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"    72     virtual QRectF 
pixelHint( 
const QRectF & ) 
const;
    74     void setDefaultContourPen( 
const QColor &, 
    75         qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
    76     void setDefaultContourPen( 
const QPen & );
    77     QPen defaultContourPen() 
const;
    79     virtual QPen contourPen( 
double level ) 
const;
    84     void setContourLevels( 
const QList<double> & );
    85     QList<double> contourLevels() 
const;
    87     virtual int rtti() 
const;
    89     virtual void draw( QPainter *p,
    91         const QRectF &rect ) 
const;
    96         const QRectF &area, 
const QSize &imageSize ) 
const;
    98     virtual QSize contourRasterSize(
    99         const QRectF &, 
const QRect & ) 
const;
   102         const QRectF &rect, 
const QSize &raster ) 
const;
   104     virtual void drawContourLines( QPainter *p,
   109         const QRect &imageRect, QImage *image ) 
const;
 virtual QwtInterval interval(Qt::Axis) const 
Definition: qwt_plot_rasteritem.cpp:774
DisplayMode
Definition: qwt_plot_spectrogram.h:46
A scale map. 
Definition: qwt_scale_map.h:30
QwtRasterData defines an interface to any type of raster data. 
Definition: qwt_raster_data.h:32
QMap< double, QPolygonF > ContourLines
Contour lines. 
Definition: qwt_raster_data.h:36
virtual int rtti() const 
Definition: qwt_plot_item.cpp:120
QFlags< DisplayMode > DisplayModes
Display modes. 
Definition: qwt_plot_spectrogram.h:56
virtual QRectF pixelHint(const QRectF &) const 
Pixel hint. 
Definition: qwt_plot_rasteritem.cpp:597
QwtColorMap is used to map values into colors. 
Definition: qwt_color_map.h:33
virtual QImage renderImage(const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &area, const QSize &imageSize) const  =0
Render an image. 
A class, which displays raster data. 
Definition: qwt_plot_rasteritem.h:37
A class representing an interval. 
Definition: qwt_interval.h:26
A plot item, which displays a spectrogram. 
Definition: qwt_plot_spectrogram.h:38
virtual void draw(QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &rect) const 
Draw the raster data. 
Definition: qwt_plot_rasteritem.cpp:610
ConrecFlag
Flags to modify the contour algorithm. 
Definition: qwt_raster_data.h:39