svx/source/sdr/properties/itemsettools.cxx

   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 #include <svx/sdr/properties/itemsettools.hxx>
  21 #include <tools/debug.hxx>
  22 #include <svl/itemset.hxx>
  23 #include <svl/whiter.hxx>
  24
  25 #include <vector>
  26 #include <svx/svdogrp.hxx>
  27 #include <svx/svditer.hxx>
  28
  29 //////////////////////////////////////////////////////////////////////////////
  30 // class to remember broadcast start positions
  31
  32 namespace sdr
  33 {
  34     namespace properties
  35     {
  36         // helper vector to remember rectangles
  37         typedef ::std::vector< Rectangle > RectangleVector;
  38
  39         ItemChangeBroadcaster::ItemChangeBroadcaster(const SdrObject& rObj)
  40         {
  41             if(rObj.ISA(SdrObjGroup))
  42             {
  43                 SdrObjListIter aIter((const SdrObjGroup&)rObj, IM_DEEPNOGROUPS);
  44                 mpData = new RectangleVector;
  45                 DBG_ASSERT(mpData, "ItemChangeBroadcaster: No memory (!)");
  46                 ((RectangleVector*)mpData)->reserve(aIter.Count());
  47
  48                 while(aIter.IsMore())
  49                 {
  50                     SdrObject* pObj = aIter.Next();
  51
  52                     if(pObj)
  53                     {
  54                         ((RectangleVector*)mpData)->push_back(pObj->GetLastBoundRect());
  55                     }
  56                 }
  57
  58                 mnCount = ((RectangleVector*)mpData)->size();
  59             }
  60             else
  61             {
  62                 mpData = new Rectangle(rObj.GetLastBoundRect());
  63                 mnCount = 1L;
  64             }
  65         }
  66
  67         ItemChangeBroadcaster::~ItemChangeBroadcaster()
  68         {
  69             if(mnCount > 1)
  70             {
  71                 delete ((RectangleVector*)mpData);
  72             }
  73             else
  74             {
  75                 delete ((Rectangle*)mpData);
  76             }
  77         }
  78
  79         sal_uInt32 ItemChangeBroadcaster::GetRectangleCount() const
  80         {
  81             return mnCount;
  82         }
  83
  84         const Rectangle& ItemChangeBroadcaster::GetRectangle(sal_uInt32 nIndex) const
  85         {
  86             if(mnCount > 1)
  87             {
  88                 return (*((RectangleVector*)mpData))[nIndex];
  89             }
  90             else
  91             {
  92                 return *((Rectangle*)mpData);
  93             }
  94         }
  95     } // end of namespace properties
  96 } // end of namespace sdr
  97
  98 //////////////////////////////////////////////////////////////////////////////
  99
 100 namespace sdr
 101 {
 102     namespace properties
 103     {
 104         void ScaleItemSet(SfxItemSet& rSet, const Fraction& rScale)
 105         {
 106             sal_Int32 nMul(rScale.GetNumerator());
 107             sal_Int32 nDiv(rScale.GetDenominator());
 108
 109             if(!rScale.IsValid() || !nDiv)
 110             {
 111                 return;
 112             }
 113
 114             SfxWhichIter aIter(rSet);
 115             sal_uInt16 nWhich(aIter.FirstWhich());
 116             const SfxPoolItem *pItem = NULL;
 117
 118             while(nWhich)
 119             {
 120                 if(SFX_ITEM_SET == rSet.GetItemState(nWhich, sal_False, &pItem))
 121                 {
 122                     if(pItem->HasMetrics())
 123                     {
 124                         SfxPoolItem* pNewItem = pItem->Clone();
 125                         pNewItem->ScaleMetrics(nMul, nDiv);
 126                         rSet.Put(*pNewItem);
 127                     }
 128                 }
 129                 nWhich = aIter.NextWhich();
 130             }
 131         }
 132     } // end of namespace properties
 133 } // end of namespace sdr
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */