include/svx/svdsob.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SVX_SVDSOB_HXX
  21 #define INCLUDED_SVX_SVDSOB_HXX
  22
  23 #include <com/sun/star/uno/Any.hxx>
  24
  25 #include <svx/svxdllapi.h>
  26 #include <svx/svdtypes.hxx>
  27
  28
  29 /*
  30  Stores a bitfield of the layer values that have been set.
  31 */
  32
  33 class SVX_DLLPUBLIC SdrLayerIDSet final
  34 {
  35     sal_uInt8 aData[32];
  36
  37 public:
  38     explicit SdrLayerIDSet(bool bInitVal = false)
  39     {
  40         memset(aData, bInitVal ? 0xFF : 0x00, sizeof(aData));
  41     }
  42
  43     bool operator!=(const SdrLayerIDSet& rCmpSet) const
  44     {
  45         return (memcmp(aData, rCmpSet.aData, sizeof(aData))!=0);
  46     }
  47
  48     void Set(SdrLayerID a)
  49     {
  50         aData[sal_uInt8(a)/8] |= 1 << (sal_uInt8(a) % 8);
  51     }
  52
  53     void Clear(SdrLayerID a)
  54     {
  55         aData[sal_uInt8(a)/8] &= ~(1 << (sal_uInt8(a) % 8));
  56     }
  57
  58     void Set(SdrLayerID a, bool b)
  59     {
  60         if(b)
  61             Set(a);
  62         else
  63             Clear(a);
  64     }
  65
  66     bool IsSet(SdrLayerID a) const
  67     {
  68         return (aData[sal_uInt8(a)/8] & 1<<sal_uInt8(a)%8) != 0;
  69     }
  70
  71     void SetAll()
  72     {
  73         memset(aData, 0xFF, sizeof(aData));
  74     }
  75
  76     void ClearAll()
  77     {
  78         memset(aData, 0x00, sizeof(aData));
  79     }
  80
  81     bool IsEmpty() const;
  82
  83     void operator&=(const SdrLayerIDSet& r2ndSet);
  84
  85     // initialize this set with a UNO sequence of sal_Int8 (e.g. as stored in settings.xml)
  86     void PutValue(const css::uno::Any & rAny);
  87
  88 };
  89
  90 #endif // INCLUDED_SVX_SVDSOB_HXX
  91
  92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */