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 a7ae455b8598159e47c738a48cc5e8176ace3ed7..710639005a615cf485efb53b013ef0d7fecaab8d 100644 (file)
--- a/pv/view/analogsignal.h
+++ b/pv/view/analogsignal.h
@@ -37,6 +37,7 @@ namespace view {
 class AnalogSignal : public Signal
 {
 private:
+       static const int NominalHeight;
        static const QColor SignalColours[4];
 
        static const float EnvelopeThreshold;
@@ -54,6 +55,12 @@ public:
 
        void set_scale(float scale);
 
+       /**
+        * 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.