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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include <private/polarchartvalueaxisradial_p.h>
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#include <private/chartpresenter_p.h>
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#include <private/abstractchartlayout_p.h>
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QT_CHARTS_BEGIN_NAMESPACE
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PolarChartValueAxisRadial::PolarChartValueAxisRadial(QValueAxis *axis, QGraphicsItem *item)
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: PolarChartAxisRadial(axis, item)
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{
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QObject::connect(axis, SIGNAL(tickCountChanged(int)), this, SLOT(handleTickCountChanged(int)));
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QObject::connect(axis, SIGNAL(labelFormatChanged(QString)), this, SLOT(handleLabelFormatChanged(QString)));
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}
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PolarChartValueAxisRadial::~PolarChartValueAxisRadial()
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{
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}
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QVector<qreal> PolarChartValueAxisRadial::calculateLayout() const
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{
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int tickCount = static_cast<QValueAxis *>(axis())->tickCount();
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Q_ASSERT(tickCount >= 2);
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QVector<qreal> points;
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points.resize(tickCount);
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const qreal d = (axisGeometry().width() / 2) / qreal(tickCount - 1);
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for (int i = 0; i < tickCount; ++i) {
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qreal radialCoordinate = qreal(i) * d;
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points[i] = radialCoordinate;
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}
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return points;
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}
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void PolarChartValueAxisRadial::createAxisLabels(const QVector<qreal> &layout)
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{
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setLabels(createValueLabels(min(), max(), layout.size(), static_cast<QValueAxis *>(axis())->labelFormat()));
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}
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void PolarChartValueAxisRadial::handleTickCountChanged(int tick)
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{
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Q_UNUSED(tick);
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QGraphicsLayoutItem::updateGeometry();
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if (presenter())
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presenter()->layout()->invalidate();
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}
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void PolarChartValueAxisRadial::handleLabelFormatChanged(const QString &format)
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{
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Q_UNUSED(format);
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QGraphicsLayoutItem::updateGeometry();
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if (presenter())
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presenter()->layout()->invalidate();
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}
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#include "moc_polarchartvalueaxisradial_p.cpp"
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QT_CHARTS_END_NAMESPACE
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