From aa4d51d57945cefac0d1b33324f9a2d82795fe43 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 9 Dec 2017 16:31:28 +0100
Subject: [PATCH] Fix font creation using font flags in Cairo wxGraphicsContext

Don't crash trying to use an uninitialized font in
GetPartialTextExtents() later if the font was created using
CreateFont(sizeInPixels, facename, flags) overload.

Closes #18021.
---
 src/generic/graphicc.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 69c407acd3..bb30529579 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -1013,6 +1013,10 @@ wxCairoFontData::wxCairoFontData(wxGraphicsRenderer* renderer,
                                  int flags,
                                  const wxColour& col) :
     wxGraphicsObjectRefData(renderer)
+#ifdef __WXGTK__
+    , m_wxfont(wxFontInfo(wxSize(sizeInPixels, sizeInPixels))
+                .AllFlags(flags).FaceName(facename))
+#endif
 {
     InitColour(col);