refs #430: incorrect coordinates in dump polyline

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

diff --git a/src/HYDROGUI/HYDROGUI_PrsImageFrame.cxx b/src/HYDROGUI/HYDROGUI_PrsImageFrame.cxx
index 058d0ea6ea38d75804ef0846a99fb72ac291db5c..f5aaade5dea264a3a3bbbeb876b53c3a553b9692 100644 (file)
--- a/src/HYDROGUI/HYDROGUI_PrsImageFrame.cxx
+++ b/src/HYDROGUI/HYDROGUI_PrsImageFrame.cxx
@@ -164,14 +164,26 @@ QRectF HYDROGUI_PrsImageFrame::UnscaledGraphicsEllipseItem::boundingRect() const
   if( !aParent )
     return aRect;
 
-  QTransform aTransform = aParent->getViewTransform();
-  double aScale = aTransform.m11(); // same as m22(), viewer specific
-  if( fabs( aScale ) < EPSILON )
+  // take into account a transformation of the base image item
+  double aXScale = 1.0;
+  double aYScale = 1.0;
+  if( QGraphicsItem* aGrandParent = aParent->parentItem() )
+  {
+    QTransform aTransform = aGrandParent->transform();
+    QLineF aLine( 0, 0, 1, 1 );
+    aLine = aTransform.map( aLine );
+    aXScale = aLine.dx();
+    aYScale = aLine.dy();
+  }
+
+  QTransform aViewTransform = aParent->getViewTransform();
+  double aScale = aViewTransform.m11(); // same as m22(), viewer specific
+  if( fabs( aScale ) < EPSILON || fabs( aXScale ) < EPSILON || fabs( aYScale ) < EPSILON)
     return aRect;
 
   QPointF aCenter = aRect.center();
-  double aWidth = aRect.width() / aScale;
-  double aHeight = aRect.height() / aScale;
+  double aWidth = aRect.width() / aScale / aXScale;
+  double aHeight = aRect.height() / aScale / aYScale;
 
   aRect = QRectF( aCenter.x() - aWidth / 2, aCenter.y() - aHeight / 2, aWidth, aHeight );
   return aRect;
@@ -205,7 +217,6 @@ void HYDROGUI_PrsImageFrame::UnscaledGraphicsEllipseItem::paint(
   thePainter->save();
   thePainter->setTransform( GenerateTranslationOnlyTransform( thePainter->transform(),
                                                               myBasePoint ) );
-
   QGraphicsEllipseItem::paint( thePainter, theOption, theWidget );
   thePainter->restore();
 }