mirror of
https://github.com/jkriege2/JKQtPlotter.git
synced 2024-12-26 10:31:39 +08:00
284 lines
11 KiB
C++
284 lines
11 KiB
C++
#include "test_styling.h"
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#include "ui_test_styling.h"
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#include "jkqtplotter/jkqtplotter.h"
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#include "jkqtplotter/graphs/jkqtpscatter.h"
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#include "jkqtplotter/graphs/jkqtpbarchart.h"
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#include "jkqtplotter/graphs/jkqtpimage.h"
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#include "jkqtplotter/graphs/jkqtpgeometric.h"
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#include <QDir>
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#include <QTextStream>
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#include <QFileDialog>
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TestStyling::TestStyling(QWidget *parent) :
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QMainWindow(parent),
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ui(new Ui::TestStyling)
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{
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// set up the GUI
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ui->setupUi(this);
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ui->splitter->setStretchFactor(0,1);
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ui->splitter->setStretchFactor(1,1);
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// initialize a simple plot
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initPlot();
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// connect GUI to JKQTPlotter
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connect(ui->chkGrid, SIGNAL(toggled(bool)), ui->plot, SLOT(setGrid(bool)));
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connect(ui->chkLogX, SIGNAL(toggled(bool)), ui->plot->getXAxis(), SLOT(setLogAxis(bool)));
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connect(ui->chkLogY, SIGNAL(toggled(bool)), ui->plot->getYAxis(), SLOT(setLogAxis(bool)));
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connect(ui->chkDebugBoxes, SIGNAL(toggled(bool)), ui->plot->getPlotter(), SLOT(enableDebugShowRegionBoxes(bool)));
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// store JKQTPlotter plotterStyle to a temporary INI-file
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// and then load that temporary file into the plainTextEdit,
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// using on_btnLoad_clicked(tmpfn). This ensures that the currently
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// set plotterStyle is visible in the plainTextEdit and can be edited
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// by the user
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QString tmpfn=QDir::tempPath()+"/jkqtplotter_config.tmp";
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{
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QSettings settings(tmpfn, QSettings::IniFormat);
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ui->plot->saveCurrentPlotterStyle(settings);
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}
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on_btnLoad_clicked(tmpfn);
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QFile::remove(tmpfn);
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}
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TestStyling::~TestStyling()
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{
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delete ui;
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if (!plotExtra.isNull()) {
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plotExtra->close();
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plotExtra.clear();
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}
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}
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void TestStyling::on_btnUpdate_clicked()
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{
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QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
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// In this function, we store the data from the plainTextEdit into a temporary file
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// tmpfn and the use that file's contents to create a QSettings object, which is used
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// to read the plotterStyle into the JKQTPlotter-object ui->plot (using loadCurrentPlotterStyle(settings) )
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QString tmpfn=QDir::tempPath()+"/jkqtplotter_config.tmp";
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{
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QFile data(tmpfn);
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if (data.open(QFile::WriteOnly|QFile::Text)) {
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QTextStream out(&data);
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out << ui->plainTextEdit->toPlainText();
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}
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}
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{
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QSettings settings(tmpfn, QSettings::IniFormat);
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ui->plot->loadCurrentPlotterStyle(settings);
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initPlot();
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ui->chkDebugBoxes->setChecked(ui->plot->getPlotter()->isDebugShowRegionBoxesEnabled());
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}
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QFile::remove(tmpfn);
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QApplication::restoreOverrideCursor();
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}
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void TestStyling::on_btnLoad_clicked(const QString& filename)
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{
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// loads a plotterTsyle INI file from harddisk into the plainTextEdit
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// and then calls on_btnUpdate_clicked() to apply it immediately to plot
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QString fn=filename;
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if (fn.size()==0) {
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fn=QFileDialog::getOpenFileName(this, tr("Open Styling INI-File"),
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"",
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tr("Styling INI (*.ini *.cfg *.txt)"));
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}
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if (fn.size()>0) {
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QFile data(fn);
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if (data.open(QFile::ReadOnly|QFile::Text)) {
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ui->plainTextEdit->setPlainText(data.readAll());
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}
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}
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on_btnUpdate_clicked();
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}
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void TestStyling::on_btnSave_clicked()
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{
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// stores the contents of plainTextEdit into a file on the harddisk
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QString fn=QFileDialog::getSaveFileName(this, tr("Save Styling INI-File"),
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"",
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tr("Styling INI (*.ini *.cfg *.txt)"));
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if (fn.size()>0) {
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QFile data(fn);
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if (data.open(QFile::WriteOnly|QFile::Text)) {
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QTextStream out(&data);
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out << ui->plainTextEdit->toPlainText();
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}
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QPixmap img=ui->plot->grab();
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img.save(fn+".png", "png");
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ui->plot->saveImage(fn+".export.png", false);
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}
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}
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void TestStyling::initPlot()
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{
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ui->plot->setPlotUpdateEnabled(false);
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// 0. get a pointer to the internal datastore (for convenience)
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JKQTPDatastore* ds=ui->plot->getDatastore();
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// 1. clear old graphs/data
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ui->plot->clearGraphs(true);
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ds->clear();
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// 2. now we create data for a simple plot (a sine curve)
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QVector<double> X, Y1, Y2, img, X3, Y3, Y3err, Xbar, Ybar, Ybar2;
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const int Ndata=100;
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for (int i=0; i<Ndata; i++) {
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const double x=double(i)/double(Ndata)*8.0*M_PI;
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X<<x;
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Y1<<1.1+sin(x);
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Y2<<1.1+sin(x)*exp(-0.2*x);
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if (i%5==0) {
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X3<<x;
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Y3<<(1.5+Y1.last());
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Y3err<<(double(i+5)/double(Ndata)*0.5);
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}
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if (i>0 && i%20==0) {
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Xbar<<x;
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Ybar<<(double(i+5)/double(Ndata)*(-1.5));
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Ybar2<<(double(i+5)/double(Ndata)*(-1.2));
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}
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}
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auto fgauss=[](double x, double y, double x0, double y0, double sx, double sy) {
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return exp(-2.0*(x-x0)*(x-x0)/sx/sx-2.0*(y-y0)*(y-y0)/sy/sy);
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};
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for (int i=0; i<Ndata; i++) {
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for (int j=0; j<Ndata; j++) {
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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));
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}
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}
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// 3. make data available to JKQTPlotter by adding it to the internal datastore.
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// Note: In this step the data is copied (of not specified otherwise), so you can
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// reuse X and Y afterwards!
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// the variables columnX and columnY will contain the internal column ID of the newly
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// created columns with names "x" and "y" and the (copied) data from X and Y.
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size_t columnX=ds->addCopiedColumn(X, "x");
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size_t columnY1=ds->addCopiedColumn(Y1, "y1");
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size_t columnY2=ds->addCopiedColumn(Y2, "y2");
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size_t columnImg=ds->addCopiedColumn(img, "img");
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size_t columnX3=ds->addCopiedColumn(X3, "x3");
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size_t columnY3=ds->addCopiedColumn(Y3, "y3");
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size_t columnY3err=ds->addCopiedColumn(Y3err, "y3err");
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size_t columnXbar=ds->addCopiedColumn(Xbar, "xbar");
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size_t columnYbar=ds->addCopiedColumn(Ybar, "ybar");
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size_t columnYbar2=ds->addCopiedColumn(Ybar2, "Ybar2");
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// 4. create a graph in the plot, which plots the dataset X/Y:
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JKQTPColumnMathImage* graphI=new JKQTPColumnMathImage(ui->plot);
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graphI->setImageColumn(columnImg);
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graphI->setNx(Ndata);
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graphI->setNy(Ndata);
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graphI->setColorBarTopVisible(true);
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graphI->setColorBarRightVisible(true);
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graphI->setX(0.5);
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graphI->setY(-1.5);
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graphI->setWidth(5);
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graphI->setHeight(1);
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graphI->setTitle(QObject::tr("2{\\times}Gauss"));
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ui->plot->addGraph(graphI);
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JKQTPXYLineGraph* graph1=new JKQTPXYLineGraph(ui->plot);
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graph1->setXColumn(columnX);
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graph1->setYColumn(columnY1);
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graph1->setTitle(QObject::tr("sine graph $f(x)=\\sin(x)$"));
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ui->plot->addGraph(graph1);
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JKQTPXYLineGraph* graph2=new JKQTPXYLineGraph(ui->plot);
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graph2->setXColumn(columnX);
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graph2->setYColumn(columnY2);
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graph2->setSymbolType(JKQTPNoSymbol);
