Qwt Polar User's Guide
0.1.0
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00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** 00002 * QwtPolar Widget Library 00003 * Copyright (C) 2008 Uwe Rathmann 00004 * 00005 * This library is free software; you can redistribute it and/or 00006 * modify it under the terms of the Qwt License, Version 1.0 00007 *****************************************************************************/ 00008 00009 #ifndef QWT_POLAR_SPECTROGRAM_H 00010 #define QWT_POLAR_SPECTROGRAM_H 00011 00012 #include "qwt_polar_global.h" 00013 #include "qwt_polar_item.h" 00014 #include <qimage.h> 00015 00016 class QwtRasterData; 00017 class QwtColorMap; 00018 00028 class QWT_POLAR_EXPORT QwtPolarSpectrogram: public QwtPolarItem 00029 { 00030 public: 00031 explicit QwtPolarSpectrogram(); 00032 virtual ~QwtPolarSpectrogram(); 00033 00034 void setData(const QwtRasterData &data); 00035 const QwtRasterData &data() const; 00036 00037 void setColorMap(const QwtColorMap &); 00038 const QwtColorMap &colorMap() const; 00039 00040 virtual int rtti() const; 00041 00042 virtual void draw(QPainter *painter, 00043 const QwtScaleMap &azimuthMap, const QwtScaleMap &radialMap, 00044 const QwtDoublePoint &pole, double radius, 00045 const QwtDoubleRect &canvasRect) const; 00046 00047 virtual QwtDoubleInterval boundingInterval(int scaleId) const; 00048 00049 protected: 00050 virtual QImage renderImage( 00051 const QwtScaleMap &azimuthMap, const QwtScaleMap &radialMap, 00052 const QwtDoublePoint &pole, const QRect &rect) const; 00053 00054 private: 00055 class PrivateData; 00056 PrivateData *d_data; 00057 }; 00058 00059 #endif