add statistics to GraphicAnalysis

libs/graphic_analysis/graphic_analysis_stat.cpp

@@ -0,0 +1,66 @@
+#include "graphic_analysis_stat.h"
+
+#include "graphic_analysis.h"
+#include "ui_graphic_analysis_stat.h"
+
+#include <pistatistic.h>
+
+
+GraphicAnalysisStatistics::GraphicAnalysisStatistics(QWidget * parent): QDialog(parent) {
+	ui = new Ui::GraphicAnalysisStatistics();
+	ui->setupUi(this);
+}
+
+
+GraphicAnalysisStatistics::~GraphicAnalysisStatistics() {
+	delete ui;
+}
+
+
+void GraphicAnalysisStatistics::show(GraphicAnalysis * g, GraphicRanges::Range r) {
+	source = g;
+	range  = r;
+	if (range.isEmpty()) range = source->rangeAll();
+	ui->comboGraphic->clear();
+	for (int i = 0; i < source->graphicsCount(); ++i) {
+		auto g = source->graphic(i);
+		ui->comboGraphic->addItem(g.icon, g.name);
+	}
+	QDialog::exec();
+}
+
+
+void GraphicAnalysisStatistics::changeEvent(QEvent * e) {
+	QDialog::changeEvent(e);
+	if (e->type() == QEvent::LanguageChange) {
+		ui->retranslateUi(this);
+		return;
+	}
+}
+
+
+void GraphicAnalysisStatistics::on_comboGraphic_currentIndexChanged(int index) {
+	if (index < 0 || !source) return;
+	auto setNum     = [](double v, QLineEdit * le) { le->setText(QString::number(v)); };
+	const auto data = source->graphicData(index);
+	QPolygonF in;
+	for (const auto & i: data) {
+		if ((i.x() >= range.start) && (i.x() <= range.end)) in << i;
+	}
+	auto br = in.boundingRect();
+	setNum(br.left(), ui->lineXMin);
+	setNum(br.right(), ui->lineXMax);
+	setNum(br.bottom(), ui->lineYMin);
+	setNum(br.top(), ui->lineYMax);
+	setNum(in.size(), ui->linePoints);
+	PIVector<double> stat_in;
+	in.reserve(256);
+	for (const auto & i: in)
+		stat_in << i.y();
+	PIStatisticd stat;
+	stat.calculate(stat_in);
+	setNum(stat.mean, ui->lineMean);
+	setNum(stat.variance, ui->lineVariance);
+	setNum(stat.skewness, ui->lineSkewness);
+	setNum(stat.kurtosis, ui->lineKurtosis);
+}