1 files changed, 49 insertions, 0 deletions
diff --git a/canvas/source/vcl/windowoutdevholder.cxx b/canvas/source/vcl/windowoutdevholder.cxx
new file mode 100644
index 0000000000..4776ee5548
--- /dev/null
+++ b/canvas/source/vcl/windowoutdevholder.cxx
@@ -0,0 +1,49 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <toolkit/helper/vclunohelper.hxx>
+
+#include "windowoutdevholder.hxx"
+
+using namespace ::com::sun::star;
+
+namespace vclcanvas
+{
+    namespace
+    {
+        vcl::Window& windowFromXWin( const uno::Reference<awt::XWindow>& xWin )
+        {
+            VclPtr<vcl::Window> pWindow = VCLUnoHelper::GetWindow(xWin);
+            if( !pWindow )
+                throw lang::NoSupportException(
+                    "Parent window not VCL window, or canvas out-of-process!",
+                    nullptr);
+            return *pWindow;
+        }
+    }
+
+    WindowOutDevHolder::WindowOutDevHolder( const uno::Reference<awt::XWindow>& xWin ) :
+        mrOutputWindow( windowFromXWin(xWin) )
+    {}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */