X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=lib%2FmaracasVisuLib%2Fsrc%2Finterface%2FwxWindows%2Fwidgets%2FpPlotter%2FHistogramWidget.cxx;h=affe13c876cbe3c28c0a631115771bc2ce2acfc8;hb=096822cf3513065cfa25e378679339a5ae4684cf;hp=4febab2d37b4d3e9fd3d3f6e0b5a350540a0c115;hpb=c5feadbb145eecf6d73f793535b7e23eb18db2cb;p=creaMaracasVisu.git

diff --git a/lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/HistogramWidget.cxx b/lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/HistogramWidget.cxx
index 4febab2..affe13c 100644
--- a/lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/HistogramWidget.cxx
+++ b/lib/maracasVisuLib/src/interface/wxWindows/widgets/pPlotter/HistogramWidget.cxx
@@ -145,6 +145,7 @@ HistogramWidget::HistogramWidget( wxWindow *parent, wxWindowID id, const wxPoint
 			yValues[4]=0;
 			
 			pGraphicalFunction * tf = plotter ->getFunctionForVectors( xValues, 5, yValues, 5 ); 
+		printf("EED %p HistogramWidget::drawTransferenceFunction %p\n", this , tf);		
 			// Including and drawing the created function in the plotter
 			if (tf)
 			{
@@ -171,8 +172,10 @@ HistogramWidget::HistogramWidget( wxWindow *parent, wxWindowID id, const wxPoint
 		GetClientSize(&scrX,&scrY);
 		plotter->SetSize(scrX,scrY);
 		pGraphicalFunction* actual=plotter->getFunction(idTransferenceFunction);
-		actual->setScreens(scrX,scrY);
-		actual->setScales();
+		if(actual!=NULL){
+			actual->setScreens(scrX,scrY);
+			actual->setScales();
+		}
 		
 	}
 	/*
@@ -264,8 +267,12 @@ HistogramWidget::HistogramWidget( wxWindow *parent, wxWindowID id, const wxPoint
 	*/
 	bool  HistogramWidget::addPointToTransferenceFunction(double x, double y)
 	{
+		bool result=false;
 		pGraphicalFunction* tf=plotter->getFunction(idTransferenceFunction);
-		return tf->AddPoint(x,y);
+printf("EED %p HistogramWidget::addPointToTransferenceFunction tp%p x%f y%f %d\n",this, tf, x ,y, idTransferenceFunction);
+		if (tf!=NULL) { result=tf->AddPoint(x,y); }
+		
+		return result;
 	}
 	/*
 		add a color point to the histogram
@@ -292,15 +299,16 @@ HistogramWidget::HistogramWidget( wxWindow *parent, wxWindowID id, const wxPoint
 		{
 			// we have to erase the points
 			pGraphicalFunction* tf=plotter->getFunction(idTransferenceFunction);
-			int numOfPoints=tf->getSizePoints();
-			int i=numOfPoints-1;//-2;
-			while(i>=0)
-			{
-				tf->deletePointAt(i);
-				i--;
-			}
-			
-		}
+			if (tf!=NULL){
+				int numOfPoints=tf->getSizePoints();
+				int i=numOfPoints-1;//-2;
+				while(i>=0)
+				{
+					tf->deletePointAt(i);
+					i--;
+				} // while
+			} // if tf
+		} // if transferenceFunctionHasPoints
 		
 	//we set for actual the histogram
 		//plotter->setActual()