X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=pv%2Fview%2Fanalogsignal.h;h=710639005a615cf485efb53b013ef0d7fecaab8d;hb=2a21747e9daac2a45cd9a5ceb9a351f9775c5704;hp=4070a8aa199ecb29834559e912df27a9ad683fb6;hpb=e8d009288de28cb194bc7964f96677c2baf900c9;p=pulseview.git

diff --git a/pv/view/analogsignal.h b/pv/view/analogsignal.h
index 4070a8aa..71063900 100644
--- a/pv/view/analogsignal.h
+++ b/pv/view/analogsignal.h
@@ -37,12 +37,14 @@ namespace view {
 class AnalogSignal : public Signal
 {
 private:
+	static const int NominalHeight;
 	static const QColor SignalColours[4];
 
 	static const float EnvelopeThreshold;
 
 public:
-	AnalogSignal(std::shared_ptr<sigrok::Channel> channel,
+	AnalogSignal(pv::SigSession &session,
+		std::shared_ptr<sigrok::Channel> channel,
 		std::shared_ptr<pv::data::Analog> data);
 
 	virtual ~AnalogSignal();
@@ -53,6 +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.