From bd1739213eac9b954d69192c3c2067413efccc85 Mon Sep 17 00:00:00 2001
From: imn <imn@opencascade.com>
Date: Mon, 13 Apr 2015 11:10:01 +0300
Subject: [PATCH] INT PAL 0052656: Plot2D Viewer: add possibility to change
 curve type of analytical curves

---
 src/Plot2d/Plot2d_AnalyticalCurve.h | 3 ++-
 src/Plot2d/Plot2d_ViewFrame.cxx     | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Plot2d/Plot2d_AnalyticalCurve.h b/src/Plot2d/Plot2d_AnalyticalCurve.h
index bb74280cb..8d7d0e56a 100755
--- a/src/Plot2d/Plot2d_AnalyticalCurve.h
+++ b/src/Plot2d/Plot2d_AnalyticalCurve.h
@@ -30,6 +30,7 @@
 
 class QwtPlot;
 class QwtPlotItem;
+class QwtPlotCurve;
 
 
 class PLOT2D_EXPORT Plot2d_AnalyticalCurve
@@ -131,7 +132,7 @@ protected:
   QString              myName; 
   int                  myAction;
   int                  myState;
-  QwtPlotItem*         myCurve;
+  QwtPlotCurve*         myCurve;
   bool                 myActive;
   bool                 myIsSelected;
 
diff --git a/src/Plot2d/Plot2d_ViewFrame.cxx b/src/Plot2d/Plot2d_ViewFrame.cxx
index 032627fec..db3e2acc5 100755
--- a/src/Plot2d/Plot2d_ViewFrame.cxx
+++ b/src/Plot2d/Plot2d_ViewFrame.cxx
@@ -1988,6 +1988,13 @@ void Plot2d_ViewFrame::setCurveType( int curveType, bool update )
     if ( crv )
       setCurveType( crv, myCurveType );
   }
+  for(int i=0 ; i < myAnalyticalCurves.count(); i++) {
+    QwtPlotCurve* aPCurve = dynamic_cast<QwtPlotCurve*>( myAnalyticalCurves[i]->plotItem() );
+    Plot2d_AnalyticalCurve* aCurve = dynamic_cast<Plot2d_AnalyticalCurve*>( myAnalyticalCurves[i] );
+    if ( aPCurve && aCurve ) {
+      setCurveType( aPCurve, myCurveType );
+    }
+  }
   if ( update )
     myPlot->replot();
   emit vpCurveChanged();
-- 
2.39.2