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Clarified QAreaSeries documentation...
Clarified QAreaSeries documentation Clarified the usage of x axis as lower boundary. Change-Id: Id73bad431fa0a3b484f86ca21b3c0186498aaba9 Task-number: QTRD-3422 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@theqtcompany.com>

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polarchartdatetimeaxisradial.cpp
77 lines | 2.4 KiB | text/x-c | CppLexer
/ src / charts / axis / datetimeaxis / polarchartdatetimeaxisradial.cpp
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, 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 Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include <private/polarchartdatetimeaxisradial_p.h>
#include <private/chartpresenter_p.h>
#include <private/abstractchartlayout_p.h>
#include <QtCharts/QDateTimeAxis>
QT_CHARTS_BEGIN_NAMESPACE
PolarChartDateTimeAxisRadial::PolarChartDateTimeAxisRadial(QDateTimeAxis *axis, QGraphicsItem *item)
: PolarChartAxisRadial(axis, item)
{
QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
QObject::connect(axis, SIGNAL(formatChanged(QString)), this, SLOT(handleFormatChanged(QString)));
}
PolarChartDateTimeAxisRadial::~PolarChartDateTimeAxisRadial()
{
}
QVector<qreal> PolarChartDateTimeAxisRadial::calculateLayout() const
{
int tickCount = static_cast<QDateTimeAxis *>(axis())->tickCount();
Q_ASSERT(tickCount >= 2);
QVector<qreal> points;
points.resize(tickCount);
const qreal d = (axisGeometry().width() / 2) / qreal(tickCount - 1);
for (int i = 0; i < tickCount; ++i) {
qreal radialCoordinate = qreal(i) * d;
points[i] = radialCoordinate;
}
return points;
}
void PolarChartDateTimeAxisRadial::createAxisLabels(const QVector<qreal> &layout)
{
setLabels(createDateTimeLabels(min(), max(), layout.size(), static_cast<QDateTimeAxis *>(axis())->format()));
}
void PolarChartDateTimeAxisRadial::handleTickCountChanged(int tick)
{
Q_UNUSED(tick);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
void PolarChartDateTimeAxisRadial::handleFormatChanged(const QString &format)
{
Q_UNUSED(format);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
#include "moc_polarchartdatetimeaxisradial_p.cpp"
QT_CHARTS_END_NAMESPACE