; }; } // namespace view } // namespace pv -#endif // PULSEVIEW_PV_ANALOGSIGNAL_H +#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H