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++ // Copyright (C) 2023 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++
++ #include "q3dscene_p.h"
++ #include "qgraphs3dlogging_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ /*!
++ * \class Q3DScene
++ * \inmodule QtGraphs
++ * \ingroup graphs_3D
++ * \brief Q3DScene class provides description of the 3D scene being visualized.
++ *
++ * The 3D scene contains a single active camera and a single active light
++ * source. Visualized data is assumed to be at a fixed location.
++ *
++ * The 3D scene also keeps track of the viewport in which graph rendering is
++ * done, the primary subviewport inside the viewport where the main 3D graphs
++ * view resides and the secondary subviewport where the 2D sliced view of the
++ * data resides. The subviewports are by default resized by the \a Q3DScene. To
++ * override the resize behavior you need to listen to both \l viewportChanged()
++ * and \l slicingActiveChanged() signals and recalculate the subviewports
++ * accordingly.
++ *
++ * Also the scene has flag for tracking if the secondary 2D slicing view is
++ * currently active or not. \note Not all graphs support the secondary 2D
++ * slicing view.
++ */
++
++ /*!
++ * \class Q3DSceneChangeBitField
++ * \internal
++ */
++
++ /*!
++ * \qmltype Scene3D
++ * \inqmlmodule QtGraphs
++ * \ingroup graphs_qml_3D
++ * \nativetype Q3DScene
++ * \brief Scene3D type provides description of the 3D scene being visualized.
++ *
++ * The 3D scene contains a single active camera and a single active light
++ * source. Visualized data is assumed to be at a fixed location.
++ *
++ * The 3D scene also keeps track of the viewport in which graph rendering is
++ * done, the primary subviewport inside the viewport where the main 3D graphs
++ * view resides and the secondary subviewport where the 2D sliced view of the
++ * data resides.
++ *
++ * Also the scene has flag for tracking if the secondary 2D slicing view is
++ * currently active or not. \note Not all graphs support the secondary 2D
++ * slicing view.
++ */
++
++ /*!
++ * \qmlproperty rect Scene3D::primarySubViewport
++ *
++ * The current subviewport rectangle inside the viewport where the
++ * primary view of the graphs is targeted.
++ *
++ * If the primary sub viewport has not
++ * been explicitly set, it will be one fifth of the viewport.
++ * \note Setting primarySubViewport larger than or outside of viewport resizes
++ * viewport accordingly.
++ */
++
++ /*!
++ * \qmlproperty rect Scene3D::secondarySubViewport
++ *
++ * The secondary viewport is used for drawing the 2D slice view in some
++ * graphs. If it has not been explicitly set, it will be equal to the size of the viewport.
++ * \note If the secondary sub viewport is larger than or outside of the
++ * viewport, the viewport is resized accordingly.
++ */
++
++ /*!
++ * \qmlproperty point Scene3D::selectionQueryPosition
++ *
++ * The coordinates for the user input that should be processed
++ * by the scene as a selection. If this property is set to a value other than
++ * invalidSelectionPoint, the
++ * graph tries to select a data item at the given point within the primary
++ * viewport. After the rendering pass, the property is returned to its default
++ * state of invalidSelectionPoint.
++ */
++
++ /*!
++ * \qmlproperty point Scene3D::graphPositionQuery
++ *
++ * The coordinates for the user input that should be processed by the scene as a
++ * graph position query. If this property is set to value other than
++ * invalidSelectionPoint, the graph tries to match a graph position to the given
++ * point within the primary viewport. After the rendering pass, this property is
++ * returned to its default state of invalidSelectionPoint. The queried graph
++ * position can be read from the GraphsItem3D::queriedGraphPosition property
++ * after the next render pass.
++ *
++ * There is no single correct 3D coordinate to match a particular screen
++ * position, so to be consistent, the queries are always done against the inner
++ * sides of an invisible box surrounding the graph.
++ *
++ * \note Bar graphs allow graph position queries only at the graph floor level.
++ *
++ * \sa GraphsItem3D::queriedGraphPosition
++ */
++
++ /*!
++ * \qmlproperty bool Scene3D::slicingActive
++ *
++ * Defines whether the 2D slicing view is currently active. If \c true,
++ * Graphs3D::selectionMode must have either the
++ * \l{QtGraphs3D::SelectionFlag}{Graphs3D.SelectionRow} or
++ * \l{QtGraphs3D::SelectionFlag}{Graphs3D.SelectionColumn}
++ * set to a valid selection.
++ * \note Not all graphs support the 2D slicing view.
++ */
++
++ /*!
++ * \qmlproperty bool Scene3D::secondarySubviewOnTop
++ *
++ * Defines whether the 2D slicing view or the 3D view is drawn on top.
++ */
++
++ /*!
++ * \qmlproperty real Scene3D::devicePixelRatio
++ *
++ * The current device pixel ratio that is used when mapping input
++ * coordinates to pixel coordinates.
++ */
++
++ /*!
++ * \qmlproperty point Scene3D::invalidSelectionPoint
++ * A constant property providing an invalid point for selection.
++ */
++
++ /*!
++ \qmlsignal Scene3D::viewportChanged(rect viewport)
++
++ This signal is emitted when viewport changes to \a viewport.
++ */
++
++ /*!
++ \qmlsignal Scene3D::primarySubViewportChanged(rect subViewport)
++
++ This signal is emitted when primarySubViewport changes to \a subViewport.
++ */
++
++ /*!
++ \qmlsignal Scene3D::secondarySubViewportChanged(rect subViewport)
++
++ This signal is emitted when secondarySubViewport changes to \a subViewport.
++ */
++
++ /*!
++ \qmlsignal Scene3D::secondarySubviewOnTopChanged(bool isSecondaryOnTop)
++
++ This signal is emitted when secondarySubviewOnTop changes to \a isSecondaryOnTop.
++ */
++
++ /*!
++ \qmlsignal Scene3D::slicingActiveChanged(bool isSlicingActive)
++
++ This signal is emitted when slicingActive changes to \a isSlicingActive.
++ */
++
++ /*!
++ \qmlsignal Scene3D::devicePixelRatioChanged(qreal pixelRatio)
++
++ This signal is emitted when devicePixelRatio changes to \a pixelRatio.
++ */
++
++ /*!
++ \qmlsignal Scene3D::selectionQueryPositionChanged(point position)
++
++ This signal is emitted when selectionQueryPosition changes to \a position.
++ */
++
++ /*!
++ \qmlsignal Scene3D::graphPositionQueryChanged(point position)
++
++ This signal is emitted when graphPositionQuery changes to \a position.
++ */
++
++ /*!
++ * Constructs a basic scene with one light and one camera in it. An
++ * optional \a parent parameter can be given and is then passed to QObject
++ * constructor.
++ */
++ Q3DScene::Q3DScene(QObject *parent)
++ : QObject(*(new Q3DScenePrivate()), parent)
++ {}
++
++ /*!
++ * Destroys the 3D scene and all the objects contained within it.
++ */
++ Q3DScene::~Q3DScene() {}
++
++ /*!
++ * \property Q3DScene::viewport
++ *
++ * \brief A read only property that contains the current viewport rectangle
++ * where all the 3D rendering is targeted.
++ */
++ QRect Q3DScene::viewport() const
++ {
++ Q_D(const Q3DScene);
++ return d->m_viewport;
++ }
++
++ /*!
++ * \property Q3DScene::primarySubViewport
++ *
++ * \brief The current subviewport rectangle inside the viewport where the
++ * primary view of the graphs is targeted.
++ *
++ * If the primary sub viewport has not been explicitly set,
++ * it will be one fifth of viewport().
++ *
++ * \note Setting primarySubViewport larger than or outside of the viewport
++ * resizes the viewport accordingly.
