set good brush to avoid transparency problems

src/tools/UBGraphicsCompass.cpp

@@ -122,6 +122,9 @@ void UBGraphicsCompass::paint(QPainter *painter, const QStyleOptionGraphicsItem
     Q_UNUSED(styleOption);
     Q_UNUSED(widget);
 
+    painter->setBrush(edgeFillColor());
+
+
     mAntiScaleRatio = 1 / (UBApplication::boardController->systemScaleFactor() * UBApplication::boardController->currentZoom());
     QTransform antiScaleTransform;
     antiScaleTransform.scale(mAntiScaleRatio, mAntiScaleRatio);

src/tools/UBGraphicsProtractor.cpp

@@ -488,7 +488,6 @@ void UBGraphicsProtractor::paintButtons(QPainter *painter)
 void UBGraphicsProtractor::paintAngleMarker(QPainter *painter)
 {
     painter->save();
-
     painter->translate(rect().center());
     painter->rotate(-mStartAngle);
     painter->translate(-rect().center().x(), -rect().center().y());

src/tools/UBGraphicsRuler.cpp

@@ -121,6 +121,7 @@ void UBGraphicsRuler::paint(QPainter *painter, const QStyleOptionGraphicsItem *s
 
 
     painter->setPen(drawColor());
+    painter->setBrush(edgeFillColor());
     painter->setRenderHint(QPainter::Antialiasing, true);
     painter->drawRoundedRect(rect(), sRoundingRadius, sRoundingRadius);
     fillBackground(painter);