/* -*- c++ -*- */ /* * Copyright 2008-2012 Free Software Foundation, Inc. * * This file is part of GNU Radio * * GNU Radio is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. * * GNU Radio is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Radio; see the file COPYING. If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, * Boston, MA 02110-1301, USA. */ #ifndef PLOT_WATERFALL_H #define PLOT_WATERFALL_H #include <qglobal.h> #include <waterfallGlobalData.h> #include <qwt_plot_rasteritem.h> #if QWT_VERSION >= 0x060000 #include <qwt_point_3d.h> // doesn't seem necessary, but is... #include <qwt_compat.h> #endif class QwtColorMap; /*! \brief A plot item, which displays a waterfall spectrogram A waterfall displays threedimenional data, where the 3rd dimension ( the intensity ) is displayed using colors. The colors are calculated from the values using a color map. \sa QwtRasterData, QwtColorMap */ class PlotWaterfall: public QwtPlotRasterItem { public: explicit PlotWaterfall(WaterfallData* data, const QString &title = QString::null); virtual ~PlotWaterfall(); const WaterfallData* data()const; void setColorMap(const QwtColorMap &); const QwtColorMap &colorMap() const; #if QWT_VERSION < 0x060000 virtual QwtDoubleRect boundingRect() const; virtual QSize rasterHint(const QwtDoubleRect &) const; #endif virtual int rtti() const; virtual void draw(QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRect &rect) const; protected: #if QWT_VERSION < 0x060000 QImage renderImage(const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QwtDoubleRect &rect) const; #else QImage renderImage(const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &rect, const QSize &size=QSize(0,0)) const; #endif private: class PrivateData; PrivateData *d_data; }; #endif