treat 0xc0c0c0 as transparent colour by default

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24006 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/msw/gdiimage.cpp b/src/msw/gdiimage.cpp
index d5b356119edc320fc299cb15dd016c6efbed35b7..126da04b0195a151e12647a11e25b421909ebfbb 100644 (file)
--- a/src/msw/gdiimage.cpp
+++ b/src/msw/gdiimage.cpp
@@ -356,6 +356,9 @@ bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap,
     bitmap->SetHeight(bm.bmHeight);
     bitmap->SetDepth(bm.bmBitsPixel);
 
+    // use 0xc0c0c0 as transparent colour by default
+    bitmap->SetMask(new wxMask(*bitmap, *wxLIGHT_GREY));
+
     return true;
 }