10 #ifndef QWT_PLOT_SPECTROGRAM_H 
   11 #define QWT_PLOT_SPECTROGRAM_H 
   13 #include "qwt_global.h" 
   14 #include "qwt_raster_data.h" 
   15 #include "qwt_plot_rasteritem.h" 
   57     void setRenderThreadCount( uint numThreads );
 
   58     uint renderThreadCount() 
const;
 
   71     virtual QRectF 
pixelHint( 
const QRectF & ) 
const;
 
   73     void setDefaultContourPen( 
const QPen & );
 
   74     QPen defaultContourPen() 
const;
 
   76     virtual QPen contourPen( 
double level ) 
const;
 
   81     void setContourLevels( 
const QList<double> & );
 
   82     QList<double> contourLevels() 
const;
 
   84     virtual int rtti() 
const;
 
   86     virtual void draw( QPainter *p,
 
   88         const QRectF &rect ) 
const;
 
   93         const QRectF &area, 
const QSize &imageSize ) 
const;
 
   95     virtual QSize contourRasterSize(
 
   96         const QRectF &, 
const QRect & ) 
const;
 
   99         const QRectF &rect, 
const QSize &raster ) 
const;
 
  101     virtual void drawContourLines( QPainter *p,
 
  106         const QRect &imageRect, QImage *image ) 
const;