GNU Radio 3.7.1 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2008-2012 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef PLOT_WATERFALL_H 00024 #define PLOT_WATERFALL_H 00025 00026 #include <qglobal.h> 00027 #include <gnuradio/qtgui/waterfallGlobalData.h> 00028 #include <qwt_plot_rasteritem.h> 00029 00030 #if QWT_VERSION >= 0x060000 00031 #include <qwt_point_3d.h> // doesn't seem necessary, but is... 00032 #include <qwt_compat.h> 00033 #endif 00034 00035 class QwtColorMap; 00036 00037 /*! 00038 * \brief A plot item, which displays a waterfall spectrogram 00039 * \ingroup qtgui_blk 00040 * 00041 * \details 00042 * A waterfall displays threedimenional data, where the 3rd dimension 00043 * (the intensity) is displayed using colors. The colors are calculated 00044 * from the values using a color map. 00045 * 00046 * \sa QwtRasterData, QwtColorMap 00047 */ 00048 class PlotWaterfall: public QwtPlotRasterItem 00049 { 00050 public: 00051 explicit PlotWaterfall(WaterfallData* data, 00052 const QString &title = QString::null); 00053 virtual ~PlotWaterfall(); 00054 00055 const WaterfallData* data()const; 00056 00057 void setColorMap(const QwtColorMap &); 00058 00059 const QwtColorMap &colorMap() const; 00060 00061 #if QWT_VERSION < 0x060000 00062 virtual QwtDoubleRect boundingRect() const; 00063 virtual QSize rasterHint(const QwtDoubleRect &) const; 00064 #endif 00065 00066 virtual int rtti() const; 00067 00068 virtual void draw(QPainter *p, 00069 const QwtScaleMap &xMap, 00070 const QwtScaleMap &yMap, 00071 const QRect &rect) const; 00072 00073 protected: 00074 #if QWT_VERSION < 0x060000 00075 QImage renderImage(const QwtScaleMap &xMap, 00076 const QwtScaleMap &yMap, 00077 const QwtDoubleRect &rect) const; 00078 #else 00079 QImage renderImage(const QwtScaleMap &xMap, 00080 const QwtScaleMap &yMap, 00081 const QRectF &rect, 00082 const QSize &size=QSize(0,0)) const; 00083 #endif 00084 00085 private: 00086 class PrivateData; 00087 PrivateData *d_data; 00088 }; 00089 00090 #endif