FilterPage.h

/*
 * Copyright (c) 2002-2003 Nicolas HADACEK (hadacek@kde.org)
 *
 * 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.
 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */
 
#ifndef FILTERPAGE_H
#define FILTERPAGE_H
 
#include "TextOutputDev.h"
 
#include <tqdatetime.h>
#include <tqptrlist.h>
 
#include "fstring.h"
 
 
namespace PDFImport
{
 
class Paragraph;
class Data;
 
class Page : public TextPage
{
public:
    Page(Data &data);
 
    TQValueVector<DRect> &rects() { return _rects; }
    bool hasHeader() const;
    bool hasFooter() const;
 
    void clear();
 
    // first pass
    void beginString(GfxState *, double x0, double y0);
    void addString(TextString *);
    void endString();
    void addLink(Link *link) { _links.append(link); }
    void endPage();
 
    // second pass
    void dump();
 
public:
    TQValueList<TQDomElement> pictures;
 
private:
    FontFamily checkSpecial(TQChar &, const Font &) const;
    static TextBlock *block(TextLine *, int index);
    static bool isLastParagraphLine(TextLine *, const Paragraph &);
 
    // first pass
    void createParagraphs();
    void checkHeader();
    void checkFooter();
 
    // second pass
    void initParagraph(Paragraph &) const;
    void fillParagraph(Paragraph &, double &offset) const;
    void checkSpecialChars(Paragraph &) const;
    void coalesce(Paragraph &) const;
    void prepare();
    void dump(const Paragraph &);
 
private:
    Data &_data;
    TQValueList<Paragraph> _pars;
    TQPtrList<Link> _links;
    String *_lastStr;
    TQTime _time; // debug
    TQValueVector<DRect> _rects;
};
 
} // namespace
 
#endif