diff --git a/src/barchart.cpp b/src/barchart.cpp new file mode 100644 --- /dev/null +++ b/src/barchart.cpp @@ -0,0 +1,63 @@ +/* + Copyright © 2017 Hasan Yavuz Özderya + + This file is part of serialplot. + + serialplot 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 of the License, or + (at your option) any later version. + + serialplot 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 serialplot. If not, see . +*/ + +#include + +#include "barchart.h" + +BarChart::BarChart(ChannelManager* channelMan) +{ + _channelMan = channelMan; +} + +void BarChart::resample() +{ + setSamples(chartData()); +} + +QVector BarChart::chartData() const +{ + unsigned numChannels = _channelMan->numOfChannels(); + unsigned numOfSamples = _channelMan->numOfSamples(); + QVector data(numChannels); + for (unsigned i = 0; i < numChannels; i++) + { + data[i] = _channelMan->channelBuffer(i)->sample(numOfSamples-1); + } + return data; +} + +QwtColumnSymbol* BarChart::specialSymbol(int sampleIndex, const QPointF& sample) const +{ + unsigned numChannels = _channelMan->numOfChannels(); + if (sampleIndex < 0 || sampleIndex > (int) numChannels) + { + return NULL; + } + + auto info = _channelMan->infoModel(); + auto color = info->color(sampleIndex); + + QwtColumnSymbol* symbol = new QwtColumnSymbol(QwtColumnSymbol::Box); + symbol->setLineWidth(1); + symbol->setFrameStyle(QwtColumnSymbol::Plain); + symbol->setPalette(QPalette(color)); + + return symbol; +}