/usr/include/qwt/qwt_plot_spectrogram.h is in libqwt-dev 6.0.0-1.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_PLOT_SPECTROGRAM_H
#define QWT_PLOT_SPECTROGRAM_H
#include "qwt_global.h"
#include "qwt_raster_data.h"
#include "qwt_plot_rasteritem.h"
#include <qlist.h>
class QwtColorMap;
/*!
\brief A plot item, which displays a spectrogram
A spectrogram displays threedimenional data, where the 3rd dimension
( the intensity ) is displayed using colors. The colors are calculated
from the values using a color map.
In ContourMode contour lines are painted for the contour levels.
\image html spectrogram3.png
\sa QwtRasterData, QwtColorMap
*/
class QWT_EXPORT QwtPlotSpectrogram: public QwtPlotRasterItem
{
public:
/*!
The display mode controls how the raster data will be represented.
\sa setDisplayMode(), testDisplayMode()
*/
enum DisplayMode
{
//! The values are mapped to colors using a color map.
ImageMode = 0x01,
//! The data is displayed using contour lines
ContourMode = 0x02
};
//! Display modes
typedef QFlags<DisplayMode> DisplayModes;
explicit QwtPlotSpectrogram( const QString &title = QString::null );
virtual ~QwtPlotSpectrogram();
void setRenderThreadCount( uint numThreads );
uint renderThreadCount() const;
void setDisplayMode( DisplayMode, bool on = true );
bool testDisplayMode( DisplayMode ) const;
void setData( QwtRasterData *data );
const QwtRasterData *data() const;
QwtRasterData *data();
void setColorMap( QwtColorMap * );
const QwtColorMap *colorMap() const;
virtual QwtInterval interval(Qt::Axis) const;
virtual QRectF pixelHint( const QRectF & ) const;
void setDefaultContourPen( const QPen & );
QPen defaultContourPen() const;
virtual QPen contourPen( double level ) const;
void setConrecFlag( QwtRasterData::ConrecFlag, bool on );
bool testConrecFlag( QwtRasterData::ConrecFlag ) const;
void setContourLevels( const QList<double> & );
QList<double> contourLevels() const;
virtual int rtti() const;
virtual void draw( QPainter *p,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &rect ) const;
protected:
virtual QImage renderImage(
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &area, const QSize &imageSize ) const;
virtual QSize contourRasterSize(
const QRectF &, const QRect & ) const;
virtual QwtRasterData::ContourLines renderContourLines(
const QRectF &rect, const QSize &raster ) const;
virtual void drawContourLines( QPainter *p,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QwtRasterData::ContourLines& lines ) const;
void renderTile( const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRect &imageRect, QImage *image ) const;
private:
class PrivateData;
PrivateData *d_data;
};
Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotSpectrogram::DisplayModes );
#endif
|