activated high-dpi scaling for all JKQtPlotter examples

examples/advplotstyling/advplotstyling.cpp

@@ -13,8 +13,14 @@
 
 int main(int argc, char* argv[])
 {
+
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/barchart/barchart.cpp

@@ -102,8 +102,14 @@ void doExample()
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     doExample<JKQTPBarVerticalGraph>();
     doExample<JKQTPBarHorizontalGraph>();
 

examples/boxplot/boxplot.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/contourplot/contourplot.cpp

@@ -19,9 +19,15 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/datastore/datastore.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* datastore=plot.getDatastore();

examples/datastore_groupedstat/datastore_groupedstat.cpp

@@ -18,9 +18,15 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
 
+
     // 1. create a window with several plotters and get a pointer to the internal datastores (for convenience)
     QWidget mainWidget;
     QGridLayout* lay;

examples/datastore_iterators/datastore_iterators.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* datastore=plot.getDatastore();

examples/datastore_regression/datastore_regression.cpp

@@ -18,9 +18,15 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
 
+
     // 1. create a window with several plotters and get a pointer to the internal datastores (for convenience)
     QWidget mainWidget;
     QGridLayout* lay;

examples/datastore_statistics/datastore_statistics.cpp

@@ -18,9 +18,15 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
 
+
     // 1. create a window with several plotters and get a pointer to the internal datastores (for convenience)
     QWidget mainWidget;
     QGridLayout* lay;

examples/datastore_statistics_2d/datastore_statistics_2d.cpp

@@ -18,7 +18,13 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
+
     QElapsedTimer timer;
 
 

examples/dateaxes/dateaxes.cpp

@@ -168,7 +168,13 @@ void drawWithTimeAxis(JKQTPlotter& plot) {
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
+
     JKQTPlotter plotDate;
     drawWithDateAxis(plotDate);
     plotDate.move(100,100);

examples/distributionplot/test_distributionplot.cpp

@@ -17,8 +17,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/errorbarstyles/errorbarstyles.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/evalcurve/evalcurve.cpp

@@ -13,8 +13,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a window that contains a line-edit to edit a function
     //    and a JKQTPlotter to display the function, combine everything in a layout
     QWidget mainWin;

examples/filledgraphs/filledgraphs.cpp

@@ -10,8 +10,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/functionplot/functionplot.cpp

@@ -134,8 +134,14 @@ void drawExample(QApplication& app, const QString& name) {
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     drawExample<JKQTPXFunctionLineGraph>(app, "functionplot: JKQTPXFunctionLineGraph");
     drawExample<JKQTPYFunctionLineGraph>(app, "functionplot: JKQTPYFunctionLineGraph");
 

examples/geo_arrows/geo_arrows.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window
     JKQTPlotter plot;
 

examples/geo_simple/geo_simple.cpp

@@ -84,8 +84,14 @@ void drawEllExample(JKQTPlotter* plot, double x0, double y0, double wid, double
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a Widget with a plotter and some control-elements
     QWidget widMain;
     QGridLayout* layMain=new QGridLayout;

examples/geometric/geometric.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a Widget with a plotter and some control-elements
     QWidget widMain;
     QGridLayout* layMain=new QGridLayout;

examples/imageplot/imageplot.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     JKQTPlotter plot;
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/imageplot_modifier/imageplot_modifier.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     JKQTPlotter plot;
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/imageplot_nodatastore/imageplot_nodatastore.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     JKQTPlotter plot;
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/imageplot_userpal/imageplot_userpal.cpp

@@ -17,8 +17,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 0. tell the library where to find additional palettes.
     //    this needs to be done BEFORE first using JKQTPlotter
     // 0.1 first we want to build a user-defined palette with five colors

examples/impulsesplot/impulsesplot.cpp

@@ -13,8 +13,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/jkqtmathtext_simpletest/jkqtmathtext_simpletest.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // we use a simple label to display the math text
     QLabel lab;
 

examples/jkqtmathtext_test/jkqtmathtext_test.cpp

@@ -3,8 +3,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     TestForm w;
     w.show();
     w.updateMath();

examples/jkqtplot_test/jkqtplot_test.cpp

@@ -5,8 +5,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     TestMain tab;
 
     tab.show();

examples/logaxes/logaxes.cpp

@@ -14,8 +14,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/mandelbrot/mandelbrot.cpp

@@ -12,7 +12,13 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
+
     MandelbrotMainWindow widMain;
 
     widMain.show();

examples/multiplot/test_multiplot.cpp

@@ -15,8 +15,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a widget
     QWidget mainWidget;
     mainWidget.setWindowTitle("JKQTPlotter(s) in a QGridLayout");

examples/parametriccurve/parametriccurve.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create two plotter windows that share the same internal datastore (for convenience)
     JKQTPlotter plot, plot2;
     JKQTPDatastore* ds=plot.getDatastore();

examples/paramscatterplot/paramscatterplot.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/paramscatterplot_image/paramscatterplot_image.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/parsedfunctionplot/parsedfunctionplot.cpp

@@ -17,8 +17,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a window that conatins a line-edit to edit a function
     //    and a JKQTPlotter to display the function, combine everything in a layout
     QWidget mainWin;

examples/rgbimageplot/rgbimageplot.cpp

@@ -13,8 +13,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     JKQTPlotter plot;
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/rgbimageplot_qt/rgbimageplot_qt.cpp

@@ -14,8 +14,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     JKQTPlotter plot;
 
 

examples/simpletest/simpletest.cpp

@@ -11,8 +11,20 @@
 
 int main(int argc, char* argv[])
 {
+
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
+
+
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();
@@ -47,6 +59,7 @@ int main(int argc, char* argv[])
     plot.zoomToFit();
 
     // show plotter and make it a decent size
+    plot.getPlotter()->setPlotLabel(QObject::tr("Graph Title"));
     plot.show();
     plot.resize(600,400);
 

examples/speed/speed.cpp

@@ -7,8 +7,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     SpeedTestPlot plot;
 

examples/stackedbars/stackedbars.cpp

@@ -102,8 +102,14 @@ void addGraph(JKQTPlotter& plot, bool swapXY) {
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     JKQTPlotter plotV;
     addGraph<JKQTPBarVerticalStackableGraph>(plotV, false);
     plotV.setWindowTitle("JKQTPBarVerticalStackableGraph");

examples/stepplots/stepplots.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/styledboxplot/test_styledboxplot.cpp

@@ -11,8 +11,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     plot.getPlotter()->setUseAntiAliasingForGraphs(true); // nicer (but slower) plotting

examples/styling/test_styling_main.cpp

@@ -5,8 +5,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // you can set the system-wide default style properties early on
     // all JKQTPlotter instance created after this, will use these
     // settings as their initial settings

examples/symbols_and_errors/symbols_and_errors.cpp

@@ -13,8 +13,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/symbols_and_styles/symbols_and_styles.cpp

@@ -12,8 +12,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
     JKQTPlotter plot;
     JKQTPDatastore* ds=plot.getDatastore();

examples/ui/ui.cpp

@@ -4,8 +4,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     FormWithJKQTPlotter plot;
     plot.show();
     plot.resize(600,400);

examples/user_interaction/test_user_interaction_main.cpp

@@ -4,8 +4,14 @@
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     TestUserInteraction win;
     win.show();
 

examples/violinplot/violinplot.cpp

@@ -163,8 +163,14 @@ JKQTPlotter* showPlot() {
 
 int main(int argc, char* argv[])
 {
+        
+#if QT_VERSION >= 0x050600
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling); // DPI support
+    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps); //HiDPI pixmaps
+#endif
     QApplication app(argc, argv);
 
+
     showPlot<JKQTPViolinplotHorizontalElement,JKQTPSingleColumnSymbolsGraph::DataDirection::X>();
     showPlot<JKQTPViolinplotVerticalElement,JKQTPSingleColumnSymbolsGraph::DataDirection::Y>();