Qwt Polar User's Guide
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qwt_polar_spectrogram.h
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* QwtPolar Widget Library
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* Copyright (C) 2008 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_POLAR_SPECTROGRAM_H
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#define QWT_POLAR_SPECTROGRAM_H
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#include "qwt_polar_global.h"
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#include "qwt_polar_item.h"
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#include <qimage.h>
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class
QwtRasterData;
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class
QwtColorMap;
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class
QWT_POLAR_EXPORT
QwtPolarSpectrogram
:
public
QwtPolarItem
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{
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public
:
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explicit
QwtPolarSpectrogram
();
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virtual
~
QwtPolarSpectrogram
();
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void
setData(
const
QwtRasterData &data);
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const
QwtRasterData &data()
const
;
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void
setColorMap(
const
QwtColorMap &);
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const
QwtColorMap &colorMap()
const
;
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virtual
int
rtti
()
const
;
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virtual
void
draw
(QPainter *painter,
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const
QwtScaleMap &azimuthMap,
const
QwtScaleMap &radialMap,
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const
QwtDoublePoint &pole,
double
radius,
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const
QwtDoubleRect &canvasRect)
const
;
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virtual
QwtDoubleInterval
boundingInterval
(
int
scaleId)
const
;
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protected
:
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virtual
QImage renderImage(
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const
QwtScaleMap &azimuthMap,
const
QwtScaleMap &radialMap,
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const
QwtDoublePoint &pole,
const
QRect &rect)
const
;
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private
:
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class
PrivateData;
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PrivateData *d_data;
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};
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#endif
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