++ */
++ QRect Q3DScene::primarySubViewport() const
++ {
++ Q_D(const Q3DScene);
++ QRect primary = d->m_primarySubViewport;
++ if (primary.isNull()) {
++ primary = d->m_defaultSmallViewport;
++ }
++ return primary;
++ }
++
++ void Q3DScene::setPrimarySubViewport(QRect primarySubViewport)
++ {
++ Q_D(Q3DScene);
++ if (d->m_primarySubViewport != primarySubViewport) {
++ if (!primarySubViewport.isValid() && !primarySubViewport.isNull()) {
++ qCWarning(lcGraphsScene3D, "Viewport is invalid.");
++ return;
++ }
++
++ // If viewport is smaller than primarySubViewport, enlarge it
++ if ((d->m_viewport.width() < (primarySubViewport.width() + primarySubViewport.x()))
++ || (d->m_viewport.height() < (primarySubViewport.height() + primarySubViewport.y()))) {
++ d->m_viewport.setWidth(
++ qMax(d->m_viewport.width(), primarySubViewport.width() + primarySubViewport.x()));
++ d->m_viewport.setHeight(
++ qMax(d->m_viewport.height(), primarySubViewport.height() + primarySubViewport.y()));
++ d->updateDefaultViewports();
++ }
++
++ d->m_primarySubViewport = primarySubViewport;
++ d->m_changeTracker.primarySubViewportChanged = true;
++ d->m_sceneDirty = true;
++
++ emit primarySubViewportChanged(primarySubViewport);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setPrimarySubViewport. value is already set to:"
++ << primarySubViewport;
++ }
++ }
++
++ /*!
++ * Returns whether the given \a point resides inside the primary subview or not.
++ * \return \c true if the point is inside the primary subview.
++ * \note If subviews are superimposed, and the given \a point resides inside
++ * both, result is \c true only when the primary subview is on top.
++ */
++ bool Q3DScene::isPointInPrimarySubView(QPoint point)
++ {
++ Q_D(Q3DScene);
++ int x = point.x();
++ int y = point.y();
++ bool isInSecondary = d->isInArea(secondarySubViewport(), x, y);
++ if (!isInSecondary || (isInSecondary && !d->m_isSecondarySubviewOnTop))
++ return d->isInArea(primarySubViewport(), x, y);
++ else
++ return false;
++ }
++
++ /*!
++ * Returns whether the given \a point resides inside the secondary subview or
++ * not. \return \c true if the point is inside the secondary subview. \note If
++ * subviews are superimposed, and the given \a point resides inside both, result
++ * is \c true only when the secondary subview is on top.
++ */
++ bool Q3DScene::isPointInSecondarySubView(QPoint point)
++ {
++ Q_D(Q3DScene);
++ int x = point.x();
++ int y = point.y();
++ bool isInPrimary = d->isInArea(primarySubViewport(), x, y);
++ if (!isInPrimary || (isInPrimary && d->m_isSecondarySubviewOnTop))
++ return d->isInArea(secondarySubViewport(), x, y);
++ else
++ return false;
++ }
++
++ /*!
++ * \property Q3DScene::secondarySubViewport
++ *
++ * \brief The secondary viewport rectangle inside the viewport.
++ *
++ * The secondary viewport is used for drawing the 2D slice view in some
++ * graphs. If it has not been explicitly set, it will be equal to the size of the viewport.
++ * \note If the secondary sub viewport is larger than or outside of the
++ * viewport, the viewport is resized accordingly.
++ */
++ QRect Q3DScene::secondarySubViewport() const
++ {
++ Q_D(const Q3DScene);
++ QRect secondary = d->m_secondarySubViewport;
++ if (secondary.isNull() && d->m_isSlicingActive)
++ secondary = d->m_defaultLargeViewport;
++ return secondary;
++ }
++
++ void Q3DScene::setSecondarySubViewport(QRect secondarySubViewport)
++ {
++ Q_D(Q3DScene);
++ if (d->m_secondarySubViewport != secondarySubViewport) {
++ if (!secondarySubViewport.isValid() && !secondarySubViewport.isNull()) {
++ qCWarning(lcGraphsScene3D, "Viewport is invalid.");
++ return;
++ }
++
++ // If viewport is smaller than secondarySubViewport, enlarge it
++ if ((d->m_viewport.width() < (secondarySubViewport.width() + secondarySubViewport.x()))
++ || (d->m_viewport.height()
++ < (secondarySubViewport.height() + secondarySubViewport.y()))) {
++ d->m_viewport.setWidth(qMax(d->m_viewport.width(),
++ secondarySubViewport.width() + secondarySubViewport.x()));
++ d->m_viewport.setHeight(qMax(d->m_viewport.height(),
++ secondarySubViewport.height() + secondarySubViewport.y()));
++ d->updateDefaultViewports();
++ }
++
++ d->m_secondarySubViewport = secondarySubViewport;
++ d->m_changeTracker.secondarySubViewportChanged = true;
++ d->m_sceneDirty = true;
++
++ emit secondarySubViewportChanged(secondarySubViewport);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setSecondarySubViewport. value is already set to:"
++ << secondarySubViewport;
++ }
++ }
++
++ /*!
++ * \property Q3DScene::selectionQueryPosition
++ *
++ * \brief The coordinates for the user input that should be processed
++ * by the scene as a selection.
++ *
++ * If this property is set to a value other than invalidSelectionPoint(), the
++ * graph tries to select a data item, axis label, or a custom item at the
++ * specified coordinates within the primary viewport.
++ * After the rendering pass, the property is returned to its default state of
++ * invalidSelectionPoint().
++ *
++ * \sa Q3DGraphsWidgetItem::selectedElement
++ */
++ void Q3DScene::setSelectionQueryPosition(QPoint point)
++ {
++ Q_D(Q3DScene);
++ if (point != d->m_selectionQueryPosition) {
++ d->m_selectionQueryPosition = point;
++ d->m_changeTracker.selectionQueryPositionChanged = true;
++ d->m_sceneDirty = true;
++
++ emit selectionQueryPositionChanged(point);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setSelectionQueryPosition. value is already set to:"
++ << point;
++ }
++ }
++
++ QPoint Q3DScene::selectionQueryPosition() const
++ {
++ Q_D(const Q3DScene);
++ return d->m_selectionQueryPosition;
++ }
++
++ /*!
++ * \property Q3DScene::invalidSelectionPoint
++ * \brief a point that represents an invalid selection position.
++ */
++
++ /*!
++ * \return a QPoint signifying an invalid selection position.
++ */
++ QPoint Q3DScene::invalidSelectionPoint() const
++ {
++ static const QPoint invalidSelectionPos(-1, -1);
++ return invalidSelectionPos;
++ }
++
++ /*!
++ * \property Q3DScene::graphPositionQuery
++ *
++ * \brief The coordinates for the user input that should be processed
++ * by the scene as a graph position query.
++ *
++ * If this property is set to a value other than invalidSelectionPoint(), the
++ * graph tries to match a graph position to the specified coordinates
++ * within the primary viewport.
++ * After the rendering pass, this property is returned to its default state of
++ * invalidSelectionPoint(). The queried graph position can be read from the
++ * Q3DGraphsWidgetItem::queriedGraphPosition property after the next render pass.
++ *
++ * There is no single correct 3D coordinate to match a particular screen
++ * position, so to be consistent, the queries are always done against the inner
++ * sides of an invisible box surrounding the graph.
++ *
++ * \note Bar graphs allow graph position queries only at the graph floor level.
++ *
++ * \sa Q3DGraphsWidgetItem::queriedGraphPosition
++ */
++ void Q3DScene::setGraphPositionQuery(QPoint point)
++ {
++ Q_D(Q3DScene);
++ if (point != d->m_graphPositionQueryPosition) {
++ d->m_graphPositionQueryPosition = point;
++ d->m_changeTracker.graphPositionQueryPositionChanged = true;
++ d->m_sceneDirty = true;
++
++ emit graphPositionQueryChanged(point);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setGraphPositionQuery. value is already set to:"
++ << point;
++ }
++ }
++
++ QPoint Q3DScene::graphPositionQuery() const
++ {
++ Q_D(const Q3DScene);
++ return d->m_graphPositionQueryPosition;
++ }
++
++ /*!
++ * \property Q3DScene::slicingActive
++ *
++ * \brief Whether the 2D slicing view is currently active.
++ *
++ * If \c true, Q3DGraphsWidgetItem::selectionMode must have either
++ * QtGraphs3D::SelectionFlag::Row or QtGraphs3D::SelectionFlag::Column set
++ * to a valid selection.
++ * \note Not all graphs support the 2D slicing view.
