X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.h;h=326e6fbc98ab4ab3990e08696a959630a3e12641;hb=8dbbc7f0b9ea59d0f0d62225772f8a56eee125f5;hp=a7ae455b8598159e47c738a48cc5e8176ace3ed7;hpb=b86aa8f4a22857a90bbfca6e7993b2deaf1157d4;p=pulseview.git

diff --git a/pv/view/analogsignal.h b/pv/view/analogsignal.h
index a7ae455..326e6fb 100644
--- 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.
@@ -82,8 +89,8 @@ private:
 		const double pixels_offset, const double samples_per_pixel);
 
 private:
-	std::shared_ptr<pv::data::Analog> _data;
-	float _scale;
+	std::shared_ptr<pv::data::Analog> data_;
+	float scale_;
 };
 
 } // namespace view