/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd ** All rights reserved. ** For any questions to The Qt Company, please use contact form at http://qt.io ** ** This file is part of the Qt Charts module. ** ** Licensees holding valid commercial license for Qt may use this file in ** accordance with the Qt License Agreement provided with the Software ** or, alternatively, in accordance with the terms contained in a written ** agreement between you and The Qt Company. ** ** If you have questions regarding the use of this file, please use ** contact form at http://qt.io ** ****************************************************************************/ #include #include #include #include QT_CHARTS_BEGIN_NAMESPACE PolarChartDateTimeAxisAngular::PolarChartDateTimeAxisAngular(QDateTimeAxis *axis, QGraphicsItem *item) : PolarChartAxisAngular(axis, item) { QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int))); QObject::connect(axis, SIGNAL(formatChanged(QString)), this, SLOT(handleFormatChanged(QString))); } PolarChartDateTimeAxisAngular::~PolarChartDateTimeAxisAngular() { } QVector PolarChartDateTimeAxisAngular::calculateLayout() const { int tickCount = static_cast(axis())->tickCount(); Q_ASSERT(tickCount >= 2); QVector points; points.resize(tickCount); const qreal d = 360.0 / qreal(tickCount - 1); for (int i = 0; i < tickCount; ++i) { qreal angularCoordinate = qreal(i) * d; points[i] = angularCoordinate; } return points; } void PolarChartDateTimeAxisAngular::createAxisLabels(const QVector &layout) { QStringList labelList = createDateTimeLabels(min(), max(), layout.size(), static_cast(axis())->format()); setLabels(labelList); } void PolarChartDateTimeAxisAngular::handleTickCountChanged(int tick) { Q_UNUSED(tick); QGraphicsLayoutItem::updateGeometry(); if (presenter()) presenter()->layout()->invalidate(); } void PolarChartDateTimeAxisAngular::handleFormatChanged(const QString &format) { Q_UNUSED(format); QGraphicsLayoutItem::updateGeometry(); if (presenter()) presenter()->layout()->invalidate(); } #include "moc_polarchartdatetimeaxisangular_p.cpp" QT_CHARTS_END_NAMESPACE