RowItem: Replaced fixed signal heights with extents

[pulseview.git] / pv / view / analogsignal.h

diff --git a/pv/view/analogsignal.h b/pv/view/analogsignal.h
index 7bc0ed6eb6aaf25d9a605a22c1ab038dec3103a6..710639005a615cf485efb53b013ef0d7fecaab8d 100644 (file)
--- 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 <boost/shared_ptr.hpp>
+#include <memory>
 
 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<pv::data::Analog> data);
+       AnalogSignal(pv::SigSession &session,
+               std::shared_ptr<sigrok::Channel> channel,
+               std::shared_ptr<pv::data::Analog> data);
+
+       virtual ~AnalogSignal();
+
+       std::shared_ptr<pv::data::SignalData> data() const;
+
+       std::shared_ptr<pv::data::Analog> 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<int, int> 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<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);
+
+       void paint_envelope(QPainter &p,
+               const std::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;
+       std::shared_ptr<pv::data::Analog> _data;
+       float _scale;
 };
 
 } // namespace view
 } // namespace pv
 
-#endif // PULSEVIEW_PV_ANALOGSIGNAL_H
+#endif // PULSEVIEW_PV_VIEW_ANALOGSIGNAL_H