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 <sdr/properties/itemsettools.hxx>
  21 #include <tools/fract.hxx>
  22 #include <svl/itemset.hxx>
  23 #include <svl/whiter.hxx>
  24 #include <svx/svdogrp.hxx>
  25 #include <svx/svditer.hxx>
  26 #include <memory>
  27
  28 // class to remember broadcast start positions
  29
  30 namespace sdr::properties
  31 {
  32         ItemChangeBroadcaster::ItemChangeBroadcaster(const SdrObject& rObj)
  33         {
  34             if (rObj.GetObjIdentifier() == SdrObjKind::Group)
  35             {
  36                 const SdrObjGroup* pGroupObj = static_cast<const SdrObjGroup*>(&rObj);
  37                 SdrObjListIter aIter(pGroupObj->GetSubList(), SdrIterMode::DeepNoGroups);
  38                 maRectangles.reserve(aIter.Count());
  39
  40                 while(aIter.IsMore())
  41                 {
  42                     SdrObject* pObj = aIter.Next();
  43
  44                     if(pObj)
  45                     {
  46                         maRectangles.push_back(pObj->GetLastBoundRect());
  47                     }
  48                 }
  49             }
  50             else
  51             {
  52                 maRectangles.push_back(rObj.GetLastBoundRect());
  53             }
  54         }
  55
  56
  57         void ScaleItemSet(SfxItemSet& rSet, const Fraction& rScale)
  58         {
  59             sal_Int32 nMul(rScale.GetNumerator());
  60             sal_Int32 nDiv(rScale.GetDenominator());
  61
  62             if(!rScale.IsValid() || !nDiv)
  63             {
  64                 return;
  65             }
  66
  67             SfxWhichIter aIter(rSet);
  68             sal_uInt16 nWhich(aIter.FirstWhich());
  69             const SfxPoolItem *pItem = nullptr;
  70
  71             while(nWhich)
  72             {
  73                 if(SfxItemState::SET == aIter.GetItemState(false, &pItem))
  74                 {
  75                     if(pItem->HasMetrics())
  76                     {
  77                         std::unique_ptr<SfxPoolItem> pNewItem(pItem->Clone());
  78                         pNewItem->ScaleMetrics(nMul, nDiv);
  79                         rSet.Put(std::move(pNewItem));
  80                     }
  81                 }
  82                 nWhich = aIter.NextWhich();
  83             }
  84         }
  85 } // end of namespace
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */