From aa630b33b71e056ccb0868237531f949885713a8 Mon Sep 17 00:00:00 2001
From: sshutina <svetlana.shutina@opencascade.com>
Date: Thu, 27 Feb 2025 11:38:09 +0000
Subject: [PATCH] Visualization - Add flag for font mgr to avoid error message
 (#392)

---
 src/Font/Font_FontMgr.cxx | 5 +++--
 src/Font/Font_FontMgr.hxx | 8 ++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Font/Font_FontMgr.cxx b/src/Font/Font_FontMgr.cxx
index 10c1ce08f5..6c85d313f4 100644
--- a/src/Font/Font_FontMgr.cxx
+++ b/src/Font/Font_FontMgr.cxx
@@ -436,7 +436,8 @@ void Font_FontMgr::addFontAlias(const TCollection_AsciiString&        theAliasNa
 //=================================================================================================
 
 Font_FontMgr::Font_FontMgr()
-    : myToTraceAliases(Standard_False)
+    : myToTraceAliases(Standard_False),
+      myToPrintErrors(Standard_True)
 {
   Handle(Font_FontAliasSequence) aMono   = new Font_FontAliasSequence();
   Handle(Font_FontAliasSequence) aSerif  = new Font_FontAliasSequence();
@@ -1090,7 +1091,7 @@ Handle(Font_SystemFont) Font_FontMgr::FindFont(const TCollection_AsciiString& th
   }
   if (aFont.IsNull())
   {
-    if (theDoFailMsg)
+    if (theDoFailMsg && myToPrintErrors)
     {
       Message::SendFail("Font_FontMgr, error: unable to find any font!");
     }
diff --git a/src/Font/Font_FontMgr.hxx b/src/Font/Font_FontMgr.hxx
index 8e0d4b30a5..9b7ec985fe 100644
--- a/src/Font/Font_FontMgr.hxx
+++ b/src/Font/Font_FontMgr.hxx
@@ -164,6 +164,13 @@ public:
   //! Can be disabled to avoid redundant messages with Message_Trace level.
   void SetTraceAliases(Standard_Boolean theToTrace) { myToTraceAliases = theToTrace; }
 
+  //! Return flag for printing error messages via Message_Fail messages; TRUE by default.
+  Standard_Boolean ToPrintErrors() const { return myToPrintErrors; }
+
+  //! Set flag for printing error messages.
+  //! Can be disabled to avoid error messages with Message_Fail level.
+  void SetPrintErrors(Standard_Boolean theToPrintErrors) { myToPrintErrors = theToPrintErrors; }
+
   //! Return font names with defined aliases.
   //! @param[out] theAliases  alias names
   Standard_EXPORT void GetAllAliases(TColStd_SequenceOfHAsciiString& theAliases) const;
@@ -278,6 +285,7 @@ private:
   NCollection_DataMap<TCollection_AsciiString, Handle(Font_FontAliasSequence)> myFontAliases;
   Handle(Font_FontAliasSequence)                                               myFallbackAlias;
   Standard_Boolean                                                             myToTraceAliases;
+  Standard_Boolean                                                             myToPrintErrors;
 };
 
 #endif // _Font_FontMgr_HeaderFile