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qsgraphicaldata.h

/***************************************************************************
                                   qgraphicaldata.h
                             -------------------
    version              : 0.2
    begin                : 01-January-2001
    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 QSGRAPHICALDATA_H
#define QSGRAPHICALDATA_H

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

#include"qsdata.h"

#define SET_PROPERTY( property, new_value )  if ((property)!=(new_value)) { parametersChanging(); (property)=(new_value); parametersChanged(); }

class QSGraphicalData : public QSData
   {
    Q_OBJECT
    Q_PROPERTY( QString title READ title WRITE setTitle )

    public:
     QSGraphicalData( QObject *parent=0, QSGraphicalData *parentObject=0, const char *name=0 );
     virtual ~QSGraphicalData();
     void setTitle( const QString& title );
     QString title() const { return m_title_str; }
      virtual bool setMatrix( int channel, QSMatrix *m );
      virtual QSMatrix *matrix( int channel ) const;
      virtual void deleteMatrix( int channel );
      virtual QSMatrix *takeMatrix( int channel, QSMatrix *newMatrix );
      int channelCount() const { return m_channels_count; }
      inline double value( int row, int col, int channel ) { return m_channels[channel]->value(row,col); }
      int matrixRows( int channel ) const { return channel<m_channels_count?(m_channels[channel]?m_channels[channel]->rows():0):0; }
      int matrixCols( int channel ) const { return channel<m_channels_count?(m_channels[channel]?m_channels[channel]->cols():0):0; }
      bool isChannel( int channel ) const;
      void setFont( int e, const QSGFont &font );
      void setFill( int e, const QSGFill &fill );
      void setLine( int e, const QSGLine &line );
      void setPoint( int e, const QSGPoint &point );
      QSGFont font( int e ) const { return e<m_settings.fonts_count?m_settings.fonts[e]:QSGFont();  }
      QSGFill fill( int e ) const { return e<m_settings.fills_count?m_settings.fills[e]:QSGFill(); }
      QSGLine line( int e ) const { return e<m_settings.lines_count?m_settings.lines[e]:QSGLine(); }
      QSGPoint point( int e ) const { return e<m_settings.points_count?m_settings.points[e]:QSGPoint(); }
      int fontCount() const { return m_settings.fonts_count; }
     int fillCount() const { return m_settings.fills_count; }
     int lineCount() const { return m_settings.lines_count; }
     int pointCount() const { return m_settings.points_count; }
     virtual void loadStateFromStream( QDataStream& stream, QSObjectFactory *factory );
     virtual void saveStateToStream( QDataStream& stream, QSObjectFactory *factory );

   signals:                                                 
    void sigTitleChanged( const QString& newTitle );

   protected:
     static QSGFont fontFromData( QSMatrix *source, int row, int start_col, const QSGFont& default_value );
     static QSGFill fillFromData( QSMatrix *source, int row, int start_col, const QSGFill& default_value );
     static QSGLine lineFromData( QSMatrix *source, int row, int start_col, const QSGLine& default_value );
     static QSGPoint pointFromData( QSMatrix *source, int row, int start_col, const QSGPoint& default_value );
     static QSGArrow arrowFromData( QSMatrix *source, int row, int start_col, const QSGArrow& default_value );
     static QSGColor colorFromData( QSMatrix *source, int row, int start_col, const QSGColor& default_value );
     static ColumnType fontColumnFormat( int column );
     static ColumnType fillColumnFormat( int column );
     static ColumnType lineColumnFormat( int column );
     static ColumnType pointColumnFormat( int column );
     static ColumnType arrowColumnFormat( int column );
     static ColumnType colorColumnFormat( int column );

    void initChannelTable( int channels_num );
     void initAttributeTables( int fonts_num, int fills_num,  int lines_num, int points_num );
      virtual void parametersChanging();
      virtual void parametersChanged();
      double _log(  double value, double logBase = 10.0 ) { return log10(value)/log10(logBase); }
     struct settings_t {
        QSGFont  *fonts;
        QSGFill  *fills;
        QSGLine  *lines;
        QSGPoint *points;
    int fonts_count;
    int fills_count;
    int lines_count;
        int points_count;
       } m_settings;

     QSMatrix **m_channels;
     int m_channels_count;

     QString m_title_str;
     QSGraphicalData *m_parent_base_object;
   };

#endif

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