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#ifndef PLOT_WATERFALL_H
#define PLOT_WATERFALL_H
#include <qglobal.h>
#include <waterfallGlobalData.h>
#include <qwt_plot_rasteritem.h>
#if QWT_VERSION >= 0x060000
#include <qwt_point_3d.h> // doesn't seem necessary, but is...
#include <qwt_compat.h>
#endif
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.
\sa QwtRasterData, QwtColorMap
*/
class 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;
#if QWT_VERSION < 0x060000
virtual QwtDoubleRect boundingRect() const;
virtual QSize rasterHint(const QwtDoubleRect &) const;
#endif
virtual int rtti() const;
virtual void draw(QPainter *p,
const QwtScaleMap &xMap,
const QwtScaleMap &yMap,
const QRect &rect) const;
protected:
#if QWT_VERSION < 0x060000
QImage renderImage(const QwtScaleMap &xMap,
const QwtScaleMap &yMap,
const QwtDoubleRect &rect) const;
#else
QImage renderImage(const QwtScaleMap &xMap,
const QwtScaleMap &yMap,
const QRectF &rect,
const QSize &size=QSize(0,0)) const;
#endif
private:
class PrivateData;
PrivateData *d_data;
};
#endif
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