Fix for the bug #255: VTK viewer is not updated after modification of objects.

[modules/hydro.git] / src / HYDROGUI / HYDROGUI_PrsImage.cxx

diff --git a/src/HYDROGUI/HYDROGUI_PrsImage.cxx b/src/HYDROGUI/HYDROGUI_PrsImage.cxx
index 250d4c859555c219b757dcf15fb2dc0a9fb3f511..172f5f72b41b7b4a2edb7eac4b3f10631d03cef4 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_PrsImage.cxx
+++ b/src/HYDROGUI/HYDROGUI_PrsImage.cxx
@@ -298,6 +298,7 @@ void HYDROGUI_PrsImage::computeTransformationPoints()
     int aWidth = myImage.width();
     int aHeight = myImage.height();
 
+    // Create presentations for transformation points A, B and C
     for( int aPointType = PointA; aPointType <= PointC; aPointType++ )
     {
       TransformationPoint aTransformationPoint;
@@ -341,29 +342,37 @@ void HYDROGUI_PrsImage::computeTransformationPoints()
     }
   }
 
-  bool anIsVisible = myIsTransformationPointPreview;
-  bool anIsPointVisible;
   for( int aPointType = PointA; aPointType <= PointC; aPointType++ )
   {
-    // If image is transformed only by two points then the point C is invisible
-    anIsPointVisible = anIsVisible && ( 
-      ( !myIsByTwoPoints ) || ( myIsByTwoPoints && ( aPointType != PointC ) ) );
-    TransformationPoint& aTransformationPoint = myTransformationPointMap[ aPointType ];
-
-    double aRadius = 5;
-    const QPointF& aPoint = aTransformationPoint.Point;
-    QRectF aRect( aPoint - QPointF( aRadius, aRadius ), QSizeF( aRadius * 2 + 1, aRadius * 2 + 1 ) );
-    aTransformationPoint.PointItem->setRect( aRect );
-    aTransformationPoint.PointItem->setVisible( anIsPointVisible );
-
-    QPointF aCaptionShift( -aRadius * 2, aRadius * 2 );
-    aTransformationPoint.CaptionItem->setPos( aPoint + aCaptionShift );
-    aTransformationPoint.CaptionItem->setVisible( anIsPointVisible );
+    // Show/hide the point if necessary
+    updateTrsfPoint( aPointType );
   }
 }
 
 //================================================================
-// Function : IsByTwoPoints
+// Function : updateTrsfPoint
+// Purpose  : 
+//================================================================
+void HYDROGUI_PrsImage::updateTrsfPoint( const int thePointType )
+{
+  // If image is transformed only by two points then the point C is invisible
+  bool anIsPointVisible = myIsTransformationPointPreview && ( 
+    ( !myIsByTwoPoints ) || ( myIsByTwoPoints && ( thePointType != PointC ) ) );
+  TransformationPoint& aTransformationPoint = myTransformationPointMap[ thePointType ];
+
+  double aRadius = 5;
+  const QPointF& aPoint = aTransformationPoint.Point;
+  QRectF aRect( aPoint - QPointF( aRadius, aRadius ), QSizeF( aRadius * 2 + 1, aRadius * 2 + 1 ) );
+  aTransformationPoint.PointItem->setRect( aRect );
+  aTransformationPoint.PointItem->setVisible( anIsPointVisible );
+
+  QPointF aCaptionShift( -aRadius * 2, aRadius * 2 );
+  aTransformationPoint.CaptionItem->setPos( aPoint + aCaptionShift );
+  aTransformationPoint.CaptionItem->setVisible( anIsPointVisible );
+}
+
+//================================================================
+// Function : getIsByTwoPoints
 // Purpose  : 
 //================================================================
 bool HYDROGUI_PrsImage::getIsByTwoPoints() const
@@ -372,7 +381,7 @@ bool HYDROGUI_PrsImage::getIsByTwoPoints() const
 }
 
 //================================================================
-// Function : SetIsByTwoPoints
+// Function : setIsByTwoPoints
 // Purpose  : 
 //================================================================
 void HYDROGUI_PrsImage::setIsByTwoPoints( const bool theIsByTwoPoints )
@@ -380,8 +389,7 @@ void HYDROGUI_PrsImage::setIsByTwoPoints( const bool theIsByTwoPoints )
   myIsByTwoPoints = theIsByTwoPoints;
   if ( myTransformationPointMap.contains( PointC ) )
   {
-    TransformationPoint& aTransformationPoint = myTransformationPointMap[ PointC ];
-    aTransformationPoint.PointItem->setVisible( myIsTransformationPointPreview && theIsByTwoPoints );
-    aTransformationPoint.CaptionItem->setVisible( myIsTransformationPointPreview && theIsByTwoPoints );
+    // Show/hide the point C if necessary
+    updateTrsfPoint( PointC );
   }
 }