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Jungfraujoch/viewer/charts/JFJochChartView.h
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// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
// SPDX-License-Identifier: GPL-3.0-only
#ifndef JFJOCH_JFJOCHCHARTVIEW_H
#define JFJOCH_JFJOCHCHARTVIEW_H
#include <QtCharts/QChartView>
#include <QtCharts/QValueAxis>
#include <QtCharts/QLineSeries>
#include <QtCharts/QScatterSeries>
#include <QMouseEvent>
#include <QGraphicsLineItem>
#include <QTimer>
#include "../../common/GoniometerAxis.h"
class JFJochChartView : public QChartView {
Q_OBJECT
QLineSeries *series = nullptr;
QScatterSeries *currentSeries = nullptr;
QGraphicsLineItem *m_hoverLine = nullptr;
QTimer *m_hoverLoadTimer = nullptr;
int64_t m_hoverPendingIdx = -1;
std::vector<float> values;
int64_t binning = 1;
int64_t curr_image = 0;
bool m_minYZeroEnabled = true;
bool m_yOneOverD = false;
std::optional<GoniometerAxis> goniometer_axis;
void updateChart();
signals:
void imageSelected(int64_t number);
void writeStatusBar(QString string, int timeout_ms = 0);
private slots:
void onHoverLoadTimeout();
private:
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
void leaveEvent(QEvent *event) override;
void contextMenuEvent(QContextMenuEvent *event) override;
public:
explicit JFJochChartView(QWidget *parent = nullptr);
void setImage(int64_t val);
public slots:
void resetZoom();
void setBinning(int64_t val);
public:
template<class T>
void loadValues(const std::vector<T> &input, int64_t image, bool one_over_d2, const std::optional<GoniometerAxis> &goniometer = {}) {
m_yOneOverD = one_over_d2;
values.resize(input.size());
goniometer_axis = goniometer;
for (int i = 0; i < input.size(); i++) {
if (one_over_d2) {
float d = static_cast<float>(input[i]);
if (!std::isfinite(d))
values[i] = 0.0f;
else
values[i] = 1.0f / (d * d);
} else
values[i] = static_cast<float>(input[i]);
}
curr_image = image;
updateChart();
}
};
#endif //JFJOCH_JFJOCHCHARTVIEW_H