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.