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58 lines
1.6 KiB
C++
Executable File
58 lines
1.6 KiB
C++
Executable File
#
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/*
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* Copyright (C) 2016 .. 2022
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* Jan van Katwijk (J.vanKatwijk@gmail.com)
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* Lazy Chair Computing
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*
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* This file is part of Qt-DAB
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*
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* Qt-DAB is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* Qt-DAB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Qt-DAB; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#pragma once
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#include <cstdio>
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#include <cstdlib>
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#include <qwt_interval.h>
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#include <QPen>
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//
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// Qwt 6.2 is different from the 6.1 version, these mods
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// seem to work
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# include <qwt_raster_data.h>
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class spectrogramData: public QwtRasterData {
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public:
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double *data; // pointer to actual data
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int left; // index of left most element in raster
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int width; // raster width
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int height; // rasterheigth
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int datawidth; // width of matrix
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int dataheight; // for now == rasterheigth
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double max;
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spectrogramData (double *data, int left,
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int width, int height,
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int datawidth, double max);
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~spectrogramData ();
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void initRaster (const QRectF &x, const QSize &raster);
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QwtInterval interval (Qt::Axis x) const;
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double value (double x, double y) const;
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};
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