|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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/polarchartcategoryaxisradial_p.h>
|
|
|
#include <private/chartpresenter_p.h>
|
|
|
#include <private/abstractchartlayout_p.h>
|
|
|
#include <QtCharts/QCategoryAxis>
|
|
|
#include <QtCore/QDebug>
|
|
|
|
|
|
QT_CHARTS_BEGIN_NAMESPACE
|
|
|
|
|
|
PolarChartCategoryAxisRadial::PolarChartCategoryAxisRadial(QCategoryAxis *axis, QGraphicsItem *item)
|
|
|
: PolarChartAxisRadial(axis, item, true)
|
|
|
{
|
|
|
QObject::connect(axis, SIGNAL(categoriesChanged()), this, SLOT(handleCategoriesChanged()));
|
|
|
}
|
|
|
|
|
|
PolarChartCategoryAxisRadial::~PolarChartCategoryAxisRadial()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QVector<qreal> PolarChartCategoryAxisRadial::calculateLayout() const
|
|
|
{
|
|
|
QCategoryAxis *catAxis = static_cast<QCategoryAxis *>(axis());
|
|
|
int tickCount = catAxis->categoriesLabels().count() + 1;
|
|
|
QVector<qreal> points;
|
|
|
|
|
|
if (tickCount < 2)
|
|
|
return points;
|
|
|
|
|
|
qreal range = max() - min();
|
|
|
if (range > 0) {
|
|
|
points.resize(tickCount);
|
|
|
qreal scale = (axisGeometry().width() / 2) / range;
|
|
|
qreal angle;
|
|
|
for (int i = 0; i < tickCount; ++i) {
|
|
|
if (i < tickCount - 1)
|
|
|
angle = (catAxis->startValue(catAxis->categoriesLabels().at(i)) - min()) * scale;
|
|
|
else
|
|
|
angle = (catAxis->endValue(catAxis->categoriesLabels().at(i - 1)) - min()) * scale;
|
|
|
points[i] = angle;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return points;
|
|
|
}
|
|
|
|
|
|
void PolarChartCategoryAxisRadial::createAxisLabels(const QVector<qreal> &layout)
|
|
|
{
|
|
|
Q_UNUSED(layout);
|
|
|
setLabels(static_cast<QCategoryAxis *>(axis())->categoriesLabels() << QString());
|
|
|
}
|
|
|
|
|
|
void PolarChartCategoryAxisRadial::handleCategoriesChanged()
|
|
|
{
|
|
|
QGraphicsLayoutItem::updateGeometry();
|
|
|
presenter()->layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
#include "moc_polarchartcategoryaxisradial_p.cpp"
|
|
|
|
|
|
QT_CHARTS_END_NAMESPACE
|
|
|
|
