From 1d45886c8f0b0568b63c2704d807e57cd3696859 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Fri, 6 Dec 2019 20:44:18 +0100
Subject: [PATCH] Don't attempt to get RGB components of invalid colour

---
 src/generic/graphicc.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/generic/graphicc.cpp b/src/generic/graphicc.cpp
index 13a5cbf0e9..9a7ec737db 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -641,7 +641,7 @@ wxCairoPenBrushBaseData::wxCairoPenBrushBaseData(wxGraphicsRenderer* renderer,
     m_pattern = NULL;
     m_bmpdata = NULL;
 
-    if ( isTransparent )
+    if ( isTransparent || !col.IsOk() )
     {
         m_red =
         m_green =