++ */
++ bool Q3DScene::isSlicingActive() const
++ {
++ Q_D(const Q3DScene);
++ return d->m_isSlicingActive;
++ }
++
++ void Q3DScene::setSlicingActive(bool isSlicing)
++ {
++ Q_D(Q3DScene);
++ if (d->m_isSlicingActive != isSlicing) {
++ d->m_isSlicingActive = isSlicing;
++ d->m_changeTracker.slicingActivatedChanged = true;
++ d->m_sceneDirty = true;
++
++ emit slicingActiveChanged(isSlicing);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setSlicingActive. value is already set to:"
++ << isSlicing;
++ }
++ }
++
++ /*!
++ * \property Q3DScene::secondarySubviewOnTop
++ *
++ * \brief Whether the 2D slicing view or the 3D view is drawn on top.
++ */
++ bool Q3DScene::isSecondarySubviewOnTop() const
++ {
++ Q_D(const Q3DScene);
++ return d->m_isSecondarySubviewOnTop;
++ }
++
++ void Q3DScene::setSecondarySubviewOnTop(bool isSecondaryOnTop)
++ {
++ Q_D(Q3DScene);
++ if (d->m_isSecondarySubviewOnTop != isSecondaryOnTop) {
++ d->m_isSecondarySubviewOnTop = isSecondaryOnTop;
++ d->m_changeTracker.subViewportOrderChanged = true;
++ d->m_sceneDirty = true;
++
++ emit secondarySubviewOnTopChanged(isSecondaryOnTop);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setSecondarySubviewOnTop. value is already set to:"
++ << isSecondaryOnTop;
++ }
++ }
++
++ /*!
++ * \property Q3DScene::devicePixelRatio
++ *
++ * \brief The device pixel ratio that is used when mapping input
++ * coordinates to pixel coordinates.
++ */
++ qreal Q3DScene::devicePixelRatio() const
++ {
++ Q_D(const Q3DScene);
++ return d->m_devicePixelRatio;
++ }
++
++ void Q3DScene::setDevicePixelRatio(qreal pixelRatio)
++ {
++ Q_D(Q3DScene);
++ if (d->m_devicePixelRatio != pixelRatio) {
++ d->m_devicePixelRatio = pixelRatio;
++ d->m_changeTracker.devicePixelRatioChanged = true;
++ d->m_sceneDirty = true;
++
++ emit devicePixelRatioChanged(pixelRatio);
++ emit needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScene::setDevicePixelRatio. value is already set to:"
++ << pixelRatio;
++ }
++ }
++
++ Q3DScenePrivate::Q3DScenePrivate()
++ : m_isSecondarySubviewOnTop(true)
++ , m_devicePixelRatio(1.0)
++ , m_isUnderSideCameraEnabled(false)
++ , m_isSlicingActive(false)
++ , m_windowSize(QSize(0, 0))
++ , m_sceneDirty(true)
++ {
++ Q_Q(Q3DScene);
++ m_selectionQueryPosition = q->invalidSelectionPoint();
++ m_graphPositionQueryPosition = q->invalidSelectionPoint();
++ }
++
++ Q3DScenePrivate::~Q3DScenePrivate() {}
++
++ // Copies changed values from this scene to the other scene. If the other scene
++ // had same changes, those changes are discarded.
