sd/source/filter/pdf/sdpdffilter.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 <sfx2/docfile.hxx>
  21 #include <svx/svdograf.hxx>
  22
  23 #include <sdpage.hxx>
  24 #include <drawdoc.hxx>
  25 #include <sdpdffilter.hxx>
  26
  27 #include <vcl/graph.hxx>
  28 #include <vcl/pdfread.hxx>
  29
  30 using namespace ::com::sun::star;
  31 using namespace ::com::sun::star::uno;
  32 using namespace ::com::sun::star::lang;
  33 using namespace ::com::sun::star::beans;
  34 using namespace ::com::sun::star::graphic;
  35 using namespace ::com::sun::star::io;
  36 using namespace ::com::sun::star::ucb;
  37 using namespace ::sfx2;
  38
  39 SdPdfFilter::SdPdfFilter(SfxMedium& rMedium, ::sd::DrawDocShell& rDocShell)
  40     : SdFilter(rMedium, rDocShell)
  41 {
  42 }
  43
  44 SdPdfFilter::~SdPdfFilter() {}
  45
  46 bool SdPdfFilter::Import()
  47 {
  48     //FIXME: Replace with parsing the PDF elements to allow editing.
  49     //FIXME: For now we import as images for simplicity.
  50
  51     const OUString aFileName(
  52         mrMedium.GetURLObject().GetMainURL(INetURLObject::DecodeMechanism::NONE));
  53
  54     // Rendering resolution.
  55     const double dResolutionDPI = 96.;
  56
  57     std::vector<std::pair<Graphic, Size>> aGraphics;
  58     if (vcl::ImportPDFUnloaded(aFileName, aGraphics, dResolutionDPI) == 0)
  59         return false;
  60
  61     // Add as many pages as we need up-front.
  62     mrDocument.CreateFirstPages();
  63     for (size_t i = 0; i < aGraphics.size() - 1; ++i)
  64     {
  65         mrDocument.DuplicatePage(0);
  66     }
  67
  68     for (const std::pair<Graphic, Size>& aPair : aGraphics)
  69     {
  70         const Graphic& rGraphic = aPair.first;
  71         const Size& aSize = aPair.second;
  72
  73         const sal_Int32 nPageNumber = rGraphic.getPageNumber();
  74         assert(nPageNumber >= 0 && static_cast<size_t>(nPageNumber) < aGraphics.size());
  75
  76         // Create the page and insert the Graphic.
  77         SdPage* pPage = mrDocument.GetSdPage(nPageNumber, PageKind::Standard);
  78         Size aGrfSize(OutputDevice::LogicToLogic(aSize, rGraphic.GetPrefMapMode(),
  79                                                  MapMode(MapUnit::Map100thMM)));
  80
  81         // Resize to original size based on 72 dpi to preserve page size.
  82         aGrfSize = Size(aGrfSize.Width() * 72. / dResolutionDPI,
  83                         aGrfSize.Height() * 72. / dResolutionDPI);
  84
  85         // Make the page size match the rendered image.
  86         pPage->SetSize(aGrfSize);
  87         Point aPos(0, 0);
  88
  89         SdrGrafObj* pSdrGrafObj = new SdrGrafObj(pPage->getSdrModelFromSdrPage(), rGraphic,
  90                                                  tools::Rectangle(aPos, aGrfSize));
  91         pPage->InsertObject(pSdrGrafObj);
  92
  93         // we know that the initial bitmap we provided was just a placeholder,
  94         // we need to swap it out, so that on the next swap in, we render the
  95         // correct one
  96         // const_cast<GraphicObject&>(pSdrGrafObj->GetGraphicObject()).SwapOut();
  97     }
  98
  99     return true;
 100 }
 101
 102 bool SdPdfFilter::Export() { return false; }
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */