From bdee154c9619aa11e51026e8feb0426265a75f32 Mon Sep 17 00:00:00 2001
From: Artur Wieczorek <artwik@wp.pl>
Date: Sun, 17 Nov 2019 22:17:27 +0100
Subject: [PATCH] Fix build with wxUSE_CAIRO==1 under wxMSW/wxOSX

'bmpSource' is declared later but we can check
original bitmap 'bmp' for 'alpha flag' instead
because 'bmpSource' is just a non-const copy
of 'bmp'.
---
 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 4bbca0ae54..a1c41da412 100644
--- a/src/generic/graphicc.cpp
+++ b/src/generic/graphicc.cpp
@@ -1493,7 +1493,7 @@ wxCairoBitmapData::wxCairoBitmapData( wxGraphicsRenderer* renderer, const wxBitm
 
 #if defined(__WXMSW__) || defined(__WXOSX__)
     // Under MSW and OSX we can have 32 bpp xRGB bitmaps (without alpha).
-    const bool hasAlpha = bmpSource.HasAlpha();
+    const bool hasAlpha = bmp.HasAlpha();
 #endif
 
     cairo_format_t bufferFormat =