UPDATED: styles doc image generation and doc images from that

doc/CMakeLists.txt

@@ -115,6 +115,14 @@ if(JKQtPlotter_BUILD_TOOLS)
     )
     add_dependencies(JKQTPlotter_GenerateDocImages JKQTPlotter_GenerateDocImages_listerrorindicators)
 
+    add_custom_target(JKQTPlotter_GenerateDocImages_listpalettes
+        COMMENT "Building JKQTPlotter Documentation Images: listpalettes"
+        COMMAND ${JKQTPlotter_GenerateDocImages_COMMAND} --listpalettes --iconsize=256 --outputdir="${JKQTPlotter_GenerateDocImages_OutputDir}/palettes/"
+        WORKING_DIRECTORY ${JKQtPlotter_QT_BINDIR}
+        DEPENDS jkqtplotter_doc_imagegenerator
+    )
+    add_dependencies(JKQTPlotter_GenerateDocImages JKQTPlotter_GenerateDocImages_listpalettes)
+
     add_custom_target(JKQTPlotter_GenerateDocImages_listaxisstyleprops
         COMMENT "Building JKQTPlotter Documentation Images: listaxisstyleprops"
         COMMAND ${JKQTPlotter_GenerateDocImages_COMMAND} --listaxisstyleprops --background=lightgrey --iconsize=50 --outputdir="${JKQTPlotter_GenerateDocImages_OutputDir}/axisstyle/"
@@ -125,11 +133,11 @@ if(JKQtPlotter_BUILD_TOOLS)
 
     add_custom_target(JKQTPlotter_GenerateDocImages_liststyles
         COMMENT "Building JKQTPlotter Documentation Images: liststyles"
-        COMMAND ${JKQTPlotter_GenerateDocImages_COMMAND} --liststyles --iconsize=500 --outputdir="${JKQTPlotter_GenerateDocImages_OutputDir}/styles/" --doctomodify="${JKQTPlotter_GenerateDocImages_dox}/jkqtplotter_styling.dox"
+        COMMAND ${JKQTPlotter_GenerateDocImages_COMMAND} --liststyles --iconsize=1200 --outputdir="${JKQTPlotter_GenerateDocImages_OutputDir}/styles/" --doctomodify="${JKQTPlotter_GenerateDocImages_dox}/jkqtplotter_styling.dox"
         WORKING_DIRECTORY ${JKQtPlotter_QT_BINDIR}
         DEPENDS jkqtplotter_doc_imagegenerator
     )
-    add_dependencies(JKQTPlotter_GenerateDocImages JKQTPlotter_GenerateDocImages_listaxisstyleprops)
+    add_dependencies(JKQTPlotter_GenerateDocImages JKQTPlotter_GenerateDocImages_liststyles)
 
 endif(JKQtPlotter_BUILD_TOOLS)
 

doc/dox/jkqtplotter_styling.dox

@@ -48,21 +48,25 @@ Here is a table with all available ready-made styles:
     <th>Screenshot
     <th>Symbols
   <tr>
-    <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/blackandwhite.ini"><code>:/JKQTPlotter/styles/blackandwhite.ini</code></a>
-    <td>\image html blackandwhite.ini.png
-    <td>\image html blackandwhite.ini.symbols.png
+    <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/default.ini"><code>:/JKQTPlotter/styles/default.ini</code></a>
+    <td>\image html default.ini.png
+    <td>\image html default.ini.symbols.png
   <tr>
     <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/blueprint.ini"><code>:/JKQTPlotter/styles/blueprint.ini</code></a>
     <td>\image html blueprint.ini.png
     <td>\image html blueprint.ini.symbols.png
+  <tr>
+    <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/cyberpunk.ini"><code>:/JKQTPlotter/styles/cyberpunk.ini</code></a>
+    <td>\image html cyberpunk.ini.png
+    <td>\image html cyberpunk.ini.symbols.png
   <tr>
     <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/dark.ini"><code>:/JKQTPlotter/styles/dark.ini</code></a>
     <td>\image html dark.ini.png
     <td>\image html dark.ini.symbols.png
   <tr>
-    <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/default.ini"><code>:/JKQTPlotter/styles/default.ini</code></a>
-    <td>\image html default.ini.png
-    <td>\image html default.ini.symbols.png
+    <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/blackandwhite.ini"><code>:/JKQTPlotter/styles/blackandwhite.ini</code></a>
+    <td>\image html blackandwhite.ini.png
+    <td>\image html blackandwhite.ini.symbols.png
   <tr>
     <td><a href="https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/legacy_default_style.ini"><code>:/JKQTPlotter/styles/legacy_default_style.ini</code></a>
     <td>\image html legacy_default_style.ini.png

examples/styling/CMakeLists.txt

@@ -8,7 +8,7 @@ message( STATUS "..   Building Example ${EXAMPLE_NAME}" )
 
 # Set up source files
 set(SOURCES test_styling.cpp test_styling_main.cpp jkqtpstyleplaintextedit.cpp)
-set(HEADERS test_styling.h jkqtpstyleplaintextedit.h )
+set(HEADERS test_styling.h build_test_graphs.h jkqtpstyleplaintextedit.h )
 set(RESOURCES  )
 set(UIS test_styling.ui )
 

examples/styling/build_test_graphs.h

@@ -0,0 +1,322 @@
+#ifndef BUILD_TEST_GRAPHS_H
+#define BUILD_TEST_GRAPHS_H
+
+#include "jkqtplotter/graphs/jkqtpscatter.h"
+#include "jkqtplotter/graphs/jkqtpbarchart.h"
+#include "jkqtplotter/graphs/jkqtpimage.h"
+#include "jkqtplotter/graphs/jkqtpgeometric.h"
+#include "jkqtplotter/graphs/jkqtpgeoannotations.h"
+#include "jkqtplotter/graphs/jkqtpboxplot.h"
+#include "jkqtplotter/graphs/jkqtpfilledcurve.h"
+#include "jkqtplotter/graphs/jkqtpimpulses.h"
+#include "jkqtplotter/jkqtpbaseplotter.h"
+
+#define DEFAULT_PLOT_SIZE QSize(4,2)
+
+inline void setupGridPrintingAndDatastores(QVector<JKQTBasePlotter*>& plots, QSize size) {
+    // connect plots
+    for  (auto plt: plots) {
+
+        for (int x=0; x<size.width(); x++) {
+            for (int y=0; y<size.height(); y++) {
+                plt->addGridPrintingPlotter(x,y, plots[y*size.width()+x]);
+            }
+        }
+        plt->setGridPrinting(true);
+
+        // use same datastore for each plot
+        if (plt!=plots.first()) plt->useExternalDatastore(plots.first()->getDatastore());
+    }
+}
+
+inline void buildPlots(QVector<JKQTBasePlotter*>& plots) {
+
+    // 0. get a pointer to the internal datastore (for convenience)
+    JKQTPDatastore* ds=plots.first()->getDatastore();
+
+    // 1. clear old graphs/data
+    for (auto plt: plots) {
+        plt->clearGraphs(true);
+    }
+    ds->clear();
+
+    // 2. now we create data for a simple plot (a sine curve)
+    QVector<double> X, Y1, Y2, img, X3, Y3, Y3err, Xbar, Ybar, Ybar2, Ybar3, Y4, Y5, XImp, YImp, XBP, MinBP, Q25BP, MeanBP, MedianBP, Q75BP, MaxBP;
+    const int Ndata=50;
+    for (int i=0; i<Ndata; i++) {
+        const double x=double(i)/double(Ndata)*8.0*JKQTPSTATISTICS_PI;
+        X<<x;
+        Y1<<3.1+sin(x)+x/25.0*2.0;
+        Y2<<3.1+1.5*sin(x)*exp(-0.2*x)+x/25.0*2.0;
+        Y4<<4.5*exp(-x/10.0);
+        Y5<<2.0*exp(-x/10.0)+0.8;
+        if (i%5==0) {
+            X3<<x;
+            Y3<<(4.5)+sin(x/25.0*JKQTPSTATISTICS_PI)*2.0-x/12.5;
+            Y3err<<(double(i+5)/double(Ndata)*0.5);
+        }
+        if (i>0 && i%16==0) {
+            Xbar<<x;
+            Ybar<<(double(i+5)/double(Ndata)*(1.5));
+            Ybar2<<(double(i+5)/double(Ndata)*(1.2));
+            Ybar3<<(3.0-(double(i+5)/double(Ndata)*(3.7)));
+        }
+        if (i%8==0) {
+            XImp<<1+x/1.2;
+            YImp<<1.5+1.1*cos(x/2.0);
+        }
+        if (i<=5) {
+            XBP<<(i-1);
+            MinBP<<(i+1);
+            Q25BP<<(i*1.1+3.0);
+            MeanBP<<(i*1.12+4.0);
+            MedianBP<<(i*1.2+3.5);
+            Q75BP<<(i*1.3+6.0);
+            MaxBP<<(i*1.35+7.5);
+        }
+    }
+    auto fgauss=[](double x, double y, double x0, double y0, double sx, double sy) {
+        return exp(-2.0*(x-x0)*(x-x0)/sx/sx-2.0*(y-y0)*(y-y0)/sy/sy);
+    };
+    for (int i=0; i<Ndata; i++) {
+        for (int j=0; j<Ndata; j++) {
+            img.push_back(fgauss(j,i,Ndata/3,Ndata/3,Ndata/5,Ndata/3)+fgauss(j,i,Ndata*3/4,Ndata*2/3,Ndata/2,Ndata/4));
+        }
+    }
+
+    // 3. make data available to JKQTPlotter by adding it to the internal datastore.
+    //    Note: In this step the data is copied (of not specified otherwise), so you can
+    //          reuse X and Y afterwards!
+    //    the variables columnX and columnY will contain the internal column ID of the newly
+    //    created columns with names "x" and "y" and the (copied) data from X and Y.
+    size_t columnX=ds->addCopiedColumn(X, "x");
+    size_t columnY1=ds->addCopiedColumn(Y1, "y1");
+    size_t columnY2=ds->addCopiedColumn(Y2, "y2");
+    size_t columnImg=ds->addCopiedColumn(img, "img");
+    size_t columnX3=ds->addCopiedColumn(X3, "x3");
+    size_t columnY3=ds->addCopiedColumn(Y3, "y3");
+    size_t columnY3err=ds->addCopiedColumn(Y3err, "y3err");
+    size_t columnXbar=ds->addCopiedColumn(Xbar, "xbar");
+    size_t columnYbar=ds->addCopiedColumn(Ybar, "ybar");
+    size_t columnYbar2=ds->addCopiedColumn(Ybar2, "Ybar2");
+    size_t columnYbar3=ds->addCopiedColumn(Ybar3, "Ybar3");
+    size_t columnY4=ds->addCopiedColumn(Y4, "y4");
+    size_t columnY5=ds->addCopiedColumn(Y5, "y5");
+    size_t columnXImp=ds->addCopiedColumn(XImp, "ximp");
+    size_t columnYImp=ds->addCopiedColumn(YImp, "yimp");
+
+    size_t columnXBP=ds->addCopiedColumn(XBP, "XBP");
+    size_t columnMinBP=ds->addCopiedColumn(MinBP, "MinBP");
+    size_t columnQ25BP=ds->addCopiedColumn(Q25BP, "Q25BP");
+    size_t columnMeanBP=ds->addCopiedColumn(MeanBP, "MeanBP");
+    size_t columnMedianBP=ds->addCopiedColumn(MedianBP, "MedianBP");
+    size_t columnQ75BP=ds->addCopiedColumn(Q75BP, "Q75BP");
+    size_t columnMaxBP=ds->addCopiedColumn(MaxBP, "MaxBP");
+
+    // 4. create diverse graphs in the plot:
+    JKQTPFilledCurveXGraph* graphf4=new JKQTPFilledCurveXGraph(plots[2]);
+    graphf4->setXColumn(columnX);
+    graphf4->setYColumn(columnY4);
+    graphf4->setTitle(QObject::tr("filled exp-function"));
+    plots[2]->addGraph(graphf4);
+
+    JKQTPFilledCurveXGraph* graphf5=new JKQTPFilledCurveXGraph(plots[2]);
+    graphf5->setXColumn(columnX);
+    graphf5->setYColumn(columnY5);
+    graphf5->setTitle(QObject::tr("other filled exp-function"));
+    plots[2]->addGraph(graphf5);
+
+
+    JKQTPColumnMathImage* graphI=new JKQTPColumnMathImage(plots.last());
+    graphI->setImageColumn(columnImg);
+    graphI->setNx(Ndata);
+    graphI->setNy(Ndata);
+    graphI->setColorBarTopVisible(true);
+    graphI->setColorBarRightVisible(true);
+    graphI->setX(0.5);
+    graphI->setY(-2.0);
+    graphI->setWidth(5);
+    graphI->setHeight(1);
+    graphI->setTitle(QObject::tr("2{\\times}Gauss"));
+    plots.last()->addGraph(graphI);
+
+    JKQTPXYLineErrorGraph* graph1=new JKQTPXYLineErrorGraph(plots[0]);
+    graph1->setXColumn(columnX3);
+    graph1->setYColumn(columnY3);
+    graph1->setYErrorColumn(columnY3err);
+    graph1->setDrawLine(true);
+    graph1->setYErrorStyle(JKQTPErrorBarsLines);
+    graph1->setSymbolType(JKQTPNoSymbol);
+    graph1->setTitle(QObject::tr("sine \\pm errors graph"));
+    plots[0]->addGraph(graph1);
+
+    JKQTPXYLineGraph* graph2=new JKQTPXYLineGraph(plots[0]);
+    graph2->setXColumn(columnX);
+    graph2->setYColumn(columnY1);
+    graph2->setSymbolType(JKQTPNoSymbol);
+    graph2->setTitle(QObject::tr("sine graph $f(x)=\\sin(x)$"));
+    plots[0]->addGraph(graph2);
+
+    JKQTPXYLineGraph* graph3=new JKQTPXYLineGraph(plots[0]);
+    graph3->setXColumn(columnX);
+    graph3->setYColumn(columnY2);
+    graph3->setSymbolType(JKQTPNoSymbol);
+    //graph2->setTitle(QObject::tr("sine{\\cdot}exp graph $f(x)=\\sin(x)\\cdot\\exp\\left(-\\frac{x}{5}\\right)$"));
+    graph3->setTitle(QObject::tr("sine*exp graph"));
+    plots[0]->addGraph(graph3);
+
+
+    JKQTPImpulsesVerticalGraph* graphi2=new JKQTPImpulsesVerticalGraph(plots[0]);
+    graphi2->setXColumn(columnXImp);
+    graphi2->setYColumn(columnYImp);
+    graphi2->setTitle(QObject::tr("impulses"));
+    plots[0]->addGraph(graphi2);
+
+
+
+    JKQTPXYLineErrorGraph* graph1s=new JKQTPXYLineErrorGraph(plots[1]);
+    graph1s->setXColumn(columnX3);
+    graph1s->setYColumn(columnY3);
+    graph1s->setYErrorColumn(columnY3err);
+    graph1s->setDrawLine(false);
+    graph1s->setYErrorStyle(JKQTPErrorBars);
+    graph1s->setTitle(QObject::tr("sine \\pm errors graph"));
+    plots[1]->addGraph(graph1s);
+
+    JKQTPXYScatterGraph* graph2s=new JKQTPXYScatterGraph(plots[1]);
+    graph2s->setXColumn(columnX);
+    graph2s->setYColumn(columnY1);
+    graph2s->setTitle(QObject::tr("sine graph $f(x)=\\sin(x)$"));
+    plots[1]->addGraph(graph2s);
+
+    JKQTPXYScatterGraph* graph3s=new JKQTPXYScatterGraph(plots[1]);
+    graph3s->setXColumn(columnX);
+    graph3s->setYColumn(columnY2);
+    graph3s->setTitle(QObject::tr("sine*exp graph"));
+    plots[1]->addGraph(graph3s);
+
+    JKQTPBarVerticalGraph* graphb=new JKQTPBarVerticalGraph(plots[3]);
+    graphb->setXColumn(columnXbar);
+    graphb->setYColumn(columnYbar);
+    graphb->setTitle(QObject::tr("barchart"));
+    plots[3]->addGraph(graphb);
+
+    JKQTPBarVerticalGraph* graphb2=new JKQTPBarVerticalGraph(plots[3]);
+    graphb2->setXColumn(columnXbar);
+    graphb2->setYColumn(columnYbar2);
+    graphb2->setTitle(QObject::tr("2^{nd} barchart"));
+    plots[3]->addGraph(graphb2);
+
+    JKQTPBarVerticalGraph* graphb3=new JKQTPBarVerticalGraph(plots[3]);
+    graphb3->setXColumn(columnXbar);
+    graphb3->setYColumn(columnYbar3);
+    graphb3->setTitle(QObject::tr("3^{nd} barchart"));
+    plots[3]->addGraph(graphb3);
+    graphb3->autoscaleBarWidthAndShiftSeparatedGroups();
+
+
+    JKQTPBoxplotVerticalGraph* graphBP=new JKQTPBoxplotVerticalGraph(plots[plots.size()/2]);
+    graphBP->setPositionColumn(columnXBP);
+    graphBP->setMinColumn(columnMinBP);
+    graphBP->setPercentile25Column(columnQ25BP);
+    graphBP->setMeanColumn(columnMeanBP);
+    graphBP->setMedianColumn(columnMedianBP);
+    graphBP->setPercentile75Column(columnQ75BP);
+    graphBP->setMaxColumn(columnMaxBP);
+    plots[plots.size()/2]->addGraph(graphBP);
+
+    auto plotgeo=*(plots.rbegin()+1);
+    JKQTPGeoSymbol* annotSym=new JKQTPGeoSymbol(plotgeo, -1.5, 3);
+    plotgeo->addGraph(annotSym);
+
+    JKQTPGeoText* annotTxt=new JKQTPGeoText(plotgeo, annotSym->getX()+0.5, annotSym->getY(), "Annotation $\\int_{0}^{2\\pi}\\sin(x)\\;\\mathrm{d}x$");
+    plotgeo->addGraph(annotTxt);
+
+    JKQTPGeoEllipse* geoEll=new JKQTPGeoEllipse(plotgeo, 1.5,0.5,3.5,1.2);
+    geoEll->setAngle(-25);
+    plotgeo->addGraph(geoEll);
+
+    plotgeo->addGraph(new JKQTPGeoArrow(plotgeo, geoEll->getCenter(),annotSym->getP()-QPointF(0.5,0.5)));
+
+    plotgeo->addGraph(new JKQTPGeoLine(plotgeo, geoEll->getCenter(),QPointF(annotSym->getX(),annotSym->getY()-2.0)));
+
+    // 6. autoscale the plot so the graph is contained
+    for (auto plt: plots) {
+        plt->zoomToFit();
+        plt->getXAxis()->setAxisLabel("x-axis");
+        plt->getYAxis()->setAxisLabel("y-axis");
+    }
+    plots[0]->getYAxis()->setRange(plots[0]->getYAxis()->getMin(), 8);
+    plots[1]->getYAxis()->setRange(plots[1]->getYAxis()->getMin(), 8);
+    plots[3]->getYAxis()->setRange(plots[3]->getYAxis()->getMin(), 2.5);
+    plotgeo->setMaintainAspectRatio(true);
+    plotgeo->setMaintainAxisAspectRatio(true);
+    plotgeo->getXAxis()->setRange(-2.5,4);
+    plotgeo->getYAxis()->setRange(-2.5,4);
+
+
+    plots[0]->setPlotLabel("Line Graphs");
+    plots[1]->setPlotLabel("Scatter Graphs");
+    plots[2]->setPlotLabel("Filled Graphs");
+    plots[3]->setPlotLabel("Bar Charts");
+    plots[plots.size()/2]->setPlotLabel("Boxplots");
+    plotgeo->setPlotLabel("Geometry & Annotations");
+    plots.last()->setPlotLabel("Image Plot");
+
+}
+
+inline void buildLineSymbolSampler(JKQTBasePlotter* plotExtra, JKQTBasePlotter* baseplot) {
+    plotExtra->clearGraphs(true);
+    plotExtra->setBackgroundColor(baseplot->getBackgroundColor());
+    plotExtra->setExportBackgroundColor(baseplot->getExportBackgroundColor());
+    plotExtra->setPlotBackgroundColor(baseplot->getPlotBackgroundColor());
+    plotExtra->getXAxis()->setDrawMode1(JKQTPCADMnone);
+    plotExtra->getXAxis()->setDrawMode2(JKQTPCADMnone);
+    plotExtra->getYAxis()->setDrawMode1(JKQTPCADMnone);
+    plotExtra->getYAxis()->setDrawMode2(JKQTPCADMnone);
+    double x=1;
+    double xlineend=6;
+    double y=1;
+    double xmax=15;
+    int cnt=0;
+    const QColor defaultColor=baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.first();
+    for (auto s: baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphSymbols) {
+        plotExtra->addGraph(new JKQTPGeoSymbol(plotExtra, x, y, s, 12, defaultColor, defaultColor.lighter() ));
+        x+=1;
+        xmax=qMax(x, xmax);
+        if (cnt>0 && cnt%25==0) {
+            x=1;
+            y+=1.0;
+        }
+        cnt++;
+    }
+    y=y+1;
+    double ycoltest=y;
+    for (auto s: baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphPenStyles) {
+        JKQTPGeoLine* l;
+        plotExtra->addGraph(l=new JKQTPGeoLine(plotExtra, 1,y,xlineend,y)); l->setStyle(defaultColor, 2, s);
+        plotExtra->addGraph(l=new JKQTPGeoLine(plotExtra, 1,y-0.25,xlineend,y-0.25)); l->setStyle(defaultColor.darker(), 1, s);
+        y+=0.75;
+    }
+    x=xlineend+1;
+    const int cntFillTests=qMax(baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.size(), baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.size());
+    double dx=(xmax-xlineend-1.0)/static_cast<double>(cntFillTests);
+    for (int i=0; i<cntFillTests; i++) {
+        const auto col=baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.value(i%baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.size(), Qt::black);
+        const auto fs=baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.value(i%baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.size(), Qt::SolidPattern);
+        JKQTPGeoLine* l;
+        plotExtra->addGraph(l=new JKQTPGeoLine(plotExtra, x,ycoltest,x,y-0.5)); l->setStyle(col,5);
+        JKQTPGeoRectangle* r;
+        plotExtra->addGraph(r=new JKQTPGeoRectangle(plotExtra, x+dx/2,(ycoltest+y-0.5)/2.0, dx*0.5, y-ycoltest-0.5));
+        r->setStyle(col,1, Qt::SolidLine, JKQTPGetDerivedColor(baseplot->getCurrentPlotterStyle().graphsStyle.defaultGraphStyle.fillColorDerivationMode, col), fs);
+        x+=dx;
+    }
+    plotExtra->zoomToFit();
+    plotExtra->setX(0, plotExtra->getXMax()+2);
+    plotExtra->setY(0, plotExtra->getYMax()+1);
+    plotExtra->setGrid(false);
+    plotExtra->setPlotLabel("default symbols/lines/colors");
+
+}
+
+#endif // BUILD_TEST_GRAPHS_H

examples/styling/test_styling.cpp

@@ -1,14 +1,7 @@
 #include "test_styling.h"
+#include "build_test_graphs.h"
 #include "ui_test_styling.h"
 #include "jkqtplotter/jkqtplotter.h"
-#include "jkqtplotter/graphs/jkqtpscatter.h"
-#include "jkqtplotter/graphs/jkqtpbarchart.h"
-#include "jkqtplotter/graphs/jkqtpimage.h"
-#include "jkqtplotter/graphs/jkqtpgeometric.h"
-#include "jkqtplotter/graphs/jkqtpgeoannotations.h"
-#include "jkqtplotter/graphs/jkqtpboxplot.h"
-#include "jkqtplotter/graphs/jkqtpfilledcurve.h"
-#include "jkqtplotter/graphs/jkqtpimpulses.h"
 
 #include <QDir>
 #include <QTextStream>
@@ -20,18 +13,29 @@ TestStyling::TestStyling(QWidget *parent) :
 {
     // set up the GUI
     ui->setupUi(this);
-    ui->splitter->setStretchFactor(0,1);
+    ui->splitter->setStretchFactor(0,2);
     ui->splitter->setStretchFactor(1,1);
 
+    plots=QVector<JKQTPlotter*>{ui->plot1, ui->plot2, ui->plot3, ui->plot4, ui->plot5, ui->plot6, ui->plot7, ui->plot8};
+    for (auto p: plots) {
+        bplots<<p->getPlotter();
+    }
+
+    // connect plots
+    setupGridPrintingAndDatastores(bplots, QSize(4,2));
+
+
     // initialize a simple plot
     initPlot();
 
     // connect GUI to JKQTPlotter
-    connect(ui->chkGrid, SIGNAL(toggled(bool)), ui->plot, SLOT(setGrid(bool)));
-    connect(ui->chkLogX, SIGNAL(toggled(bool)), ui->plot->getXAxis(), SLOT(setLogAxis(bool)));
-    connect(ui->chkLogY, SIGNAL(toggled(bool)), ui->plot->getYAxis(), SLOT(setLogAxis(bool)));
-    connect(ui->chkDebugBoxes, SIGNAL(toggled(bool)), ui->plot->getPlotter(), SLOT(enableDebugShowRegionBoxes(bool)));
-    connect(ui->chkDebugTextBoxes, SIGNAL(toggled(bool)), ui->plot->getPlotter(), SLOT(enableDebugShowTextBoxes(bool)));
+    for  (auto plt: plots) {
+        connect(ui->chkGrid, SIGNAL(toggled(bool)), plt, SLOT(setGrid(bool)));
+        connect(ui->chkLogX, SIGNAL(toggled(bool)), plt->getXAxis(), SLOT(setLogAxis(bool)));
+        connect(ui->chkLogY, SIGNAL(toggled(bool)), plt->getYAxis(), SLOT(setLogAxis(bool)));
+        connect(ui->chkDebugBoxes, SIGNAL(toggled(bool)), plt->getPlotter(), SLOT(enableDebugShowRegionBoxes(bool)));
+        connect(ui->chkDebugTextBoxes, SIGNAL(toggled(bool)), plt->getPlotter(), SLOT(enableDebugShowTextBoxes(bool)));
+    }
 
     // store JKQTPlotter plotterStyle to a temporary INI-file
     // and then load that temporary file into the plainTextEdit,
@@ -41,7 +45,7 @@ TestStyling::TestStyling(QWidget *parent) :
     QString tmpfn=QDir::tempPath()+"/jkqtplotter_config.tmp";
     {
         QSettings settings(tmpfn, QSettings::IniFormat);
-        ui->plot->saveCurrentPlotterStyle(settings);
+        ui->plot1->saveCurrentPlotterStyle(settings);
     }
     on_btnLoad_clicked(tmpfn);
     QFile::remove(tmpfn);
@@ -53,7 +57,6 @@ TestStyling::~TestStyling()
     if (!plotExtra.isNull()) {
         plotExtra->close();
         plotExtra.clear();
-        plotExtra->setWindowTitle("2: symbols/lines");
     }
 }
 
@@ -73,9 +76,11 @@ void TestStyling::on_btnUpdate_clicked()
     }
     {
         QSettings settings(tmpfn, QSettings::IniFormat);
-        ui->plot->loadCurrentPlotterStyle(settings);
+        for (auto plt: plots) {
+            plt->loadCurrentPlotterStyle(settings);
+        }
         initPlot();
-        ui->chkDebugBoxes->setChecked(ui->plot->getPlotter()->isDebugShowRegionBoxesEnabled());
+        ui->chkDebugBoxes->setChecked(ui->plot1->getPlotter()->isDebugShowRegionBoxesEnabled());
     }
     QFile::remove(tmpfn);
     QApplication::restoreOverrideCursor();
@@ -112,9 +117,9 @@ void TestStyling::on_btnSave_clicked()
           QTextStream out(&data);
           out << ui->plainTextEdit->toPlainText();
         }
-        QPixmap img=ui->plot->grab();
+        QPixmap img=ui->plot1->grab();
         img.save(fn+".png", "png");
-        ui->plot->saveImage(fn+".export.png", false);
+        ui->plot1->saveImage(fn+".export.png", false);
     }
 }
 
@@ -123,221 +128,30 @@ void TestStyling::on_btnSave_clicked()
 void TestStyling::initPlot()
 {
 
-    ui->plot->setPlotUpdateEnabled(false);
-
-    // 0. get a pointer to the internal datastore (for convenience)
-    JKQTPDatastore* ds=ui->plot->getDatastore();
-
-    // 1. clear old graphs/data
-    ui->plot->clearGraphs(true);
-    ds->clear();
-
-    // 2. now we create data for a simple plot (a sine curve)
-    QVector<double> X, Y1, Y2, img, X3, Y3, Y3err, Xbar, Ybar, Ybar2, Y4, Y5, XImp, YImp;
-    const int Ndata=100;
-    for (int i=0; i<Ndata; i++) {
-        const double x=double(i)/double(Ndata)*8.0*JKQTPSTATISTICS_PI;
-        X<<x;
-        Y1<<1.1+sin(x);
-        Y2<<1.1+sin(x)*exp(-0.2*x);
-        Y4<<4.5*exp(-x/10.0);
-        Y5<<2.5*exp(-x/10.0)+1.0;
-        if (i%5==0) {
-            X3<<x;
-            Y3<<(2.5+Y1.last());
-            Y3err<<(double(i+5)/double(Ndata)*0.5);
-        }
-        if (i>0 && i%20==0) {
-            Xbar<<x/2.0;
-            Ybar<<(double(i+5)/double(Ndata)*(-1.5));
-            Ybar2<<(double(i+5)/double(Ndata)*(-1.2));
-        }
-        if (i%8==0) {
-            XImp<<15.0+x/3.0;
-            YImp<<-1.0+0.5*sin(x);
-        }
-    }
-    auto fgauss=[](double x, double y, double x0, double y0, double sx, double sy) {
-        return exp(-2.0*(x-x0)*(x-x0)/sx/sx-2.0*(y-y0)*(y-y0)/sy/sy);
-    };
-    for (int i=0; i<Ndata; i++) {
-        for (int j=0; j<Ndata; j++) {
-            img.push_back(fgauss(j,i,Ndata/3,Ndata/3,Ndata/5,Ndata/3)+fgauss(j,i,Ndata*3/4,Ndata*2/3,Ndata/2,Ndata/4));
-        }
+    for (auto plt: plots) {
+        plt->setPlotUpdateEnabled(true);
+        plt->redrawPlot();
+        plt->setPlotUpdateEnabled(false);
     }
 
-    // 3. make data available to JKQTPlotter by adding it to the internal datastore.
-    //    Note: In this step the data is copied (of not specified otherwise), so you can
-    //          reuse X and Y afterwards!
-    //    the variables columnX and columnY will contain the internal column ID of the newly
-    //    created columns with names "x" and "y" and the (copied) data from X and Y.
-    size_t columnX=ds->addCopiedColumn(X, "x");
-    size_t columnY1=ds->addCopiedColumn(Y1, "y1");
-    size_t columnY2=ds->addCopiedColumn(Y2, "y2");
-    size_t columnImg=ds->addCopiedColumn(img, "img");
-    size_t columnX3=ds->addCopiedColumn(X3, "x3");
-    size_t columnY3=ds->addCopiedColumn(Y3, "y3");
-    size_t columnY3err=ds->addCopiedColumn(Y3err, "y3err");
-    size_t columnXbar=ds->addCopiedColumn(Xbar, "xbar");
-    size_t columnYbar=ds->addCopiedColumn(Ybar, "ybar");
-    size_t columnYbar2=ds->addCopiedColumn(Ybar2, "Ybar2");
-    size_t columnY4=ds->addCopiedColumn(Y4, "y4");
-    size_t columnY5=ds->addCopiedColumn(Y5, "y5");
-    size_t columnXImp=ds->addCopiedColumn(XImp, "ximp");
-    size_t columnYImp=ds->addCopiedColumn(YImp, "yimp");
+    buildPlots(bplots);
 
-    // 4. create diverse graphs in the plot:
-    JKQTPFilledCurveXGraph* graphf4=new JKQTPFilledCurveXGraph(ui->plot);
-    graphf4->setXColumn(columnX);
-    graphf4->setYColumn(columnY4);
-    graphf4->setTitle(QObject::tr("filled exp-function"));
-    ui->plot->addGraph(graphf4);
-
-    JKQTPFilledCurveXGraph* graphf5=new JKQTPFilledCurveXGraph(ui->plot);
-    graphf5->setXColumn(columnX);
-    graphf5->setYColumn(columnY5);
-    graphf5->setTitle(QObject::tr("other filled exp-function"));
-    ui->plot->addGraph(graphf5);
-
-    JKQTPColumnMathImage* graphI=new JKQTPColumnMathImage(ui->plot);
-    graphI->setImageColumn(columnImg);
-    graphI->setNx(Ndata);
-    graphI->setNy(Ndata);
-    graphI->setColorBarTopVisible(true);
-    graphI->setColorBarRightVisible(true);
-    graphI->setX(0.5);
-    graphI->setY(-2.0);
-    graphI->setWidth(5);
-    graphI->setHeight(1);
-    graphI->setTitle(QObject::tr("2{\\times}Gauss"));
-    ui->plot->addGraph(graphI);
-
-    JKQTPXYLineGraph* graph1=new JKQTPXYLineGraph(ui->plot);
-    graph1->setXColumn(columnX);
-    graph1->setYColumn(columnY1);
-    graph1->setTitle(QObject::tr("sine graph $f(x)=\\sin(x)$"));
-    ui->plot->addGraph(graph1);
-
-    JKQTPXYLineGraph* graph2=new JKQTPXYLineGraph(ui->plot);
-    graph2->setXColumn(columnX);
-    graph2->setYColumn(columnY2);
-    graph2->setSymbolType(JKQTPNoSymbol);
-    //graph2->setTitle(QObject::tr("sine{\\cdot}exp graph $f(x)=\\sin(x)\\cdot\\exp\\left(-\\frac{x}{5}\\right)$"));
-    graph2->setTitle(QObject::tr("sine*exp graph"));
-    ui->plot->addGraph(graph2);
-
-    JKQTPXYLineErrorGraph* graph3=new JKQTPXYLineErrorGraph(ui->plot);
-    graph3->setXColumn(columnX3);
-    graph3->setYColumn(columnY3);
-    graph3->setYErrorColumn(columnY3err);
-    graph3->setDrawLine(true);
-    graph3->setYErrorStyle(JKQTPErrorBarsPolygons);
-    graph3->setTitle(QObject::tr("sine \\pm errors graph"));
-    ui->plot->addGraph(graph3);
-
-    JKQTPBarVerticalGraph* graphb=new JKQTPBarVerticalGraph(ui->plot);
-    graphb->setXColumn(columnXbar);
-    graphb->setYColumn(columnYbar);
-    graphb->setTitle(QObject::tr("barchart"));
-    ui->plot->addGraph(graphb);
-
-    JKQTPBarVerticalGraph* graphb2=new JKQTPBarVerticalGraph(ui->plot);
-    graphb2->setXColumn(columnXbar);
-    graphb2->setYColumn(columnYbar2);
-    graphb2->setTitle(QObject::tr("2^{nd} barchart"));
-    ui->plot->addGraph(graphb2);
-    graphb2->autoscaleBarWidthAndShiftSeparatedGroups();
-
-    JKQTPImpulsesVerticalGraph* graphi2=new JKQTPImpulsesVerticalGraph(ui->plot);
-    graphi2->setXColumn(columnXImp);
-    graphi2->setYColumn(columnYImp);
-    graphi2->setTitle(QObject::tr("impulses"));
-    ui->plot->addGraph(graphi2);
-
-    JKQTPBoxplotHorizontalElement* graphBP=new JKQTPBoxplotHorizontalElement(ui->plot);
-    graphBP->setData(-2, 7, 10,12,13,17,22);
-    ui->plot->addGraph(graphBP);
-
-    JKQTPGeoSymbol* annotSym=new JKQTPGeoSymbol(ui->plot, 15, -3);
-    ui->plot->addGraph(annotSym);
-
-    JKQTPGeoText* annotTxt=new JKQTPGeoText(ui->plot, 15.1, -3, "Annotation $\\int_{0}^{2\\pi}\\sin(x)\\;\\mathrm{d}x$");
-    ui->plot->addGraph(annotTxt);
-
-    JKQTPGeoEllipse* geoEll=new JKQTPGeoEllipse(ui->plot, 5,-3,5,1);
-    geoEll->setAngle(-25);
-    ui->plot->addGraph(geoEll);
-
-    ui->plot->addGraph(new JKQTPGeoArrow(ui->plot, 5,-3,10,-3.5));
-
-    ui->plot->addGraph(new JKQTPGeoLine(ui->plot, 5,-3,10,-4));
-
-    // 6. autoscale the plot so the graph is contained
-    ui->plot->zoomToFit();
-
-    ui->plot->getPlotter()->setPlotLabel("Sine Plots - User-Interaction Example");
-    ui->plot->getXAxis()->setAxisLabel("x-axis");
-    ui->plot->getYAxis()->setAxisLabel("y-axis");
-
-    ui->plot->setPlotUpdateEnabled(true);
-    ui->plot->redrawPlot();
+    for (auto plt: plots) {
+        plt->setPlotUpdateEnabled(true);
+        plt->redrawPlot();
+    }
 
     if (!plotExtra) {
         plotExtra=new JKQTPlotter;
+        plotExtra->setWindowTitle("2: symbols/lines");
         plotExtra->show();
         plotExtra->resize(width(),300);
         plotExtra->move(pos().x(), pos().y()+height()+32);
     }
     plotExtra->setPlotUpdateEnabled(false);
-    plotExtra->clearGraphs(true);
-    plotExtra->getPlotter()->setBackgroundColor(ui->plot->getPlotter()->getBackgroundColor());
-    plotExtra->getPlotter()->setExportBackgroundColor(ui->plot->getPlotter()->getExportBackgroundColor());
-    plotExtra->getPlotter()->setPlotBackgroundColor(ui->plot->getPlotter()->getPlotBackgroundColor());
-    plotExtra->getXAxis()->setDrawMode1(JKQTPCADMnone);
-    plotExtra->getXAxis()->setDrawMode2(JKQTPCADMnone);
-    plotExtra->getYAxis()->setDrawMode1(JKQTPCADMnone);
-    plotExtra->getYAxis()->setDrawMode2(JKQTPCADMnone);
-    double x=1;
-    double xlineend=6;
-    double y=1;
-    double xmax=15;
-    int cnt=0;
-    for (auto s: ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphSymbols) {
-        plotExtra->addGraph(new JKQTPGeoSymbol(plotExtra.data(), x, y, s, 12, QColor("red"), QColor("salmon") ));
-        x+=1;
-        xmax=qMax(x, xmax);
-        if (cnt>0 && cnt%25==0) {
-            x=1;
-            y+=1.0;
-        }
-        cnt++;
-    }
-    y=y+1;
-    double ycoltest=y;
-    for (auto s: ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphPenStyles) {
-        JKQTPGeoLine* l;
-        plotExtra->addGraph(l=new JKQTPGeoLine(plotExtra.data(), 1,y,xlineend,y)); l->setStyle(QColor("red"), 2, s);
-        plotExtra->addGraph(l=new JKQTPGeoLine(plotExtra.data(), 1,y-0.25,xlineend,y-0.25)); l->setStyle(QColor("maroon"), 1, s);
-        y+=0.75;
-    }
-    x=xlineend+1;
-    const int cntFillTests=qMax(ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.size(), ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.size());
-    double dx=(xmax-xlineend-1.0)/static_cast<double>(cntFillTests);
-    for (int i=0; i<cntFillTests; i++) {
-        const auto col=ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.value(i%ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphColors.size(), Qt::black);
-        const auto fs=ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.value(i%ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.size(), Qt::SolidPattern);
-        JKQTPGeoLine* l;
-        plotExtra->addGraph(l=new JKQTPGeoLine(plotExtra.data(), x,ycoltest,x,y-0.5)); l->setStyle(col,5);
-        JKQTPGeoRectangle* r;
-        plotExtra->addGraph(r=new JKQTPGeoRectangle(plotExtra.data(), x+dx/2,(ycoltest+y-0.5)/2.0, dx*0.5, y-ycoltest-0.5));
-        r->setStyle(col,1, Qt::SolidLine, JKQTPGetDerivedColor(ui->plot->getPlotter()->getCurrentPlotterStyle().graphsStyle.defaultGraphStyle.fillColorDerivationMode, col), fs);
-        x+=dx;
-    }
-    plotExtra->zoomToFit();
-    plotExtra->setX(0, plotExtra->getXMax()+2);
-    plotExtra->setY(0, plotExtra->getYMax()+1);
-    plotExtra->setGrid(false);
-    plotExtra->getPlotter()->setPlotLabel("default symbols/lines/colors");
+
+    buildLineSymbolSampler(plotExtra->getPlotter(), bplots[0]);
+
     plotExtra->setPlotUpdateEnabled(true);
     plotExtra->redrawPlot();
 }

examples/styling/test_styling.h

@@ -27,6 +27,8 @@ class TestStyling : public QMainWindow
         Ui::TestStyling *ui;
         void initPlot();
         QPointer<JKQTPlotter> plotExtra;
+        QVector<JKQTPlotter*> plots;
+        QVector<JKQTBasePlotter*> bplots;
 };
 
 #endif // TEST_STYLING_H

examples/styling/test_styling.ui

@@ -6,21 +6,65 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>1068</width>
-    <height>691</height>
+    <width>1547</width>
+    <height>976</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>1: Tutorial/TestApp: JKQTPlotter Styling</string>
   </property>
   <widget class="QWidget" name="centralwidget">
-   <layout class="QVBoxLayout" name="verticalLayout_2">
+   <layout class="QHBoxLayout" name="horizontalLayout_2">
     <item>
      <widget class="QSplitter" name="splitter">
       <property name="orientation">
        <enum>Qt::Horizontal</enum>
       </property>
-      <widget class="JKQTPlotter" name="plot" native="true"/>
+      <property name="childrenCollapsible">
+       <bool>false</bool>
+      </property>
+      <widget class="QWidget" name="layoutWidget_2" native="true">
+       <layout class="QGridLayout" name="gridLayout_2">
+        <item row="1" column="2">
+         <widget class="JKQTPlotter" name="plot7" native="true"/>
+        </item>
+        <item row="0" column="1">
+         <widget class="JKQTPlotter" name="plot2" native="true">
+          <property name="minimumSize">
+           <size>
+            <width>200</width>
+            <height>0</height>
+           </size>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="2">
+         <widget class="JKQTPlotter" name="plot3" native="true"/>
+        </item>
+        <item row="1" column="1">
+         <widget class="JKQTPlotter" name="plot6" native="true"/>
+        </item>
+        <item row="0" column="0">
+         <widget class="JKQTPlotter" name="plot1" native="true">
+          <property name="minimumSize">
+           <size>
+            <width>200</width>
+            <height>0</height>
+           </size>
+          </property>
+         </widget>
+        </item>
+        <item row="1" column="0">
+         <widget class="JKQTPlotter" name="plot5" native="true"/>
+        </item>
+        <item row="0" column="3">
+         <widget class="JKQTPlotter" name="plot4" native="true"/>
+        </item>
+        <item row="1" column="3">
+         <widget class="JKQTPlotter" name="plot8" native="true"/>
+        </item>
+       </layout>
+      </widget>
       <widget class="QWidget" name="layoutWidget">
        <layout class="QVBoxLayout" name="verticalLayout">
         <item>
@@ -219,8 +263,8 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>1068</width>
-     <height>17</height>
+     <width>1547</width>
+     <height>22</height>
     </rect>
    </property>
   </widget>

tools/jkqtplotter_doc_imagegenerator/CMakeLists.txt

@@ -10,12 +10,14 @@ message( STATUS "..   Building Tool ${EXAMPLE_NAME}" )
 set(SOURCES
     ${EXAMPLE_NAME}.cpp
 )
-set(HEADERS  )
+set(HEADERS
+    ${CMAKE_CURRENT_LIST_DIR}/../../examples/styling/build_test_graphs.h
+)
 set(RESOURCES  )
 set(UIS  )
 
 add_executable(${EXENAME} WIN32 ${SOURCES} ${HEADERS} ${RESOURCES} ${UIS})
-target_include_directories(${EXENAME} PRIVATE ../../lib)
+target_include_directories(${EXENAME} PRIVATE ../../lib ${CMAKE_CURRENT_LIST_DIR}/../../examples/styling/)
 if(JKQtPlotter_BUILD_STATIC_LIBS)
     target_link_libraries(${EXENAME} JKQTPlotterLib)
 elseif(JKQtPlotter_BUILD_SHARED_LIBS)

tools/jkqtplotter_doc_imagegenerator/jkqtplotter_doc_imagegenerator.cpp

@@ -15,6 +15,7 @@
 #include <QTextStream>
 #include <algorithm>
 #include <QDateTime>
+#include <QVector>
 #if (QT_VERSION>=QT_VERSION_CHECK(6, 0, 0))
 #include<QRegularExpression>
 #include<QRegularExpressionMatch>
@@ -25,15 +26,7 @@
 #include "jkqtcommon/jkqtpdrawingtools.h"
 #include "jkqtcommon/jkqtpenhancedpainter.h"
 #include "jkqtplotter/jkqtpbaseplotter.h"
-#include "jkqtplotter/graphs/jkqtplines.h"
-#include "jkqtplotter/graphs/jkqtpscatter.h"
-#include "jkqtplotter/graphs/jkqtpbarchart.h"
-#include "jkqtplotter/graphs/jkqtpimage.h"
-#include "jkqtplotter/graphs/jkqtpgeometric.h"
-#include "jkqtplotter/graphs/jkqtpgeoannotations.h"
-#include "jkqtplotter/graphs/jkqtpboxplot.h"
-#include "jkqtplotter/graphs/jkqtpfilledcurve.h"
-#include "jkqtplotter/graphs/jkqtpimpulses.h"
+#include "build_test_graphs.h"
 #include <iostream>
 #if __cplusplus >= 202002L
 # include <version>
@@ -55,6 +48,21 @@ void startPainting(QImage& img, JKQTPEnhancedPainter& p, int iconsize, QColor ba
     startPainting(img, p, iconsize,iconsize,backgroundColor);
 }
 
+void startPaintingChecker(QImage& img, JKQTPEnhancedPainter& p, int iconsizex, int iconsizey, int check_size, QColor backgroundColor1, QColor backgroundColor2) {
+    img=QImage(QSize(iconsizex,iconsizey),QImage::Format_ARGB32_Premultiplied);
+    img.fill(backgroundColor1);
+    p.begin(&img);
+    p.setRenderHint(QPainter::Antialiasing);
+    p.setRenderHint(QPainter::TextAntialiasing);
+    p.setRenderHint(QPainter::SmoothPixmapTransform);
+    for (int y=0; y<iconsizey+check_size; y+=check_size*2) {
+        for (int x=0; x<iconsizex+check_size; x+=check_size*2) {
+            p.fillRect(x,y,check_size,check_size,backgroundColor2);
+            p.fillRect(x+check_size,y+check_size,check_size,check_size,backgroundColor2);
+        }
+    }
+}
+
 
 void stopPaintingAndSave(QImage& img, JKQTPEnhancedPainter& p, const QString& filename) {
     p.end();
@@ -127,6 +135,18 @@ void doListLineDecorators(const QDir& outputDir, int iconsize, QColor background
     }
 }
 
+void doListPalettes(const QDir& outputDir, QSize iconsize) {
+    for (uint64_t i=0; i<JKQTPMathImagePREDEFINED_PALETTES_COUNT; i++) {
+        const JKQTPMathImageColorPalette s=static_cast<JKQTPMathImageColorPalette>(i);
+        QImage  img;
+        JKQTPEnhancedPainter p;
+        startPaintingChecker(img, p, iconsize.width(),iconsize.height(), iconsize.height()/6, QColor("white"), QColor("silver"));
+
+        p.drawImage(0,0,JKQTPImageTools::GetPaletteImage(i,iconsize.width(), iconsize.height()));
+        stopPaintingAndSave(img, p, outputDir.absoluteFilePath("palette_"+JKQTPImageTools::JKQTPMathImageColorPalette2String(s)+".png"));
+    }
+}
+
 
 void doListErrorIndicators(const QDir& outputDir, int iconsize, QColor backgroundColor) {
     JKQTBasePlotter plot(true);
@@ -389,221 +409,39 @@ void doListAxisStyling(const QDir& outputDir, int iconsize, QColor backgroundCol
     plot.grabPixelImage(QSize(plot.getWidth(),plot.getHeight()), false).copy(0,0,plot.getWidth(),plot.getHeight()).save(outputDir.absoluteFilePath("axis_unit_scaling_pi.png"), "png");
 }
 
-void plotStyle(JKQTBasePlotter& plot) {
+void plotStyle(const QSettings& style, QSize examplePlotSize, const QString& examplePlotFilename, QSize samplePlotSize, const QString& samplePlotFilename ) {
+    JKQTBasePlotter plotExtra(true);
 
-    // 0. get a pointer to the internal datastore (for convenience)
-    JKQTPDatastore* ds=plot.getDatastore();
+    QVector<JKQTBasePlotter*> plots;
+    for (int x=0; x<DEFAULT_PLOT_SIZE.width(); x++) {
+        for (int y=0; y<DEFAULT_PLOT_SIZE.height(); y++) {
+            if (x==0 && y==0) {
+                plots<<new JKQTBasePlotter(true);
+            } else {
+                plots<<new JKQTBasePlotter(false, nullptr, plots.first()->getDatastore());
+            }
+        }
+    }
+    for (auto p: plots) {
+        p->loadCurrentPlotterStyle(style);
+        p->setWidgetSize(QSize(examplePlotSize.width()/DEFAULT_PLOT_SIZE.width(),examplePlotSize.height()/DEFAULT_PLOT_SIZE.height()));
+    }
+    plotExtra.setWidgetSize(samplePlotSize);
+    setupGridPrintingAndDatastores(plots, DEFAULT_PLOT_SIZE);
+    buildPlots(plots);
+    buildLineSymbolSampler(&plotExtra, plots.first());
 
-    // 1. clear old graphs/data
-    plot.clearGraphs(true);
-    ds->clear();
+    //QSize(examplePlotSize.width()*DEFAULT_PLOT_SIZE.width(),examplePlotSize.height()*DEFAULT_PLOT_SIZE.height())
+    plots.first()->grabPixelImage(examplePlotSize, false).save(examplePlotFilename);
+    //plots.first()->saveAsPixelImage(examplePlotFilename, false);
+    plotExtra.grabPixelImage(samplePlotSize, false).save(samplePlotFilename);
 
-    // 2. now we create data for a simple plot (a sine curve)
-    QVector<double> X, Y1, Y2, img, X3, Y3, Y3err, Xbar, Ybar, Ybar2, Y4, Y5, XImp, YImp;
-    const int Ndata=100;
-    for (int i=0; i<Ndata; i++) {
-        const double x=double(i)/double(Ndata)*8.0*JKQTPSTATISTICS_PI;
-        X<<x;
-        Y1<<1.1+sin(x);
-        Y2<<1.1+sin(x)*exp(-0.2*x);
-        Y4<<4.5*exp(-x/10.0);
-        Y5<<2.5*exp(-x/10.0)+1.0;
-        if (i%5==0) {
-            X3<<x;
-            Y3<<(2.5+Y1.last());
-            Y3err<<(double(i+5)/double(Ndata)*0.5);
-        }
-        if (i>0 && i%20==0) {
-            Xbar<<x/2.0;
-            Ybar<<(double(i+5)/double(Ndata)*(-1.5));
-            Ybar2<<(double(i+5)/double(Ndata)*(-1.2));
-        }
-        if (i%8==0) {
-            XImp<<15.0+x/3.0;
-            YImp<<-1.0+0.5*sin(x);
-        }
-    }
-    auto fgauss=[](double x, double y, double x0, double y0, double sx, double sy) {
-        return exp(-2.0*(x-x0)*(x-x0)/sx/sx-2.0*(y-y0)*(y-y0)/sy/sy);
-    };
-    for (int i=0; i<Ndata; i++) {
-        for (int j=0; j<Ndata; j++) {
-            img.push_back(fgauss(j,i,Ndata/3,Ndata/3,Ndata/5,Ndata/3)+fgauss(j,i,Ndata*3/4,Ndata*2/3,Ndata/2,Ndata/4));
+
+    for (int i=plots.size()-1; i>=0; i--) {
+        delete plots[i];
     }
 }
 
-    // 3. make data available to JKQTPlotter by adding it to the internal datastore.
-    //    Note: In this step the data is copied (of not specified otherwise), so you can
-    //          reuse X and Y afterwards!
-    //    the variables columnX and columnY will contain the internal column ID of the newly
-    //    created columns with names "x" and "y" and the (copied) data from X and Y.
-    size_t columnX=ds->addCopiedColumn(X, "x");
-    size_t columnY1=ds->addCopiedColumn(Y1, "y1");
-    size_t columnY2=ds->addCopiedColumn(Y2, "y2");
-    size_t columnImg=ds->addCopiedColumn(img, "img");
-    size_t columnX3=ds->addCopiedColumn(X3, "x3");
-    size_t columnY3=ds->addCopiedColumn(Y3, "y3");
-    size_t columnY3err=ds->addCopiedColumn(Y3err, "y3err");
-    size_t columnXbar=ds->addCopiedColumn(Xbar, "xbar");
-    size_t columnYbar=ds->addCopiedColumn(Ybar, "ybar");
-    size_t columnYbar2=ds->addCopiedColumn(Ybar2, "Ybar2");
-    size_t columnY4=ds->addCopiedColumn(Y4, "y4");
-    size_t columnY5=ds->addCopiedColumn(Y5, "y5");
-    size_t columnXImp=ds->addCopiedColumn(XImp, "ximp");
-    size_t columnYImp=ds->addCopiedColumn(YImp, "yimp");
-
-    // 4. create diverse graphs in the plot:
-    JKQTPFilledCurveXGraph* graphf4=new JKQTPFilledCurveXGraph(&plot);
-    graphf4->setXColumn(columnX);
-    graphf4->setYColumn(columnY4);
-    graphf4->setTitle(QObject::tr("filled exp-function"));
-    plot.addGraph(graphf4);
-
-    JKQTPFilledCurveXGraph* graphf5=new JKQTPFilledCurveXGraph(&plot);
-    graphf5->setXColumn(columnX);
-    graphf5->setYColumn(columnY5);
-    graphf5->setTitle(QObject::tr("other filled exp-function"));
-    plot.addGraph(graphf5);
-
-    JKQTPColumnMathImage* graphI=new JKQTPColumnMathImage(&plot);
-    graphI->setImageColumn(columnImg);
-    graphI->setNx(Ndata);
-    graphI->setNy(Ndata);
-    graphI->setColorBarTopVisible(true);
-    graphI->setColorBarRightVisible(true);
-    graphI->setX(0.5);
-    graphI->setY(-2.0);
-    graphI->setWidth(5);
-    graphI->setHeight(1);
-    graphI->setTitle(QObject::tr("2{\\times}Gauss"));
-    plot.addGraph(graphI);
-
-    JKQTPXYLineGraph* graph1=new JKQTPXYLineGraph(&plot);
-    graph1->setXColumn(columnX);
-    graph1->setYColumn(columnY1);
-    graph1->setTitle(QObject::tr("sine graph $f(x)=\\sin(x)$"));
-    plot.addGraph(graph1);
-
-    JKQTPXYLineGraph* graph2=new JKQTPXYLineGraph(&plot);
-    graph2->setXColumn(columnX);
-    graph2->setYColumn(columnY2);
-    graph2->setSymbolType(JKQTPNoSymbol);
-    //graph2->setTitle(QObject::tr("sine{\\cdot}exp graph $f(x)=\\sin(x)\\cdot\\exp\\left(-\\frac{x}{5}\\right)$"));
-    graph2->setTitle(QObject::tr("sine*exp graph"));
-    plot.addGraph(graph2);
-
-    JKQTPXYLineErrorGraph* graph3=new JKQTPXYLineErrorGraph(&plot);
-    graph3->setXColumn(columnX3);
-    graph3->setYColumn(columnY3);
-    graph3->setYErrorColumn(columnY3err);
-    graph3->setDrawLine(true);
-    graph3->setYErrorStyle(JKQTPErrorBarsPolygons);
-    graph3->setTitle(QObject::tr("sine \\pm errors graph"));
-    plot.addGraph(graph3);
-
-    JKQTPBarVerticalGraph* graphb=new JKQTPBarVerticalGraph(&plot);
-    graphb->setXColumn(columnXbar);
-    graphb->setYColumn(columnYbar);
-    graphb->setTitle(QObject::tr("barchart"));
-    plot.addGraph(graphb);
-
-    JKQTPBarVerticalGraph* graphb2=new JKQTPBarVerticalGraph(&plot);
-    graphb2->setXColumn(columnXbar);
-    graphb2->setYColumn(columnYbar2);
-    graphb2->setTitle(QObject::tr("2^{nd} barchart"));
-    plot.addGraph(graphb2);
-    graphb2->autoscaleBarWidthAndShiftSeparatedGroups();
-
-    JKQTPImpulsesVerticalGraph* graphi2=new JKQTPImpulsesVerticalGraph(&plot);
-    graphi2->setXColumn(columnXImp);
-    graphi2->setYColumn(columnYImp);
-    graphi2->setTitle(QObject::tr("impulses"));
-    plot.addGraph(graphi2);
-
-    JKQTPBoxplotHorizontalElement* graphBP=new JKQTPBoxplotHorizontalElement(&plot);
-    graphBP->setData(-2, 7, 10,12,13,17,22);
-    plot.addGraph(graphBP);
-
-    JKQTPGeoSymbol* annotSym=new JKQTPGeoSymbol(&plot, 15, -3);
-    plot.addGraph(annotSym);
-
-    JKQTPGeoText* annotTxt=new JKQTPGeoText(&plot, 15.1, -3, "Annotation $\\int_{0}^{2\\pi}\\sin(x)\\;\\mathrm{d}x$");
-    plot.addGraph(annotTxt);
-
-    JKQTPGeoEllipse* geoEll=new JKQTPGeoEllipse(&plot, 5,-3,5,1);
-    geoEll->setAngle(-25);
-    plot.addGraph(geoEll);
-
-    plot.addGraph(new JKQTPGeoArrow(&plot, 5,-3,10,-3.5));
-
-    plot.addGraph(new JKQTPGeoLine(&plot, 5,-3,10,-4));
-
-    // 6. autoscale the plot so the graph is contained
-    plot.zoomToFit();
-
-    plot.setPlotLabel("Sine Plots - User-Interaction Example");
-    plot.getXAxis()->setAxisLabel("x-axis");
-    plot.getYAxis()->setAxisLabel("y-axis");
-
-    plot.redrawPlot();
-}
-
-void plotStyleSymbols(JKQTBasePlotter& plotExtra, const JKQTBasePlotter& plot) {
-    plotExtra.clearGraphs(true);
-    plotExtra.setBackgroundColor(plot.getBackgroundColor());
-    plotExtra.setExportBackgroundColor(plot.getExportBackgroundColor());
-    plotExtra.setPlotBackgroundColor(plot.getPlotBackgroundColor());
-    plotExtra.getXAxis()->setDrawMode1(JKQTPCADMnone);
-    plotExtra.getXAxis()->setDrawMode2(JKQTPCADMnone);
-    plotExtra.getYAxis()->setDrawMode1(JKQTPCADMnone);
-    plotExtra.getYAxis()->setDrawMode2(JKQTPCADMnone);
-    double x=1;
-    double xlineend=6;
-    double y=1;
-    double xmax=15;
-    int cnt=0;
-    for (auto s: plot.getCurrentPlotterStyle().graphsStyle.defaultGraphSymbols) {
-        plotExtra.addGraph(new JKQTPGeoSymbol(&plotExtra, x, y, s, 12 ));
-        const auto col=plot.getCurrentPlotterStyle().graphsStyle.defaultGraphColors.value(0, Qt::black);
-        dynamic_cast<JKQTPGeoSymbol*>(plotExtra.getGraph(cnt))->setSymbolColor(col);
-        dynamic_cast<JKQTPGeoSymbol*>(plotExtra.getGraph(cnt))->setSymbolFillColor(col);
-        x+=1;
-        xmax=qMax(x, xmax);
-        if (cnt>0 && cnt%25==0) {
-            x=1;
-            y+=1.0;
-        }
-        cnt++;
-    }
-    y=y+1;
-    double ycoltest=y;
-    for (auto s: plot.getCurrentPlotterStyle().graphsStyle.defaultGraphPenStyles) {
-        JKQTPGeoLine* l;
-        plotExtra.addGraph(l=new JKQTPGeoLine(&plotExtra, 1,y,xlineend,y)); l->setStyle(QColor("red"), 2, s);
-        const auto col=plot.getCurrentPlotterStyle().graphsStyle.defaultGraphColors.value(0, Qt::black);
-        dynamic_cast<JKQTPGeoLine*>(plotExtra.getGraph(cnt))->setLineColor(col);
-        y+=0.75;
-    }
-    x=xlineend+1;
-    const int cntFillTests=qMax(plot.getCurrentPlotterStyle().graphsStyle.defaultGraphColors.size(), plot.getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.size());
-    double dx=(xmax-xlineend-1.0)/static_cast<double>(cntFillTests);
-    for (int i=0; i<cntFillTests; i++) {
-        const auto col=plot.getCurrentPlotterStyle().graphsStyle.defaultGraphColors.value(i%plot.getCurrentPlotterStyle().graphsStyle.defaultGraphColors.size(), Qt::black);
-        const auto fs=plot.getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.value(i%plot.getCurrentPlotterStyle().graphsStyle.defaultGraphFillStyles.size(), Qt::SolidPattern);
-        JKQTPGeoLine* l;
-        plotExtra.addGraph(l=new JKQTPGeoLine(&plotExtra, x,ycoltest,x,y-0.5)); l->setStyle(col,5);
-        JKQTPGeoRectangle* r;
-        plotExtra.addGraph(r=new JKQTPGeoRectangle(&plotExtra, x+dx/2,(ycoltest+y-0.5)/2.0, dx*0.5, y-ycoltest-0.5));
-        r->setStyle(col,1, Qt::SolidLine, JKQTPGetDerivedColor(plot.getCurrentPlotterStyle().graphsStyle.defaultGraphStyle.fillColorDerivationMode, col), fs);
-        x+=dx;
-    }
-    plotExtra.zoomToFit();
-    plotExtra.setX(0, plotExtra.getXMax()+2);
-    plotExtra.setY(0, plotExtra.getYMax()+1);
-    plotExtra.setGrid(false);
-    plotExtra.setPlotLabel("default symbols/lines/colors");
-    plotExtra.redrawPlot();
-}
 
