From 2687fd90dc3269db816354ead229ba805717206a Mon Sep 17 00:00:00 2001
From: Daniele Bariletti <daniele.bariletti@egalware.comm>
Date: Thu, 12 Mar 2026 18:12:21 +0100
Subject: [PATCH] EgtExecutor : - cambio restituzione valori per
 ExeSurfBezParamsFromPoint.

---
 EXE_GdbGetSurf.cpp | 14 +++++++-------
 LUA_GdbGetSurf.cpp | 11 +++++++----
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/EXE_GdbGetSurf.cpp b/EXE_GdbGetSurf.cpp
index eb61253..29dd83e 100644
--- a/EXE_GdbGetSurf.cpp
+++ b/EXE_GdbGetSurf.cpp
@@ -1674,7 +1674,7 @@ ExeSurfBezierGetCurveV( int nSurfId, double dU, int nDestGrpId)
 
 //----------------------------------------------------------------------------
 bool
-ExeSurfBezParamsFromPoint( int nSurfId, const Point3d& ptOnSurf, int nDestGrpId, Point3d& ptParam)
+ExeSurfBezParamsFromPoint( int nSurfId, const Point3d& ptOnSurf, int nDestGrpId, double& dU, double& dV)
 {
    IGeomDB* pGeomDB = GetCurrGeomDB() ;
    VERIFY_GEOMDB( pGeomDB, GDB_ID_NULL)
@@ -1682,12 +1682,12 @@ ExeSurfBezParamsFromPoint( int nSurfId, const Point3d& ptOnSurf, int nDestGrpId,
    const ISurfBezier* pSbz = GetSurfBezier( pGeomDB->GetGeoObj( nSurfId)) ;
    if ( pSbz == nullptr)
       return false ;
+   Point3d ptParam ;
    Point3d ptBez ;
-   bool bOk = pSbz->UnprojectPoint( ptOnSurf, ptParam, P_INVALID) ;
-   if ( ! bOk) {
-      ptParam = P_INVALID ;
-      return bOk ;
-   }
+   if ( ! pSbz->UnprojectPoint( ptOnSurf, ptParam, P_INVALID))
+      return false ;
+   dU = ptParam.x ;
+   dV = ptParam.y ;
 
    if ( nDestGrpId != GDB_ID_NULL) {
       Vector3d vtNorm, vtDerU, vtDerV ;
@@ -1723,7 +1723,7 @@ ExeSurfBezParamsFromPoint( int nSurfId, const Point3d& ptOnSurf, int nDestGrpId,
       ExeSetColor( vIds, Color(255,128,0), false) ;
    }
 
-   return bOk ;
+   return true ;
 }
 
 //----------------------------------------------------------------------------
diff --git a/LUA_GdbGetSurf.cpp b/LUA_GdbGetSurf.cpp
index f22e676..4096a17 100644
--- a/LUA_GdbGetSurf.cpp
+++ b/LUA_GdbGetSurf.cpp
@@ -1172,10 +1172,13 @@ LuaSurfBezParamsFromPoint( lua_State* L)
    LuaCheckParam( L, 3, nDestGrp)
    LuaClearStack( L) ;
   // recupero le coordinate parametriche del punto
-   Point3d ptParam = P_INVALID ;
-   bool bOk = ExeSurfBezParamsFromPoint( nSurfId, ptOnSurf, nDestGrp, ptParam) ;
-   if ( bOk)
-      LuaSetParam( L, ptParam) ;
+   double dU = - 1 ;
+   double dV = - 1 ;
+   bool bOk = ExeSurfBezParamsFromPoint( nSurfId, ptOnSurf, nDestGrp, dU, dV) ;
+   if ( bOk) {
+      LuaSetParam( L, dU) ;
+      LuaSetParam( L, dV) ;
+   }
    else 
       LuaSetParam( L) ;