++ void Q3DScenePrivate::sync(Q3DScenePrivate &other)
++ {
++ Q_Q(Q3DScene);
++ if (m_changeTracker.windowSizeChanged) {
++ other.setWindowSize(windowSize());
++ m_changeTracker.windowSizeChanged = false;
++ other.m_changeTracker.windowSizeChanged = false;
++ }
++ if (m_changeTracker.viewportChanged) {
++ other.setViewport(m_viewport);
++ m_changeTracker.viewportChanged = false;
++ other.m_changeTracker.viewportChanged = false;
++ }
++ if (m_changeTracker.subViewportOrderChanged) {
++ other.q_func()->setSecondarySubviewOnTop(q->isSecondarySubviewOnTop());
++ m_changeTracker.subViewportOrderChanged = false;
++ other.m_changeTracker.subViewportOrderChanged = false;
++ }
++ if (m_changeTracker.primarySubViewportChanged) {
++ other.q_func()->setPrimarySubViewport(q->primarySubViewport());
++ m_changeTracker.primarySubViewportChanged = false;
++ other.m_changeTracker.primarySubViewportChanged = false;
++ }
++ if (m_changeTracker.secondarySubViewportChanged) {
++ other.q_func()->setSecondarySubViewport(q->secondarySubViewport());
++ m_changeTracker.secondarySubViewportChanged = false;
++ other.m_changeTracker.secondarySubViewportChanged = false;
++ }
++ if (m_changeTracker.selectionQueryPositionChanged) {
++ other.q_func()->setSelectionQueryPosition(q->selectionQueryPosition());
++ m_changeTracker.selectionQueryPositionChanged = false;
++ other.m_changeTracker.selectionQueryPositionChanged = false;
++ }
++ if (m_changeTracker.graphPositionQueryPositionChanged) {
++ other.q_func()->setGraphPositionQuery(q->graphPositionQuery());
++ m_changeTracker.graphPositionQueryPositionChanged = false;
++ other.m_changeTracker.graphPositionQueryPositionChanged = false;
++ }
++
++ if (m_changeTracker.slicingActivatedChanged) {
++ other.q_func()->setSlicingActive(q->isSlicingActive());
++ m_changeTracker.slicingActivatedChanged = false;
++ other.m_changeTracker.slicingActivatedChanged = false;
++ }
++
++ if (m_changeTracker.devicePixelRatioChanged) {
++ other.q_func()->setDevicePixelRatio(q->devicePixelRatio());
++ m_changeTracker.devicePixelRatioChanged = false;
++ other.m_changeTracker.devicePixelRatioChanged = false;
++ }
++
++ m_sceneDirty = false;
++ other.m_sceneDirty = false;
++ }
++
++ void Q3DScenePrivate::setViewport(const QRect viewport)
++ {
++ Q_Q(Q3DScene);
++ if (m_viewport != viewport && viewport.isValid()) {
++ m_viewport = viewport;
++ updateDefaultViewports();
++ emit q->needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScenePrivate::setViewport. value is already set to:"
++ << viewport;
++ }
++ }
++
++ void Q3DScenePrivate::setViewportSize(int width, int height)
++ {
++ Q_Q(Q3DScene);
++ if (m_viewport.width() != width || m_viewport.height() != height) {
++ m_viewport.setWidth(width);
++ m_viewport.setHeight(height);
++ updateDefaultViewports();
++ emit q->needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScenePrivate::setViewportSize. value is already set to:"
++ << width << height;
++ }
++ }
++
++ /*!
++ * \internal
++ * Sets the size of the window being rendered to. With widget based graphs, this
++ * is equal to the size of the QWindow and is same as the bounding rectangle.
++ * With declarative graphs this is equal to the size of the QQuickWindow and
++ * can be different from the bounding rectangle.
++ */
++ void Q3DScenePrivate::setWindowSize(QSize size)
++ {
++ Q_Q(Q3DScene);
++ if (m_windowSize != size) {
++ m_windowSize = size;
++ m_changeTracker.windowSizeChanged = true;
++ emit q->needRender();
++ } else {
++ qCDebug(lcGraphsScene3D) << "Q3DScenePrivate::setWindowSize. value is already set to:"
++ << size;
++ }
++ }
++
++ QSize Q3DScenePrivate::windowSize() const
++ {
++ return m_windowSize;
++ }
++
++ void Q3DScenePrivate::updateDefaultViewports()
++ {
++ m_defaultLargeViewport = m_viewport;
++ m_defaultSmallViewport = QRect(0, 0, m_viewport.width() * 0.2, m_viewport.height() * 0.2);
++ }
++
++ void Q3DScenePrivate::markDirty()
++ {
++ Q_Q(Q3DScene);
++ m_sceneDirty = true;
++ emit q->needRender();
++ }
++
++ bool Q3DScenePrivate::isInArea(const QRect area, int x, int y) const
++ {
++ int areaMinX = area.x();
++ int areaMaxX = area.x() + area.width();
++ int areaMinY = area.y();
++ int areaMaxY = area.y() + area.height();
++ return (x >= areaMinX && x <= areaMaxX && y >= areaMinY && y <= areaMaxY);
++ }
++
++ QT_END_NAMESPACE
++
++ #include "moc_q3dscene.cpp"