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//graph2->setTitle(QObject::tr("sine{\\cdot}exp graph $f(x)=\\sin(x)\\cdot\\exp\\left(-\\frac{x}{5}\\right)$"));
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graph2->setTitle(QObject::tr("sine*exp graph"));
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ui->plot->addGraph(graph2);
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JKQTPXYLineErrorGraph* graph3=new JKQTPXYLineErrorGraph(ui->plot);
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graph3->setXColumn(columnX3);
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graph3->setYColumn(columnY3);
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graph3->setYErrorColumn(columnY3err);
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graph3->setDrawLine(false);
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graph3->setTitle(QObject::tr("sine \\pm errors graph"));
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ui->plot->addGraph(graph3);
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JKQTPBarVerticalGraph* graphb=new JKQTPBarVerticalGraph(ui->plot);
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graphb->setXColumn(columnXbar);
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graphb->setYColumn(columnYbar);
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graphb->setTitle(QObject::tr("barchart"));
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ui->plot->addGraph(graphb);
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JKQTPBarVerticalGraph* graphb2=new JKQTPBarVerticalGraph(ui->plot);
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graphb2->setXColumn(columnXbar);
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graphb2->setYColumn(columnYbar2);
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graphb2->setTitle(QObject::tr("2^{nd} barchart"));
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ui->plot->addGraph(graphb2);
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graphb2->autoscaleBarWidthAndShiftSeparatedGroups();
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// 6. autoscale the plot so the graph is contained
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ui->plot->zoomToFit();
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ui->plot->getPlotter()->setPlotLabel("Sine Plots - User-Interaction Example");
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ui->plot->getXAxis()->setAxisLabel("x-axis");
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ui->plot->getYAxis()->setAxisLabel("y-axis");
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ui->plot->setPlotUpdateEnabled(true);
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ui->plot->redrawPlot();
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if (!plotExtra) {
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plotExtra=new JKQTPlotter;
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plotExtra->show();
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plotExtra->resize(width(),300);
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plotExtra->move(pos().x(), pos().y()+height()+32);
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}
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plotExtra->setPlotUpdateEnabled(false);
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plotExtra->clearGraphs(true);
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plotExtra->getPlotter()->setBackgroundColor(ui->plot->getPlotter()->getBackgroundColor());
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plotExtra->getPlotter()->setExportBackgroundColor(ui->plot->getPlotter()->getExportBackgroundColor());
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plotExtra->getPlotter()->setPlotBackgroundColor(ui->plot->getPlotter()->getPlotBackgroundColor());
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plotExtra->getXAxis()->setDrawMode1(JKQTPCADMnone);
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plotExtra->getXAxis()->setDrawMode2(JKQTPCADMnone);
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plotExtra->getYAxis()->setDrawMode1(JKQTPCADMnone);
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plotExtra->getYAxis()->setDrawMode2(JKQTPCADMnone);
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double x=1;
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double xlineend=6;
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double y=1;
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double xmax=15;
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int cnt=0;
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for (auto s: ui->plot->getPlotter()->getCurrentPlotterStyle().defaultGraphSymbols) {
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plotExtra->addGraph(new JKQTPGeoSymbol(plotExtra.data(), x, y, s, 12, QColor("red"), QColor("salmon") ));
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x+=1;
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xmax=qMax(x, xmax);
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if (cnt>0 && cnt%25==0) {
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x=1;
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y+=1.0;
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}
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cnt++;
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}
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y=y+1;
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double ycoltest=y;
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for (auto s: ui->plot->getPlotter()->getCurrentPlotterStyle().defaultGraphPenStyles) {
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plotExtra->addGraph(new JKQTPGeoLine(plotExtra.data(), 1,y,xlineend,y,QColor("red"), 2, s));
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plotExtra->addGraph(new JKQTPGeoLine(plotExtra.data(), 1,y-0.25,xlineend,y-0.25,QColor("maroon"), 1, s));
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y+=0.75;
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}
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x=xlineend+1;
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double dx=(xmax-xlineend-1.0)/static_cast<double>(ui->plot->getPlotter()->getCurrentPlotterStyle().defaultGraphColors.size());
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for (auto s: ui->plot->getPlotter()->getCurrentPlotterStyle().defaultGraphColors) {
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plotExtra->addGraph(new JKQTPGeoLine(plotExtra.data(), x,ycoltest,x,y-0.5,s,5));
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plotExtra->addGraph(new JKQTPGeoRectangle(plotExtra.data(), x+dx/2,(ycoltest+y-0.5)/2.0, dx*0.5, y-ycoltest-0.5, s,1, Qt::SolidLine, JKQTPGetDerivedColor(ui->plot->getPlotter()->getCurrentPlotterStyle().graphFillColorDerivationMode, s)));
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x+=dx;
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}
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plotExtra->zoomToFit();
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plotExtra->setX(0, plotExtra->getXMax()+2);
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plotExtra->setY(0, plotExtra->getYMax()+1);
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plotExtra->setGrid(false);
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plotExtra->getPlotter()->setPlotLabel("default symbols/lines/colors");
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plotExtra->setPlotUpdateEnabled(true);
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plotExtra->redrawPlot();
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}
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