sd/source/ui/slidesorter/cache/SlsBitmapFactory.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 "SlsBitmapFactory.hxx"
  21
  22 #include <PreviewRenderer.hxx>
  23 #include <view/SlideSorterView.hxx>
  24 #include <sdpage.hxx>
  25 #include <Window.hxx>
  26 #include <drawdoc.hxx>
  27 #include <DrawDocShell.hxx>
  28 #include <svx/svdtypes.hxx>
  29 #include <svx/svdpage.hxx>
  30 #include <vcl/bitmapex.hxx>
  31 #include <vcl/bitmapaccess.hxx>
  32
  33 namespace sd { namespace slidesorter { namespace view {
  34 class SlideSorterView;
  35 class PageObjectViewObjectContact;
  36 } } }
  37
  38 namespace sd { namespace slidesorter { namespace cache {
  39
  40 BitmapFactory::BitmapFactory()
  41     : maRenderer(false)
  42 {
  43 }
  44
  45 BitmapFactory::~BitmapFactory()
  46 {
  47 }
  48
  49 BitmapEx BitmapFactory::CreateBitmap (
  50     const SdPage& rPage,
  51     const Size& rPixelSize,
  52     const bool bDoSuperSampling)
  53 {
  54     Size aSize (rPixelSize);
  55     if (bDoSuperSampling)
  56     {
  57         // Supersampling factor
  58         int aSuperSamplingFactor = 2;
  59         aSize.setWidth( aSize.Width() * aSuperSamplingFactor );
  60         aSize.setHeight( aSize.Height() * aSuperSamplingFactor );
  61     }
  62
  63     BitmapEx aPreview (maRenderer.RenderPage (
  64         &rPage,
  65         aSize,
  66         true,
  67         false).GetBitmapEx());
  68     if (bDoSuperSampling)
  69     {
  70         aPreview.Scale(rPixelSize, BmpScaleFlag::BestQuality);
  71     }
  72
  73     return aPreview;
  74 }
  75
  76 } } } // end of namespace ::sd::slidesorter::cache
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */