[qcustomplot] 04/07: Add autoplgtest.

Anton Gladky gladk at moszumanska.debian.org
Mon Jul 21 21:50:49 UTC 2014


This is an automated email from the git hooks/post-receive script.

gladk pushed a commit to branch master
in repository qcustomplot.

commit 2f0e8f139c04500653eed5de3878e91c929f6572
Author: Anton Gladky <gladk at debian.org>
Date:   Mon Jul 21 23:35:46 2014 +0200

    Add autoplgtest.
---
 debian/control         |    1 +
 debian/tests/1/control |  307 +++++++++
 debian/tests/buildtest | 1735 ++++++++++++++++++++++++++++++++++++++++++++++++
 debian/tests/control   |    2 +
 4 files changed, 2045 insertions(+)

diff --git a/debian/control b/debian/control
index cf7e0d5..652f055 100644
--- a/debian/control
+++ b/debian/control
@@ -12,6 +12,7 @@ Build-Depends:
  qt5-default
 Vcs-Git: git://anonscm.debian.org/debian-science/packages/qcustomplot.git
 Vcs-Browser: http://anonscm.debian.org/gitweb/?p=debian-science/packages/qcustomplot.git
+XS-Testsuite: autopkgtest
 
 Package: libqcustomplot-dev
 Section: libdevel
diff --git a/debian/tests/1/control b/debian/tests/1/control
new file mode 100644
index 0000000..dac4f93
--- /dev/null
+++ b/debian/tests/1/control
@@ -0,0 +1,307 @@
+Source: vtk6
+Section: graphics
+Priority: optional
+Maintainer: Debian Science Team <debian-science-maintainers at lists.alioth.debian.org>
+Build-Depends:
+ chrpath,
+ cmake (>= 2.8.5),
+ debhelper (>= 9),
+ default-jdk,
+ dh-python,
+ doxygen-latex,
+ dpkg-dev (>= 1.16.1~),
+ ftgl-dev,
+ ghostscript,
+ gnuplot-nox,
+ graphviz,
+ hdf5-tools,
+ javahelper,
+ libalglib-dev,
+ libavcodec-dev,
+ libavformat-dev,
+ libavutil-dev,
+ libboost-all-dev,
+ libdigest-md5-perl,
+ libexpat-dev,
+ libfreetype6-dev,
+ libgdal-dev,
+ libgl1-mesa-dev | libgl-dev,
+ libgl2ps-dev,
+ libglu1-mesa-dev | libglu-dev,
+ libhdf5-dev,
+ libjpeg-dev,
+ libjsoncpp-dev,
+ libmrmpi-dev,
+ libmysqlclient-dev,
+ libnetcdf-dev,
+ libogg-dev,
+ libosmesa6-dev,
+ libpng-dev,
+ libpq-dev,
+ libqt4-dev,
+ libqt4-opengl-dev,
+ libqtwebkit-dev,
+ libsqlite3-dev,
+ libswscale-dev,
+ libtheora-dev,
+ libtiff-dev,
+ libx11-dev,
+ libxml2-dev,
+ libxdmf-dev,
+ libxpm-dev,
+ libxt-dev,
+ mpi-default-dev,
+ pkg-config,
+ python-all-dev (<< 2.8),
+ python-all-dev (>= 2.7),
+ python-matplotlib,
+ python-mpi4py,
+ r-base,
+ r-base-core,
+ r-base-dev,
+ tcl-dev,
+ texlive-binaries,
+ texlive-math-extra,
+ tk8.6-dev,
+ x11proto-core-dev,
+ xauth,
+ xvfb,
+ zlib1g-dev
+XS-Python-Version: current
+Uploaders:
+ Anton Gladky <gladk at debian.org>
+Standards-Version: 3.9.5
+Homepage: http://www.vtk.org/
+Vcs-Git: git://anonscm.debian.org/debian-science/packages/vtk6.git
+Vcs-Browser: http://anonscm.debian.org/gitweb/?p=debian-science/packages/vtk6.git
+XS-Testsuite: autopkgtest
+
+Package: libvtk6.1
+Architecture: any
+Depends:
+ ${misc:Depends},
+ ${shlibs:Depends}
+Replaces:
+ libvtk32,
+ libvtk4,
+ libvtk4c2,
+ libvtk4c2a,
+ libvtk5,
+ libvtk5.8,
+ libvtk6
+Conflicts:
+ libvtk6 (>>6.0.0-7)
+Suggests:
+ libvtk6-dev,
+ mpi-default-bin,
+ vtk6-doc,
+ vtk6-examples
+Section: libs
+Description: Visualization Toolkit - A high level 3D visualization library - runtime
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ VTK enables users to concentrate on their work by providing a large
+ number of excellent and feature packed high level functions that do
+ visualization.  The library needs OpenGL to render the graphics and
+ for Linux machines Mesa is necessary. The terms/copyright can be read
+ in /usr/share/doc/vtk/README and README.html.  VTK-Linux-HOWTO has
+ information about using vtk, getting documentataion or help and
+ instructions on building VTK.
+ .
+ This package provides the shared libraries needed to run C++ programs
+ that use VTK.
+ .
+ To compile C++ code that uses VTK you have to install libvtk5-dev.
+
+Package: libvtk6-dev
+Architecture: any
+Conflicts:
+ libvtk-dev,
+ libvtk32-dev,
+ libvtk4-dev,
+ libvtk5-dev
+Replaces:
+ libvtk-dev,
+ libvtk32-dev,
+ libvtk4-dev,
+ libvtk5-dev
+Depends:
+ libavcodec-dev,
+ libavformat-dev,
+ libavutil-dev,
+ libc6-dev,
+ libeigen3-dev,
+ libexpat-dev,
+ libfreetype6-dev,
+ libgdal-dev,
+ libgl1-mesa-dev | libgl-dev,
+ libgl2ps-dev,
+ libglu1-mesa-dev | libglu-dev,
+ libjpeg-dev,
+ libjsoncpp-dev,
+ libmysqlclient-dev,
+ libnetcdf-dev,
+ libogg-dev,
+ libpng-dev,
+ libpq-dev,
+ libpython-dev,
+ libqt4-dev,
+ libqt4-opengl-dev,
+ libqtwebkit-dev,
+ libswscale-dev,
+ libtheora-dev,
+ libtiff-dev,
+ libvtk6.1 (= ${binary:Version}),
+ libvtk6-java (= ${binary:Version}),
+ libx11-dev,
+ libxft-dev,
+ libxml2-dev,
+ libxdmf-dev,
+ libxss-dev,
+ libxt-dev,
+ mpi-default-dev,
+ python-vtk6 (= ${binary:Version}),
+ tcl-vtk6 (= ${binary:Version}),
+ tcl-dev,
+ tk8.6-dev,
+ vtk6 (= ${binary:Version}),
+ x11proto-core-dev,
+ zlib1g-dev,
+ ${misc:Depends}
+Suggests:
+ vtk6-doc,
+ vtk6-examples
+Section: libdevel
+Description: VTK header files for building C++ code
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This package provides the VTK header files required to compile
+ C++ programs that use VTK to do 3D visualisation.
+
+Package: libvtk6-java
+Architecture: any
+Depends:
+ ${java:Depends},
+ ${misc:Depends},
+ ${shlibs:Depends}
+Suggests:
+ java-virtual-machine,
+ libvtk6-dev (= ${binary:Version}),
+ vtk6-doc,
+ vtk6-examples
+Section: java
+Description: Visualization Toolkit - A high level 3D visualization library - java
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This package provides the VTK Java language support.
+
+Package: python-vtk6
+Architecture: any
+Conflicts: python-vtk
+Depends:
+ libvtk6.1 (= ${binary:Version}),
+ ${misc:Depends},
+ ${python:Depends},
+ ${shlibs:Depends}
+Suggests:
+ mayavi2,
+ vtk6-doc,
+ vtk6-examples
+XB-Python-Version: ${python:Versions}
+Section: python
+Description: Python bindings for VTK
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This provides the shared libraries that enable one to use VTK from Python
+ scripts.  You will need Python and vtk installed to use this. Some useful
+ information may be available in /usr/share/doc/python-vtk/.
+
+Package: tcl-vtk6
+Architecture: any
+Depends:
+ libvtk6.1 (= ${binary:Version}),
+ ${misc:Depends},
+ ${shlibs:Depends}
+Suggests:
+ vtk6-doc,
+ vtk6-examples
+Section: interpreters
+Description: Tcl bindings for VTK
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This provides the shared libraries and executable that enable one to use
+ VTK from Tcl/Tk scripts. You will need Tcl/Tk and vtk installed to use
+ this.
+
+Package: vtk6
+Architecture: any
+Depends:
+ libvtk6.1 (= ${binary:Version}),
+ ${misc:Depends},
+ ${shlibs:Depends}
+Suggests:
+ vtk6-doc,
+ vtk6-examples
+Section: interpreters
+Description: Binaries for VTK6
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This provides binaries for VTK6
+
+Package: vtk6-doc
+Architecture: all
+Depends:
+ doc-base,
+ ${misc:Depends}
+Suggests:
+ libvtk6-dev,
+ vtk6-examples,
+ vtk6data
+Section: doc
+Description: VTK class reference documentation
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This package contains exhaustive HTML documentation for the all the
+ documented VTK C++ classes.  The documentation was generated using
+ doxygen and some excellent perl scripts from Sebastien Barre et. al.
+ Please read the README.docs in /usr/share/doc/vtk-doc/ for details.
+ The documentation is available under /usr/share/doc/vtk/html.
+
+Package: vtk6-examples
+Architecture: all
+Suggests:
+ libqt4-dev,
+ libvtk6-dev,
+ python,
+ python-vtk6,
+ tcl-vtk6,
+ tclsh,
+ vtk6-doc
+Section: graphics
+Depends:
+ ${misc:Depends}
+Description: C++, Tcl and Python example programs/scripts for VTK
+ The Visualization Toolkit (VTK) is an object oriented, high level
+ library that allows one to easily write C++ programs, Tcl, Python and
+ Java scripts that do 3D visualization.
+ .
+ This package contains examples from the VTK source. To compile
+ the C++ examples you will need to install the vtk-dev package as well.
+ Some of them require the libqt4-dev package.
+ .
+ The Python and Tcl examples can be run with the corresponding packages
+ (python-vtk, tcl-vtk).
diff --git a/debian/tests/buildtest b/debian/tests/buildtest
new file mode 100755
index 0000000..03116c4
--- /dev/null
+++ b/debian/tests/buildtest
@@ -0,0 +1,1735 @@
+#!/bin/sh
+# autopkgtest check
+# (C) 2014 Anton Gladky
+
+set -e
+
+export OMPI_MCA_orte_rsh_agent=/bin/false
+
+WORKDIR=$(mktemp -d)
+trap "rm -rf $WORKDIR" 0 INT QUIT ABRT PIPE TERM
+cd $WORKDIR
+mkdir src
+cd src
+
+cat <<EOF > CMakeLists.txt
+project(plots CXX)
+cmake_minimum_required(VERSION 2.8)
+
+FIND_PACKAGE(QCustomPlot REQUIRED)
+FIND_PACKAGE(Qt5PrintSupport REQUIRED)
+set(CMAKE_MODULE_PATH "\${CMAKE_CURRENT_SOURCE_DIR}/cMake")
+
+INCLUDE(GNUInstallDirs)
+FIND_PACKAGE(Qt5Widgets REQUIRED)
+INCLUDE_DIRECTORIES(\${Qt5Widgets_INCLUDE_DIRS})
+INCLUDE_DIRECTORIES(\${CMAKE_CURRENT_BINARY_DIR} \${QCustomPlot_INCLUDE_DIR})
+ADD_DEFINITIONS(\${Qt5Widgets_DEFINITIONS} -DQCUSTOMPLOT_USE_LIBRARY)
+SET(CMAKE_AUTOMOC ON)
+
+QT5_WRAP_UI(UI_HEADERS mainwindow.ui)
+ADD_EXECUTABLE(plots main.cpp mainwindow.cpp \${UI_HEADERS})
+QT5_USE_MODULES(plots Widgets)
+
+TARGET_LINK_LIBRARIES(plots \${Qt5Widgets_LIBRARIES} \${QCustomPlot_LIBRARIES} Qt5::PrintSupport)
+INSTALL(TARGETS plots DESTINATION \${CMAKE_INSTALL_BINDIR})
+
+EOF
+
+cat <<EOF > main.cpp
+/***************************************************************************
+**                                                                        **
+**  QCustomPlot, an easy to use, modern plotting widget for Qt            **
+**  Copyright (C) 2011, 2012, 2013, 2014 Emanuel Eichhammer               **
+**                                                                        **
+**  This program 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.                                   **
+**                                                                        **
+**  This program 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 this program.  If not, see http://www.gnu.org/licenses/.   **
+**                                                                        **
+****************************************************************************
+**           Author: Emanuel Eichhammer                                   **
+**  Website/Contact: http://www.qcustomplot.com/                          **
+**             Date: 07.04.14                                             **
+**          Version: 1.2.1                                                **
+****************************************************************************/
+
+#include <QApplication>
+#include "mainwindow.h"
+
+int main(int argc, char *argv[])
+{
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+  QApplication::setGraphicsSystem("raster");
+#endif
+  QApplication a(argc, argv);
+  MainWindow w;
+  w.show();
+  
+  return a.exec();
+}
+EOF
+
+cat <<EOF > mainwindow.cpp
+/***************************************************************************
+**                                                                        **
+**  QCustomPlot, an easy to use, modern plotting widget for Qt            **
+**  Copyright (C) 2011, 2012, 2013, 2014 Emanuel Eichhammer               **
+**                                                                        **
+**  This program 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.                                   **
+**                                                                        **
+**  This program 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 this program.  If not, see http://www.gnu.org/licenses/.   **
+**                                                                        **
+****************************************************************************
+**           Author: Emanuel Eichhammer                                   **
+**  Website/Contact: http://www.qcustomplot.com/                          **
+**             Date: 07.04.14                                             **
+**          Version: 1.2.1                                                **
+****************************************************************************/
+
+/************************************************************************************************************
+**                                                                                                         **
+**  This is the example code for QCustomPlot.                                                              **
+**                                                                                                         **
+**  It demonstrates basic and some advanced capabilities of the widget. The interesting code is inside     **
+**  the "setup(...)Demo" functions of MainWindow.                                                          **
+**                                                                                                         **
+**  In order to see a demo in action, call the respective "setup(...)Demo" function inside the             **
+**  MainWindow constructor. Alternatively you may call setupDemo(i) where i is the index of the demo       **
+**  you want (for those, see MainWindow constructor comments). All other functions here are merely a       **
+**  way to easily create screenshots of all demos for the website. I.e. a timer is set to successively     **
+**  setup all the demos and make a screenshot of the window area and save it in the ./screenshots          **
+**  directory.                                                                                             **
+**                                                                                                         **
+*************************************************************************************************************/
+
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <QDebug>
+#include <QDesktopWidget>
+#include <QScreen>
+#include <QMessageBox>
+#include <QMetaEnum>
+
+MainWindow::MainWindow(QWidget *parent) :
+  QMainWindow(parent),
+  ui(new Ui::MainWindow)
+{
+  ui->setupUi(this);
+  setGeometry(400, 250, 542, 390);
+  
+  setupDemo(0);
+  //setupPlayground(ui->customPlot);
+  // 0:  setupQuadraticDemo(ui->customPlot);
+  // 1:  setupSimpleDemo(ui->customPlot);
+  // 2:  setupSincScatterDemo(ui->customPlot);
+  // 3:  setupScatterStyleDemo(ui->customPlot);
+  // 4:  setupScatterPixmapDemo(ui->customPlot);
+  // 5:  setupLineStyleDemo(ui->customPlot);
+  // 6:  setupDateDemo(ui->customPlot);
+  // 7:  setupTextureBrushDemo(ui->customPlot);
+  // 8:  setupMultiAxisDemo(ui->customPlot);
+  // 9:  setupLogarithmicDemo(ui->customPlot);
+  // 10: setupRealtimeDataDemo(ui->customPlot);
+  // 11: setupParametricCurveDemo(ui->customPlot);
+  // 12: setupBarChartDemo(ui->customPlot);
+  // 13: setupStatisticalDemo(ui->customPlot);
+  // 14: setupSimpleItemDemo(ui->customPlot);
+  // 15: setupItemDemo(ui->customPlot);
+  // 16: setupStyledDemo(ui->customPlot);
+  // 17: setupAdvancedAxesDemo(ui->customPlot);
+  // 18: setupColorMapDemo(ui->customPlot);
+  
+  // for making screenshots of the current demo or all demos (for website screenshots):
+  //QTimer::singleShot(1500, this, SLOT(allScreenShots()));
+  //QTimer::singleShot(4000, this, SLOT(screenShot()));
+}
+
+void MainWindow::setupDemo(int demoIndex)
+{
+  switch (demoIndex)
+  {
+    case 0:  setupQuadraticDemo(ui->customPlot); break;
+    case 1:  setupSimpleDemo(ui->customPlot); break;
+    case 2:  setupSincScatterDemo(ui->customPlot); break;
+    case 3:  setupScatterStyleDemo(ui->customPlot); break;
+    case 4:  setupScatterPixmapDemo(ui->customPlot); break;
+    case 5:  setupLineStyleDemo(ui->customPlot); break;
+    case 6:  setupDateDemo(ui->customPlot); break;
+    case 7:  setupTextureBrushDemo(ui->customPlot); break;
+    case 8:  setupMultiAxisDemo(ui->customPlot); break;
+    case 9:  setupLogarithmicDemo(ui->customPlot); break;
+    case 10: setupRealtimeDataDemo(ui->customPlot); break;
+    case 11: setupParametricCurveDemo(ui->customPlot); break;
+    case 12: setupBarChartDemo(ui->customPlot); break;
+    case 13: setupStatisticalDemo(ui->customPlot); break;
+    case 14: setupSimpleItemDemo(ui->customPlot); break;
+    case 15: setupItemDemo(ui->customPlot); break;
+    case 16: setupStyledDemo(ui->customPlot); break;
+    case 17: setupAdvancedAxesDemo(ui->customPlot); break;
+    case 18: setupColorMapDemo(ui->customPlot); break;
+  }
+  setWindowTitle("QCustomPlot: "+demoName);
+  statusBar()->clearMessage();
+  currentDemoIndex = demoIndex;
+  ui->customPlot->replot();
+}
+
+void MainWindow::setupQuadraticDemo(QCustomPlot *customPlot)
+{
+  demoName = "Quadratic Demo";
+  // generate some data:
+  QVector<double> x(101), y(101); // initialize with entries 0..100
+  for (int i=0; i<101; ++i)
+  {
+    x[i] = i/50.0 - 1; // x goes from -1 to 1
+    y[i] = x[i]*x[i];  // let's plot a quadratic function
+  }
+  // create graph and assign data to it:
+  customPlot->addGraph();
+  customPlot->graph(0)->setData(x, y);
+  // give the axes some labels:
+  customPlot->xAxis->setLabel("x");
+  customPlot->yAxis->setLabel("y");
+  // set axes ranges, so we see all data:
+  customPlot->xAxis->setRange(-1, 1);
+  customPlot->yAxis->setRange(0, 1);
+}
+
+void MainWindow::setupSimpleDemo(QCustomPlot *customPlot)
+{
+  demoName = "Simple Demo";
+  
+  // add two new graphs and set their look:
+  customPlot->addGraph();
+  customPlot->graph(0)->setPen(QPen(Qt::blue)); // line color blue for first graph
+  customPlot->graph(0)->setBrush(QBrush(QColor(0, 0, 255, 20))); // first graph will be filled with translucent blue
+  customPlot->addGraph();
+  customPlot->graph(1)->setPen(QPen(Qt::red)); // line color red for second graph
+  // generate some points of data (y0 for first, y1 for second graph):
+  QVector<double> x(250), y0(250), y1(250);
+  for (int i=0; i<250; ++i)
+  {
+    x[i] = i;
+    y0[i] = exp(-i/150.0)*cos(i/10.0); // exponentially decaying cosine
+    y1[i] = exp(-i/150.0);             // exponential envelope
+  }
+  // configure right and top axis to show ticks but no labels:
+  // (see QCPAxisRect::setupFullAxesBox for a quicker method to do this)
+  customPlot->xAxis2->setVisible(true);
+  customPlot->xAxis2->setTickLabels(false);
+  customPlot->yAxis2->setVisible(true);
+  customPlot->yAxis2->setTickLabels(false);
+  // make left and bottom axes always transfer their ranges to right and top axes:
+  connect(customPlot->xAxis, SIGNAL(rangeChanged(QCPRange)), customPlot->xAxis2, SLOT(setRange(QCPRange)));
+  connect(customPlot->yAxis, SIGNAL(rangeChanged(QCPRange)), customPlot->yAxis2, SLOT(setRange(QCPRange)));
+  // pass data points to graphs:
+  customPlot->graph(0)->setData(x, y0);
+  customPlot->graph(1)->setData(x, y1);
+  // let the ranges scale themselves so graph 0 fits perfectly in the visible area:
+  customPlot->graph(0)->rescaleAxes();
+  // same thing for graph 1, but only enlarge ranges (in case graph 1 is smaller than graph 0):
+  customPlot->graph(1)->rescaleAxes(true);
+  // Note: we could have also just called customPlot->rescaleAxes(); instead
+  // Allow user to drag axis ranges with mouse, zoom with mouse wheel and select graphs by clicking:
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
+}
+
+void MainWindow::setupSincScatterDemo(QCustomPlot *customPlot)
+{
+  demoName = "Sinc Scatter Demo";
+  customPlot->legend->setVisible(true);
+  customPlot->legend->setFont(QFont("Helvetica",9));
+  // set locale to english, so we get english decimal separator:
+  customPlot->setLocale(QLocale(QLocale::English, QLocale::UnitedKingdom));
+  // add confidence band graphs:
+  customPlot->addGraph();
+  QPen pen;
+  pen.setStyle(Qt::DotLine);
+  pen.setWidth(1);
+  pen.setColor(QColor(180,180,180));
+  customPlot->graph(0)->setName("Confidence Band 68%");
+  customPlot->graph(0)->setPen(pen);
+  customPlot->graph(0)->setBrush(QBrush(QColor(255,50,30,20)));
+  customPlot->addGraph();
+  customPlot->legend->removeItem(customPlot->legend->itemCount()-1); // don't show two confidence band graphs in legend
+  customPlot->graph(1)->setPen(pen);
+  customPlot->graph(0)->setChannelFillGraph(customPlot->graph(1));
+  // add theory curve graph:
+  customPlot->addGraph();
+  pen.setStyle(Qt::DashLine);
+  pen.setWidth(2);
+  pen.setColor(Qt::red);
+  customPlot->graph(2)->setPen(pen);
+  customPlot->graph(2)->setName("Theory Curve");
+  // add data point graph:
+  customPlot->addGraph();
+  customPlot->graph(3)->setPen(QPen(Qt::blue));
+  customPlot->graph(3)->setLineStyle(QCPGraph::lsNone);
+  customPlot->graph(3)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCross, 4));
+  customPlot->graph(3)->setErrorType(QCPGraph::etValue);
+  customPlot->graph(3)->setErrorPen(QPen(QColor(180,180,180)));
+  customPlot->graph(3)->setName("Measurement");
+
+  // generate ideal sinc curve data and some randomly perturbed data for scatter plot:
+  QVector<double> x0(250), y0(250);
+  QVector<double> yConfUpper(250), yConfLower(250);
+  for (int i=0; i<250; ++i)
+  {
+    x0[i] = (i/249.0-0.5)*30+0.01; // by adding a small offset we make sure not do divide by zero in next code line
+    y0[i] = sin(x0[i])/x0[i]; // sinc function
+    yConfUpper[i] = y0[i]+0.15;
+    yConfLower[i] = y0[i]-0.15;
+    x0[i] *= 1000;
+  }
+  QVector<double> x1(50), y1(50), y1err(50);
+  for (int i=0; i<50; ++i)
+  {
+    // generate a gaussian distributed random number:
+    double tmp1 = rand()/(double)RAND_MAX;
+    double tmp2 = rand()/(double)RAND_MAX;
+    double r = sqrt(-2*log(tmp1))*cos(2*M_PI*tmp2); // box-muller transform for gaussian distribution
+    // set y1 to value of y0 plus a random gaussian pertubation:
+    x1[i] = (i/50.0-0.5)*30+0.25;
+    y1[i] = sin(x1[i])/x1[i]+r*0.15;
+    x1[i] *= 1000;
+    y1err[i] = 0.15;
+  }
+  // pass data to graphs and let QCustomPlot determine the axes ranges so the whole thing is visible:
+  customPlot->graph(0)->setData(x0, yConfUpper);
+  customPlot->graph(1)->setData(x0, yConfLower);
+  customPlot->graph(2)->setData(x0, y0);
+  customPlot->graph(3)->setDataValueError(x1, y1, y1err);
+  customPlot->graph(2)->rescaleAxes();
+  customPlot->graph(3)->rescaleAxes(true);
+  // setup look of bottom tick labels:
+  customPlot->xAxis->setTickLabelRotation(30);
+  customPlot->xAxis->setAutoTickCount(9);
+  customPlot->xAxis->setNumberFormat("ebc");
+  customPlot->xAxis->setNumberPrecision(1);
+  customPlot->xAxis->moveRange(-10);
+  // make top right axes clones of bottom left axes. Looks prettier:
+  customPlot->axisRect()->setupFullAxesBox();
+}
+
+void MainWindow::setupScatterStyleDemo(QCustomPlot *customPlot)
+{
+  demoName = "Scatter Style Demo";
+  customPlot->legend->setVisible(true);
+  customPlot->legend->setFont(QFont("Helvetica", 9));
+  customPlot->legend->setRowSpacing(-3);
+  QVector<QCPScatterStyle::ScatterShape> shapes;
+  shapes << QCPScatterStyle::ssCross;
+  shapes << QCPScatterStyle::ssPlus;
+  shapes << QCPScatterStyle::ssCircle;
+  shapes << QCPScatterStyle::ssDisc;
+  shapes << QCPScatterStyle::ssSquare;
+  shapes << QCPScatterStyle::ssDiamond;
+  shapes << QCPScatterStyle::ssStar;
+  shapes << QCPScatterStyle::ssTriangle;
+  shapes << QCPScatterStyle::ssTriangleInverted;
+  shapes << QCPScatterStyle::ssCrossSquare;
+  shapes << QCPScatterStyle::ssPlusSquare;
+  shapes << QCPScatterStyle::ssCrossCircle;
+  shapes << QCPScatterStyle::ssPlusCircle;
+  shapes << QCPScatterStyle::ssPeace;
+  shapes << QCPScatterStyle::ssCustom;
+
+  QPen pen;
+  // add graphs with different scatter styles:
+  for (int i=0; i<shapes.size(); ++i)
+  {
+    customPlot->addGraph();
+    pen.setColor(QColor(sin(i*0.3)*100+100, sin(i*0.6+0.7)*100+100, sin(i*0.4+0.6)*100+100));
+    // generate data:
+    QVector<double> x(10), y(10);
+    for (int k=0; k<10; ++k)
+    {
+      x[k] = k/10.0 * 4*3.14 + 0.01;
+      y[k] = 7*sin(x[k])/x[k] + (shapes.size()-i)*5;
+    }
+    customPlot->graph()->setData(x, y);
+    customPlot->graph()->rescaleAxes(true);
+    customPlot->graph()->setPen(pen);
+    customPlot->graph()->setName(QCPScatterStyle::staticMetaObject.enumerator(QCPScatterStyle::staticMetaObject.indexOfEnumerator("ScatterShape")).valueToKey(shapes.at(i)));
+    customPlot->graph()->setLineStyle(QCPGraph::lsLine);
+    // set scatter style:
+    if (shapes.at(i) != QCPScatterStyle::ssCustom)
+    {
+      customPlot->graph()->setScatterStyle(QCPScatterStyle(shapes.at(i), 10));
+    }
+    else
+    {
+      QPainterPath customScatterPath;
+      for (int i=0; i<3; ++i)
+        customScatterPath.cubicTo(qCos(2*M_PI*i/3.0)*9, qSin(2*M_PI*i/3.0)*9, qCos(2*M_PI*(i+0.9)/3.0)*9, qSin(2*M_PI*(i+0.9)/3.0)*9, 0, 0);
+      customPlot->graph()->setScatterStyle(QCPScatterStyle(customScatterPath, QPen(), QColor(40, 70, 255, 50), 10));
+    }
+  }
+  // set blank axis lines:
+  customPlot->rescaleAxes();
+  customPlot->xAxis->setTicks(false);
+  customPlot->yAxis->setTicks(false);
+  customPlot->xAxis->setTickLabels(false);
+  customPlot->yAxis->setTickLabels(false);
+  // make top right axes clones of bottom left axes:
+  customPlot->axisRect()->setupFullAxesBox();
+}
+
+void MainWindow::setupLineStyleDemo(QCustomPlot *customPlot)
+{
+  demoName = "Line Style Demo";
+  customPlot->legend->setVisible(true);
+  customPlot->legend->setFont(QFont("Helvetica", 9));
+  QPen pen;
+  QStringList lineNames;
+  lineNames << "lsNone" << "lsLine" << "lsStepLeft" << "lsStepRight"
+               << "lsStepCenter" << "lsImpulse";
+  // add graphs with different line styles:
+  for (int i=QCPGraph::lsNone; i<=QCPGraph::lsImpulse; ++i)
+  {
+    customPlot->addGraph();
+    pen.setColor(QColor(sin(i*1+1.2)*80+80, sin(i*0.3+0)*80+80, sin(i*0.3+1.5)*80+80));
+    customPlot->graph()->setPen(pen);
+    customPlot->graph()->setName(lineNames.at(i-QCPGraph::lsNone));
+    customPlot->graph()->setLineStyle((QCPGraph::LineStyle)i);
+    customPlot->graph()->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, 5));
+    // generate data:
+    QVector<double> x(15), y(15);
+    for (int j=0; j<15; ++j)
+    {
+      x[j] = j/15.0 * 5*3.14 + 0.01;
+      y[j] = 7*sin(x[j])/x[j] - (i-QCPGraph::lsNone)*5 + (QCPGraph::lsImpulse)*5 + 2;
+    }
+    customPlot->graph()->setData(x, y);
+    customPlot->graph()->rescaleAxes(true);
+  }
+  // zoom out a bit:
+  customPlot->yAxis->scaleRange(1.1, customPlot->yAxis->range().center());
+  customPlot->xAxis->scaleRange(1.1, customPlot->xAxis->range().center());
+  // set blank axis lines:
+  customPlot->xAxis->setTicks(false);
+  customPlot->yAxis->setTicks(true);
+  customPlot->xAxis->setTickLabels(false);
+  customPlot->yAxis->setTickLabels(true);
+  // make top right axes clones of bottom left axes:
+  customPlot->axisRect()->setupFullAxesBox();
+}
+
+void MainWindow::setupScatterPixmapDemo(QCustomPlot *customPlot)
+{
+  demoName = "Scatter Pixmap Demo";
+  customPlot->axisRect()->setBackground(QPixmap("./solarpanels.jpg"));
+  customPlot->addGraph();
+  customPlot->graph()->setLineStyle(QCPGraph::lsLine);
+  QPen pen;
+  pen.setColor(QColor(255, 200, 20, 200));
+  pen.setStyle(Qt::DashLine);
+  pen.setWidthF(2.5);
+  customPlot->graph()->setPen(pen);
+  customPlot->graph()->setBrush(QBrush(QColor(255,200,20,70)));
+  customPlot->graph()->setScatterStyle(QCPScatterStyle(QPixmap("./sun.png")));
+  // set graph name, will show up in legend next to icon:
+  customPlot->graph()->setName("Data from Photovoltaic\nenergy barometer 2011");
+  // set data:
+  QVector<double> year, value;
+  year  << 2005 << 2006 << 2007 << 2008  << 2009  << 2010;
+  value << 2.17 << 3.42 << 4.94 << 10.38 << 15.86 << 29.33;
+  customPlot->graph()->setData(year, value);
+
+  // set title of plot:
+  customPlot->plotLayout()->insertRow(0);
+  customPlot->plotLayout()->addElement(0, 0, new QCPPlotTitle(customPlot, "Regenerative Energies"));
+  // set a fixed tick-step to one tick per year value:
+  customPlot->xAxis->setAutoTickStep(false);
+  customPlot->xAxis->setTickStep(1);
+  customPlot->xAxis->setSubTickCount(3);
+  // other axis configurations:
+  customPlot->xAxis->setLabel("Year");
+  customPlot->yAxis->setLabel("Installed Gigawatts of\nphotovoltaic in the European Union");
+  customPlot->xAxis2->setVisible(true);
+  customPlot->yAxis2->setVisible(true);
+  customPlot->xAxis2->setTickLabels(false);
+  customPlot->yAxis2->setTickLabels(false);
+  customPlot->xAxis2->setTicks(false);
+  customPlot->yAxis2->setTicks(false);
+  customPlot->xAxis2->setSubTickCount(0);
+  customPlot->yAxis2->setSubTickCount(0);
+  customPlot->xAxis->setRange(2004.5, 2010.5);
+  customPlot->yAxis->setRange(0, 30);
+  // setup legend:
+  customPlot->legend->setFont(QFont(font().family(), 7));
+  customPlot->legend->setIconSize(50, 20);
+  customPlot->legend->setVisible(true);
+}
+
+void MainWindow::setupDateDemo(QCustomPlot *customPlot)
+{
+  demoName = "Date Demo";
+  // set locale to english, so we get english month names:
+  customPlot->setLocale(QLocale(QLocale::English, QLocale::UnitedKingdom));
+  // seconds of current time, we'll use it as starting point in time for data:
+  double now = QDateTime::currentDateTime().toTime_t();
+  srand(8); // set the random seed, so we always get the same random data
+  // create multiple graphs:
+  for (int gi=0; gi<5; ++gi)
+  {
+    customPlot->addGraph();
+    QPen pen;
+    pen.setColor(QColor(0, 0, 255, 200));
+    customPlot->graph()->setLineStyle(QCPGraph::lsLine);
+    customPlot->graph()->setPen(pen);
+    customPlot->graph()->setBrush(QBrush(QColor(255/4.0*gi,160,50,150)));
+    // generate random walk data:
+    QVector<double> time(250), value(250);
+    for (int i=0; i<250; ++i)
+    {
+      time[i] = now + 24*3600*i;
+      if (i == 0)
+        value[i] = (i/50.0+1)*(rand()/(double)RAND_MAX-0.5);
+      else
+        value[i] = fabs(value[i-1])*(1+0.02/4.0*(4-gi)) + (i/50.0+1)*(rand()/(double)RAND_MAX-0.5);
+    }
+    customPlot->graph()->setData(time, value);
+  }
+  // configure bottom axis to show date and time instead of number:
+  customPlot->xAxis->setTickLabelType(QCPAxis::ltDateTime);
+  customPlot->xAxis->setDateTimeFormat("MMMM\nyyyy");
+  // set a more compact font size for bottom and left axis tick labels:
+  customPlot->xAxis->setTickLabelFont(QFont(QFont().family(), 8));
+  customPlot->yAxis->setTickLabelFont(QFont(QFont().family(), 8));
+  // set a fixed tick-step to one tick per month:
+  customPlot->xAxis->setAutoTickStep(false);
+  customPlot->xAxis->setTickStep(2628000); // one month in seconds
+  customPlot->xAxis->setSubTickCount(3);
+  // apply manual tick and tick label for left axis:
+  customPlot->yAxis->setAutoTicks(false);
+  customPlot->yAxis->setAutoTickLabels(false);
+  customPlot->yAxis->setTickVector(QVector<double>() << 5 << 55);
+  customPlot->yAxis->setTickVectorLabels(QVector<QString>() << "Not so\nhigh" << "Very\nhigh");
+  // set axis labels:
+  customPlot->xAxis->setLabel("Date");
+  customPlot->yAxis->setLabel("Random wobbly lines value");
+  // make top and right axes visible but without ticks and labels:
+  customPlot->xAxis2->setVisible(true);
+  customPlot->yAxis2->setVisible(true);
+  customPlot->xAxis2->setTicks(false);
+  customPlot->yAxis2->setTicks(false);
+  customPlot->xAxis2->setTickLabels(false);
+  customPlot->yAxis2->setTickLabels(false);
+  // set axis ranges to show all data:
+  customPlot->xAxis->setRange(now, now+24*3600*249);
+  customPlot->yAxis->setRange(0, 60);
+  // show legend:
+  customPlot->legend->setVisible(true);
+}
+
+void MainWindow::setupTextureBrushDemo(QCustomPlot *customPlot)
+{
+  demoName = "Texture Brush Demo";
+  // add two graphs with a textured fill:
+  customPlot->addGraph();
+  QPen redDotPen;
+  redDotPen.setStyle(Qt::DotLine);
+  redDotPen.setColor(QColor(170, 100, 100, 180));
+  redDotPen.setWidthF(2);
+  customPlot->graph(0)->setPen(redDotPen);
+  customPlot->graph(0)->setBrush(QBrush(QPixmap("./balboa.jpg"))); // fill with texture of specified image
+  
+  customPlot->addGraph();
+  customPlot->graph(1)->setPen(QPen(Qt::red));
+  
+  // activate channel fill for graph 0 towards graph 1:
+  customPlot->graph(0)->setChannelFillGraph(customPlot->graph(1));
+  
+  // generate data:
+  QVector<double> x(250);
+  QVector<double> y0(250), y1(250);
+  for (int i=0; i<250; ++i)
+  {
+    // just playing with numbers, not much to learn here
+    x[i] = 3*i/250.0;
+    y0[i] = 1+exp(-x[i]*x[i]*0.8)*(x[i]*x[i]+x[i]);
+    y1[i] = 1-exp(-x[i]*x[i]*0.4)*(x[i]*x[i])*0.1;
+  }
+  
+  // pass data points to graphs:
+  customPlot->graph(0)->setData(x, y0);
+  customPlot->graph(1)->setData(x, y1);
+  // activate top and right axes, which are invisible by default:
+  customPlot->xAxis2->setVisible(true);
+  customPlot->yAxis2->setVisible(true);
+  // make tick labels invisible on top and right axis:
+  customPlot->xAxis2->setTickLabels(false);
+  customPlot->yAxis2->setTickLabels(false);
+  // set ranges:
+  customPlot->xAxis->setRange(0, 2.5);
+  customPlot->yAxis->setRange(0.9, 1.6);
+  // assign top/right axes same properties as bottom/left:
+  customPlot->axisRect()->setupFullAxesBox();
+}
+
+void MainWindow::setupMultiAxisDemo(QCustomPlot *customPlot)
+{
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+  demoName = "Multi Axis Demo";
+  
+  customPlot->setLocale(QLocale(QLocale::English, QLocale::UnitedKingdom)); // period as decimal separator and comma as thousand separator
+  customPlot->legend->setVisible(true);
+  QFont legendFont = font();  // start out with MainWindow's font..
+  legendFont.setPointSize(9); // and make a bit smaller for legend
+  customPlot->legend->setFont(legendFont);
+  customPlot->legend->setBrush(QBrush(QColor(255,255,255,230)));
+  // by default, the legend is in the inset layout of the main axis rect. So this is how we access it to change legend placement:
+  customPlot->axisRect()->insetLayout()->setInsetAlignment(0, Qt::AlignBottom|Qt::AlignRight);
+  
+  // setup for graph 0: key axis left, value axis bottom
+  // will contain left maxwell-like function
+  customPlot->addGraph(customPlot->yAxis, customPlot->xAxis);
+  customPlot->graph(0)->setPen(QPen(QColor(255, 100, 0)));
+  customPlot->graph(0)->setBrush(QBrush(QPixmap("./balboa.jpg"))); // fill with texture of specified image
+  customPlot->graph(0)->setLineStyle(QCPGraph::lsLine);
+  customPlot->graph(0)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssDisc, 5));
+  customPlot->graph(0)->setName("Left maxwell function");
+  
+  // setup for graph 1: key axis bottom, value axis left (those are the default axes)
+  // will contain bottom maxwell-like function
+  customPlot->addGraph();
+  customPlot->graph(1)->setPen(QPen(Qt::red));
+  customPlot->graph(1)->setBrush(QBrush(QPixmap("./balboa.jpg"))); // same fill as we used for graph 0
+  customPlot->graph(1)->setLineStyle(QCPGraph::lsStepCenter);
+  customPlot->graph(1)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, Qt::red, Qt::white, 7));
+  customPlot->graph(1)->setErrorType(QCPGraph::etValue);
+  customPlot->graph(1)->setName("Bottom maxwell function");
+  
+  // setup for graph 2: key axis top, value axis right
+  // will contain high frequency sine with low frequency beating:
+  customPlot->addGraph(customPlot->xAxis2, customPlot->yAxis2);
+  customPlot->graph(2)->setPen(QPen(Qt::blue));
+  customPlot->graph(2)->setName("High frequency sine");
+  
+  // setup for graph 3: same axes as graph 2
+  // will contain low frequency beating envelope of graph 2
+  customPlot->addGraph(customPlot->xAxis2, customPlot->yAxis2);
+  QPen blueDotPen;
+  blueDotPen.setColor(QColor(30, 40, 255, 150));
+  blueDotPen.setStyle(Qt::DotLine);
+  blueDotPen.setWidthF(4);
+  customPlot->graph(3)->setPen(blueDotPen);
+  customPlot->graph(3)->setName("Sine envelope");
+  
+  // setup for graph 4: key axis right, value axis top
+  // will contain parabolically distributed data points with some random perturbance
+  customPlot->addGraph(customPlot->yAxis2, customPlot->xAxis2);
+  customPlot->graph(4)->setPen(QColor(50, 50, 50, 255));
+  customPlot->graph(4)->setLineStyle(QCPGraph::lsNone);
+  customPlot->graph(4)->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, 4));
+  customPlot->graph(4)->setName("Some random data around\na quadratic function");
+  
+  // generate data, just playing with numbers, not much to learn here:
+  QVector<double> x0(25), y0(25);
+  QVector<double> x1(15), y1(15), y1err(15);
+  QVector<double> x2(250), y2(250);
+  QVector<double> x3(250), y3(250);
+  QVector<double> x4(250), y4(250);
+  for (int i=0; i<25; ++i) // data for graph 0
+  {
+    x0[i] = 3*i/25.0;
+    y0[i] = exp(-x0[i]*x0[i]*0.8)*(x0[i]*x0[i]+x0[i]);
+  }
+  for (int i=0; i<15; ++i) // data for graph 1
+  {
+    x1[i] = 3*i/15.0;;
+    y1[i] = exp(-x1[i]*x1[i])*(x1[i]*x1[i])*2.6;
+    y1err[i] = y1[i]*0.25;
+  }
+  for (int i=0; i<250; ++i) // data for graphs 2, 3 and 4
+  {
+    x2[i] = i/250.0*3*M_PI;
+    x3[i] = x2[i];
+    x4[i] = i/250.0*100-50;
+    y2[i] = sin(x2[i]*12)*cos(x2[i])*10;
+    y3[i] = cos(x3[i])*10;
+    y4[i] = 0.01*x4[i]*x4[i] + 1.5*(rand()/(double)RAND_MAX-0.5) + 1.5*M_PI;
+  }
+  
+  // pass data points to graphs:
+  customPlot->graph(0)->setData(x0, y0);
+  customPlot->graph(1)->setDataValueError(x1, y1, y1err);
+  customPlot->graph(2)->setData(x2, y2);
+  customPlot->graph(3)->setData(x3, y3);
+  customPlot->graph(4)->setData(x4, y4);
+  // activate top and right axes, which are invisible by default:
+  customPlot->xAxis2->setVisible(true);
+  customPlot->yAxis2->setVisible(true);
+  // set ranges appropriate to show data:
+  customPlot->xAxis->setRange(0, 2.7);
+  customPlot->yAxis->setRange(0, 2.6);
+  customPlot->xAxis2->setRange(0, 3.0*M_PI);
+  customPlot->yAxis2->setRange(-70, 35);
+  // set pi ticks on top axis:
+  QVector<double> piTicks;
+  QVector<QString> piLabels;
+  piTicks << 0  << 0.5*M_PI << M_PI << 1.5*M_PI << 2*M_PI << 2.5*M_PI << 3*M_PI;
+  piLabels << "0" << QString::fromUtf8("½π") << QString::fromUtf8("π") << QString::fromUtf8("1½π") << QString::fromUtf8("2π") << QString::fromUtf8("2½π") << QString::fromUtf8("3π");
+  customPlot->xAxis2->setAutoTicks(false);
+  customPlot->xAxis2->setAutoTickLabels(false);
+  customPlot->xAxis2->setTickVector(piTicks);
+  customPlot->xAxis2->setTickVectorLabels(piLabels);
+  // add title layout element:
+  customPlot->plotLayout()->insertRow(0);
+  customPlot->plotLayout()->addElement(0, 0, new QCPPlotTitle(customPlot, "Way too many graphs in one plot"));
+  // set labels:
+  customPlot->xAxis->setLabel("Bottom axis with outward ticks");
+  customPlot->yAxis->setLabel("Left axis label");
+  customPlot->xAxis2->setLabel("Top axis label");
+  customPlot->yAxis2->setLabel("Right axis label");
+  // make ticks on bottom axis go outward:
+  customPlot->xAxis->setTickLength(0, 5);
+  customPlot->xAxis->setSubTickLength(0, 3);
+  // make ticks on right axis go inward and outward:
+  customPlot->yAxis2->setTickLength(3, 3);
+  customPlot->yAxis2->setSubTickLength(1, 1);
+}
+
+void MainWindow::setupLogarithmicDemo(QCustomPlot *customPlot)
+{
+  demoName = "Logarithmic Demo";
+  customPlot->setNoAntialiasingOnDrag(true); // more performance/responsiveness during dragging
+  customPlot->addGraph();
+  QPen pen;
+  pen.setColor(QColor(255,170,100));
+  pen.setWidth(2);
+  pen.setStyle(Qt::DotLine);
+  customPlot->graph(0)->setPen(pen);
+  customPlot->graph(0)->setName("x");
+  
+  customPlot->addGraph();
+  customPlot->graph(1)->setPen(QPen(Qt::red));
+  customPlot->graph(1)->setBrush(QBrush(QColor(255, 0, 0, 20)));
+  customPlot->graph(1)->setErrorType(QCPGraph::etBoth);
+  customPlot->graph(1)->setName("-sin(x)exp(x)");
+  
+  customPlot->addGraph();
+  customPlot->graph(2)->setPen(QPen(Qt::blue));
+  customPlot->graph(2)->setBrush(QBrush(QColor(0, 0, 255, 20)));
+  customPlot->graph(2)->setName(" sin(x)exp(x)");
+  
+  customPlot->addGraph();
+  pen.setColor(QColor(0,0,0));
+  pen.setWidth(1);
+  pen.setStyle(Qt::DashLine);
+  customPlot->graph(3)->setPen(pen);
+  customPlot->graph(3)->setBrush(QBrush(QColor(0,0,0,15)));
+  customPlot->graph(3)->setLineStyle(QCPGraph::lsStepCenter);
+  customPlot->graph(3)->setName("x!");
+  
+  QVector<double> x0(200), y0(200);
+  QVector<double> x1(200), y1(200);
+  QVector<double> x2(200), y2(200);
+  QVector<double> x3(21), y3(21);
+  for (int i=0; i<200; ++i)
+  {
+    x0[i] = i/10.0;
+    y0[i] = x0[i];
+    x1[i] = i/10.0;
+    y1[i] = -sin(x1[i])*exp(x1[i]);
+    x2[i] = i/10.0;
+    y2[i] = sin(x2[i])*exp(x2[i]);
+  }
+  for (int i=0; i<21; ++i)
+  {
+    x3[i] = i;
+    y3[i] = 1;
+    for (int k=1; k<=i; ++k) y3[i] *= k; // factorial
+  }
+  customPlot->graph(0)->setData(x0, y0);
+  customPlot->graph(1)->setData(x1, y1);
+  customPlot->graph(2)->setData(x2, y2);
+  customPlot->graph(3)->setData(x3, y3);
+
+  customPlot->yAxis->grid()->setSubGridVisible(true);
+  customPlot->xAxis->grid()->setSubGridVisible(true);
+  customPlot->yAxis->setScaleType(QCPAxis::stLogarithmic);
+  customPlot->yAxis->setScaleLogBase(100);
+  customPlot->yAxis->setNumberFormat("eb"); // e = exponential, b = beautiful decimal powers
+  customPlot->yAxis->setNumberPrecision(0); // makes sure "1*10^4" is displayed only as "10^4"
+  customPlot->yAxis->setSubTickCount(10);
+  customPlot->xAxis->setRange(0, 19.9);
+  customPlot->yAxis->setRange(1e-2, 1e10);
+  // make range draggable and zoomable:
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+  
+  // make top right axes clones of bottom left axes:
+  customPlot->axisRect()->setupFullAxesBox();
+  // connect signals so top and right axes move in sync with bottom and left axes:
+  connect(customPlot->xAxis, SIGNAL(rangeChanged(QCPRange)), customPlot->xAxis2, SLOT(setRange(QCPRange)));
+  connect(customPlot->yAxis, SIGNAL(rangeChanged(QCPRange)), customPlot->yAxis2, SLOT(setRange(QCPRange)));
+  
+  customPlot->legend->setVisible(true);
+  customPlot->legend->setBrush(QBrush(QColor(255,255,255,150)));
+  customPlot->axisRect()->insetLayout()->setInsetAlignment(0, Qt::AlignLeft|Qt::AlignTop); // make legend align in top left corner or axis rect
+}
+
+void MainWindow::setupRealtimeDataDemo(QCustomPlot *customPlot)
+{
+#if QT_VERSION < QT_VERSION_CHECK(4, 7, 0)
+  QMessageBox::critical(this, "", "You're using Qt < 4.7, the realtime data demo needs functions that are available with Qt 4.7 to work properly");
+#endif
+  demoName = "Real Time Data Demo";
+  
+  // include this section to fully disable antialiasing for higher performance:
+  /*
+  customPlot->setNotAntialiasedElements(QCP::aeAll);
+  QFont font;
+  font.setStyleStrategy(QFont::NoAntialias);
+  customPlot->xAxis->setTickLabelFont(font);
+  customPlot->yAxis->setTickLabelFont(font);
+  customPlot->legend->setFont(font);
+  */
+  customPlot->addGraph(); // blue line
+  customPlot->graph(0)->setPen(QPen(Qt::blue));
+  customPlot->graph(0)->setBrush(QBrush(QColor(240, 255, 200)));
+  customPlot->graph(0)->setAntialiasedFill(false);
+  customPlot->addGraph(); // red line
+  customPlot->graph(1)->setPen(QPen(Qt::red));
+  customPlot->graph(0)->setChannelFillGraph(customPlot->graph(1));
+  
+  customPlot->addGraph(); // blue dot
+  customPlot->graph(2)->setPen(QPen(Qt::blue));
+  customPlot->graph(2)->setLineStyle(QCPGraph::lsNone);
+  customPlot->graph(2)->setScatterStyle(QCPScatterStyle::ssDisc);
+  customPlot->addGraph(); // red dot
+  customPlot->graph(3)->setPen(QPen(Qt::red));
+  customPlot->graph(3)->setLineStyle(QCPGraph::lsNone);
+  customPlot->graph(3)->setScatterStyle(QCPScatterStyle::ssDisc);
+  
+  customPlot->xAxis->setTickLabelType(QCPAxis::ltDateTime);
+  customPlot->xAxis->setDateTimeFormat("hh:mm:ss");
+  customPlot->xAxis->setAutoTickStep(false);
+  customPlot->xAxis->setTickStep(2);
+  customPlot->axisRect()->setupFullAxesBox();
+  
+  // make left and bottom axes transfer their ranges to right and top axes:
+  connect(customPlot->xAxis, SIGNAL(rangeChanged(QCPRange)), customPlot->xAxis2, SLOT(setRange(QCPRange)));
+  connect(customPlot->yAxis, SIGNAL(rangeChanged(QCPRange)), customPlot->yAxis2, SLOT(setRange(QCPRange)));
+  
+  // setup a timer that repeatedly calls MainWindow::realtimeDataSlot:
+  connect(&dataTimer, SIGNAL(timeout()), this, SLOT(realtimeDataSlot()));
+  dataTimer.start(0); // Interval 0 means to refresh as fast as possible
+}
+
+void MainWindow::setupParametricCurveDemo(QCustomPlot *customPlot)
+{
+  demoName = "Parametric Curves Demo";
+  
+  // create empty curve objects and add them to customPlot:
+  QCPCurve *fermatSpiral1 = new QCPCurve(customPlot->xAxis, customPlot->yAxis);
+  QCPCurve *fermatSpiral2 = new QCPCurve(customPlot->xAxis, customPlot->yAxis);
+  QCPCurve *deltoidRadial = new QCPCurve(customPlot->xAxis, customPlot->yAxis);
+  customPlot->addPlottable(fermatSpiral1);
+  customPlot->addPlottable(fermatSpiral2);
+  customPlot->addPlottable(deltoidRadial);
+  // generate the curve data points:
+  int pointCount = 500;
+  QVector<double> x1(pointCount), y1(pointCount);
+  QVector<double> x2(pointCount), y2(pointCount);
+  QVector<double> x3(pointCount), y3(pointCount);
+  for (int i=0; i<pointCount; ++i)
+  {
+    double phi = (i/(double)(pointCount-1))*8*M_PI;
+    x1[i] = sqrt(phi)*cos(phi);
+    y1[i] = sqrt(phi)*sin(phi);
+    x2[i] = -x1[i];
+    y2[i] = -y1[i];
+    double t = i/(double)(pointCount-1)*2*M_PI;
+    x3[i] = 2*cos(2*t)+cos(1*t)+2*sin(t);
+    y3[i] = 2*sin(2*t)-sin(1*t);
+  }
+  // pass the data to the curves:
+  fermatSpiral1->setData(x1, y1);
+  fermatSpiral2->setData(x2, y2);
+  deltoidRadial->setData(x3, y3);
+  // color the curves:
+  fermatSpiral1->setPen(QPen(Qt::blue));
+  fermatSpiral1->setBrush(QBrush(QColor(0, 0, 255, 20)));
+  fermatSpiral2->setPen(QPen(QColor(255, 120, 0)));
+  fermatSpiral2->setBrush(QBrush(QColor(255, 120, 0, 30)));
+  QRadialGradient radialGrad(QPointF(310, 180), 200);
+  radialGrad.setColorAt(0, QColor(170, 20, 240, 100));
+  radialGrad.setColorAt(0.5, QColor(20, 10, 255, 40));
+  radialGrad.setColorAt(1,QColor(120, 20, 240, 10));
+  deltoidRadial->setPen(QPen(QColor(170, 20, 240)));
+  deltoidRadial->setBrush(QBrush(radialGrad));
+  // set some basic customPlot config:
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables);
+  customPlot->axisRect()->setupFullAxesBox();
+  customPlot->rescaleAxes();
+}
+
+void MainWindow::setupBarChartDemo(QCustomPlot *customPlot)
+{
+  demoName = "Bar Chart Demo";
+  // create empty bar chart objects:
+  QCPBars *regen = new QCPBars(customPlot->xAxis, customPlot->yAxis);
+  QCPBars *nuclear = new QCPBars(customPlot->xAxis, customPlot->yAxis);
+  QCPBars *fossil = new QCPBars(customPlot->xAxis, customPlot->yAxis);
+  customPlot->addPlottable(regen);
+  customPlot->addPlottable(nuclear);
+  customPlot->addPlottable(fossil);
+  // set names and colors:
+  QPen pen;
+  pen.setWidthF(1.2);
+  fossil->setName("Fossil fuels");
+  pen.setColor(QColor(255, 131, 0));
+  fossil->setPen(pen);
+  fossil->setBrush(QColor(255, 131, 0, 50));
+  nuclear->setName("Nuclear");
+  pen.setColor(QColor(1, 92, 191));
+  nuclear->setPen(pen);
+  nuclear->setBrush(QColor(1, 92, 191, 50));
+  regen->setName("Regenerative");
+  pen.setColor(QColor(150, 222, 0));
+  regen->setPen(pen);
+  regen->setBrush(QColor(150, 222, 0, 70));
+  // stack bars ontop of each other:
+  nuclear->moveAbove(fossil);
+  regen->moveAbove(nuclear);
+  
+  // prepare x axis with country labels:
+  QVector<double> ticks;
+  QVector<QString> labels;
+  ticks << 1 << 2 << 3 << 4 << 5 << 6 << 7;
+  labels << "USA" << "Japan" << "Germany" << "France" << "UK" << "Italy" << "Canada";
+  customPlot->xAxis->setAutoTicks(false);
+  customPlot->xAxis->setAutoTickLabels(false);
+  customPlot->xAxis->setTickVector(ticks);
+  customPlot->xAxis->setTickVectorLabels(labels);
+  customPlot->xAxis->setTickLabelRotation(60);
+  customPlot->xAxis->setSubTickCount(0);
+  customPlot->xAxis->setTickLength(0, 4);
+  customPlot->xAxis->grid()->setVisible(true);
+  customPlot->xAxis->setRange(0, 8);
+  
+  // prepare y axis:
+  customPlot->yAxis->setRange(0, 12.1);
+  customPlot->yAxis->setPadding(5); // a bit more space to the left border
+  customPlot->yAxis->setLabel("Power Consumption in\nKilowatts per Capita (2007)");
+  customPlot->yAxis->grid()->setSubGridVisible(true);
+  QPen gridPen;
+  gridPen.setStyle(Qt::SolidLine);
+  gridPen.setColor(QColor(0, 0, 0, 25));
+  customPlot->yAxis->grid()->setPen(gridPen);
+  gridPen.setStyle(Qt::DotLine);
+  customPlot->yAxis->grid()->setSubGridPen(gridPen);
+  
+  // Add data:
+  QVector<double> fossilData, nuclearData, regenData;
+  fossilData  << 0.86*10.5 << 0.83*5.5 << 0.84*5.5 << 0.52*5.8 << 0.89*5.2 << 0.90*4.2 << 0.67*11.2;
+  nuclearData << 0.08*10.5 << 0.12*5.5 << 0.12*5.5 << 0.40*5.8 << 0.09*5.2 << 0.00*4.2 << 0.07*11.2;
+  regenData   << 0.06*10.5 << 0.05*5.5 << 0.04*5.5 << 0.06*5.8 << 0.02*5.2 << 0.07*4.2 << 0.25*11.2;
+  fossil->setData(ticks, fossilData);
+  nuclear->setData(ticks, nuclearData);
+  regen->setData(ticks, regenData);
+  
+  // setup legend:
+  customPlot->legend->setVisible(true);
+  customPlot->axisRect()->insetLayout()->setInsetAlignment(0, Qt::AlignTop|Qt::AlignHCenter);
+  customPlot->legend->setBrush(QColor(255, 255, 255, 200));
+  QPen legendPen;
+  legendPen.setColor(QColor(130, 130, 130, 200));
+  customPlot->legend->setBorderPen(legendPen);
+  QFont legendFont = font();
+  legendFont.setPointSize(10);
+  customPlot->legend->setFont(legendFont);
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+}
+
+void MainWindow::setupStatisticalDemo(QCustomPlot *customPlot)
+{
+  demoName = "Statistical Demo";
+  // create empty statistical box plottables:
+  QCPStatisticalBox *sample1 = new QCPStatisticalBox(customPlot->xAxis, customPlot->yAxis);
+  QCPStatisticalBox *sample2 = new QCPStatisticalBox(customPlot->xAxis, customPlot->yAxis);
+  QCPStatisticalBox *sample3 = new QCPStatisticalBox(customPlot->xAxis, customPlot->yAxis);
+  customPlot->addPlottable(sample1);
+  customPlot->addPlottable(sample2);
+  customPlot->addPlottable(sample3);
+  QBrush boxBrush(QColor(60, 60, 255, 100));
+  boxBrush.setStyle(Qt::Dense6Pattern); // make it look oldschool
+  sample1->setBrush(boxBrush);
+  sample2->setBrush(boxBrush);
+  sample3->setBrush(boxBrush);
+  
+  // set data:
+  sample1->setKey(1);
+  sample1->setMinimum(1.1);
+  sample1->setLowerQuartile(1.9);
+  sample1->setMedian(2.25);
+  sample1->setUpperQuartile(2.7);
+  sample1->setMaximum(4.2);
+  
+  sample2->setKey(2);
+  sample2->setMinimum(0.8);
+  sample2->setLowerQuartile(1.6);
+  sample2->setMedian(2.2);
+  sample2->setUpperQuartile(3.2);
+  sample2->setMaximum(4.9);
+  sample2->setOutliers(QVector<double>() << 0.7 << 0.39 << 0.45 << 6.2 << 5.84);
+  
+  sample3->setKey(3);
+  sample3->setMinimum(0.2);
+  sample3->setLowerQuartile(0.7);
+  sample3->setMedian(1.1);
+  sample3->setUpperQuartile(1.6);
+  sample3->setMaximum(2.9);
+  
+  // prepare manual x axis labels:
+  customPlot->xAxis->setSubTickCount(0);
+  customPlot->xAxis->setTickLength(0, 4);
+  customPlot->xAxis->setTickLabelRotation(20);
+  customPlot->xAxis->setAutoTicks(false);
+  customPlot->xAxis->setAutoTickLabels(false);
+  customPlot->xAxis->setTickVector(QVector<double>() << 1 << 2 << 3);
+  customPlot->xAxis->setTickVectorLabels(QVector<QString>() << "Sample 1" << "Sample 2" << "Control Group");
+  
+  // prepare axes:
+  customPlot->yAxis->setLabel(QString::fromUtf8("O₂ Absorption [mg]"));
+  customPlot->rescaleAxes();
+  customPlot->xAxis->scaleRange(1.7, customPlot->xAxis->range().center());
+  customPlot->yAxis->setRange(0, 7);
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+}
+
+void MainWindow::setupSimpleItemDemo(QCustomPlot *customPlot)
+{
+  demoName = "Simple Item Demo";
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+  
+  // add the text label at the top:
+  QCPItemText *textLabel = new QCPItemText(customPlot);
+  customPlot->addItem(textLabel);
+  textLabel->setPositionAlignment(Qt::AlignTop|Qt::AlignHCenter);
+  textLabel->position->setType(QCPItemPosition::ptAxisRectRatio);
+  textLabel->position->setCoords(0.5, 0); // place position at center/top of axis rect
+  textLabel->setText("Text Item Demo");
+  textLabel->setFont(QFont(font().family(), 16)); // make font a bit larger
+  textLabel->setPen(QPen(Qt::black)); // show black border around text
+  
+  // add the arrow:
+  QCPItemLine *arrow = new QCPItemLine(customPlot);
+  customPlot->addItem(arrow);
+  arrow->start->setParentAnchor(textLabel->bottom);
+  arrow->end->setCoords(4, 1.6); // point to (4, 1.6) in x-y-plot coordinates
+  arrow->setHead(QCPLineEnding::esSpikeArrow);
+}
+
+void MainWindow::setupItemDemo(QCustomPlot *customPlot)
+{
+#if QT_VERSION < QT_VERSION_CHECK(4, 7, 0)
+  QMessageBox::critical(this, "", "You're using Qt < 4.7, the animation of the item demo needs functions that are available with Qt 4.7 to work properly");
+#endif
+  
+  demoName = "Item Demo";
+  
+  customPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
+  QCPGraph *graph = customPlot->addGraph();
+  int n = 500;
+  double phase = 0;
+  double k = 3;
+  QVector<double> x(n), y(n);
+  for (int i=0; i<n; ++i)
+  {
+    x[i] = i/(double)(n-1)*34 - 17;
+    y[i] = qExp(-x[i]*x[i]/20.0)*qSin(k*x[i]+phase);
+  }
+  graph->setData(x, y);
+  graph->setPen(QPen(Qt::blue));
+  graph->rescaleKeyAxis();
+  customPlot->yAxis->setRange(-1.45, 1.65);
+  customPlot->xAxis->grid()->setZeroLinePen(Qt::NoPen);
+  
+  // add the bracket at the top:
+  QCPItemBracket *bracket = new QCPItemBracket(customPlot);
+  customPlot->addItem(bracket);
+  bracket->left->setCoords(-8, 1.1);
+  bracket->right->setCoords(8, 1.1);
+  bracket->setLength(13);
+  
+  // add the text label at the top:
+  QCPItemText *wavePacketText = new QCPItemText(customPlot);
+  customPlot->addItem(wavePacketText);
+  wavePacketText->position->setParentAnchor(bracket->center);
+  wavePacketText->position->setCoords(0, -10); // move 10 pixels to the top from bracket center anchor
+  wavePacketText->setPositionAlignment(Qt::AlignBottom|Qt::AlignHCenter);
+  wavePacketText->setText("Wavepacket");
+  wavePacketText->setFont(QFont(font().family(), 10));
+  
+  // add the phase tracer (red circle) which sticks to the graph data (and gets updated in bracketDataSlot by timer event):
+  QCPItemTracer *phaseTracer = new QCPItemTracer(customPlot);
+  customPlot->addItem(phaseTracer);
+  itemDemoPhaseTracer = phaseTracer; // so we can access it later in the bracketDataSlot for animation
+  phaseTracer->setGraph(graph);
+  phaseTracer->setGraphKey((M_PI*1.5-phase)/k);
+  phaseTracer->setInterpolating(true);
+  phaseTracer->setStyle(QCPItemTracer::tsCircle);
+  phaseTracer->setPen(QPen(Qt::red));
+  phaseTracer->setBrush(Qt::red);
+  phaseTracer->setSize(7);
+  
+  // add label for phase tracer:
+  QCPItemText *phaseTracerText = new QCPItemText(customPlot);
+  customPlot->addItem(phaseTracerText);
+  phaseTracerText->position->setType(QCPItemPosition::ptAxisRectRatio);
+  phaseTracerText->setPositionAlignment(Qt::AlignRight|Qt::AlignBottom);
+  phaseTracerText->position->setCoords(1.0, 0.95); // lower right corner of axis rect
+  phaseTracerText->setText("Points of fixed\nphase define\nphase velocity vp");
+  phaseTracerText->setTextAlignment(Qt::AlignLeft);
+  phaseTracerText->setFont(QFont(font().family(), 9));
+  phaseTracerText->setPadding(QMargins(8, 0, 0, 0));
+  
+  // add arrow pointing at phase tracer, coming from label:
+  QCPItemCurve *phaseTracerArrow = new QCPItemCurve(customPlot);
+  customPlot->addItem(phaseTracerArrow);
+  phaseTracerArrow->start->setParentAnchor(phaseTracerText->left);
+  phaseTracerArrow->startDir->setParentAnchor(phaseTracerArrow->start);
+  phaseTracerArrow->startDir->setCoords(-40, 0); // direction 30 pixels to the left of parent anchor (tracerArrow->start)
+  phaseTracerArrow->end->setParentAnchor(phaseTracer->position);
+  phaseTracerArrow->end->setCoords(10, 10);
+  phaseTracerArrow->endDir->setParentAnchor(phaseTracerArrow->end);
+  phaseTracerArrow->endDir->setCoords(30, 30);
+  phaseTracerArrow->setHead(QCPLineEnding::esSpikeArrow);
+  phaseTracerArrow->setTail(QCPLineEnding(QCPLineEnding::esBar, (phaseTracerText->bottom->pixelPoint().y()-phaseTracerText->top->pixelPoint().y())*0.85));
+  
+  // add the group velocity tracer (green circle):
+  QCPItemTracer *groupTracer = new QCPItemTracer(customPlot);
+  customPlot->addItem(groupTracer);
+  groupTracer->setGraph(graph);
+  groupTracer->setGraphKey(5.5);
+  groupTracer->setInterpolating(true);
+  groupTracer->setStyle(QCPItemTracer::tsCircle);
+  groupTracer->setPen(QPen(Qt::green));
+  groupTracer->setBrush(Qt::green);
+  groupTracer->setSize(7);
+  
+  // add label for group tracer:
+  QCPItemText *groupTracerText = new QCPItemText(customPlot);
+  customPlot->addItem(groupTracerText);
+  groupTracerText->position->setType(QCPItemPosition::ptAxisRectRatio);
+  groupTracerText->setPositionAlignment(Qt::AlignRight|Qt::AlignTop);
+  groupTracerText->position->setCoords(1.0, 0.20); // lower right corner of axis rect
+  groupTracerText->setText("Fixed positions in\nwave packet define\ngroup velocity vg");
+  groupTracerText->setTextAlignment(Qt::AlignLeft);
+  groupTracerText->setFont(QFont(font().family(), 9));
+  groupTracerText->setPadding(QMargins(8, 0, 0, 0));
+  
+  // add arrow pointing at group tracer, coming from label:
+  QCPItemCurve *groupTracerArrow = new QCPItemCurve(customPlot);
+  customPlot->addItem(groupTracerArrow);
+  groupTracerArrow->start->setParentAnchor(groupTracerText->left);
+  groupTracerArrow->startDir->setParentAnchor(groupTracerArrow->start);
+  groupTracerArrow->startDir->setCoords(-40, 0); // direction 30 pixels to the left of parent anchor (tracerArrow->start)
+  groupTracerArrow->end->setCoords(5.5, 0.4);
+  groupTracerArrow->endDir->setParentAnchor(groupTracerArrow->end);
+  groupTracerArrow->endDir->setCoords(0, -40);
+  groupTracerArrow->setHead(QCPLineEnding::esSpikeArrow);
+  groupTracerArrow->setTail(QCPLineEnding(QCPLineEnding::esBar, (groupTracerText->bottom->pixelPoint().y()-groupTracerText->top->pixelPoint().y())*0.85));
+  
+  // add dispersion arrow:
+  QCPItemCurve *arrow = new QCPItemCurve(customPlot);
+  customPlot->addItem(arrow);
+  arrow->start->setCoords(1, -1.1);
+  arrow->startDir->setCoords(-1, -1.3);
+  arrow->endDir->setCoords(-5, -0.3);
+  arrow->end->setCoords(-10, -0.2);
+  arrow->setHead(QCPLineEnding::esSpikeArrow);
+  
+  // add the dispersion arrow label:
+  QCPItemText *dispersionText = new QCPItemText(customPlot);
+  customPlot->addItem(dispersionText);
+  dispersionText->position->setCoords(-6, -0.9);
+  dispersionText->setRotation(40);
+  dispersionText->setText("Dispersion with\nvp < vg");
+  dispersionText->setFont(QFont(font().family(), 10));
+  
+  // setup a timer that repeatedly calls MainWindow::realtimeDataSlot:
+  connect(&dataTimer, SIGNAL(timeout()), this, SLOT(bracketDataSlot()));
+  dataTimer.start(0); // Interval 0 means to refresh as fast as possible
+}
+
+void MainWindow::setupStyledDemo(QCustomPlot *customPlot)
+{
+  demoName = "Styled Demo";
+  
+  // prepare data:
+  QVector<double> x1(20), y1(20);
+  QVector<double> x2(100), y2(100);
+  QVector<double> x3(20), y3(20);
+  QVector<double> x4(20), y4(20);
+  for (int i=0; i<x1.size(); ++i)
+  {
+    x1[i] = i/(double)x1.size()*10;
+    y1[i] = qCos(x1[i]*0.8+qSin(x1[i]*0.16+1.0))*qSin(x1[i]*0.54)+1.4;
+  }
+  for (int i=0; i<x2.size(); ++i)
+  {
+    x2[i] = i/(double)x2.size()*10;
+    y2[i] = qCos(x2[i]*0.85+qSin(x2[i]*0.165+1.1))*qSin(x2[i]*0.50)+1.7;
+  }
+  for (int i=0; i<x3.size(); ++i)
+  {
+    x3[i] = i/(double)x3.size()*10;
+    y3[i] = 0.05+3*(0.5+qCos(x3[i]*x3[i]*0.2+2)*0.5)/(double)(x3[i]+0.7)+qrand()/(double)RAND_MAX*0.01;
+  }
+  for (int i=0; i<x4.size(); ++i)
+  {
+    x4[i] = x3[i];
+    y4[i] = (0.5-y3[i])+((x4[i]-2)*(x4[i]-2)*0.02);
+  }
+  
+  // create and configure plottables:
+  QCPGraph *graph1 = customPlot->addGraph();
+  graph1->setData(x1, y1);
+  graph1->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, QPen(Qt::black, 1.5), QBrush(Qt::white), 9));
+  graph1->setPen(QPen(QColor(120, 120, 120), 2));
+
+  QCPGraph *graph2 = customPlot->addGraph();
+  graph2->setData(x2, y2);
+  graph2->setPen(Qt::NoPen);
+  graph2->setBrush(QColor(200, 200, 200, 20));
+  graph2->setChannelFillGraph(graph1);
+  
+  QCPBars *bars1 = new QCPBars(customPlot->xAxis, customPlot->yAxis);
+  customPlot->addPlottable(bars1);
+  bars1->setWidth(9/(double)x3.size());
+  bars1->setData(x3, y3);
+  bars1->setPen(Qt::NoPen);
+  bars1->setBrush(QColor(10, 140, 70, 160));
+  
+  QCPBars *bars2 = new QCPBars(customPlot->xAxis, customPlot->yAxis);
+  customPlot->addPlottable(bars2);
+  bars2->setWidth(9/(double)x4.size());
+  bars2->setData(x4, y4);
+  bars2->setPen(Qt::NoPen);
+  bars2->setBrush(QColor(10, 100, 50, 70));
+  bars2->moveAbove(bars1);
+  
+  // move bars above graphs and grid below bars:
+  customPlot->addLayer("abovemain", customPlot->layer("main"), QCustomPlot::limAbove);
+  customPlot->addLayer("belowmain", customPlot->layer("main"), QCustomPlot::limBelow);
+  graph1->setLayer("abovemain");
+  customPlot->xAxis->grid()->setLayer("belowmain");
+  customPlot->yAxis->grid()->setLayer("belowmain");
+
+  // set some pens, brushes and backgrounds:
+  customPlot->xAxis->setBasePen(QPen(Qt::white, 1));
+  customPlot->yAxis->setBasePen(QPen(Qt::white, 1));
+  customPlot->xAxis->setTickPen(QPen(Qt::white, 1));
+  customPlot->yAxis->setTickPen(QPen(Qt::white, 1));
+  customPlot->xAxis->setSubTickPen(QPen(Qt::white, 1));
+  customPlot->yAxis->setSubTickPen(QPen(Qt::white, 1));
+  customPlot->xAxis->setTickLabelColor(Qt::white);
+  customPlot->yAxis->setTickLabelColor(Qt::white);
+  customPlot->xAxis->grid()->setPen(QPen(QColor(140, 140, 140), 1, Qt::DotLine));
+  customPlot->yAxis->grid()->setPen(QPen(QColor(140, 140, 140), 1, Qt::DotLine));
+  customPlot->xAxis->grid()->setSubGridPen(QPen(QColor(80, 80, 80), 1, Qt::DotLine));
+  customPlot->yAxis->grid()->setSubGridPen(QPen(QColor(80, 80, 80), 1, Qt::DotLine));
+  customPlot->xAxis->grid()->setSubGridVisible(true);
+  customPlot->yAxis->grid()->setSubGridVisible(true);
+  customPlot->xAxis->grid()->setZeroLinePen(Qt::NoPen);
+  customPlot->yAxis->grid()->setZeroLinePen(Qt::NoPen);
+  customPlot->xAxis->setUpperEnding(QCPLineEnding::esSpikeArrow);
+  customPlot->yAxis->setUpperEnding(QCPLineEnding::esSpikeArrow);
+  QLinearGradient plotGradient;
+  plotGradient.setStart(0, 0);
+  plotGradient.setFinalStop(0, 350);
+  plotGradient.setColorAt(0, QColor(80, 80, 80));
+  plotGradient.setColorAt(1, QColor(50, 50, 50));
+  customPlot->setBackground(plotGradient);
+  QLinearGradient axisRectGradient;
+  axisRectGradient.setStart(0, 0);
+  axisRectGradient.setFinalStop(0, 350);
+  axisRectGradient.setColorAt(0, QColor(80, 80, 80));
+  axisRectGradient.setColorAt(1, QColor(30, 30, 30));
+  customPlot->axisRect()->setBackground(axisRectGradient);
+  
+  customPlot->rescaleAxes();
+  customPlot->yAxis->setRange(0, 2);
+}
+
+void MainWindow::setupAdvancedAxesDemo(QCustomPlot *customPlot)
+{
+  demoName = "Advanced Axes Demo";
+  
+  // configure axis rect:
+  customPlot->plotLayout()->clear(); // clear default axis rect so we can start from scratch
+  QCPAxisRect *wideAxisRect = new QCPAxisRect(customPlot);
+  wideAxisRect->setupFullAxesBox(true);
+  wideAxisRect->axis(QCPAxis::atRight, 0)->setTickLabels(true);
+  wideAxisRect->addAxis(QCPAxis::atLeft)->setTickLabelColor(QColor("#6050F8")); // add an extra axis on the left and color its numbers
+  QCPLayoutGrid *subLayout = new QCPLayoutGrid;
+  customPlot->plotLayout()->addElement(0, 0, wideAxisRect); // insert axis rect in first row
+  customPlot->plotLayout()->addElement(1, 0, subLayout); // sub layout in second row (grid layout will grow accordingly)
+  //customPlot->plotLayout()->setRowStretchFactor(1, 2);
+  // prepare axis rects that will be placed in the sublayout:
+  QCPAxisRect *subRectLeft = new QCPAxisRect(customPlot, false); // false means to not setup default axes
+  QCPAxisRect *subRectRight = new QCPAxisRect(customPlot, false);
+  subLayout->addElement(0, 0, subRectLeft);
+  subLayout->addElement(0, 1, subRectRight);
+  subRectRight->setMaximumSize(150, 150); // make bottom right axis rect size fixed 150x150
+  subRectRight->setMinimumSize(150, 150); // make bottom right axis rect size fixed 150x150
+  // setup axes in sub layout axis rects:
+  subRectLeft->addAxes(QCPAxis::atBottom | QCPAxis::atLeft);
+  subRectRight->addAxes(QCPAxis::atBottom | QCPAxis::atRight);
+  subRectLeft->axis(QCPAxis::atLeft)->setAutoTickCount(2);
+  subRectRight->axis(QCPAxis::atRight)->setAutoTickCount(2);
+  subRectRight->axis(QCPAxis::atBottom)->setAutoTickCount(2);
+  subRectLeft->axis(QCPAxis::atBottom)->grid()->setVisible(true);
+  // synchronize the left and right margins of the top and bottom axis rects:
+  QCPMarginGroup *marginGroup = new QCPMarginGroup(customPlot);
+  subRectLeft->setMarginGroup(QCP::msLeft, marginGroup);
+  subRectRight->setMarginGroup(QCP::msRight, marginGroup);
+  wideAxisRect->setMarginGroup(QCP::msLeft | QCP::msRight, marginGroup);
+  // move newly created axes on "axes" layer and grids on "grid" layer:
+  foreach (QCPAxisRect *rect, customPlot->axisRects())
+  {
+    foreach (QCPAxis *axis, rect->axes())
+    {
+      axis->setLayer("axes");
+      axis->grid()->setLayer("grid");
+    }
+  }
+  
+  // prepare data:
+  QVector<double> x1a(20), y1a(20);
+  QVector<double> x1b(50), y1b(50);
+  QVector<double> x2(100), y2(100);
+  QVector<double> x3, y3;
+  qsrand(3);
+  for (int i=0; i<x1a.size(); ++i)
+  {
+    x1a[i] = i/(double)(x1a.size()-1)*10-5.0;
+    y1a[i] = qCos(x1a[i]);
+  }
+  for (int i=0; i<x1b.size(); ++i)
+  {
+    x1b[i] = i/(double)x1b.size()*10-5.0;
+    y1b[i] = qExp(-x1b[i]*x1b[i]*0.2)*1000;
+  }
+  for (int i=0; i<x2.size(); ++i)
+  {
+    x2[i] = i/(double)x2.size()*10;
+    y2[i] = qrand()/(double)RAND_MAX-0.5+y2[qAbs(i-1)];
+  }
+  x3 << 1 << 2 << 3 << 4;
+  y3 << 2 << 2.5 << 4 << 1.5;
+  
+  // create and configure plottables:
+  QCPGraph *mainGraph1 = customPlot->addGraph(wideAxisRect->axis(QCPAxis::atBottom), wideAxisRect->axis(QCPAxis::atLeft));
+  mainGraph1->setData(x1a, y1a);
+  mainGraph1->setScatterStyle(QCPScatterStyle(QCPScatterStyle::ssCircle, QPen(Qt::black), QBrush(Qt::white), 6));
+  mainGraph1->setPen(QPen(QColor(120, 120, 120), 2));
+  QCPGraph *mainGraph2 = customPlot->addGraph(wideAxisRect->axis(QCPAxis::atBottom), wideAxisRect->axis(QCPAxis::atLeft, 1));
+  mainGraph2->setData(x1b, y1b);
+  mainGraph2->setPen(QPen(QColor("#8070B8"), 2));
+  mainGraph2->setBrush(QColor(110, 170, 110, 30));
+  mainGraph1->setChannelFillGraph(mainGraph2);
+  mainGraph1->setBrush(QColor(255, 161, 0, 50));
+  
+  QCPGraph *graph2 = customPlot->addGraph(subRectLeft->axis(QCPAxis::atBottom), subRectLeft->axis(QCPAxis::atLeft));
+  graph2->setData(x2, y2);
+  graph2->setLineStyle(QCPGraph::lsImpulse);
+  graph2->setPen(QPen(QColor("#FFA100"), 1.5));
+  
+  QCPBars *bars1 = new QCPBars(subRectRight->axis(QCPAxis::atBottom), subRectRight->axis(QCPAxis::atRight));
+  customPlot->addPlottable(bars1);
+  bars1->setWidth(3/(double)x3.size());
+  bars1->setData(x3, y3);
+  bars1->setPen(QPen(Qt::black));
+  bars1->setAntialiased(false);
+  bars1->setAntialiasedFill(false);
+  bars1->setBrush(QColor("#705BE8"));
+  bars1->keyAxis()->setAutoTicks(false);
+  bars1->keyAxis()->setTickVector(x3);
+  bars1->keyAxis()->setSubTickCount(0);
+  
+  // rescale axes according to graph's data:
+  mainGraph1->rescaleAxes();
+  mainGraph2->rescaleAxes();
+  graph2->rescaleAxes();
+  bars1->rescaleAxes();
+  wideAxisRect->axis(QCPAxis::atLeft, 1)->setRangeLower(0);
+}
+
+void MainWindow::setupColorMapDemo(QCustomPlot *customPlot)
+{
+  demoName = "Color Map Demo";
+  
+  // configure axis rect:
+  customPlot->setInteractions(QCP::iRangeDrag|QCP::iRangeZoom); // this will also allow rescaling the color scale by dragging/zooming
+  customPlot->axisRect()->setupFullAxesBox(true);
+  customPlot->xAxis->setLabel("x");
+  customPlot->yAxis->setLabel("y");
+
+  // set up the QCPColorMap:
+  QCPColorMap *colorMap = new QCPColorMap(customPlot->xAxis, customPlot->yAxis);
+  customPlot->addPlottable(colorMap);
+  int nx = 200;
+  int ny = 200;
+  colorMap->data()->setSize(nx, ny); // we want the color map to have nx * ny data points
+  colorMap->data()->setRange(QCPRange(-4, 4), QCPRange(-4, 4)); // and span the coordinate range -4..4 in both key (x) and value (y) dimensions
+  // now we assign some data, by accessing the QCPColorMapData instance of the color map:
+  double x, y, z;
+  for (int xIndex=0; xIndex<nx; ++xIndex)
+  {
+    for (int yIndex=0; yIndex<ny; ++yIndex)
+    {
+      colorMap->data()->cellToCoord(xIndex, yIndex, &x, &y);
+      double r = 3*qSqrt(x*x+y*y)+1e-2;
+      z = 2*x*(qCos(r+2)/r-qSin(r+2)/r); // the B field strength of dipole radiation (modulo physical constants)
+      colorMap->data()->setCell(xIndex, yIndex, z);
+    }
+  }
+  
+  // add a color scale:
+  QCPColorScale *colorScale = new QCPColorScale(customPlot);
+  customPlot->plotLayout()->addElement(0, 1, colorScale); // add it to the right of the main axis rect
+  colorScale->setType(QCPAxis::atRight); // scale shall be vertical bar with tick/axis labels right (actually atRight is already the default)
+  colorMap->setColorScale(colorScale); // associate the color map with the color scale
+  colorScale->axis()->setLabel("Magnetic Field Strength");
+  
+  // set the color gradient of the color map to one of the presets:
+  colorMap->setGradient(QCPColorGradient::gpPolar);
+  // we could have also created a QCPColorGradient instance and added own colors to
+  // the gradient, see the documentation of QCPColorGradient for what's possible.
