From b7a4f0bff3e686f02169e80ac2476a87dc05a887 Mon Sep 17 00:00:00 2001
From: Dario Sassi <dario.sassi@egalware.com>
Date: Fri, 28 Mar 2025 20:17:50 +0100
Subject: [PATCH] EgtGeomKernel : - a SurfTriMesh aggiunto metodo
 CreateByPolygonWithHoles.

---
 SfrCreate.cpp   |  6 ++----
 SurfTriMesh.cpp | 11 +++++++++++
 SurfTriMesh.h   |  5 +++--
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/SfrCreate.cpp b/SfrCreate.cpp
index 4d576d8..cc18437 100644
--- a/SfrCreate.cpp
+++ b/SfrCreate.cpp
@@ -577,10 +577,8 @@ SurfFlatRegionByContours::GetUnusedCurveTempProps( INTVECTOR& vId)
 bool
 CalcRegionPolyLines( const POLYLINEVECTOR& vPL, Vector3d& vtN, INTMATRIX& vnPLIndMat, BOOLVECTOR& vbInvert)
 {
-   // matrice di interi : ogni riga corrisponde ad un chunk, dove in posizione 0 c'è il loop esterno e nelle
-   // successive i loop interni
-   //INTMATRIX vnPLIndMat ;
-   // vettore di bool : riferito al vettore originale delle polyline, riporta true se la polyline è stata invertita
+  // vnPLIndMat : ogni riga corrisponde ad un chunk, in posizione 0 c'è il loop esterno e nelle successive i loop interni
+  // vbInvert : riferito al vettore delle polyline, riporta true se la polyline è stata invertita
 
   // ricavo versore normale
    Plane3d plPlane ; double dArea ;
diff --git a/SurfTriMesh.cpp b/SurfTriMesh.cpp
index 3b22004..87e5ffb 100644
--- a/SurfTriMesh.cpp
+++ b/SurfTriMesh.cpp
@@ -2091,6 +2091,17 @@ SurfTriMesh::CreateByFlatContour( const PolyLine& PL)
    return AdjustTopology() ;
 }
 
+//----------------------------------------------------------------------------
+bool
+SurfTriMesh::CreateByPolygonWithHoles( const POLYLINEVECTOR& vPL)
+{
+   INTMATRIX vnPLIndMat ;
+   vnPLIndMat.push_back( { 0}) ;
+   for ( int i = 1 ; i < int( vPL.size()) ; ++ i)
+      vnPLIndMat[0].push_back( i) ;
+   return CreateByRegion( vPL, vnPLIndMat) ;
+}
+
 //----------------------------------------------------------------------------
 bool
 SurfTriMesh::CreateByRegion( const POLYLINEVECTOR& vPL, const INTMATRIX& vnPLIndMat)
diff --git a/SurfTriMesh.h b/SurfTriMesh.h
index 135ea7e..96bdd43 100644
--- a/SurfTriMesh.h
+++ b/SurfTriMesh.h
@@ -1,7 +1,7 @@
 //----------------------------------------------------------------------------
-//  EgalTech 2014-2023
+//  EgalTech 2014-2025
 //----------------------------------------------------------------------------
-// File : SurfTriMesh.h         Data : 09.12.23          Versione : 2.5l2
+// File : SurfTriMesh.h         Data : 28.03.25          Versione : 2.7c4
 // Contenuto : Dichiarazione della classe Superficie TriMesh.
 //
 //
@@ -251,6 +251,7 @@ class SurfTriMesh : public ISurfTriMesh, public IGeoObjRW
       bool RemoveTriangle( int nId) override ;
       bool AdjustTopology( void) override ;
       bool CreateByFlatContour( const PolyLine& PL) override ;
+      bool CreateByPolygonWithHoles( const POLYLINEVECTOR& vPL) override ;
       bool CreateByExtrusion( const PolyLine& PL, const Vector3d& vtExtr) override ;
       bool CreateByPointCurve( const Point3d& ptP, const PolyLine& PL) override ;
       bool CreateByTwoCurves( const PolyLine& PL1, const PolyLine& PL2, int nRuledType) override ;