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

@@ -364,7 +364,7 @@ bool UBGraphicsScene::inputDevicePress(const QPointF& scenePos, const qreal& pre
             mRemovedItems.clear();
 
 			if (UBDrawingController::drawingController()->mActiveRuler)
-			{
+            {
                 UBDrawingController::drawingController()->mActiveRuler->StartLine(scenePos, width);
 			}
 			else
@@ -432,40 +432,37 @@ 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(NULL != mpLastPolygon && NULL != mCurrentStroke && mAddedItems.size() > 0){
-                        UBCoreGraphicsScene::removeItemFromDeletion(mpLastPolygon);
-                        mAddedItems.remove(mpLastPolygon);
-                        mCurrentStroke->remove(mpLastPolygon);
-                        removeItem(mpLastPolygon);
-                        mPreviousPolygonItems.removeAll(mpLastPolygon);
-                    }
+            if (currentTool == UBStylusTool::Line || dc->mActiveRuler)
+            {
+                if(NULL != mpLastPolygon && NULL != mCurrentStroke && mAddedItems.size() > 0){
+                    UBCoreGraphicsScene::removeItemFromDeletion(mpLastPolygon);
+                    mAddedItems.remove(mpLastPolygon);
+                    mCurrentStroke->remove(mpLastPolygon);
+                    removeItem(mpLastPolygon);
+                    mPreviousPolygonItems.removeAll(mpLastPolygon);
+                }
 
-                    // ------------------------------------------------------------------------
-                    // Here we wanna make sure that the Line will 'grip' at i*45, i*90 degrees
-                    // ------------------------------------------------------------------------
-
-                    QLineF radius(mPreviousPoint, position);
-				    qreal angle = radius.angle();
-					angle = qRound(angle / 45) * 45;
-	                qreal radiusLength = radius.length();
-		            QPointF newPosition(
-			            mPreviousPoint.x() + radiusLength * cos((angle * PI) / 180),
-				        mPreviousPoint.y() - radiusLength * sin((angle * PI) / 180));
-					QLineF chord(position, newPosition);
-                                        if (chord.length() < qMin((int)16, (int)(radiusLength / 20)))
-						position = newPosition;
-				}
+                // ------------------------------------------------------------------------
+                // Here we wanna make sure that the Line will 'grip' at i*45, i*90 degrees
+                // ------------------------------------------------------------------------
+
+                QLineF radius(mPreviousPoint, position);
+                qreal angle = radius.angle();
+                angle = qRound(angle / 45) * 45;
+                qreal radiusLength = radius.length();
+                QPointF newPosition(
+                    mPreviousPoint.x() + radiusLength * cos((angle * PI) / 180),
+                    mPreviousPoint.y() - radiusLength * sin((angle * PI) / 180));
+                QLineF chord(position, newPosition);
+                                    if (chord.length() < qMin((int)16, (int)(radiusLength / 20)))
+                    position = newPosition;
+            }
 
+            if(dc->mActiveRuler){
+                dc->mActiveRuler->DrawLine(position, width);
+            }else{
                 drawLineTo(position, width, UBDrawingController::drawingController()->stylusTool() == UBStylusTool::Line);
-			}
+            }
         }
         else if (currentTool == UBStylusTool::Eraser)
         {
@@ -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);
@@ -452,8 +453,8 @@ void UBGraphicsRuler::StartLine(const QPointF& scenePos, qreal width)
 	itemPos.setY(y);
 	itemPos = mapToScene(itemPos);
 
-	scene()->moveTo(itemPos);
-	scene()->drawLineTo(itemPos, width, true);
+    scene()->moveTo(itemPos);
+    scene()->drawLineTo(itemPos, width, true);
 }
 
 void UBGraphicsRuler::DrawLine(const QPointF& scenePos, qreal width)
@@ -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();
+}