From 11618cc6472d9fb384006a53050a8ec08959b3ea Mon Sep 17 00:00:00 2001
From: Jean-Paul Chaput <Jean-Paul.Chaput@lip6.fr>
Date: Fri, 8 Sep 2023 22:01:33 +0200
Subject: [PATCH] Fix managment of layer 0 as bounding box in GdsParser.

* Bug: In GdsParser::readStructure(), the Gds::Layer_0_IsBoundary flag
    was not taken into account. The abutment box was always forced to
    the bounding box, resulting in incorrect cell size (and placement).
---
 crlcore/src/ccore/gds/GdsParser.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/crlcore/src/ccore/gds/GdsParser.cpp b/crlcore/src/ccore/gds/GdsParser.cpp
index df43bf38..b7c8a95d 100644
--- a/crlcore/src/ccore/gds/GdsParser.cpp
+++ b/crlcore/src/ccore/gds/GdsParser.cpp
@@ -963,9 +963,11 @@ namespace {
 
     if (_validSyntax) _stream >> _record;
 
-    UpdateSession::close();
-    _cell->setAbutmentBox( _cell->getBoundingBox() );
-    UpdateSession::open();
+    if (not useLayer0AsBoundary()) {
+      UpdateSession::close();
+      _cell->setAbutmentBox( _cell->getBoundingBox() );
+      UpdateSession::open();
+    }
     _cell = NULL;
     cdebug_log(101,-1) << "    GdsStream::readStructure() - return:" << _validSyntax << endl;