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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 .
*/
#pragma once
#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
{
// For now, have up to 256 layers
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)
{
const sal_Int16 nId = a.get();
if (nId >= 0 && nId < 256)
aData[nId / 8] |= 1 << (nId % 8);
}
void Clear(SdrLayerID a)
{
const sal_Int16 nId = a.get();
if (nId >= 0 && nId < 256)
aData[nId / 8] &= ~(1 << (nId % 8));
}
void Set(SdrLayerID a, bool b)
{
if(b)
Set(a);
else
Clear(a);
}
bool IsSet(SdrLayerID a) const
{
const sal_Int16 nId = a.get();
return nId >= 0 && nId < 256 && (aData[nId / 8] & 1 << nId % 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);
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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