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#ifndef PLOT_WATERFALL_H
#define PLOT_WATERFALL_H
#include <qglobal.h>
#include <waterfallGlobalData.h>
#include "qwt_valuelist.h"
#include "qwt_plot_rasteritem.h"
class QwtColorMap;
/*!
\brief A plot item, which displays a waterfall spectrogram
A waterfall displays threedimenional data, where the 3rd dimension
( the intensity ) is displayed using colors. The colors are calculated
from the values using a color map.
\image html spectrogram3.png
\sa QwtRasterData, QwtColorMap
*/
class QWT_EXPORT PlotWaterfall: public QwtPlotRasterItem
{
public:
explicit PlotWaterfall(WaterfallData* data, const QString &title = QString::null);
virtual ~PlotWaterfall();
const WaterfallData* data()const;
void setColorMap(const QwtColorMap &);
const QwtColorMap &colorMap() const;
virtual QwtDoubleRect boundingRect() const;
virtual QSize rasterHint(const QwtDoubleRect &) const;
virtual int rtti() const;
virtual void draw(QPainter *p,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRect &rect) const;
protected:
virtual QImage renderImage(
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtDoubleRect &rect) const;
private:
class PrivateData;
PrivateData *d_data;
};
#endif
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