okular/generators/dvi/generator_dvi.h

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Luigi Toscano <luigi.toscano@tiscali.it>        *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  ***************************************************************************/
   9
  10 #ifndef _DVI_GENERATOR_H_
  11 #define _DVI_GENERATOR_H_
  12
  13 #include <okular/core/generator.h>
  14
  15 class dviRenderer;
  16 class dviPageInfo;
  17 class Anchor;
  18
  19 namespace Okular {
  20 class DocumentViewport;
  21 class ObjectRect;
  22 }
  23
  24 class DviGenerator : public Okular::Generator
  25 {
  26     Q_OBJECT
  27     public:
  28         DviGenerator( QObject *parent, const QVariantList &args );
  29         bool loadDocument( const QString & fileName, QVector< Okular::Page * > & pagesVector );
  30
  31         bool canGeneratePixmap() const;
  32         void generatePixmap( Okular::PixmapRequest * request );
  33
  34         // document information
  35         const Okular::DocumentInfo *generateDocumentInfo();
  36
  37         // table of contents
  38         const Okular::DocumentSynopsis *generateDocumentSynopsis();
  39
  40         bool print( QPrinter &printer );
  41
  42     protected:
  43         bool doCloseDocument();
  44         Okular::TextPage* textPage( Okular::Page *page );
  45
  46    private:
  47         double m_resolution;
  48
  49         Okular::DocumentInfo *m_docInfo;
  50         Okular::DocumentSynopsis *m_docSynopsis;
  51
  52         bool ready;
  53         dviRenderer *m_dviRenderer;
  54
  55         void loadPages( QVector< Okular::Page * > & pagesVector );
  56         Okular::TextPage *extractTextFromPage( dviPageInfo *pageInfo );
  57         void fillViewportFromAnchor( Okular::DocumentViewport &vp, const Anchor &anch,
  58                                      int pW, int pH );
  59         QLinkedList<Okular::ObjectRect*> generateDviLinks( const dviPageInfo *pageInfo );
  60 };
  61
  62 #endif