unipresent/kpresenter1/UpKpr1Slide.cpp

   1 /***************************************************************************
   2  *   This file is part of KWorship.                                        *
   3  *   Copyright 2008 James Hogan <james@albanarts.com>                      *
   4  *                                                                         *
   5  *   KWorship is free software: you can redistribute it and/or modify      *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation, either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   KWorship is distributed in the hope that it will be useful,           *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with KWorship.  If not, write to the Free Software Foundation,  *
  17  *   Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.   *
  18  ***************************************************************************/
  19
  20 /**
  21  * @file UpKpr1Slide.cpp
  22  * @brief KPresenter 1 presentation slide.
  23  * @author James Hogan <james@albanarts.com>
  24  */
  25
  26 #include "UpKpr1Slide.h"
  27 #include "UpKpr1Presentation.h"
  28
  29 #include <QTemporaryFile>
  30
  31 /*
  32  * Constructors + destructor
  33  */
  34
  35 /// Primary constructor.
  36 UpKpr1Slide::UpKpr1Slide(UpKpr1Presentation* presentation, const UpKpr1SlideDcop& dcop, int index)
  37 : UpSlide(presentation)
  38 , m_presentation(presentation)
  39 , m_dcop(dcop)
  40 , m_index(index)
  41 , m_title()
  42 , m_outline()
  43 , m_preview()
  44 {
  45 }
  46
  47 /// Destructor.
  48 UpKpr1Slide::~UpKpr1Slide()
  49 {
  50 }
  51
  52 /*
  53  * Main interface
  54  */
  55
  56 QString UpKpr1Slide::title()
  57 {
  58   if (m_title.isNull())
  59   {
  60     m_title = m_dcop.title();
  61   }
  62   return m_title;
  63 }
  64
  65 QString UpKpr1Slide::outline()
  66 {
  67   if (m_outline.isNull())
  68   {
  69     m_outline = m_dcop.textObjectsContents().join("\n");
  70   }
  71   return m_outline;
  72 }
  73
  74 QPixmap UpKpr1Slide::preview()
  75 {
  76   if (m_preview.isNull())
  77   {
  78     UpKpr1ViewDcop view = m_presentation->dcopView();
  79     QTemporaryFile previewFile;
  80     previewFile.open();
  81
  82     bool error;
  83     QString page;
  84     page.setNum(m_index+1);
  85     view.eval(&error, QStringList() << "exportPage(int,int,int,QString,QString,int,int)"
  86                                     << page                      // Page number
  87                                     << "1024"                    // Width
  88                                     << "768"                     // Height
  89                                     << previewFile.fileName()    // Filename
  90                                     << "PPM"                     // Format
  91                                     << "50"                      // Quality
  92                                     << "0"                       // Verbose
  93                                     );
  94
  95     if (!error)
  96     {
  97       m_preview.load(previewFile.fileName());
  98       m_preview = m_preview.scaledToHeight(125, Qt::SmoothTransformation);
  99     }
 100   }
 101   return m_preview;
 102 }
 103
 104 #include "UpKpr1Slide.moc"
 105