X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fview%2Fanalogsignal.cpp;h=a8d7b3e8113d6c514e9955fc9c897a65175977a3;hb=448a72cf7f0225eace2335ec05b979c4e9a6b882;hp=bba84caeaff2eef7444d4e59e8f2ed3b279e2765;hpb=d5d1f925b5480e4f7d40a8cbc67bd653fa89bd89;p=pulseview.git

diff --git a/pv/view/analogsignal.cpp b/pv/view/analogsignal.cpp
index bba84cae..a8d7b3e8 100644
--- a/pv/view/analogsignal.cpp
+++ b/pv/view/analogsignal.cpp
@@ -31,6 +31,7 @@
 #include <libsigrok/libsigrok.hpp>
 
 using std::max;
+using std::make_pair;
 using std::min;
 using std::shared_ptr;
 using std::deque;
@@ -40,6 +41,8 @@ using sigrok::Channel;
 namespace pv {
 namespace view {
 
+const int AnalogSignal::NominalHeight = 80;
+
 const QColor AnalogSignal::SignalColours[4] = {
 	QColor(0xC4, 0xA0, 0x00),	// Yellow
 	QColor(0x87, 0x20, 0x7A),	// Magenta
@@ -79,23 +82,32 @@ void AnalogSignal::set_scale(float scale)
 	_scale = scale;
 }
 
+std::pair<int, int> AnalogSignal::v_extents() const
+{
+	return make_pair(-NominalHeight / 2, NominalHeight / 2);
+}
+
 void AnalogSignal::paint_back(QPainter &p, int left, int right)
 {
 	if (_channel->enabled())
-		paint_axis(p, get_y(), left, right);
+		paint_axis(p, get_visual_y(), left, right);
 }
 
 void AnalogSignal::paint_mid(QPainter &p, int left, int right)
 {
 	assert(_data);
 	assert(right >= left);
+	assert(_owner);
+
+	const int y = get_visual_y();
 
-	const int y = get_y();
+	const View *const view = _owner->view();
+	assert(view);
 
-	const double scale = _view->scale();
+	const double scale = view->scale();
 	assert(scale > 0);
 
-	const double offset = _view->offset();
+	const double offset = view->offset();
 
 	if (!_channel->enabled())
 		return;