#include <QApplication>
#include "jkqtplotter.h"


int main(int argc, char* argv[])
{
    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();

    // 2. now we create data for a simple plot (a sine curve)
    QVector<double> X, Y;
    const int Ndata=100;
    for (int i=0; i<Ndata; i++) {
        const double x=double(i)/double(Ndata)*8.0*M_PI;
        X<<x;
        Y<<sin(x);
    }

    // 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 newlycreated columns with names "x" and "y" and the (copied) 
	//    data from X and Y.
    size_t columnX=ds->addCopiedColumn(X, "x");
    size_t columnY=ds->addCopiedColumn(Y, "y");

    // 4. create a graph in the plot, which plots the dataset X/Y:
    JKQTPxyLineGraph* graph1=new JKQTPxyLineGraph(&plot);
    graph1->set_xColumn(columnX);
    graph1->set_yColumn(columnY);
    graph1->set_title(QObject::tr("sine graph"));

    // 5. add the graph to the plot, so it is actually displayed
    plot.addGraph(graph1);

    // 6. autoscale the plot so the graph is contained
    plot.zoomToFit();

    // show plotter and make it a decent size
    plot.show();
    plot.resize(600,400);

    return app.exec();
}

#include <QApplication>
#include "jkqtplotter.h"

// number of datapoints:
#define Ndata 10

int main(int argc, char* argv[])
{
    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();

    // 2. now we create data for a simple plot (a sine curve with lin. increasing errors)
    double X[Ndata], Y[Ndata], YERROR[Ndata];
    for (int i=0; i<Ndata; i++) {
        X[i]=double(i)/double(Ndata)*2.0*M_PI;
        Y[i]=sin(X[i]);
        YERROR[i]=0.2+double(i)/double(Ndata)*0.25;
    }

    // 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, Ndata, "x");
    size_t columnY=ds->addCopiedColumn(Y, Ndata, "y");
    size_t columnYE=ds->addCopiedColumn(YERROR, Ndata, "y-error");

    // 4. create a graph in the plot, which plots the dataset X/Y:
    JKQTPxyLineErrorGraph* graph1=new JKQTPxyLineErrorGraph(&plot);
    graph1->set_xColumn(columnX);
    graph1->set_yColumn(columnY);
    graph1->set_yErrorColumn(columnYE);
    graph1->set_symbol(JKQTPfilledStar); // set symbol style
    graph1->set_yErrorStyle(JKQTPerrorBars); // set error indicator type
    graph1->set_drawLine(false); // don't draw a line
    graph1->set_title(QObject::tr("sine graph"));

    // 5. add the graph to the plot, so it is actually displayed
    plot.addGraph(graph1);

    // 6. hide 0-lines
    plot.getXAxis()->set_showZeroAxis(false);
    plot.getYAxis()->set_showZeroAxis(false);

    // 7. set some axis properties (we use LaTeX for nice equation rendering)
    plot.getXAxis()->set_axisLabel(QObject::tr("x-axis $x$ [mm]"));
    plot.getYAxis()->set_axisLabel(QObject::tr("\\textbf{\\color{red}{y-axis} $\\left(y=\\sin(x)\\pm(0.2+0.25\\cdot x)\\right)$ [A.U.]}"));
    plot.getXAxis()->set_labelFont("Arial");
    plot.getYAxis()->set_labelFont("Times New Roman");
    plot.getYAxis()->set_labelFontSize(12); // large x-axis label
    plot.getYAxis()->set_tickLabelFontSize(10); // and larger y-axis tick labels

    // 8. autoscale the plot so the graph is contained
    plot.zoomToFit();

    // show plotter and make it a decent size
    plot.show();
    plot.resize(600,400);

    return app.exec();
}

#include <QApplication>
#include "jkqtplotter.h"

#define Ndata 5
int main(int argc, char* argv[])
{
    QApplication app(argc, argv);

    // 1. create a plotter window and get a pointer to the internal datastore (for convenience)
    JKQtPlotter plot;
    plot.get_plotter()->set_useAntiAliasingForGraphs(true); // nicer (but slower) plotting
    plot.get_plotter()->set_useAntiAliasingForSystem(true); // nicer (but slower) plotting
    plot.get_plotter()->set_useAntiAliasingForText(true); // nicer (but slower) text rendering
    JKQTPdatastore* ds=plot.getDatastore();

    // 2. now we create data for three simple barchart
    QString L[Ndata]={  "cat. A", "cat. B", "cat. C", "cat. D", "other"};
    double  X[Ndata]={        1,        2,        3,        4,       5};
    double Y1[Ndata]={        5,        4,        3,        4,       5};
    double Y2[Ndata]={       -5,       -3,        1,        3,       6};
    double Y3[Ndata]={        6,        2,        5,        3,       6};

    // 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)
    //    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, Ndata, "x");
    size_t columnY1=ds->addCopiedColumn(Y1, Ndata, "y1");
    size_t columnY2=ds->addCopiedColumn(Y2, Ndata, "y2");
    size_t columnY3=ds->addCopiedColumn(Y3, Ndata, "y3");

    // 4. create graphs in the plot, which plots the dataset X/Y1, X/Y2 and X/Y3:
    JKQTPbarHorizontalGraph* graph1=new JKQTPbarHorizontalGraph(&plot);
    graph1->set_xColumn(columnX);
    graph1->set_yColumn(columnY1);
    graph1->set_title(QObject::tr("dataset 1"));
    JKQTPbarHorizontalGraph* graph2=new JKQTPbarHorizontalGraph(&plot);
    graph2->set_xColumn(columnX);
    graph2->set_yColumn(columnY2);
    graph2->set_title(QObject::tr("dataset 2"));
    JKQTPbarHorizontalGraph* graph3=new JKQTPbarHorizontalGraph(&plot);
    graph3->set_xColumn(columnX);
    graph3->set_yColumn(columnY3);
    graph3->set_title(QObject::tr("dataset 3"));


    // 5. add the graphs to the plot, so it is actually displayed
    plot.addGraph(graph1);
    plot.addGraph(graph2);
    plot.addGraph(graph3);

    // 6. now we set the graphs, so they are plotted side-by-side
    //    This function searches all JKQTPbarHorizontalGraph in the current
    //    plot and sets their shift/scale so they form a nice plot with
    //    side-by-side groups
    graph1->autoscaleBarWidthAndShift(0.75, 1);

    // 7. data is grouped into 5 numbere groups (1..5), but we also have string
    //    labels for these groups (stored in L). In order to display these labels,
    //    we have to tell the x-Axis to use these special labels:
    plot.getXAxis()->addAxisTickLabels(X, L, Ndata);
    //    also we can rotate the labels a bit (by 45 degree), so they fit better
    plot.getXAxis()->set_tickLabelAngle(45);
    plot.getXAxis()->set_tickLabelFontSize(12);

    // 8. finally we move the plot key/legend to the outside, top-right
    //    and lay it out as a single row
    //    NOTE: plot is a descendent of QWidget, which uses an internal object of
    //          type JKQTBasePlotter, which does the actual plotting.
    //          So many properties of the plot are only available in this internal
    //          object, which you can access by plot.get_plotter().
    plot.get_plotter()->set_keyPosition(JKQTPkeyOutsideTopRight);
    plot.get_plotter()->set_keyLayout(JKQTPkeyLayoutOneRow);

    // 9 autoscale the plot so the graph is contained
    plot.zoomToFit();

    // show plotter and make it a decent size
    plot.show();
    plot.resize(600,400);

    return app.exec();
}

#include <QApplication>
#include <QLabel>
#include <QPixmap>
#include "jkqtmathtext.h"

int main(int argc, char* argv[])
{
    QApplication app(argc, argv);

    // we use a simple label to display the math text
    QLabel lab;

    // 1. we will paint into a QPixmap
    QPixmap pix(600,400);
    pix.fill(QColor("white"));
    QPainter painter;

    // 2. now we create a JKQTmathText object.
    //    Also we configure the JKQTmathText to use the XITS fonts that
    //    were included in the *.pro-file
    JKQTmathText mathText;
    mathText.useXITS();
    mathText.set_fontSize(20);

    // 3. now we parse some LaTeX code (the Schroedinger's equation), so
    //    we can draw it onto the QPixmap in the next step
    mathText.parse("$\\left[-\\frac{\\hbar^2}{2m}\\frac{\\partial^2}{\\partial x^2}+V(x)\\right]\\Psi(x)=\\mathrm{i}\\hbar\\frac{\\partial}{\\partial t}\\Psi(x)$");

    // 3. here we do the painting
    painter.begin(&pix);
    mathText.draw(painter, Qt::AlignCenter, QRectF(0,0,pix.width(), pix.height()), false);
    painter.end();

    // now we display and resize the label as a window
    lab.setPixmap(pix);
    lab.show();
    lab.resize(600,400);

    return app.exec();
}