chart2/source/controller/drawinglayer/ViewElementListProvider.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 <memory>
  21 #include <ViewElementListProvider.hxx>
  22 #include <chartview/DrawModelWrapper.hxx>
  23 #include <chartview/DataPointSymbolSupplier.hxx>
  24 #include <DrawViewWrapper.hxx>
  25
  26 #include <com/sun/star/drawing/Direction3D.hpp>
  27 #include <o3tl/safeint.hxx>
  28 #include <svx/xtable.hxx>
  29 #include <svl/itempool.hxx>
  30 #include <svtools/ctrltool.hxx>
  31 #include <vcl/svapp.hxx>
  32 #include <svx/svdobj.hxx>
  33 #include <vcl/virdev.hxx>
  34 #include <svx/svdview.hxx>
  35 #include <svx/svdpage.hxx>
  36 #include <comphelper/diagnose_ex.hxx>
  37
  38 namespace chart
  39 {
  40 using namespace ::com::sun::star;
  41
  42 ViewElementListProvider::ViewElementListProvider( DrawModelWrapper* pDrawModelWrapper )
  43                         : m_pDrawModelWrapper( pDrawModelWrapper )
  44 {
  45 }
  46
  47 ViewElementListProvider::ViewElementListProvider(ViewElementListProvider&& rOther) noexcept
  48 {
  49     m_pDrawModelWrapper = rOther.m_pDrawModelWrapper;
  50     m_pFontList = std::move(rOther.m_pFontList);
  51 }
  52
  53 ViewElementListProvider::~ViewElementListProvider()
  54 {
  55 }
  56
  57 XColorListRef   ViewElementListProvider::GetColorTable() const
  58 {
  59     if(m_pDrawModelWrapper)
  60         return m_pDrawModelWrapper->GetColorList();
  61     return XColorListRef();
  62 }
  63
  64 XDashListRef     ViewElementListProvider::GetDashList() const
  65 {
  66     if(m_pDrawModelWrapper)
  67         return m_pDrawModelWrapper->GetDashList();
  68     return XDashListRef();
  69 }
  70
  71 XLineEndListRef  ViewElementListProvider::GetLineEndList() const
  72 {
  73     if(m_pDrawModelWrapper)
  74         return m_pDrawModelWrapper->GetLineEndList();
  75     return XLineEndListRef();
  76 }
  77
  78 XGradientListRef ViewElementListProvider::GetGradientList() const
  79 {
  80     if(m_pDrawModelWrapper)
  81         return m_pDrawModelWrapper->GetGradientList();
  82     return XGradientListRef();
  83 }
  84 XHatchListRef    ViewElementListProvider::GetHatchList() const
  85 {
  86     if(m_pDrawModelWrapper)
  87         return m_pDrawModelWrapper->GetHatchList();
  88     return nullptr;
  89 }
  90
  91 XBitmapListRef   ViewElementListProvider::GetBitmapList() const
  92 {
  93     if(m_pDrawModelWrapper)
  94         return m_pDrawModelWrapper->GetBitmapList();
  95     return XBitmapListRef();
  96 }
  97
  98 XPatternListRef   ViewElementListProvider::GetPatternList() const
  99 {
 100     if(m_pDrawModelWrapper)
 101         return m_pDrawModelWrapper->GetPatternList();
 102     return XPatternListRef();
 103 }
 104
 105 //create chartspecific symbols for linecharts
 106 SdrObjList* ViewElementListProvider::GetSymbolList() const
 107 {
 108     SdrObjList* pSymbolList = nullptr;
 109     try
 110     {
 111         //@todo use mutex
 112
 113         //get hidden draw page (target):
 114         rtl::Reference<SvxDrawPage> xTarget = m_pDrawModelWrapper->getHiddenDrawPage();
 115
 116         //create symbols via uno and convert to native sdr objects
 117         drawing::Direction3D aSymbolSize(220, 220, 0); // should be 250, but 250 -> 280 ??
 118         rtl::Reference< SvxShapeGroup > xSymbols
 119             = DataPointSymbolSupplier::create2DSymbolList(xTarget, aSymbolSize);
 120
 121         SdrObject* pSdrObject = DrawViewWrapper::getSdrObject(
 122             uno::Reference<drawing::XShape>(static_cast<cppu::OWeakObject*>(xSymbols.get()), uno::UNO_QUERY));
 123         if (pSdrObject)
 124             pSymbolList = pSdrObject->GetSubList();
 125     }
 126     catch( const uno::Exception& )
 127     {
 128         TOOLS_WARN_EXCEPTION("chart2", "" );
 129     }
 130     return pSymbolList;
 131 }
 132
 133 Graphic ViewElementListProvider::GetSymbolGraphic( sal_Int32 nStandardSymbol, const SfxItemSet* pSymbolShapeProperties ) const
 134 {
 135     SdrObjList* pSymbolList = GetSymbolList();
 136     if( !pSymbolList->GetObjCount() )
 137         return Graphic();
 138     if(nStandardSymbol<0)
 139         nStandardSymbol*=-1;
 140     if( o3tl::make_unsigned(nStandardSymbol) >= pSymbolList->GetObjCount() )
 141         nStandardSymbol %= pSymbolList->GetObjCount();
 142     rtl::Reference<SdrObject> pObj = pSymbolList->GetObj(nStandardSymbol);
 143
 144     ScopedVclPtrInstance< VirtualDevice > pVDev;
 145     pVDev->SetMapMode(MapMode(MapUnit::Map100thMM));
 146
 147     std::unique_ptr<SdrModel> pModel(
 148         new SdrModel());
 149
 150     pModel->GetItemPool().FreezeIdRanges();
 151     rtl::Reference<SdrPage> pPage = new SdrPage( *pModel, false );
 152     pPage->SetSize(Size(1000,1000));
 153     pModel->InsertPage( pPage.get(), 0 );
 154     SdrView aView(*pModel, pVDev);
 155     aView.hideMarkHandles();
 156     SdrPageView* pPageView = aView.ShowSdrPage(pPage.get());
 157
 158     // directly clone to target SdrModel
 159     pObj = pObj->CloneSdrObject(*pModel);
 160
 161     pPage->NbcInsertObject(pObj.get());
 162     aView.MarkObj(pObj.get(),pPageView);
 163     if( pSymbolShapeProperties )
 164         pObj->SetMergedItemSet(*pSymbolShapeProperties);
 165
 166     GDIMetaFile aMeta(aView.GetMarkedObjMetaFile());
 167
 168     Graphic aGraph(aMeta);
 169     Size aSize = pObj->GetSnapRect().GetSize();
 170     aGraph.SetPrefSize(aSize);
 171     aGraph.SetPrefMapMode(MapMode(MapUnit::Map100thMM));
 172
 173     aView.UnmarkAll();
 174     pObj=pPage->RemoveObject(0);
 175     // these need to die before the associated SdrModel
 176     pObj.clear();
 177     pPage.clear();
 178
 179     return aGraph;
 180 }
 181
 182 FontList* ViewElementListProvider::getFontList() const
 183 {
 184     //was old chart:
 185     //SvxFontListItem* SfxObjectShell::.GetItem(SID_ATTR_CHAR_FONTLIST)
 186
 187     if(!m_pFontList)
 188     {
 189         OutputDevice* pRefDev    = m_pDrawModelWrapper ? m_pDrawModelWrapper->getReferenceDevice() : nullptr;
 190         OutputDevice* pDefaultOut = Application::GetDefaultDevice();
 191         m_pFontList.reset( new FontList( pRefDev ? pRefDev    : pDefaultOut
 192                                        , pRefDev ? pDefaultOut : nullptr) );
 193     }
 194     return m_pFontList.get();
 195 }
 196 } //namespace chart
 197
 198 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */