From: Roman Lygin <roman.lygin@gmail.com>
Date: Wed, 28 Nov 2012 09:50:28 +0000 (+0400)
Subject: 0023596: Extending XCAFPrs_AISObject to enable customization of default color
X-Git-Tag: V6_6_0_beta~192
X-Git-Url: http://git.dev.opencascade.org/gitweb/?p=occt.git;a=commitdiff_plain;h=576ab3945d002d5cf620ebd14ee26e5bea120515

0023596: Extending XCAFPrs_AISObject to enable customization of default color
---

diff --git a/src/XCAFPrs/XCAFPrs_AISObject.cdl b/src/XCAFPrs/XCAFPrs_AISObject.cdl
index fc4aa1008e..df286265e9 100755
--- a/src/XCAFPrs/XCAFPrs_AISObject.cdl
+++ b/src/XCAFPrs/XCAFPrs_AISObject.cdl
@@ -64,9 +64,16 @@ is
              aPresentationManager : PresentationManager3d from PrsMgr;
              aPresentation        : mutable Presentation from Prs3d;
     	     aMode                : Integer from Standard = 0) 
-    is redefined virtual private;
+    is redefined virtual protected;
     	---Purpose: Redefined method to compute presentation
 
+    DefaultStyle (me;
+                  aStyle: out Style from XCAFPrs)
+    is virtual protected;
+    ---Purpose: Fills out a default style object which is used when styles are
+    --          not explicitly defined in the document.
+    --          By default, the style uses white color for curves and surfaces.
+
 fields
     myLabel : Label from TDF;
 
diff --git a/src/XCAFPrs/XCAFPrs_AISObject.cxx b/src/XCAFPrs/XCAFPrs_AISObject.cxx
index b3d2a3cc2f..60d430fc56 100755
--- a/src/XCAFPrs/XCAFPrs_AISObject.cxx
+++ b/src/XCAFPrs/XCAFPrs_AISObject.cxx
@@ -434,9 +434,7 @@ void XCAFPrs_AISObject::Compute (const Handle(PrsMgr_PresentationManager3d)& aPr
   // dispatch (sub)shapes by their styles
   XCAFPrs_DataMapOfStyleShape items;
   XCAFPrs_Style DefStyle;
-  Quantity_Color White ( Quantity_NOC_WHITE );
-  DefStyle.SetColorSurf ( White );
-  DefStyle.SetColorCurv ( White );
+  DefaultStyle (DefStyle);
   XCAFPrs::DispatchStyles ( shape, settings, items, DefStyle );
 #ifdef DEB
   //cout << "Dispatch done" << endl;
@@ -475,3 +473,14 @@ void XCAFPrs_AISObject::Compute (const Handle(PrsMgr_PresentationManager3d)& aPr
   
   aPrs->ReCompute(); // for hidden line recomputation if necessary...
 }
+
+//=======================================================================
+//function : DefaultStyle
+//purpose  : DefaultStyle() can be redefined by subclasses in order to set custom default style
+//=======================================================================
+void XCAFPrs_AISObject::DefaultStyle (XCAFPrs_Style& aStyle) const
+{
+  static const Quantity_Color White ( Quantity_NOC_WHITE );
+  aStyle.SetColorSurf ( White );
+  aStyle.SetColorCurv ( White );
+}