0025552: Visualization - provide the way to hide the object in specified view of the viewer

Add test case bugs/vis/bug25552
OpenGl_GraphicDriver - do not use View and Workspace identifiers on level of entire Driver

src/Visual3d/Visual3d_View.cdl

@@ -105,6 +105,7 @@ uses
     AsciiString             from TCollection,
     ExtendedString          from TCollection,
     CGraduatedTrihedron     from Graphic3d,
+    NMapOfTransient         from Graphic3d,
     TypeOfStructure         from Graphic3d,
 
     PixMap                  from Image,
@@ -1152,6 +1153,16 @@ is
     -- In contrast to Bitmaps, Vector graphics is scalable (so you may got quality benefits on printing to laser printer).
     -- Notice however that results may differ a lot and do not contain some elements.
 
+    HiddenObjects (me) returns NMapOfTransient from Graphic3d is static;
+    ---C++: return const &
+    ---Level: Public
+    ---Purpose: Returns map of objects hidden within this specific view (not viewer-wise).
+
+    ChangeHiddenObjects (me : mutable) returns NMapOfTransient from Graphic3d is static;
+    ---C++: return &
+    ---Level: Public
+    ---Purpose: Returns map of objects hidden within this specific view (not viewer-wise).
+
 fields
 
   -- the ViewManager associated with the view
@@ -1193,6 +1204,8 @@ fields
 
   myStructuresUpdated     : Boolean from Standard;
 
+  myHiddenObjects : NMapOfTransient from Graphic3d;
+
 friends
 
   class ViewManager from Visual3d

src/Visual3d/Visual3d_View.cxx

@@ -53,6 +53,8 @@ Visual3d_View::Visual3d_View (const Handle(Visual3d_ViewManager)& theMgr)
   myAutoZFitScaleFactor (1.0),
   myStructuresUpdated   (Standard_True)
 {
+  myHiddenObjects = new Graphic3d_NMapOfTransient();
+
   MyCView.ViewId                  = theMgr->Identification (this);
   MyCView.Active                  = 0;
   MyCView.IsDeleted               = 0;
@@ -1735,6 +1737,7 @@ Bnd_Box Visual3d_View::MinMaxValues (const Graphic3d_MapOfStructure& theSet,
                                      const Standard_Boolean          theToIgnoreInfiniteFlag) const
 {
   Bnd_Box aResult;
+  const Standard_Integer aViewId = MyCView.ViewId;
   for (Graphic3d_MapIteratorOfMapOfStructure aStructIter (theSet); aStructIter.More(); aStructIter.Next())
   {
     const Handle(Graphic3d_Structure)& aStructure = aStructIter.Key();
@@ -1742,6 +1745,11 @@ Bnd_Box Visual3d_View::MinMaxValues (const Graphic3d_MapOfStructure& theSet,
     {
       continue;
     }
+    else if (!aStructIter.Value()->CStructure()->ViewAffinity.IsNull()
+          && !aStructIter.Value()->CStructure()->ViewAffinity->IsVisible (aViewId))
+    {
+      continue;
+    }
 
     addStructureBndBox (aStructure, theToIgnoreInfiniteFlag, aResult);
   }
@@ -2690,3 +2698,21 @@ Standard_Boolean Visual3d_View::Print (const Handle(Visual3d_Layer)& theUnderLay
                                  thePrintDC, theToShowBackground, theFilename,
                                  thePrintAlgorithm, theScaleFactor);
 }
+
+//=============================================================================
+//function : HiddenObjects
+//purpose  :
+//=============================================================================
+const Handle(Graphic3d_NMapOfTransient)& Visual3d_View::HiddenObjects() const
+{
+  return myHiddenObjects;
+}
+
+//=============================================================================
+//function : HiddenObjects
+//purpose  :
+//=============================================================================
+Handle(Graphic3d_NMapOfTransient)& Visual3d_View::ChangeHiddenObjects()
+{
+  return myHiddenObjects;
+}

src/Visual3d/Visual3d_ViewManager.cxx

@@ -81,7 +81,7 @@
 Visual3d_ViewManager::Visual3d_ViewManager (const Handle(Graphic3d_GraphicDriver)& theDriver):
 Graphic3d_StructureManager (theDriver),
 MyDefinedView (),
-MyViewGenId (View_IDMIN+((View_IDMIN+View_IDMAX)/(Visual3d_ViewManager::Limit ()))*(Visual3d_ViewManager::CurrentId ()-1),View_IDMIN+((View_IDMIN+View_IDMAX)/(Visual3d_ViewManager::Limit ()))*Visual3d_ViewManager::CurrentId ()-1),
+MyViewGenId (0, 31),
 MyZBufferAuto (Standard_False),
 myZLayerGenId (1, IntegerLast())
 {