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JKQtPlotter/examples/styling/test_styling.cpp

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#include "test_styling.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>
#include <QFileDialog>
TestStyling::TestStyling(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::TestStyling)
{
// set up the GUI
ui->setupUi(this);
ui->splitter->setStretchFactor(0,1);
ui->splitter->setStretchFactor(1,1);
// 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)));
// store JKQTPlotter plotterStyle to a temporary INI-file
// and then load that temporary file into the plainTextEdit,
// using on_btnLoad_clicked(tmpfn). This ensures that the currently
// set plotterStyle is visible in the plainTextEdit and can be edited
// by the user
QString tmpfn=QDir::tempPath()+"/jkqtplotter_config.tmp";
{
QSettings settings(tmpfn, QSettings::IniFormat);
ui->plot->saveCurrentPlotterStyle(settings);
}
on_btnLoad_clicked(tmpfn);
QFile::remove(tmpfn);
}
TestStyling::~TestStyling()
{
delete ui;
if (!plotExtra.isNull()) {
plotExtra->close();
plotExtra.clear();
}
}
void TestStyling::on_btnUpdate_clicked()
{
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
// In this function, we store the data from the plainTextEdit into a temporary file
// tmpfn and the use that file's contents to create a QSettings object, which is used
// to read the plotterStyle into the JKQTPlotter-object ui->plot (using loadCurrentPlotterStyle(settings) )
QString tmpfn=QDir::tempPath()+"/jkqtplotter_config.tmp";
{
QFile data(tmpfn);
if (data.open(QFile::WriteOnly|QFile::Text)) {
QTextStream out(&data);
out << ui->plainTextEdit->toPlainText();
}
}
{
QSettings settings(tmpfn, QSettings::IniFormat);
ui->plot->loadCurrentPlotterStyle(settings);
initPlot();
ui->chkDebugBoxes->setChecked(ui->plot->getPlotter()->isDebugShowRegionBoxesEnabled());
}
QFile::remove(tmpfn);
QApplication::restoreOverrideCursor();
}
void TestStyling::on_btnLoad_clicked(const QString& filename)
{
// loads a plotterTsyle INI file from harddisk into the plainTextEdit
// and then calls on_btnUpdate_clicked() to apply it immediately to plot
QString fn=filename;
if (fn.size()==0) {
fn=QFileDialog::getOpenFileName(this, tr("Open Styling INI-File"),
"",
tr("Styling INI (*.ini *.cfg *.txt)"));
}
if (fn.size()>0) {
QFile data(fn);
if (data.open(QFile::ReadOnly|QFile::Text)) {
ui->plainTextEdit->setPlainText(data.readAll());
}
}
on_btnUpdate_clicked();
}
void TestStyling::on_btnSave_clicked()
{
// stores the contents of plainTextEdit into a file on the harddisk
QString fn=QFileDialog::getSaveFileName(this, tr("Save Styling INI-File"),
"",
tr("Styling INI (*.ini *.cfg *.txt)"));
if (fn.size()>0) {
QFile data(fn);
if (data.open(QFile::WriteOnly|QFile::Text)) {
QTextStream out(&data);
out << ui->plainTextEdit->toPlainText();
}
QPixmap img=ui->plot->grab();
img.save(fn+".png", "png");
ui->plot->saveImage(fn+".export.png", false);
}
}
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));
}
}
// 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(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();
if (!plotExtra) {
plotExtra=new JKQTPlotter;
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");
plotExtra->setPlotUpdateEnabled(true);
plotExtra->redrawPlot();
}
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