X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.h;h=64d138d84a19f0a13948c1fded2c4d125a98e4cf;hp=86471537abce44236291664b98a1e74084cc187d;hb=613d097c5af2d12ffd68e2dfab309b518edca1a6;hpb=2658961bdef3601e07d494a8ed3d01a8101b68cd diff --git a/pv/view/analogsignal.h b/pv/view/analogsignal.h index 86471537..64d138d8 100644 --- a/pv/view/analogsignal.h +++ b/pv/view/analogsignal.h @@ -18,8 +18,8 @@ * 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" @@ -29,34 +29,59 @@ namespace pv { 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, 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 } // namespace pv -#endif // PULSEVIEW_PV_ANALOGSIGNAL_H +#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H