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# Copyright (C) 2024 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import sys
import math
from PySide6.QtWidgets import QApplication, QMainWindow
from PySide6.QtCore import Qt, QPointF, QRandomGenerator
from PySide6.QtCharts import QChart, QLineSeries
from PySide6.QtGui import QPainter
import chartview
import chart
if __name__ == "__main__":
app = QApplication(sys.argv)
series = QLineSeries()
points = [
QPointF(float(i), math.sin(math.pi / 50 * i) * 100 + QRandomGenerator.global_().bounded(20))
for i in range(500)]
series.append(points)
line_chart = chart.Chart()
line_chart.addSeries(series)
line_chart.setTitle("Zoom in/out example")
line_chart.setAnimationOptions(QChart.SeriesAnimations)
line_chart.legend().hide()
line_chart.createDefaultAxes()
chart_view = chartview.ChartView(line_chart)
chart_view.setRenderHint(QPainter.Antialiasing, True)
window = QMainWindow()
window.setCentralWidget(chart_view)
window.resize(400, 300)
window.grabGesture(Qt.PanGesture)
window.grabGesture(Qt.PinchGesture)
window.show()
sys.exit(app.exec())
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