You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
|
|
* 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_PLOT_SERIES_ITEM_H
|
|
#define QWT_PLOT_SERIES_ITEM_H
|
|
|
|
#include "qwt_global.h"
|
|
#include "qwt_plot_item.h"
|
|
#include "qwt_scale_div.h"
|
|
#include "qwt_series_data.h"
|
|
#include "qwt_series_store.h"
|
|
|
|
/*!
|
|
\brief Base class for plot items representing a series of samples
|
|
*/
|
|
class QWT_EXPORT QwtPlotSeriesItem: public QwtPlotItem,
|
|
public virtual QwtAbstractSeriesStore
|
|
{
|
|
public:
|
|
explicit QwtPlotSeriesItem( const QString &title = QString() );
|
|
explicit QwtPlotSeriesItem( const QwtText &title );
|
|
|
|
virtual ~QwtPlotSeriesItem();
|
|
|
|
void setOrientation( Qt::Orientation );
|
|
Qt::Orientation orientation() const;
|
|
|
|
virtual void draw( QPainter *,
|
|
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
|
|
const QRectF & ) const;
|
|
|
|
/*!
|
|
Draw a subset of the samples
|
|
|
|
\param painter Painter
|
|
\param xMap Maps x-values into pixel coordinates.
|
|
\param yMap Maps y-values into pixel coordinates.
|
|
\param canvasRect Contents rectangle of the canvas
|
|
\param from Index of the first point to be painted
|
|
\param to Index of the last point to be painted. If to < 0 the
|
|
curve will be painted to its last point.
|
|
*/
|
|
virtual void drawSeries( QPainter *painter,
|
|
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
|
|
const QRectF &canvasRect, int from, int to ) const = 0;
|
|
|
|
virtual QRectF boundingRect() const;
|
|
|
|
virtual void updateScaleDiv(
|
|
const QwtScaleDiv &, const QwtScaleDiv & );
|
|
|
|
protected:
|
|
virtual void dataChanged();
|
|
|
|
private:
|
|
class PrivateData;
|
|
PrivateData *d_data;
|
|
};
|
|
|
|
#endif
|