# HG changeset patch
# User Hasan Yavuz ÖZDERYA <hy@ozderya.net>
# Date 2017-10-03 05:28:24
# Node ID b42c4952c5cc4aaf04b53ed8a067d6221ade11f1
# Parent  48275214044f1046bcbea966f47266a62425a31b

bar plot experimental implementation

diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -134,6 +134,7 @@ add_executable(${PROGRAM_NAME} WIN32
   src/framedreader.cpp
   src/framedreadersettings.cpp
   src/plotmanager.cpp
+  src/barplot.cpp
   src/numberformat.cpp
   src/updatechecker.cpp
   src/versionnumber.cpp
diff --git a/src/barplot.cpp b/src/barplot.cpp
new file mode 100644
--- /dev/null
+++ b/src/barplot.cpp
@@ -0,0 +1,45 @@
+/*
+  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 <http://www.gnu.org/licenses/>.
+*/
+
+#include "barplot.h"
+
+BarPlot::BarPlot(ChannelManager* channelMan, QWidget* parent) :
+    QwtPlot(parent)
+{
+    _channelMan = channelMan;
+    barChart.attach(this);
+
+    connect(_channelMan, &ChannelManager::dataAdded, [this]()
+            {
+                barChart.setSamples(chartData());
+                replot();
+            });
+}
+
+QVector<double> BarPlot::chartData() const
+{
+    unsigned numChannels = _channelMan->numOfChannels();
+    unsigned numOfSamples = _channelMan->numOfSamples();
+    QVector<double> data(numChannels);
+    for (int i = 0; i < numChannels; i++)
+    {
+        data[i] = _channelMan->channelBuffer(i)->sample(numOfSamples-1);
+    }
+    return data;
+}
diff --git a/src/barplot.h b/src/barplot.h
new file mode 100644
--- /dev/null
+++ b/src/barplot.h
@@ -0,0 +1,42 @@
+/*
+  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 <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef BARPLOT_H
+#define BARPLOT_H
+
+#include <qwt_plot.h>
+#include <qwt_plot_barchart.h>
+
+#include "channelmanager.h"
+
+class BarPlot : public QwtPlot
+{
+    Q_OBJECT
+
+public:
+    explicit BarPlot(ChannelManager* channelMan, QWidget* parent = 0);
+
+private:
+    QwtPlotBarChart barChart;
+    ChannelManager* _channelMan;
+
+    QVector<double> chartData() const;
+};
+
+#endif // BARPLOT_H
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -63,6 +63,7 @@ MainWindow::MainWindow(QWidget *parent) 
     snapshotMan(this, &channelMan),
     commandPanel(&serialPort),
     dataFormatPanel(&serialPort, &channelMan, &recorder),
+    barPlot(&channelMan),
     recordPanel(&recorder, &channelMan),
     updateCheckDialog(this)
 {
@@ -264,6 +265,8 @@ MainWindow::MainWindow(QWidget *parent) 
                 this->ui->tabWidget->setCurrentWidget(&commandPanel);
                 this->ui->tabWidget->showTabs();
             });
+
+    barPlot.show();
 }
 
 MainWindow::~MainWindow()
diff --git a/src/mainwindow.h b/src/mainwindow.h
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -44,6 +44,7 @@
 #include "channelmanager.h"
 #include "snapshotmanager.h"
 #include "plotmanager.h"
+#include "barplot.h"
 #include "datarecorder.h"
 #include "updatecheckdialog.h"
 
@@ -78,6 +79,7 @@ private:
     QList<QwtPlotCurve*> curves;
     ChannelManager channelMan;
     PlotManager* plotMan;
+    BarPlot barPlot;
     SnapshotManager snapshotMan;
     DataRecorder recorder;       // operated by `recordPanel`