From 56c632e1c4f0b447088ecafec9d0a066f8e6db45 Mon Sep 17 00:00:00 2001
From: mzn <mzn@opencascade.com>
Date: Thu, 27 Oct 2005 11:32:44 +0000
Subject: [PATCH] Fix for bug PAL9160 ( No shading on visualizations ).

---
 src/OBJECT/VISU_ScalarMapAct.cxx | 24 ++++++++++++++++++++++++
 src/OBJECT/VISU_ScalarMapAct.h   |  3 +++
 src/VISUGUI/VisuGUI.cxx          | 31 +++++++++++++++++++++++++++++++
 src/VISUGUI/VisuGUI.h            |  3 +++
 4 files changed, 61 insertions(+)

diff --git a/src/OBJECT/VISU_ScalarMapAct.cxx b/src/OBJECT/VISU_ScalarMapAct.cxx
index 01449f79..4dd55d13 100644
--- a/src/OBJECT/VISU_ScalarMapAct.cxx
+++ b/src/OBJECT/VISU_ScalarMapAct.cxx
@@ -78,3 +78,27 @@ void VISU_ScalarMapAct::SetBarVisibility(bool theMode){
   myBarVisibility = theMode;
   if(myScalarBar) myScalarBar->SetVisibility(myBarVisibility);
 }
+
+void VISU_ScalarMapAct::SetShading(bool theOn)
+{
+  vtkProperty* aProperty = GetProperty();
+
+  if (theOn)
+    {
+      aProperty->SetAmbient(0.0); 
+      aProperty->SetDiffuse(1.0);
+    }
+  else
+    {
+      aProperty->SetAmbient(1.0); 
+      aProperty->SetDiffuse(0.0);
+    }
+  myProperty->DeepCopy(aProperty);
+}
+
+bool VISU_ScalarMapAct::IsShading()
+{
+  vtkProperty* aProperty = GetProperty();
+  
+  return (aProperty->GetAmbient() == 0 && aProperty->GetDiffuse() == 1);
+}
diff --git a/src/OBJECT/VISU_ScalarMapAct.h b/src/OBJECT/VISU_ScalarMapAct.h
index bae6e529..1d8197a1 100644
--- a/src/OBJECT/VISU_ScalarMapAct.h
+++ b/src/OBJECT/VISU_ScalarMapAct.h
@@ -50,6 +50,9 @@ class VTKOCC_EXPORT VISU_ScalarMapAct : public VISU_Actor {
   virtual void SetBarVisibility(bool theMode);
   virtual bool GetBarVisibility(){ return myBarVisibility;}
 
+  virtual void SetShading(bool theOn = true);
+  virtual bool IsShading();
+
  protected:
   VISU_ScalarMapAct();
   bool myBarVisibility;
diff --git a/src/VISUGUI/VisuGUI.cxx b/src/VISUGUI/VisuGUI.cxx
index 0fc01fbb..cacfe290 100644
--- a/src/VISUGUI/VisuGUI.cxx
+++ b/src/VISUGUI/VisuGUI.cxx
@@ -48,6 +48,7 @@
 
 #include "VISU_Actor.h"
 #include "VISU_MeshAct.h"
+#include "VISU_ScalarMapAct.h"
 
 #include "VisuGUI_MagnitudeDlg.h"
 #include "VisuGUI_CursorDlg.h"
@@ -1603,7 +1604,27 @@ void VisuGUI::MakeShrink() {
   ChangeRepresentation(VISU::SHRINK);
 }
 
+void VisuGUI::SetShadingOn() {
+  if(VISU::Prs3d_i* aPrsObject = GetSelectedPrs3d())
+    if(VISU_Actor* anActor = GetActor(aPrsObject)){
+      VISU_ScalarMapAct* aScalarMapActor = dynamic_cast<VISU_ScalarMapAct*>(anActor);
+      if (aScalarMapActor)
+	aScalarMapActor->SetShading();
+    }
+  if (VTKViewer_ViewFrame* vf = GetVtkViewFrame()) 
+    vf->Repaint();
+}
 
+void VisuGUI::SetShadingOff() {
+  if(VISU::Prs3d_i* aPrsObject = GetSelectedPrs3d())
+    if(VISU_Actor* anActor = GetActor(aPrsObject)){
+      VISU_ScalarMapAct* aScalarMapActor = dynamic_cast<VISU_ScalarMapAct*>(anActor);
+      if (aScalarMapActor)
+	aScalarMapActor->SetShading(false);
+    }
+  if (VTKViewer_ViewFrame* vf = GetVtkViewFrame()) 
+    vf->Repaint();
+}
 
 //=====================================================================================
 // functions : Change Propertise
@@ -3001,6 +3022,16 @@ bool VisuGUI::CustomPopup(QAD_Desktop* parent, QPopupMenu* thePopup, const QStri
 		    else
 		      aPresMenu->insertItem("Shrink", visuGUI, SLOT(MakeShrink()));
 		  }
+
+		if (VISU_ScalarMapAct* anActor = dynamic_cast<VISU_ScalarMapAct*>(anVISUActor))
+		  {
+		    aPresMenu->insertSeparator();
+		    if (anActor->IsShading())
+		      aPresMenu->insertItem("Shading Off", visuGUI, SLOT(SetShadingOff()));
+		    else
+		      aPresMenu->insertItem("Shading On", visuGUI, SLOT(SetShadingOn()));
+		  }
+
 		thePopup->insertItem("Representation", aPresMenu);
 
 		// Add Properties
diff --git a/src/VISUGUI/VisuGUI.h b/src/VISUGUI/VisuGUI.h
index bcefa28a..f8ade71c 100644
--- a/src/VISUGUI/VisuGUI.h
+++ b/src/VISUGUI/VisuGUI.h
@@ -238,6 +238,9 @@ public slots:
   void MakeSurface();
   void MakePoints();
   void MakeShrink();
+
+  void SetShadingOn();
+  void SetShadingOff();
   
   void ChageColor();
   void ChangeWireframeColor();
-- 
2.39.2