X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=signal.h;h=2cec1299e0cce040cf78d90a0441933c4512e9ce;hp=ee051dca62d315ebe307ea1d51ce520c4a5858b5;hb=3b18c57d8f224791481e0b768065bd4d11a3d79e;hpb=e3f65ace22c6bcd371967302f8d01d0769e3a23f

diff --git a/signal.h b/signal.h
index ee051dca..2cec1299 100644
--- a/signal.h
+++ b/signal.h
@@ -36,7 +36,16 @@ protected:
 public:
 	QString get_name() const;
 
-	virtual void paint(QGLWidget &widget, const QRect &rect) = 0;
+	/**
+	 * Paints the signal into a QGLWidget.
+	 * @param widget the QGLWidget to paint into.
+	 * @param rect the rectangular area to draw the trace into.
+	 * @param scale the scale in femtoseconds per pixel.
+	 * @param offset the time to show at the left hand edge of
+	 *   the view in femtoseconds.
+	 **/
+	virtual void paint(QGLWidget &widget, const QRect &rect,
+		uint64_t scale, int64_t offset) = 0;
 
 protected:
 	QString _name;