X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.cpp;h=75b5d3dfd245bcc5b982a4545245461b7cf627af;hb=785fd8d138e5866ade499c02ea405b8852fee113;hp=03b05955e4820f90bfd40e12058ccef2d7d60701;hpb=023887ca1d8a104b4bef287b7cea8d403044a41b;p=pulseview.git

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index 03b0595..75b5d3d 100644
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -42,11 +42,17 @@ const QColor AnalogSignal::SignalColours[4] = {
 AnalogSignal::AnalogSignal(QString name, shared_ptr<data::Analog> data,
 	int probe_index) :
 	Signal(name),
-	_data(data)
+	_data(data),
+	_scale(1.0f)
 {
 	_colour = SignalColours[probe_index % countof(SignalColours)];
 }
 
+void AnalogSignal::set_scale(float scale)
+{
+	_scale = scale;
+}
+
 void AnalogSignal::paint(QPainter &p, int y, int left, int right, double scale,
 	double offset)
 {
@@ -90,7 +96,7 @@ void AnalogSignal::paint(QPainter &p, int y, int left, int right, double scale,
 		const float x = (sample / samples_per_pixel -
 			pixels_offset) + left;
 		*point++ = QPointF(x,
-			samples[sample - start_sample] + y);
+			y - samples[sample - start_sample] * _scale);
 	}
 
 	p.setPen(_colour);