EgtExecutor :

- aggiunta funzione Exe e Lua GetBackground per colori top e bottom dello sfondo della scena.

EXE_Scene.cpp

@@ -86,6 +86,17 @@ ExeSetBackground( Color TopCol, Color BottomCol, bool bRedraw)
    return true ;
 }
 
+//-----------------------------------------------------------------------------
+bool
+ExeGetBackground( Color& TopCol, Color& BottomCol)
+{
+   IEGrScene* pScene = GetCurrScene() ;
+   VERIFY_SCENE( pScene, false)
+  // recupero lo sfondo
+   pScene->GetBackground( TopCol, BottomCol) ;
+   return true ;
+}
+
 //-----------------------------------------------------------------------------
 bool
 ExeSetMarkAttribs( Color MarkCol)

LUA_Scene.cpp

@@ -38,6 +38,28 @@ LuaSetBackground( lua_State* L)
    return 1 ;
 }
 
+//-------------------------------------------------------------------------------
+static int
+LuaGetBackground( lua_State* L)
+{
+  // nessun parametro
+   LuaClearStack( L) ;
+  // recupero lo sfondo
+   Color colTop ;
+   Color colBot ;
+   bool bOk = ExeGetBackground( colTop, colBot) ;
+  // restituisco il risultato
+   if ( bOk) {
+      LuaSetParam( L, colTop) ;
+      LuaSetParam( L, colBot) ;
+   }
+   else {
+      LuaSetParam( L) ;
+      LuaSetParam( L) ;
+   }
+   return 2 ;
+}
+
 //-------------------------------------------------------------------------------
 static int
 LuaDraw( lua_State* L)
@@ -237,6 +259,7 @@ LuaInstallScene( LuaMgr& luaMgr)
 {
    bool bOk = ( &luaMgr != nullptr) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSetBackground", LuaSetBackground) ;
+   bOk = bOk && luaMgr.RegisterFunction( "EgtGetBackground", LuaGetBackground) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtDraw", LuaDraw) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSetShowMode", LuaSetShowMode) ;
    bOk = bOk && luaMgr.RegisterFunction( "EgtSetShowCurveDirection", LuaSetShowCurveDirection) ;