Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/vcl/unx/generic/gdi/xrender_peer.cxx b/vcl/unx/generic/gdi/xrender_peer.cxx
new file mode 100644
index 000000000..961f4cd3a
--- /dev/null
+++ b/vcl/unx/generic/gdi/xrender_peer.cxx
@@ -0,0 +1,48 @@
+/* -*- 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 <unx/saldisp.hxx>
+
+#include <unx/x11/xrender_peer.hxx>
+
+XRenderPeer::XRenderPeer()
+    : mpDisplay( vcl_sal::getSalDisplay(GetGenericUnixSalData())->GetDisplay() )
+    , mpStandardFormatA8( nullptr )
+{
+    InitRenderLib();
+}
+
+XRenderPeer& XRenderPeer::GetInstance()
+{
+    static XRenderPeer aPeer;
+    return aPeer;
+}
+
+void XRenderPeer::InitRenderLib()
+{
+    int nDummy;
+    // needed to initialize libXrender internals
+    XRenderQueryExtension( mpDisplay, &nDummy, &nDummy );
+
+    // the 8bit alpha mask format must be there
+    XRenderPictFormat aPictFormat={0,0,8,{0,0,0,0,0,0,0,0xFF},0};
+    mpStandardFormatA8 = XRenderFindFormat( mpDisplay, PictFormatAlphaMask|PictFormatDepth, &aPictFormat, 0 );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */