10 #ifndef QWT_PLOT_SPECTROGRAM_H 
   11 #define QWT_PLOT_SPECTROGRAM_H 
   15 #include "qwt_valuelist.h"  
   16 #include "qwt_raster_data.h"  
   17 #include "qwt_plot_rasteritem.h"  
   60     void setDisplayMode(DisplayMode, 
bool on = 
true);
 
   61     bool testDisplayMode(DisplayMode) 
const;
 
   70     virtual QSize 
rasterHint(
const QwtDoubleRect &) 
const;
 
   72     void setDefaultContourPen(
const QPen &);
 
   73     QPen defaultContourPen() 
const;
 
   75     virtual QPen contourPen(
double level) 
const;
 
   80     void setContourLevels(
const QwtValueList &);
 
   81     QwtValueList contourLevels() 
const;
 
   83     virtual int rtti() 
const;
 
   85     virtual void draw(QPainter *p,
 
   87         const QRect &rect) 
const;
 
   92         const QwtDoubleRect &rect) 
const;
 
   94     virtual QSize contourRasterSize(
 
   95         const QwtDoubleRect &, 
const QRect &) 
const;
 
   97     virtual QwtRasterData::ContourLines renderContourLines(
 
   98         const QwtDoubleRect &rect, 
const QSize &raster) 
const;
 
  100     virtual void drawContourLines(QPainter *p,
 
  102         const QwtRasterData::ContourLines& lines) 
const;