|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2013 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Enterprise Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Enterprise licenses may use this file in
|
|
|
** accordance with the Qt Enterprise 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.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include "polarchartlayout_p.h"
|
|
|
#include "chartpresenter_p.h"
|
|
|
#include "polarchartaxis_p.h"
|
|
|
#include <QDebug>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
static const qreal golden_ratio = 0.4;
|
|
|
|
|
|
PolarChartLayout::PolarChartLayout(ChartPresenter *presenter)
|
|
|
: AbstractChartLayout(presenter)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
PolarChartLayout::~PolarChartLayout()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QRectF PolarChartLayout::calculateAxisGeometry(const QRectF &geometry, const QList<ChartAxisElement *> &axes) const
|
|
|
{
|
|
|
// How to handle multiple angular/radial axes?
|
|
|
qreal axisRadius = geometry.height() / 2.0;
|
|
|
if (geometry.width() < geometry.height())
|
|
|
axisRadius = geometry.width() / 2.0;
|
|
|
|
|
|
int titleHeight = 0;
|
|
|
foreach (ChartAxisElement *chartAxis, axes) {
|
|
|
if (!chartAxis->isVisible())
|
|
|
continue;
|
|
|
|
|
|
PolarChartAxis *polarChartAxis = static_cast<PolarChartAxis *>(chartAxis);
|
|
|
qreal radius = polarChartAxis->preferredAxisRadius(geometry.size());
|
|
|
if (radius < axisRadius)
|
|
|
axisRadius = radius;
|
|
|
|
|
|
if (chartAxis->axis()->orientation() == Qt::Horizontal
|
|
|
&& chartAxis->axis()->isTitleVisible()
|
|
|
&& !chartAxis->axis()->titleText().isEmpty()) {
|
|
|
// If axis has angular title, adjust geometry down by the space title takes
|
|
|
QRectF dummyRect = ChartPresenter::textBoundingRect(chartAxis->axis()->titleFont(), chartAxis->axis()->titleText());
|
|
|
titleHeight = (dummyRect.height() / 2.0) + chartAxis->titlePadding();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QRectF axisRect;
|
|
|
axisRect.setSize(QSizeF(axisRadius * 2.0, axisRadius * 2.0));
|
|
|
axisRect.moveCenter(geometry.center());
|
|
|
axisRect.adjust(0, titleHeight, 0, titleHeight);
|
|
|
|
|
|
foreach (ChartAxisElement *chartAxis, axes)
|
|
|
chartAxis->setGeometry(axisRect, QRectF());
|
|
|
|
|
|
return axisRect;
|
|
|
}
|
|
|
|
|
|
QRectF PolarChartLayout::calculateAxisMinimum(const QRectF &minimum, const QList<ChartAxisElement *> &axes) const
|
|
|
{
|
|
|
Q_UNUSED(axes);
|
|
|
return minimum;
|
|
|
}
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
