To prevent drawing black frames around the markers symbols during the print operation.

diff --git a/src/Plot2d/Plot2d_ViewFrame.cxx b/src/Plot2d/Plot2d_ViewFrame.cxx
index 5d3c36c8954bf0035a6c5becfd5eaf52cd5cfc5f..420103f4752b5eb428be341766a65555ddd478b7 100755 (executable)
--- a/src/Plot2d/Plot2d_ViewFrame.cxx
+++ b/src/Plot2d/Plot2d_ViewFrame.cxx
@@ -608,7 +608,7 @@ void Plot2d_ViewFrame::displayCurve( Plot2d_Curve* curve, bool update )
       aPCurve->setPen( QPen( color, DEFAULT_LINE_WIDTH, typeLine ) );
       aPCurve->setSymbol( QwtSymbol( typeMarker, 
                QBrush( color ), 
-               QPen( color ), 
+               QPen( color, 1 ), // width's set to 1 for correct printing
                QSize( myMarkerSize, myMarkerSize ) ) );
       curve->setColor( color );
       curve->setLine( Plot2d::qwt2plotLine( typeLine ) );
@@ -621,7 +621,7 @@ void Plot2d_ViewFrame::displayCurve( Plot2d_Curve* curve, bool update )
       aPCurve->setPen( QPen( curve->getColor(), curve->getLineWidth(), ps ) );
       aPCurve->setSymbol( QwtSymbol( ms, 
                QBrush( curve->getColor() ), 
-               QPen( curve->getColor() ), 
+               QPen( curve->getColor(), 1 ), // width's set to 1 for correct printing
                QSize( myMarkerSize, myMarkerSize ) ) );
       myPlot->setCurveNbMarkers( curve, curve->getNbMarkers() );
     }
@@ -707,7 +707,7 @@ void Plot2d_ViewFrame::updateCurve( Plot2d_Curve* curve, bool update )
       aPCurve->setPen ( QPen( curve->getColor(), curve->getLineWidth(), ps ) );
       aPCurve->setSymbol( QwtSymbol( ms, 
                QBrush( curve->getColor() ), 
-               QPen( curve->getColor() ), 
+               QPen( curve->getColor(), 1 ), // width's set to 1 for correct printing
                QSize( myMarkerSize, myMarkerSize ) ) );
       aPCurve->setData( curve->horData(), curve->verData(), curve->nbPoints() );
       Plot2d_PlotCurve* aPlot2dCurve = dynamic_cast< Plot2d_PlotCurve* >( aPCurve );
@@ -2579,3 +2579,30 @@ bool Plot2d_ViewFrame::getAutoUpdateTitle( const ObjectType type ) const
   }
 }
 
+/*!
+  Restores pen's width of marker symbols to 1
+*/
+void Plot2d_ViewFrame::updateSymbols()
+{
+  curveList aList;
+  getCurves( aList );
+
+  curveList::iterator anIter, anIterEnd = aList.end();
+  for( anIter = aList.begin(); anIter != anIterEnd; anIter++ )
+  {
+    if( Plot2d_Curve* aCurve = *anIter )
+    {
+      if( QwtPlotCurve* aPCurve = getPlotCurve( aCurve ) )
+      {
+        QwtSymbol aSymbol = aPCurve->symbol();
+        QPen aPen = aSymbol.pen();
+        if( aPen.width() == 0 )
+        {
+          aPen.setWidth( 1 );
+          aSymbol.setPen( aPen );
+          aPCurve->setSymbol( aSymbol );
+        }
+      }
+    }
+  }
+}

diff --git a/src/Plot2d/Plot2d_ViewFrame.h b/src/Plot2d/Plot2d_ViewFrame.h
index 9678b57c87b3a26e2c8d0d8be4f933189ceb31db..9d0c2c23b95165b2a91987ef880a2a9f8aa9b006 100755 (executable)
--- a/src/Plot2d/Plot2d_ViewFrame.h
+++ b/src/Plot2d/Plot2d_ViewFrame.h
@@ -141,6 +141,8 @@ public:
   void    setAutoUpdateTitle( const ObjectType type, const bool upd );
   bool    getAutoUpdateTitle( const ObjectType type ) const;
 
+  void    updateSymbols();
+
 protected:
   int     testOperation( const QMouseEvent& );
   void    readPreferences();

diff --git a/src/Plot2d/Plot2d_ViewWindow.cxx b/src/Plot2d/Plot2d_ViewWindow.cxx
index fa4906c7a862052e8b82ce769b6857e2599cea24..9c7b9e22450271951574b43abbaae2637e68faba 100755 (executable)
--- a/src/Plot2d/Plot2d_ViewWindow.cxx
+++ b/src/Plot2d/Plot2d_ViewWindow.cxx
@@ -606,6 +606,12 @@ void Plot2d_ViewWindow::onDumpView()
 void Plot2d_ViewWindow::onPrintView()
 {
   myViewFrame->print();
+
+  // This method is called to restore pen's width for all curves' marker symbols
+  // to 1 instead of zero values set somewhere in QwtPlot::print() (presumably,
+  // by QwtPlotPrintFilter), and, correspondingly, to prevent drawing black frames
+  // around the symbols during the next printing.
+  myViewFrame->updateSymbols();
 }
 
 /*!