qwt_column_symbol.h

/******************************************************************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/
 
#ifndef QWT_COLUMN_SYMBOL_H
#define QWT_COLUMN_SYMBOL_H
 
#include "qwt_global.h"
#include "qwt_interval.h"
 
#include <qnamespace.h>
 
class QPainter;
class QPalette;
class QRectF;
 
class QWT_EXPORT QwtColumnRect
{
  public:
    enum Direction
    {
        LeftToRight,
 
        RightToLeft,
 
        BottomToTop,
 
        TopToBottom
    };
 
    QwtColumnRect()
        : direction( BottomToTop )
    {
    }
 
    QRectF toRect() const;
 
    Qt::Orientation orientation() const
    {
        if ( direction == LeftToRight || direction == RightToLeft )
            return Qt::Horizontal;
 
        return Qt::Vertical;
    }
 
    QwtInterval hInterval;
 
    QwtInterval vInterval;
 
    Direction direction;
};
 
class QWT_EXPORT QwtColumnSymbol
{
  public:
    enum Style
    {
        NoStyle = -1,
 
        Box,
 
        UserStyle = 1000
    };
 
    enum FrameStyle
    {
        NoFrame,
 
        Plain,
 
        Raised
    };
 
  public:
    explicit QwtColumnSymbol( Style = NoStyle );
    virtual ~QwtColumnSymbol();
 
    void setFrameStyle( FrameStyle );
    FrameStyle frameStyle() const;
 
    void setLineWidth( int width );
    int lineWidth() const;
 
    void setPalette( const QPalette& );
    const QPalette& palette() const;
 
    void setStyle( Style );
    Style style() const;
 
    virtual void draw( QPainter*, const QwtColumnRect& ) const;
 
  protected:
    void drawBox( QPainter*, const QwtColumnRect& ) const;
 
  private:
    Q_DISABLE_COPY(QwtColumnSymbol)
 
    class PrivateData;
    PrivateData* m_data;
};
 
#endif