| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <private/polarchartlayout_p.h> |
| #include <private/chartpresenter_p.h> |
| #include <private/polarchartaxis_p.h> |
| #include <QtCore/QDebug> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| PolarChartLayout::PolarChartLayout(ChartPresenter *presenter) |
| : AbstractChartLayout(presenter) |
| { |
| } |
| |
| PolarChartLayout::~PolarChartLayout() |
| { |
| } |
| |
| QRectF PolarChartLayout::calculateAxisGeometry(const QRectF &geometry, |
| const QList<ChartAxisElement *> &axes, |
| bool update) 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); |
| |
| if (update) { |
| 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; |
| } |
| |
| QT_CHARTS_END_NAMESPACE |