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91 lines
3.4 KiB
91 lines
3.4 KiB
/***************************************************************************
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* Copyright (C) 2003-2004 by Christophe Devriese *
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* <Christophe.Devriese@student.kuleuven.ac.be> *
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* Copyright (C) 2003 by Helio Chissini de Castro *
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* <helio@conectiva.com.br> *
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* Copyright (C) 2004 by Dominique Devriese <devriese@kde.org> *
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* Copyright (C) 2004 by Albert Astals Cid <tsdgeos@terra.es> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#ifndef KPDFOUTPUTDEV_H
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#define KPDFOUTPUTDEV_H
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#ifdef __GNUC__
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#pragma interface
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#endif
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#include <tqvaluelist.h>
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#include "xpdf/PDFDoc.h" // for 'Object'
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#include "xpdf/SplashOutputDev.h"
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class TQPixmap;
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class KPDFLink;
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class ObjectRect;
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class DocumentViewport;
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/**
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* @short A SplashOutputDev renderer that grabs text and links.
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*
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* This output device:
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* - renders the page using SplashOutputDev (its parent)
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* - harvests text into a textPage (for searching text)
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* - harvests links and collects them
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* - collects images and collects them
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*/
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class KPDFOutputDev : public SplashOutputDev
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{
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public:
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KPDFOutputDev( SplashColor paperColor );
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virtual ~KPDFOutputDev();
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// initialize device -> attach device to PDFDoc
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void initDevice( class PDFDoc * pdfDoc );
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// set parameters before rendering *each* page
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// @param qtThreadSafety: duplicate memory buffer (slow but safe)
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void setParams( int pixmapWidth, int pixmapHeight,
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bool decodeLinks, bool decodeImages, bool qtThreadSafety = false );
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// takes pointers out of the class (so deletion it's up to others)
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TQPixmap * takePixmap();
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TQImage * takeImage();
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TQValueList< ObjectRect * > takeObjectRects();
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/** inherited from OutputDev */
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// End a page.
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virtual void endPage();
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//----- link borders
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virtual void processLink(Link *link, Catalog *catalog);
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//----- image drawing
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virtual void drawImage(GfxState *state, Object *ref, Stream *str, int width, int height,
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GfxImageColorMap *colorMap, int *maskColors, GBool inlineImg);
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private:
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// delete all interal objects and data
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void clear();
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// generate a valid KPDFLink subclass (or null) from a xpdf's LinkAction
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KPDFLink * generateLink( LinkAction * a );
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// fills up a Viewport structure out of a given LinkGoto link
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DocumentViewport decodeViewport( GString *, class LinkDest * );
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// generator switches and parameters
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bool m_qtThreadSafety;
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bool m_generateLinks;
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bool m_generateImages;
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int m_pixmapWidth;
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int m_pixmapHeight;
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// Internal objects
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PDFDoc * m_doc;
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TQPixmap * m_pixmap;
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TQImage * m_image;
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TQValueList< ObjectRect * > m_rects; // objectRects (links/images)
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};
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#endif
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