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+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SVX_SVDSOB_HXX
+#define INCLUDED_SVX_SVDSOB_HXX
+
+#include <com/sun/star/uno/Any.hxx>
+
+#include <svx/svxdllapi.h>
+#include <svx/svdtypes.hxx>
+
+
+/*
+ Stores a bitfield of the layer values that have been set.
+*/
+
+class SVXCORE_DLLPUBLIC SdrLayerIDSet final
+{
+ sal_uInt8 aData[32];
+
+public:
+ explicit SdrLayerIDSet(bool bInitVal = false)
+ {
+ memset(aData, bInitVal ? 0xFF : 0x00, sizeof(aData));
+ }
+
+ bool operator!=(const SdrLayerIDSet& rCmpSet) const
+ {
+ return (memcmp(aData, rCmpSet.aData, sizeof(aData))!=0);
+ }
+
+ void Set(SdrLayerID a)
+ {
+ aData[sal_uInt8(a)/8] |= 1 << (sal_uInt8(a) % 8);
+ }
+
+ void Clear(SdrLayerID a)
+ {
+ aData[sal_uInt8(a)/8] &= ~(1 << (sal_uInt8(a) % 8));
+ }
+
+ void Set(SdrLayerID a, bool b)
+ {
+ if(b)
+ Set(a);
+ else
+ Clear(a);
+ }
+
+ bool IsSet(SdrLayerID a) const
+ {
+ return (aData[sal_uInt8(a)/8] & 1<<sal_uInt8(a)%8) != 0;
+ }
+
+ void SetAll()
+ {
+ memset(aData, 0xFF, sizeof(aData));
+ }
+
+ void ClearAll()
+ {
+ memset(aData, 0x00, sizeof(aData));
+ }
+
+ bool IsEmpty() const;
+
+ void operator&=(const SdrLayerIDSet& r2ndSet);
+
+ // initialize this set with a UNO sequence of sal_Int8 (e.g. as stored in settings.xml)
+ void PutValue(const css::uno::Any & rAny);
+
+};
+
+#endif // INCLUDED_SVX_SVDSOB_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */