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/****************************************************************************
**
** 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 <private/polarchartvalueaxisangular_p.h>
#include <private/chartpresenter_p.h>
#include <private/abstractchartlayout_p.h>
QT_CHARTS_BEGIN_NAMESPACE
PolarChartValueAxisAngular::PolarChartValueAxisAngular(QValueAxis *axis, QGraphicsItem *item)
: PolarChartAxisAngular(axis, item)
{
QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
}
PolarChartValueAxisAngular::~PolarChartValueAxisAngular()
{
}
QVector<qreal> PolarChartValueAxisAngular::calculateLayout() const
{
int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
Q_ASSERT(tickCount >= 2);
QVector<qreal> 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 PolarChartValueAxisAngular::createAxisLabels(const QVector<qreal> &layout)
{
QStringList labelList = createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat());
setLabels(labelList);
}
void PolarChartValueAxisAngular::handleTickCountChanged(int tick)
{
Q_UNUSED(tick);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
void PolarChartValueAxisAngular::handleLabelFormatChanged(const QString &format)
{
Q_UNUSED(format);
QGraphicsLayoutItem::updateGeometry();
if (presenter())
presenter()->layout()->invalidate();
}
#include "moc_polarchartvalueaxisangular_p.cpp"
QT_CHARTS_END_NAMESPACE
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