Adapted the ruler to the strokes as objects

src/domain/UBGraphicsPolygonItem.cpp

@@ -176,7 +176,6 @@ UBGraphicsPolygonItem* UBGraphicsPolygonItem::deepCopy(const QPolygonF& pol) con
 
 void UBGraphicsPolygonItem::paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget)
 {
-
     if(mHasAlpha && scene() && scene()->isLightBackground())
     {
         painter->setCompositionMode(QPainter::CompositionMode_Darken);
@@ -190,11 +189,3 @@ UBGraphicsScene* UBGraphicsPolygonItem::scene()
 {
     return qobject_cast<UBGraphicsScene*>(QGraphicsPolygonItem::scene());
 }
-
-
-
-
-
-
-
-

src/domain/UBGraphicsPolygonItem.h

@@ -116,7 +116,6 @@ class UBGraphicsPolygonItem : public QGraphicsPolygonItem, public UBItem
     protected:
         void paint ( QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
 
-
     private:
 
         void clearStroke();

src/domain/UBGraphicsScene.cpp

@@ -432,13 +432,7 @@ bool UBGraphicsScene::inputDeviceMove(const QPointF& scenePos, const qreal& pres
             width /= UBApplication::boardController->systemScaleFactor();
             width /= UBApplication::boardController->currentZoom();
 
-			if (dc->mActiveRuler)
-			{
-				dc->mActiveRuler->DrawLine(position, width);
-			}
-			else
-			{
-	            if (currentTool == UBStylusTool::Line)
+            if (currentTool == UBStylusTool::Line || dc->mActiveRuler)
             {
                 if(NULL != mpLastPolygon && NULL != mCurrentStroke && mAddedItems.size() > 0){
                     UBCoreGraphicsScene::removeItemFromDeletion(mpLastPolygon);
@@ -464,6 +458,9 @@ bool UBGraphicsScene::inputDeviceMove(const QPointF& scenePos, const qreal& pres
                     position = newPosition;
             }
 
+            if(dc->mActiveRuler){
+                dc->mActiveRuler->DrawLine(position, width);
+            }else{
                 drawLineTo(position, width, UBDrawingController::drawingController()->stylusTool() == UBStylusTool::Line);
             }
         }
@@ -675,14 +672,14 @@ void UBGraphicsScene::drawLineTo(const QPointF &pEndPoint, const qreal &pWidth,
     mpLastPolygon = polygonItem;
     mAddedItems.insert(polygonItem);
 
+    // Here we add the item to the scene
+    addItem(polygonItem);
+
     if (mCurrentStroke)
     {
         polygonItem->setStroke(mCurrentStroke);
     }
 
-    // Here we add the item to the scene
-    addItem(polygonItem);
-
     mPreviousPolygonItems.append(polygonItem);
 
 	if (!bLineStyle)

src/tools/UBGraphicsRuler.cpp

@@ -103,6 +103,7 @@ void UBGraphicsRuler::paint(QPainter *painter, const QStyleOptionGraphicsItem *s
 
 
     painter->setPen(drawColor());
+    painter->setRenderHint(QPainter::Antialiasing, true);
     painter->drawRoundedRect(rect(), sRoundingRadius, sRoundingRadius);
     fillBackground(painter);
     paintGraduations(painter);
@@ -478,9 +479,11 @@ void UBGraphicsRuler::DrawLine(const QPointF& scenePos, qreal width)
 	itemPos = mapToScene(itemPos);
 
 	// We have to use "pointed" line for marker tool
-	scene()->drawLineTo(itemPos, width, 
-		UBDrawingController::drawingController()->stylusTool() != UBStylusTool::Marker);
+    scene()->drawLineTo(itemPos, width, UBDrawingController::drawingController()->stylusTool() != UBStylusTool::Marker);
 }
 
 void UBGraphicsRuler::EndLine()
-{}
+{
+    // We never come to this place
+    scene()->inputDeviceRelease();
+}