9 #ifndef QWT_POLAR_SPECTROGRAM_H
10 #define QWT_POLAR_SPECTROGRAM_H
12 #include "qwt_global.h"
13 #include "qwt_polar_item.h"
44 ApproximatedAtan = 0x01
61 virtual int rtti() const QWT_OVERRIDE;
63 virtual
void draw( QPainter* painter,
65 const QPointF& pole,
double radius,
66 const QRectF& canvasRect ) const QWT_OVERRIDE;
68 virtual
QwtInterval boundingInterval(
int scaleId ) const QWT_OVERRIDE;
71 virtual QImage renderImage(
73 const QPointF& pole, const QRect& rect ) const;
75 virtual
void renderTile(
77 const QPointF& pole, const QPoint& imagePos,
78 const QRect& tile, QImage* image ) const;
83 const QPointF& pole, TileInfo* ) const;
QwtColorMap is used to map values into colors.
A class representing an interval.
Base class for items on a polar plot.
An item, which displays a spectrogram.
QFlags< PaintAttribute > PaintAttributes
QwtRasterData defines an interface to any type of raster data.