loplugin: cstylecast

Change-Id: I44408c89d00064ae00e4e0ae154ba79c35e56c7f

drawinglayer/source/primitive2d/controlprimitive2d.cxx

@@ -289,7 +289,7 @@ namespace drawinglayer
             // use base class compare operator
             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
             {
-                const ControlPrimitive2D& rCompare = (ControlPrimitive2D&)rPrimitive;
+                const ControlPrimitive2D& rCompare = static_cast<const ControlPrimitive2D&>(rPrimitive);
 
                 if(getTransform() == rCompare.getTransform())
                 {

drawinglayer/source/primitive2d/graphicprimitive2d.cxx

@@ -210,7 +210,7 @@ namespace drawinglayer
         {
             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
             {
-                const GraphicPrimitive2D& rCompare = (GraphicPrimitive2D&)rPrimitive;
+                const GraphicPrimitive2D& rCompare = static_cast<const GraphicPrimitive2D&>(rPrimitive);
 
                 return (getTransform() == rCompare.getTransform()
                     && getGraphicObject() == rCompare.getGraphicObject()

drawinglayer/source/primitive2d/mediaprimitive2d.cxx

@@ -112,7 +112,7 @@ namespace drawinglayer
         {
             if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
             {
-                const MediaPrimitive2D& rCompare = (MediaPrimitive2D&)rPrimitive;
+                const MediaPrimitive2D& rCompare = static_cast<const MediaPrimitive2D&>(rPrimitive);
 
                 return (getTransform() == rCompare.getTransform()
                     && getURL() == rCompare.getURL()