From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 11:06:44 +0200
Subject: Adding upstream version 4:7.4.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 canvas/source/vcl/backbuffer.cxx | 59 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 canvas/source/vcl/backbuffer.cxx

(limited to 'canvas/source/vcl/backbuffer.cxx')

diff --git a/canvas/source/vcl/backbuffer.cxx b/canvas/source/vcl/backbuffer.cxx
new file mode 100644
index 000000000..684a02c8b
--- /dev/null
+++ b/canvas/source/vcl/backbuffer.cxx
@@ -0,0 +1,59 @@
+/* -*- 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 <vcl/svapp.hxx>
+
+#include "backbuffer.hxx"
+#include "impltools.hxx"
+
+
+namespace vclcanvas
+{
+    BackBuffer::BackBuffer( const OutputDevice& rRefDevice ) :
+        maVDev( VclPtr<VirtualDevice>::Create( rRefDevice, DeviceFormat::DEFAULT ) )
+    {
+        tools::SetDefaultDeviceAntiAliasing( maVDev );
+    }
+
+    BackBuffer::~BackBuffer()
+    {
+        SolarMutexGuard aGuard;
+        maVDev.disposeAndClear();
+    }
+
+    OutputDevice& BackBuffer::getOutDev()
+    {
+        return *maVDev;
+    }
+
+    const OutputDevice& BackBuffer::getOutDev() const
+    {
+        return *maVDev;
+    }
+
+    void BackBuffer::setSize( const ::Size& rNewSize )
+    {
+        maVDev->SetOutputSizePixel( rNewSize );
+    }
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
-- 
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