X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fview%2Frowitem.h;h=1aafca4be3fbfee81b663532e9e6a887601d6f12;hp=2133db878188ba906f17619d2d8a1c06fb250f06;hb=a5d93c27b5bd6b95000e29c6cddac56ab254b289;hpb=dc747705ac06c9e9ab582b6b8b7cfc31003128e0

diff --git a/pv/view/rowitem.h b/pv/view/rowitem.h
index 2133db87..1aafca4b 100644
--- a/pv/view/rowitem.h
+++ b/pv/view/rowitem.h
@@ -77,6 +77,12 @@ public:
 	 */
 	QPoint point() const;
 
+	/**
+	 * Computes the vertical extents of the contents of this row item.
+	 * @return A pair containing the minimum and maximum y-values.
+	 */
+	virtual std::pair<int, int> v_extents() const = 0;
+
 	/**
 	 * Paints the background layer of the trace with a QPainter
 	 * @param p the QPainter to paint into.