X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Fruler.cpp;h=97c0be6822506ffa1c3056493a629d14428dc6e2;hb=ce6e73a8e2a2a353233b440f4bbbd53007602e1a;hp=f71240de1722c301d9b6ad0bb1960a8ff338e5ed;hpb=cfa7293b40f15b4713cdc6ee7260ab15fce4b719;p=pulseview.git

diff --git a/pv/view/ruler.cpp b/pv/view/ruler.cpp
index f71240d..97c0be6 100644
--- a/pv/view/ruler.cpp
+++ b/pv/view/ruler.cpp
@@ -48,6 +48,7 @@ Ruler::Ruler(View &parent) :
 void Ruler::paintEvent(QPaintEvent *event)
 {
 	QPainter p(this);
+	p.setRenderHint(QPainter::Antialiasing);
 
 	const double MinSpacing = 80;
 
@@ -68,7 +69,7 @@ void Ruler::paintEvent(QPaintEvent *event)
 	assert(prefix >= 0);
 	assert(prefix < countof(SIPrefixes));
 
-	const double multiplier = pow(0.1, prefix * 3 + FirstSIPrefixPower);
+	const double multiplier = pow(10.0, - prefix * 3 - FirstSIPrefixPower);
 
 	const int text_height = p.boundingRect(0, 0, INT_MAX, INT_MAX,
 		Qt::AlignLeft | Qt::AlignTop, "8").height();
@@ -101,13 +102,14 @@ void Ruler::paintEvent(QPaintEvent *event)
 			ts << (t * multiplier) << SIPrefixes[prefix] << "s";
 			p.drawText(x, 0, 0, text_height, Qt::AlignCenter |
 				Qt::AlignTop | Qt::TextDontClip, s);
-			p.drawLine(x, text_height, x, height());
+			p.drawLine(QPointF(x, text_height),
+				QPointF(x, height()));
 		}
 		else
 		{
 			// Draw a minor tick
-			p.drawLine(x, (text_height + height()) / 2,
-				x, height());
+			p.drawLine(QPointF(x, (text_height + height()) / 2),
+				QPointF(x, height()));
 		}
 
 		division++;