75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
// SPDX-FileCopyrightText: 2025 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: GPL-3.0-only
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#include "JFJochChartView.h"
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JFJochChartView::JFJochChartView(QWidget *parent)
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: QChartView(new QChart(), parent) {
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chart()->legend()->hide();
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setRenderHint(QPainter::Antialiasing);
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setRubberBand(QChartView::RubberBand::RectangleRubberBand);
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}
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void JFJochChartView::setImage(int64_t val) {
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if (!currentSeries)
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return;
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curr_image = val;
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if (val < values.size() && val >= 0) {
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currentSeries->clear();
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currentSeries->append(curr_image, values[curr_image]);
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}
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}
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void JFJochChartView::mousePressEvent(QMouseEvent *event) {
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if (event->button() == Qt::LeftButton) {
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QPointF clickedPoint = event->pos();
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QPointF chartCoord = chart()->mapToValue(clickedPoint);
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int64_t val = std::lround(chartCoord.x());
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if (val >= 0 && val < values.size())
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emit imageSelected(val);
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}
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QChartView::mousePressEvent(event); // Call the base implementation
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}
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void JFJochChartView::resetZoom() {
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chart()->zoomReset();
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}
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void JFJochChartView::updateChart() {
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chart()->removeAllSeries();
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if (values.size() >= binning) {
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// At least one full point
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series = new QLineSeries(this);
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currentSeries = new QScatterSeries(this);
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if (binning == 1) {
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for (int i = 0; i < values.size(); i++)
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series->append(i, values[i]);
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} else {
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for (int i = 0; i < values.size() / binning; i++) {
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float tmp = 0;
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for (int b = 0; b < binning; b++)
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tmp += values[i * binning + b];
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series->append((i + 0.5) * binning, tmp / binning);
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}
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}
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if (curr_image < values.size() && curr_image >= 0)
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currentSeries->append(curr_image, values[curr_image]);
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chart()->addSeries(series);
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chart()->addSeries(currentSeries);
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chart()->createDefaultAxes();
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}
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}
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void JFJochChartView::setBinning(int64_t val) {
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if (val >= 1) {
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binning = val;
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updateChart();
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}
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} |