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