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/bmpacc.hxx>
  32 #include <vcl/pngwrite.hxx>
  33
  34 namespace sd { namespace slidesorter { namespace view {
  35 class SlideSorterView;
  36 class PageObjectViewObjectContact;
  37 } } }
  38
  39 namespace sd { namespace slidesorter { namespace cache {
  40
  41 BitmapFactory::BitmapFactory()
  42     : maRenderer(NULL, false)
  43 {
  44 }
  45
  46 BitmapFactory::~BitmapFactory()
  47 {
  48 }
  49
  50 Bitmap BitmapFactory::CreateBitmap (
  51     const SdPage& rPage,
  52     const Size& rPixelSize,
  53     const bool bDoSuperSampling)
  54 {
  55     Size aSize (rPixelSize);
  56     if (bDoSuperSampling)
  57     {
  58         // Supersampling factor
  59         int aSuperSamplingFactor = 2;
  60         aSize.Width() *= aSuperSamplingFactor;
  61         aSize.Height() *= aSuperSamplingFactor;
  62     }
  63
  64     Bitmap aPreview (maRenderer.RenderPage (
  65         &rPage,
  66         aSize,
  67         OUString(),
  68         true,
  69         false).GetBitmapEx().GetBitmap());
  70     if (bDoSuperSampling)
  71     {
  72         aPreview.Scale(rPixelSize, BmpScaleFlag::BestQuality);
  73     }
  74
  75     return aPreview;
  76 }
  77
  78 } } } // end of namespace ::sd::slidesorter::cache
  79
  80 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */