tempo-plotter Changeset - 70f83253cf6c · protofusion repositories

Changeset - 70f83253cf6c

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Hasan Yavuz ÖZDERYA - 10 years ago 2015-04-28 16:19:06
hy@ozderya.net

implemented automatic coloring of different channels with auto color selection

2 files changed with 37 insertions and 0 deletions:

mainwindow.cpp

mainwindow.h

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mainwindow.cpp

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@@ @@ -24,6 +24,7 @@ @@
 #include <QtDebug>
 #include <qwt_plot.h>
 #include <limits.h>
 #include <cmath>
 #include "utils.h"
 MainWindow::MainWindow(QWidget *parent) :
@@ @@ -167,6 +168,7 @@ MainWindow::MainWindow(QWidget *parent) @@
         channelsData.append(DataArray(numOfSamples, 0.0));
         curves.append(new QwtPlotCurve());
         curves[i]->setSamples(dataX, channelsData[i]);
         curves[i]->setPen(makeColor(i));
         curves[i]->attach(ui->plot);
+    }
@@ @@ -528,6 +530,7 @@ void MainWindow::onNumOfChannelsChanged( @@
             channelsData.append(DataArray(numOfSamples, 0.0));
             curves.append(new QwtPlotCurve());
             curves.last()->setSamples(dataX, channelsData.last());
             curves.last()->setPen(makeColor(curves.length()-1));
             curves.last()->attach(ui->plot);
+        }
+    }
@@ @@ -655,3 +658,34 @@ void MainWindow::enableDemo(bool enabled @@
         ui->actionDemoMode->setChecked(false);
+    }
+}
 /*
   Below crude drawing demostrates how color selection occurs for
   given channel index
 °                     <--Hue Value-->                           360°
   |* . o . + . o . * . o . + . o . * . o . + . o . * . o . + . o . |
   * -> 0-3
   + -> 4-7
   o -> 8-15
   . -> 16-31
  */
 QColor MainWindow::makeColor(unsigned int channelIndex)
+{
     auto i = channelIndex;
     if (i < 4)
+    {
         return QColor::fromHsv(360*i/4, 255, 255);
+    }
     else
+    {
         double p = floor(log2(i));
         double n = pow(2, p);
         i = i - n;
         return QColor::fromHsv(360*i/n + 360/pow(2,p+1), 255, 255);
+    }
+}

mainwindow.h

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@@ @@ -28,6 +28,7 @@ @@
 #include <QSerialPort>
 #include <QSignalMapper>
 #include <QTimer>
 #include <QColor>
 #include <qwt_plot_curve.h>
 #include "ui_about_dialog.h"
@@ @@ -92,6 +93,8 @@ private: @@
     int demoCount;
     bool isDemoRunning();
     QColor makeColor(unsigned int channelIndex);
 private slots:
     void loadPortList();
     void loadBaudRateList();

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