fstring.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 FSTRING_H
#define FSTRING_H
 
#include "TextOutputDev.h"
 
#include <tqvaluevector.h>
 
#include "misc.h"
 
 
namespace PDFImport
{
 
class Data;
 
//-----------------------------------------------------------------------------
class Tabulator
{
public:
    enum Alignment { Left = 0, Center, Right, Character };
    enum Filling { Blank = 0, Dots, Line, Dash, DashDot, DashDotDot };
 
    Tabulator() : alignment(Left) {}
 
    TQDomElement createElement(Data &data) const;
 
public:
    double    pos;
    Alignment alignment;
    Filling   filling;
    TQChar     alignmentChar;
};
 
inline bool operator <(const Tabulator &t1, const Tabulator &t2)
{ return t1.pos<t2.pos; }
 
//-----------------------------------------------------------------------------
class Block
{
public:
    Block() : link(0) {}
 
public:
    Font        font;
    const Link *link;
    TQString     text;
};
 
//-----------------------------------------------------------------------------
enum Align { AlignLeft, AlignRight, AlignCenter, AlignBlock };
 
class Paragraph
{
public:
    Paragraph();
    Paragraph(TextLine *first, uint nbLines);
 
    const DRect &rect() const { return _rect; }
 
    bool hasOneLine() const { return _lines.count()==1; }
    const TQValueList<TextLine *> lines() const { return _lines; }
    bool isFirst(const TextLine *line) const { return line==_lines.first();}
    bool isSecond(const TextLine* line) const
        { return (_lines.count()>1 && line==_lines.first()->next); }
    bool isLast(const TextLine *line) const { return line==_lines.last(); }
 
    int findTab(double xMin, const TextLine *) const;
    uint findNbTabs(uint i, double prevXMax) const;
    int charFromEnd(uint dec, uint &blockIndex) const;
 
public:
    ParagraphType type;
    uint          frameIndex;
    double        firstIndent, leftIndent, offset;
    Align         align;
    TQValueVector<Tabulator> tabs;
    TQValueList<Block>       blocks;
 
private:
    TQValueList<TextLine *> _lines;
    DRect                  _rect;
};
 
//-----------------------------------------------------------------------------
class String : public TextString
{
public:
    String(GfxState *state, double x0, double y0,
           double fontSize, uint frameIndex);
 
    uint frameIndex() const { return _frameIndex; }
    const Font &font() const { return _font; }
    DRect rect() const { return DRect(xMin, xMax, yMin, yMax); }
    bool checkCombination(TextString *s);
 
public:
    const Link *link;
 
private:
    void addChar(GfxState *state, double x, double y,
                 double dx, double dy, Unicode u);
 
private:
    Font _font;
    uint _frameIndex;
};
 
} // namespace
 
#endif