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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include <private/polarchartaxis_p.h>
++ #include <private/qabstractaxis_p.h>
++ #include <private/chartpresenter_p.h>
++ #include <QtCharts/QValueAxis>
++
++ QT_BEGIN_NAMESPACE
++
++ PolarChartAxis::PolarChartAxis(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis)
++ : ChartAxisElement(axis, item, intervalAxis)
++ {
++ }
++
++ PolarChartAxis::~PolarChartAxis()
++ {
++
++ }
++
++ void PolarChartAxis::setGeometry(const QRectF &axis, const QRectF &grid)
++ {
++ Q_UNUSED(grid);
++ setAxisGeometry(axis);
++
++ if (emptyAxis()) {
++ prepareGeometryChange();
++ return;
++ }
++
++ const QList<qreal> layout = calculateLayout();
++ updateLayout(layout);
++ }
++
++ QRectF PolarChartAxis::gridGeometry() const
++ {
++ return QRectF();
++ }
++
++ void PolarChartAxis::updateLayout(const QList<qreal> &layout)
++ {
++ int diff = ChartAxisElement::layout().size() - layout.size();
++
++ if (animation()) {
++ switch (presenter()->state()) {
++ case ChartPresenter::ZoomInState:
++ case ChartPresenter::ZoomOutState:
++ case ChartPresenter::ScrollUpState:
++ case ChartPresenter::ScrollLeftState:
++ case ChartPresenter::ScrollDownState:
++ case ChartPresenter::ScrollRightState:
++ case ChartPresenter::ShowState:
++ animation()->setAnimationType(AxisAnimation::DefaultAnimation);
++ break;
++ }
++ // Update to "old" geometry before starting animation to avoid incorrectly sized
++ // axes lingering in wrong position compared to series plot before animation can kick in.
++ // Note that the position mismatch still exists even with this update, but it will be
++ // far less ugly.
++ if (ChartAxisElement::layout().size() != 0)
++ updateGeometry();
++ }
++
++ if (diff > 0)
++ deleteItems(diff);
++ else if (diff <= 0)
++ createItems(-diff);
++
++ updateMinorTickItems();
++
++ if (animation()) {
++ animation()->setValues(ChartAxisElement::layout(), layout);
++ presenter()->startAnimation(animation());
++ } else {
++ setLayout(layout);
++ updateGeometry();
++ }
++ }
++
++ bool PolarChartAxis::emptyAxis() const
++ {
++ return !axisGeometry().isValid() || qFuzzyIsNull(min() - max());
++ }
++
++ void PolarChartAxis::deleteItems(int count)
++ {
++ QList<QGraphicsItem *> gridLines = gridItems();
++ QList<QGraphicsItem *> labels = labelItems();
++ QList<QGraphicsItem *> shades = shadeItems();
++ QList<QGraphicsItem *> axis = arrowItems();
++
++ for (int i = 0; i < count; ++i) {
++ if (gridItems().size() == 1 || (((gridLines.size() + 1) % 2) && gridLines.size() > 0))
++ delete(shades.takeLast());
++ delete(gridLines.takeLast());
++ delete(labels.takeLast());
++ delete(axis.takeLast());
++ }
++ }
++
++ void PolarChartAxis::handleShadesBrushChanged(const QBrush &brush)
++ {
++ const auto items = shadeItems();
++ for (QGraphicsItem *item : items)
++ static_cast<QGraphicsPathItem *>(item)->setBrush(brush);
++ }
++
++ void PolarChartAxis::handleShadesPenChanged(const QPen &pen)
++ {
++ const auto items = shadeItems();
++ for (QGraphicsItem *item : items)
++ static_cast<QGraphicsPathItem *>(item)->setPen(pen);
++ }
++
++ QT_END_NAMESPACE
++
++ #include "moc_polarchartaxis_p.cpp"