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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import QtCharts
//![1]
ChartView {
id: root
title: "Accurate Historical Data"
anchors.fill: parent
legend.visible: false
antialiasing: true
LineSeries {
axisX: DateTimeAxis {
format: "yyyy MMM"
tickCount: 5
}
axisY: ValueAxis {
min: 0
max: 150
}
// Please note that month in JavaScript months are zero based, so 2 means March
XYPoint { x: root.toMsecsSinceEpoch(new Date(1950, 2, 15)); y: 5 }
XYPoint { x: root.toMsecsSinceEpoch(new Date(1970, 0, 1)); y: 50 }
XYPoint { x: root.toMsecsSinceEpoch(new Date(1987, 12, 31)); y: 102 }
XYPoint { x: root.toMsecsSinceEpoch(new Date(1998, 7, 1)); y: 100 }
XYPoint { x: root.toMsecsSinceEpoch(new Date(2012, 8, 2)); y: 110 }
}
// DateTimeAxis is based on QDateTimes so we must convert our JavaScript dates to
// milliseconds since epoch to make them match the DateTimeAxis values
function toMsecsSinceEpoch(date) {
var msecs = date.getTime();
return msecs;
}
}
//![1]