From f1f7d5ca4bd934a8068b5120dc28983ecf64cd94 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Sat, 15 Dec 2007 18:40:15 +0000
Subject: [PATCH] fixed another invalid cast
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50730 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
src/gtk1/dcclient.cpp | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 498f19623a..7046368d6c 100644
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -1143,8 +1143,11 @@ bool wxWindowDCImpl::DoBlit( wxCoord xdest, wxCoord ydest,
xsrc = source->LogicalToDeviceX(xsrc);
ysrc = source->LogicalToDeviceY(ysrc);
- wxClientDCImpl *srcDC = (wxClientDCImpl*)source->GetImpl();
- wxMemoryDCImpl *memDC = (wxMemoryDCImpl*)source;
+ wxWindowDCImpl *srcDC = wxDynamicCast(source->GetImpl(), wxWindowDCImpl);
+ wxCHECK_MSG( srcDC, false, "source must be a window DC" );
+
+ // FIXME: this cast is not always valid, see the code using m_isMemDC
+ wxMemoryDCImpl *memDC = wx_static_cast(wxMemoryDCImpl *, srcDC);
bool use_bitmap_method = false;
bool is_mono = false;
--
2.47.2