 
 void doListStyles(const QDir& outputDir, const QStringList& doctomodify, int iconsize, QColor backgroundColor) {
@@ -612,19 +450,17 @@ void doListStyles(const QDir& outputDir, const QStringList& doctomodify, int ico
     {
         QTextStream shtml(&doc);
         shtml<<"<table>\n  <tr>\n    <th>Style-file\n    <th>Screenshot\n    <th>Symbols\n";
-        for (auto& f: dir.entryList()) {
+        auto files=dir.entryList();
+        if (files.indexOf("default.ini")>=0) {
+            files.swapItemsAt(0,files.indexOf("default.ini"));
+        }
+        for (auto& f: files) {
             qDebug()<<"plotting example for style "<<f;
 
-            JKQTBasePlotter plot(true);
-            plot.setWidgetSize(iconsize,iconsize);
-            plot.loadCurrentPlotterStyle(QSettings(dir.absoluteFilePath(f), QSettings::IniFormat));
-            plotStyle(plot);
-            plot.grabPixelImage(QSize(plot.getWidth(),plot.getHeight()), false).copy(0,0,plot.getWidth(),plot.getHeight()).save(outputDir.absoluteFilePath(f+".png"), "png");
 
-            JKQTBasePlotter plotExtra(true);
-            plotExtra.setWidgetSize(iconsize*2, iconsize/3);
-            plotStyleSymbols(plotExtra, plot);
-            plotExtra.grabPixelImage(QSize(plotExtra.getWidth(),plotExtra.getHeight()), false).copy(0,0,plotExtra.getWidth(),plotExtra.getHeight()).save(outputDir.absoluteFilePath(f+".symbols.png"), "png");
+            plotStyle(QSettings(dir.absoluteFilePath(f), QSettings::IniFormat),
+                      QSize(iconsize,iconsize*DEFAULT_PLOT_SIZE.height()/DEFAULT_PLOT_SIZE.width()), outputDir.absoluteFilePath(f+".png"),
+                      QSize(iconsize/3*2, iconsize/3*2/2), outputDir.absoluteFilePath(f+".symbols.png"));
 
             shtml<<"  <tr>\n"
                  <<"    <td><a href=\"https://github.com/jkriege2/JKQtPlotter/tree/master/lib/jkqtplotter/resources/styles/"<<f<<"\"><code>"<<dir.absoluteFilePath(f)<<"</code></a>\n"
@@ -677,6 +513,8 @@ int main(int argc, char* argv[])
     parser.addOption(listerrorindicatorsOption);
     QCommandLineOption listaxisstylepropsOption("listaxisstyleprops", "generate example images for JKQTPCALabelType and other coordinate axis properties.");
     parser.addOption(listaxisstylepropsOption);
+    QCommandLineOption listpalettesOption("listpalettes", "generate example images for all predefined palettes.");
+    parser.addOption(listpalettesOption);
     QCommandLineOption liststylesOption("liststyles", "generate example images for all predefined style INI files.");
     parser.addOption(liststylesOption);
     QCommandLineOption iconsizeOption("iconsize", "typical size of the generatued images.", "iconsize", "24");
@@ -688,6 +526,7 @@ int main(int argc, char* argv[])
     const QDir outputDir(parser.value(outputDirectoryOption));
     const QStringList doctomodify(parser.value(doctomodifyectoryOption).split(","));
     const bool listsymbols=parser.isSet(listsymbolsOption);
+    const bool listpalettes=parser.isSet(listpalettesOption);
     const bool listlinedecorators=parser.isSet(listlinedecoratorsOption);
     const bool listerrorindicators=parser.isSet(listerrorindicatorsOption);
     const bool listaxisstyleprops=parser.isSet(listaxisstylepropsOption);
@@ -702,6 +541,7 @@ int main(int argc, char* argv[])
     if (listerrorindicators) doListErrorIndicators(outputDir, iconsize, backgroundColor);
     if (listaxisstyleprops) doListAxisStyling(outputDir, iconsize, backgroundColor);
     if (liststyles) doListStyles(outputDir, doctomodify, iconsize, backgroundColor);
+    if (listpalettes) doListPalettes(outputDir, QSize(iconsize,qMax(5,iconsize/16)));
 
     return EXIT_SUCCESS;
 }