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qsdrvqt.h

/***************************************************************************
                               qsdrvqt.h
                             -------------------                                         
    begin                : 01-January-2000
    copyright            : (C) 2000 by Kamil Dobkowski                         
    email                : kamildobk@poczta.onet.pl                                     
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 QSDRVQT_H
#define QSDRVQT_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include"qsdrv.h"
#include<math.h>
#include<qpainter.h>

class QImage;

//-------------------------------------------------------------//

class QSDrvQt : public QSDrv
 {
  public:
    QSDrvQt();
    virtual ~QSDrvQt();
    virtual QSDrvQt *copy();
    static QPainter *copyPainter( const QPainter *painter );
    void copySettingsFrom( const QSDrvQt *drv );
    virtual void setDC( QPainter *p, double dpi = 72.0, bool deletePainter = false );
    QPainter *painter() const { return m_paint; }
    bool deletePainter() const { return m_delete_painter; }

    void startDrawing();
    void stopDrawing();

    void clearCanvas( const QSGFill& f, const QSPt2f& pos, const QSPt2f& size );
    void drawLine( const QSPt2f &one, const QSPt2f &two );
    void beginPolyline( const QSPt2f& pos );
    void drawPolylineTo( const QSPt2f& pos );
    void endPolyline(); 
    QSPt2f currPolylinePos() { return m_curr_polyline_pos; }
    void drawRect( const QSPt2f &p1, const QSPt2f &p2 );
    void drawPoly( const QSPt2f pts[], int npoints, const bool edges[] = NULL, int edgeAutoColor = 0 );
    void drawEllipse( const QSPt2f& p1, const QSPt2f& p2  );
    void drawText( const QSPt2f &pos, const QString& text, int align = AlignLeft | AlignBottom );
    QSPt2f textSize( const QString& text );
    void drawRText( const QSPt2f &pos, int angle, const QString& text, int align = AlignLeft | AlignBottom );
    void getRTextBoundingPoly(  QSPt2f outPts[4], const QSPt2f &pos, int angle, const QString& text, int align = AlignLeft | AlignBottom );
    void getPixmapBuffer( PixmapBuffer *buff, int pwidth, int pheight );
    void drawPixmap( const QSPt2f& pos, PixmapBuffer *data );
    void setFill( const QSGFill &f );
    void setFont( const QSGFont &f );
    void setLine( const QSGLine &l );
    QSGFont currentFont();
    QSGFill currentFill();
    QSGLine currentLine();
    static QSGFont toQSGFont( const QFont &f, const QColor &c, double dpi = 72.0 );
    static QFont toQFont( const QSGFont &f, double dpi = 72.0 );
    static QSGColor toQSGColor( const QColor &c );
    static QColor toQColor( const QSGColor &c );
    static QSGFill toQSGFill( const QBrush &b );
    static QBrush toQBrush( const QSGFill &f );
    static QSGLine toQSGLine( const QPen &p );
    static QPen toQPen( const QSGLine &p );

    protected:
    QPainter    *m_paint;
    QPointArray m_vert_array;
    QPointArray m_edge_array;
    QImage      *m_pixmap;
    QSGLine     m_line;
    QSGFill     m_cfill;
    QSGFont     m_curr_font;
    bool        m_delete_painter;
        QPen        m_curr_pen;

    QSPt2f m_curr_polyline_pos;
    int m_curr_polyline_style;
    double m_curr_polyline_t;
    double m_curr_polyline_pattern_length;
    double m_curr_polyline_pattern[6];
    static const int defpatterns[4][6];
    QPoint align_rect( const QRect& r, int align );
    inline int toInt( double value ) { return int(value+0.5); }
    void set_auto_pen( int autoColor );
 };


#endif

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