X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=lib%2FmaracasVisuLib%2Fsrc%2Finterface%2FwxWindows%2Fwidgets%2FwxMaracas_N_ViewersWidget.cxx;h=4e6cd1923c56611ed93c62e348ed11d4031cdcd5;hb=e2509516e281249369e6792239847216068556c4;hp=59716654f322010789873f7a2fe87665f0ce2eb4;hpb=00a6c465c4e2fd1111dbb10cc0d70846fa03eeaa;p=creaMaracasVisu.git

diff --git a/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxMaracas_N_ViewersWidget.cxx b/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxMaracas_N_ViewersWidget.cxx
index 5971665..4e6cd19 100644
--- a/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxMaracas_N_ViewersWidget.cxx
+++ b/lib/maracasVisuLib/src/interface/wxWindows/widgets/wxMaracas_N_ViewersWidget.cxx
@@ -3,8 +3,8 @@
   Program:   wxMaracas
   Module:    $RCSfile: wxMaracas_N_ViewersWidget.cxx,v $
   Language:  C++
-  Date:      $Date: 2010/03/26 14:52:24 $
-  Version:   $Revision: 1.16 $
+  Date:      $Date: 2010/05/03 13:46:48 $
+  Version:   $Revision: 1.17 $
 
   Copyright: (c) 2002, 2003
   License:
@@ -266,7 +266,8 @@
 
 //-----------------------------------------------------------------------------------
 double wxMaracas_N_ViewersWidget :: GetX()
-{
+{	
+	invariant();
 	return mvtkmprbasedata->GetX();
 //	return wxwindow1->GetX();
 }
@@ -274,6 +275,7 @@ double wxMaracas_N_ViewersWidget :: GetX()
 //-----------------------------------------------------------------------------------
 double wxMaracas_N_ViewersWidget :: GetY()
 {
+	invariant();
 	return mvtkmprbasedata->GetY();
 //	return wxwindow1->GetY();
 }
@@ -282,10 +284,17 @@ double wxMaracas_N_ViewersWidget :: GetY()
 //-----------------------------------------------------------------------------------
 double wxMaracas_N_ViewersWidget :: GetZ()
 {
+	invariant();
 	return mvtkmprbasedata->GetZ();
 //	return wxwindow1->GetZ();
 }
 
+void wxMaracas_N_ViewersWidget :: invariant(){
+	if(mvtkmprbasedata == 0){
+		throw "The image has not been set in the viewer";
+	}
+}
+
 void wxMaracas_N_ViewersWidget::setColorTransferFunction(vtkColorTransferFunction* colortable){
     if (wxwindow1!=NULL) {
 		wxwindow1->setColorTransferFunction(colortable);