+  
+  // rescale the data dimension (color) such that all data points lie in the span visualized by the color gradient:
+  colorMap->rescaleDataRange();
+  
+  // make sure the axis rect and color scale synchronize their bottom and top margins (so they line up):
+  QCPMarginGroup *marginGroup = new QCPMarginGroup(customPlot);
+  customPlot->axisRect()->setMarginGroup(QCP::msBottom|QCP::msTop, marginGroup);
+  colorScale->setMarginGroup(QCP::msBottom|QCP::msTop, marginGroup);
+  
+  // rescale the key (x) and value (y) axes so the whole color map is visible:
+  customPlot->rescaleAxes();
+}
+
+void MainWindow::realtimeDataSlot()
+{
+  // calculate two new data points:
+#if QT_VERSION < QT_VERSION_CHECK(4, 7, 0)
+  double key = 0;
+#else
+  double key = QDateTime::currentDateTime().toMSecsSinceEpoch()/1000.0;
+#endif
+  static double lastPointKey = 0;
+  if (key-lastPointKey > 0.01) // at most add point every 10 ms
+  {
+    double value0 = qSin(key); //sin(key*1.6+cos(key*1.7)*2)*10 + sin(key*1.2+0.56)*20 + 26;
+    double value1 = qCos(key); //sin(key*1.3+cos(key*1.2)*1.2)*7 + sin(key*0.9+0.26)*24 + 26;
+    // add data to lines:
+    ui->customPlot->graph(0)->addData(key, value0);
+    ui->customPlot->graph(1)->addData(key, value1);
+    // set data of dots:
+    ui->customPlot->graph(2)->clearData();
+    ui->customPlot->graph(2)->addData(key, value0);
+    ui->customPlot->graph(3)->clearData();
+    ui->customPlot->graph(3)->addData(key, value1);
+    // remove data of lines that's outside visible range:
+    ui->customPlot->graph(0)->removeDataBefore(key-8);
+    ui->customPlot->graph(1)->removeDataBefore(key-8);
+    // rescale value (vertical) axis to fit the current data:
+    ui->customPlot->graph(0)->rescaleValueAxis();
+    ui->customPlot->graph(1)->rescaleValueAxis(true);
+    lastPointKey = key;
+  }
+  // make key axis range scroll with the data (at a constant range size of 8):
+  ui->customPlot->xAxis->setRange(key+0.25, 8, Qt::AlignRight);
+  ui->customPlot->replot();
+  
+  // calculate frames per second:
+  static double lastFpsKey;
+  static int frameCount;
+  ++frameCount;
+  if (key-lastFpsKey > 2) // average fps over 2 seconds
+  {
+    ui->statusBar->showMessage(
+          QString("%1 FPS, Total Data points: %2")
+          .arg(frameCount/(key-lastFpsKey), 0, 'f', 0)
+          .arg(ui->customPlot->graph(0)->data()->count()+ui->customPlot->graph(1)->data()->count())
+          , 0);
+    lastFpsKey = key;
+    frameCount = 0;
+  }
+}
+
+void MainWindow::bracketDataSlot()
+{
+#if QT_VERSION < QT_VERSION_CHECK(4, 7, 0)
+  double secs = 0;
+#else
+  double secs = QDateTime::currentDateTime().toMSecsSinceEpoch()/1000.0;
+#endif
+  
+  // update data to make phase move:
+  int n = 500;
+  double phase = secs*5;
+  double k = 3;
+  QVector<double> x(n), y(n);
+  for (int i=0; i<n; ++i)
+  {
+    x[i] = i/(double)(n-1)*34 - 17;
+    y[i] = qExp(-x[i]*x[i]/20.0)*qSin(k*x[i]+phase);
+  }
+  ui->customPlot->graph()->setData(x, y);
+  
+  itemDemoPhaseTracer->setGraphKey((8*M_PI+fmod(M_PI*1.5-phase, 6*M_PI))/k);
+  
+  ui->customPlot->replot();
+  
+  // calculate frames per second:
+  double key = secs;
+  static double lastFpsKey;
+  static int frameCount;
+  ++frameCount;
+  if (key-lastFpsKey > 2) // average fps over 2 seconds
+  {
+    ui->statusBar->showMessage(
+          QString("%1 FPS, Total Data points: %2")
+          .arg(frameCount/(key-lastFpsKey), 0, 'f', 0)
+          .arg(ui->customPlot->graph(0)->data()->count())
+          , 0);
+    lastFpsKey = key;
+    frameCount = 0;
+  }
+}
+
+void MainWindow::setupPlayground(QCustomPlot *customPlot)
+{
+  Q_UNUSED(customPlot)
+}
+
+MainWindow::~MainWindow()
+{
+  delete ui;
+}
+
+void MainWindow::screenShot()
+{
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+  QPixmap pm = QPixmap::grabWindow(qApp->desktop()->winId(), this->x()+2, this->y()+2, this->frameGeometry().width()-4, this->frameGeometry().height()-4);
+#else
+  QPixmap pm = qApp->primaryScreen()->grabWindow(qApp->desktop()->winId(), this->x()+2, this->y()+2, this->frameGeometry().width()-4, this->frameGeometry().height()-4);
+#endif
+  QString fileName = demoName.toLower()+".png";
+  fileName.replace(" ", "");
+  pm.save("./screenshots/"+fileName);
+  qApp->quit();
+}
+
+void MainWindow::allScreenShots()
+{
+#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
+  QPixmap pm = QPixmap::grabWindow(qApp->desktop()->winId(), this->x()+2, this->y()+2, this->frameGeometry().width()-4, this->frameGeometry().height()-4);
+#else
+  QPixmap pm = qApp->primaryScreen()->grabWindow(qApp->desktop()->winId(), this->x()+2, this->y()+2, this->frameGeometry().width()-4, this->frameGeometry().height()-4);
+#endif
+  QString fileName = demoName.toLower()+".png";
+  fileName.replace(" ", "");
+  pm.save("./screenshots/"+fileName);
+  
+  if (currentDemoIndex < 18)
+  {
+    if (dataTimer.isActive())
+      dataTimer.stop();
+    dataTimer.disconnect();
+    delete ui->customPlot;
+    ui->customPlot = new QCustomPlot(ui->centralWidget);
+    ui->verticalLayout->addWidget(ui->customPlot);
+    setupDemo(currentDemoIndex+1);
+    // setup delay for demos that need time to develop proper look:
+    int delay = 250;
+    if (currentDemoIndex == 10) // Next is Realtime data demo
+      delay = 12000;
+    else if (currentDemoIndex == 15) // Next is Item demo
+      delay = 5000;
+    QTimer::singleShot(delay, this, SLOT(allScreenShots()));
+  } else
+  {
+    qApp->quit();
+  }
+}
+EOF
+
+cat <<EOF > mainwindow.h
+/***************************************************************************
+**                                                                        **
+**  QCustomPlot, an easy to use, modern plotting widget for Qt            **
+**  Copyright (C) 2011, 2012, 2013, 2014 Emanuel Eichhammer               **
+**                                                                        **
+**  This program 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.                                   **
+**                                                                        **
+**  This program 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 this program.  If not, see http://www.gnu.org/licenses/.   **
+**                                                                        **
+****************************************************************************
+**           Author: Emanuel Eichhammer                                   **
+**  Website/Contact: http://www.qcustomplot.com/                          **
+**             Date: 07.04.14                                             **
+**          Version: 1.2.1                                                **
+****************************************************************************/
+
+/************************************************************************************************************
+**                                                                                                         **
+**  This is the example code for QCustomPlot.                                                              **
+**                                                                                                         **
+**  It demonstrates basic and some advanced capabilities of the widget. The interesting code is inside     **
+**  the "setup(...)Demo" functions of MainWindow.                                                          **
+**                                                                                                         **
+**  In order to see a demo in action, call the respective "setup(...)Demo" function inside the             **
+**  MainWindow constructor. Alternatively you may call setupDemo(i) where i is the index of the demo       **
+**  you want (for those, see MainWindow constructor comments). All other functions here are merely a       **
+**  way to easily create screenshots of all demos for the website. I.e. a timer is set to successively     **
+**  setup all the demos and make a screenshot of the window area and save it in the ./screenshots          **
+**  directory.                                                                                             **
+**                                                                                                         **
+*************************************************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+#include <QTimer>
+#include "../../qcustomplot.h" // the header file of QCustomPlot. Don't forget to add it to your project, if you use an IDE, so it gets compiled.
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+  Q_OBJECT
+  
+public:
+  explicit MainWindow(QWidget *parent = 0);
+  ~MainWindow();
+  
+  void setupDemo(int demoIndex);
+  void setupQuadraticDemo(QCustomPlot *customPlot);
+  void setupSimpleDemo(QCustomPlot *customPlot);
+  void setupSincScatterDemo(QCustomPlot *customPlot);
+  void setupScatterStyleDemo(QCustomPlot *customPlot);
+  void setupLineStyleDemo(QCustomPlot *customPlot);
+  void setupScatterPixmapDemo(QCustomPlot *customPlot);
+  void setupDateDemo(QCustomPlot *customPlot);
+  void setupTextureBrushDemo(QCustomPlot *customPlot);
+  void setupMultiAxisDemo(QCustomPlot *customPlot);
+  void setupLogarithmicDemo(QCustomPlot *customPlot);
+  void setupRealtimeDataDemo(QCustomPlot *customPlot);
+  void setupParametricCurveDemo(QCustomPlot *customPlot);
+  void setupBarChartDemo(QCustomPlot *customPlot);
+  void setupStatisticalDemo(QCustomPlot *customPlot);
+  void setupSimpleItemDemo(QCustomPlot *customPlot);
+  void setupItemDemo(QCustomPlot *customPlot);
+  void setupStyledDemo(QCustomPlot *customPlot);
+  void setupAdvancedAxesDemo(QCustomPlot *customPlot);
+  void setupColorMapDemo(QCustomPlot *customPlot);
+  
+  void setupPlayground(QCustomPlot *customPlot);
+  
+private slots:
+  void realtimeDataSlot();
+  void bracketDataSlot();
+  void screenShot();
+  void allScreenShots();
+  
+private:
+  Ui::MainWindow *ui;
+  QString demoName;
+  QTimer dataTimer;
+  QCPItemTracer *itemDemoPhaseTracer;
+  int currentDemoIndex;
+};
+
+#endif // MAINWINDOW_H
+
+EOF
+
+cat <<EOF > mainwindow.ui
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>548</width>
+    <height>420</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>QCustomPlot plot examples</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <widget class="QCustomPlot" name="customPlot" native="true"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <customwidgets>
+  <customwidget>
+   <class>QCustomPlot</class>
+   <extends>QWidget</extends>
+   <header>../../qcustomplot.h</header>
+   <container>1</container>
+  </customwidget>
+ </customwidgets>
+ <resources/>
+ <connections/>
+</ui>
+
+EOF
+
+
+cd ..
+mkdir build
+cd build
+cmake -DCMAKE_INSTALL_PREFIX=./../inst ./../src
+make
+make install
+echo "build: OK"
+[ -x plots ]
+#./plots
+#echo "run: OK"
+ls -ln
diff --git a/debian/tests/control b/debian/tests/control
new file mode 100644
index 0000000..b7dd74c
--- /dev/null
+++ b/debian/tests/control
@@ -0,0 +1,2 @@
+Tests: buildtest
+Depends: libqcustomplot-dev

-- 
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