| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
| 3 | |
| 4 | #undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses |
| 5 | |
| 6 | #include <private/polarchartlayout_p.h> |
| 7 | #include <private/chartpresenter_p.h> |
| 8 | #include <private/polarchartaxis_p.h> |
| 9 | #include <QtCore/QDebug> |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | PolarChartLayout::PolarChartLayout(ChartPresenter *presenter) |
| 14 | : AbstractChartLayout(presenter) |
| 15 | { |
| 16 | } |
| 17 | |
| 18 | PolarChartLayout::~PolarChartLayout() |
| 19 | { |
| 20 | } |
| 21 | |
| 22 | QRectF PolarChartLayout::calculateAxisGeometry(const QRectF &geometry, |
| 23 | const QList<ChartAxisElement *> &axes, |
| 24 | bool update) const |
| 25 | { |
| 26 | // How to handle multiple angular/radial axes? |
| 27 | qreal axisRadius = geometry.height() / 2.0; |
| 28 | if (geometry.width() < geometry.height()) |
| 29 | axisRadius = geometry.width() / 2.0; |
| 30 | |
| 31 | int titleHeight = 0; |
| 32 | foreach (ChartAxisElement *chartAxis, axes) { |
| 33 | if (!chartAxis->isVisible()) |
| 34 | continue; |
| 35 | |
| 36 | PolarChartAxis *polarChartAxis = static_cast<PolarChartAxis *>(chartAxis); |
| 37 | qreal radius = polarChartAxis->preferredAxisRadius(maxSize: geometry.size()); |
| 38 | if (radius < axisRadius) |
| 39 | axisRadius = radius; |
| 40 | |
| 41 | if (chartAxis->axis()->orientation() == Qt::Horizontal |
| 42 | && chartAxis->axis()->isTitleVisible() |
| 43 | && !chartAxis->axis()->titleText().isEmpty()) { |
| 44 | // If axis has angular title, adjust geometry down by the space title takes |
| 45 | QRectF dummyRect = ChartPresenter::textBoundingRect(font: chartAxis->axis()->titleFont(), text: chartAxis->axis()->titleText()); |
| 46 | titleHeight = (dummyRect.height() / 2.0) + chartAxis->titlePadding(); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | QRectF axisRect; |
| 51 | axisRect.setSize(QSizeF(axisRadius * 2.0, axisRadius * 2.0)); |
| 52 | axisRect.moveCenter(p: geometry.center()); |
| 53 | axisRect.adjust(xp1: 0, yp1: titleHeight, xp2: 0, yp2: titleHeight); |
| 54 | |
| 55 | if (update) { |
| 56 | foreach (ChartAxisElement *chartAxis, axes) |
| 57 | chartAxis->setGeometry(axis: axisRect, grid: QRectF()); |
| 58 | } |
| 59 | |
| 60 | return axisRect; |
| 61 | } |
| 62 | |
| 63 | QRectF PolarChartLayout::calculateAxisMinimum(const QRectF &minimum, const QList<ChartAxisElement *> &axes) const |
| 64 | { |
| 65 | Q_UNUSED(axes); |
| 66 | return minimum; |
| 67 | } |
| 68 | |
| 69 | QT_END_NAMESPACE |
| 70 |