X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=signal.h;h=2cec1299e0cce040cf78d90a0441933c4512e9ce;hb=3b18c57d8f224791481e0b768065bd4d11a3d79e;hp=47e1dc915b4e50b873b58b6540c748d105e87cff;hpb=28a4c9c5eb20296199fc3496bb40b7733dffac75;p=pulseview.git

diff --git a/signal.h b/signal.h
index 47e1dc91..2cec1299 100644
--- a/signal.h
+++ b/signal.h
@@ -19,7 +19,11 @@
  */
 
 #include <boost/shared_ptr.hpp>
+
+#include <QGLWidget>
+#include <QRect>
 #include <QString>
+
 #include <stdint.h>
 
 class SignalData;
@@ -32,6 +36,17 @@ protected:
 public:
 	QString get_name() const;
 
+	/**
+	 * 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;
 	boost::shared_ptr<SignalData> _data;