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