Correction bug viewer (OStringStream invalides).

Code/Visu/otbImageViewer.h

@@ -169,7 +169,10 @@ class ITK_EXPORT ImageViewer
   virtual RegionType ComputeConstrainedRegion(RegionType smallRegion, RegionType bigRegion);
 
   /** Display pixel information */
-  virtual void PrintPixLocVal(std::string str);
+  virtual void PrintPixLocVal(IndexType index, PixelType pixel);
+
+  /** Clear pixel information */
+  virtual void ClearPixLocVal(void);
 
   /** This is a helper class that performs a Show() and Fl::run() in order to ease 
    *  the use of the class for example in wrappings.

Code/Visu/otbImageViewer.txx

@@ -484,12 +484,28 @@ namespace otb
   template <class TPixel>
   void 
   ImageViewer<TPixel>
-  ::PrintPixLocVal(std::string str)
+  ::PrintPixLocVal(IndexType index, PixelType pixel)
   {
-    m_PixLocOutput->value(str.c_str());
+    itk::OStringStream oss;
+    oss<<"Location: "<<index<<", values: "<<pixel;
+    if(oss.good())
+      {
+	m_PixLocOutput->value(oss.str().c_str());
+	m_PixLocOutput->redraw();
+	Fl::check();
+      }
+  }
+
+ template <class TPixel>
+  void 
+  ImageViewer<TPixel>
+  ::ClearPixLocVal(void)
+  {
+    m_PixLocOutput->value("");
     m_PixLocOutput->redraw();
     Fl::check();
   }
+  
 
  template <class TPixel>
   void 
@@ -498,7 +514,10 @@ namespace otb
   {
     itk::OStringStream oss;
     oss<<"Zoom Window (X"<<m_ZoomWidget->GetOpenGlIsotropicZoom()<<")";
-    m_ZoomWindow->copy_label(oss.str().c_str());
+    if(oss.good())
+      {
+	m_ZoomWindow->copy_label(oss.str().c_str());
+      }
     m_ZoomWindow->redraw();
     m_ZoomWidget->redraw();
   }
@@ -594,12 +613,9 @@ template <class TPixel>
   newIndex[0]=clickedIndex[0]-region.GetSize()[0]/2;
   newIndex[1]=clickedIndex[1]-region.GetSize()[1]/2;
   
- 
   region.SetIndex(newIndex);
-  otbMsgDebugMacro(<<"New region: "<<region);
 
   RegionType newRegion = ComputeConstrainedRegion(region,m_InputImage->GetLargestPossibleRegion());
-  otbMsgDebugMacro(<<"Constrained region: "<<newRegion);
   m_FullWidget->SetUpperLeftCorner(newRegion.GetIndex());
   this->UpdateScrollWidget();
 }

Code/Visu/otbImageViewerFullWidget.h

@@ -83,7 +83,7 @@ class ITK_EXPORT ImageViewerFullWidget
 	case FL_LEAVE:
 	  {
 	    m_MouseIn = false;
-	    m_Parent->PrintPixLocVal("");
+	    m_Parent->ClearPixLocVal();
 	    return 1;
 	}
 	case FL_MOVE:
@@ -96,11 +96,9 @@ class ITK_EXPORT ImageViewerFullWidget
 		IndexType newIndex = this->WindowToImageCoordinates(m_MousePos);
 		if(this->GetInput()->GetBufferedRegion().IsInside(newIndex))
 		  {
-		    itk::OStringStream oss;
+		   
 		    typename ImageType::PixelType newPixel = this->GetInput()->GetPixel(newIndex);
-		    oss<<" Location: "<<newIndex<<", Values:  "<<newPixel;
-		    std::string str(oss.str());
-		    m_Parent->PrintPixLocVal(str);
+		    m_Parent->PrintPixLocVal(newIndex,newPixel);
 		    m_MouseMoveCount=0;
 		  }
 	      }

Code/Visu/otbImageViewerScrollWidget.h

@@ -92,7 +92,7 @@ class ITK_EXPORT ImageViewerScrollWidget
 	case FL_LEAVE:
 	  {
 	  m_MouseIn = false;
-	  m_Parent->PrintPixLocVal("");
+	  m_Parent->ClearPixLocVal();
 	  return 1;
 	  }
 	case FL_MOVE:
@@ -106,10 +106,7 @@ class ITK_EXPORT ImageViewerScrollWidget
 		IndexType realIndex;
 		realIndex[0]=newIndex[0]*m_Parent->GetShrinkFactor();
 		realIndex[1]=newIndex[1]*m_Parent->GetShrinkFactor();
-		itk::OStringStream oss;
-		oss<<" Location: "<<realIndex<<", Values:  "<<this->GetInput()->GetPixel(newIndex);
-		std::string str(oss.str());
-		m_Parent->PrintPixLocVal(str);
+		m_Parent->PrintPixLocVal(realIndex,this->GetInput()->GetPixel(newIndex));
 		m_MouseMoveCount=0;
 	      }
 	  m_MouseMoveCount++;

Code/Visu/otbImageViewerZoomWidget.h

@@ -76,7 +76,7 @@ class ITK_EXPORT ImageViewerZoomWidget
 	  {
 	    m_MouseIn = false;
 	    m_Parent->UpdateZoomWidget();
-	    m_Parent->PrintPixLocVal("");
+	    m_Parent->ClearPixLocVal();
 	    // otbMsgDebugMacro(<<"Mouse out");
 	    return 1;
 	  }
@@ -90,10 +90,7 @@ class ITK_EXPORT ImageViewerZoomWidget
 		IndexType newIndex = this->WindowToImageCoordinates(m_MousePos);
 		if(this->GetInput()->GetBufferedRegion().IsInside(newIndex))
 		  {
-		    itk::OStringStream oss;
-		    oss<<" Location: "<<newIndex<<", Values:  "<<this->GetInput()->GetPixel(newIndex);
-		    std::string str(oss.str());
-		    m_Parent->PrintPixLocVal(str);
+		    m_Parent->PrintPixLocVal(newIndex,this->GetInput()->GetPixel(newIndex));
 		    m_MouseMoveCount=0;
 		  }
 	      }