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++ // Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qgeometry.h"
++ #include "qgeometryfactory_p.h"
++ #include "qgeometry_p.h"
++ #include <private/qnode_p.h>
++ #include <Qt3DCore/qattribute.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DCore {
++
++ QGeometryFactory::~QGeometryFactory()
++ {
++ }
++
++ QGeometryPrivate::QGeometryPrivate()
++ : QNodePrivate(),
++ m_boundingVolumePositionAttribute(nullptr)
++ {
++ }
++
++ QGeometryPrivate::~QGeometryPrivate()
++ {
++ }
++
++ QGeometryPrivate *QGeometryPrivate::get(QGeometry *q)
++ {
++ return q->d_func();
++ }
++
++ void QGeometryPrivate::setScene(QScene *scene)
++ {
++ QNodePrivate::setScene(scene);
++ if (scene)
++ scene->markDirty(QScene::GeometryDirty);
++ }
++
++ void QGeometryPrivate::update()
++ {
++ if (!m_blockNotifications) {
++ m_dirty = true;
++ markDirty(QScene::GeometryDirty);
++ }
++ QNodePrivate::update();
++ }
++
++ void QGeometryPrivate::setExtent(const QVector3D &minExtent, const QVector3D &maxExtent)
++ {
++ Q_Q(QGeometry);
++ if (m_minExtent != minExtent) {
++ m_minExtent = minExtent;
++ const auto wasBlocked = q->blockNotifications(true);
++ emit q->minExtentChanged(minExtent);
++ q->blockNotifications(wasBlocked);
++ }
++
++ if (m_maxExtent != maxExtent) {
++ m_maxExtent = maxExtent;
++ const auto wasBlocked = q->blockNotifications(true);
++ emit q->maxExtentChanged(maxExtent);
++ q->blockNotifications(wasBlocked);
++ }
++ }
++
++ /*!
++ \qmltype Geometry
++ \nativetype Qt3DCore::QGeometry
++ \inqmlmodule Qt3D.Core
++ \inherits Node
++ \since 5.7
++ \brief Encapsulates geometry.
++
++ A Geometry type is used to group a list of Attribute objects together
++ to form a geometric shape Qt3D is able to render using GeometryRenderer.
++ Special attribute can be set in order to calculate bounding volume of the shape.
++ */
++
++ /*!
++ \class Qt3DCore::QGeometry
++ \inmodule Qt3DCore
++ \since 5.7
++ \brief Encapsulates geometry.
++
++ A Qt3DCore::QGeometry class is used to group a list of Qt3DCore::QAttribute
++ objects together to form a geometric shape Qt3D is able to render using
++ Qt3DCore::QGeometryRenderer. Special attribute can be set in order to calculate
++ bounding volume of the shape.
++ */
++
++ /*!
++ \qmlproperty Attribute Geometry::boundingVolumePositionAttribute
++
++ Holds the attribute used to compute the bounding volume. The bounding volume is used internally
++ for picking and view frustum culling.
++
++ If unspecified, the system will look for the attribute using the name returned by
++ QAttribute::defaultPositionAttributeName.
++
++ \sa Attribute
++ */
++ /*!
++ \qmlproperty list<Attribute> Geometry::attributes
++
++ Holds the list of attributes the geometry comprises of.
++ */
++
++ /*!
++ \property Qt3DCore::QGeometry::boundingVolumePositionAttribute
++
++ Holds the attribute used to compute the bounding volume. The bounding volume is used internally
++ for picking and view frustum culling.
++
++ If unspecified, the system will look for the attribute using the name returned by
++ QAttribute::defaultPositionAttributeName.
++
++ \sa Qt3DCore::QAttribute
++ */
++
++
++ /*!
++ Constructs a new QGeometry with \a parent.
++ */
++ QGeometry::QGeometry(QNode *parent)
++ : QGeometry(*new QGeometryPrivate(), parent) {}
++
++ /*!
++ \internal
++ */
++ QGeometry::~QGeometry()
++ {
++ }
++
++ /*!
++ \internal
++ */
++ QGeometry::QGeometry(QGeometryPrivate &dd, QNode *parent)
++ : QNode(dd, parent)
++ {
++ }
++
++ /*!
++ \fn void Qt3DCore::QGeometry::addAttribute(Qt3DCore::QAttribute *attribute)
++ Adds an \a attribute to this geometry.
++ */
++ void QGeometry::addAttribute(QAttribute *attribute)
++ {
++ Q_ASSERT(attribute);
++ Q_D(QGeometry);
++ if (!d->m_attributes.contains(attribute)) {
++ d->m_attributes.append(attribute);
++
++ // Ensures proper bookkeeping
++ d->registerDestructionHelper(attribute, &QGeometry::removeAttribute, d->m_attributes);
++
++ // We need to add it as a child of the current node if it has been declared inline
++ // Or not previously added as a child of the current node so that
++ // 1) The backend gets notified about it's creation
++ // 2) When the current node is destroyed, it gets destroyed as well
++ if (!attribute->parent())
++ attribute->setParent(this);
++
++ d->update();
++ }
++ }
++
++ /*!
++ \fn void Qt3DCore::QGeometry::removeAttribute(Qt3DCore::QAttribute *attribute)
++ Removes the given \a attribute from this geometry.
++ */
++ void QGeometry::removeAttribute(QAttribute *attribute)
++ {
++ Q_ASSERT(attribute);
++ Q_D(QGeometry);
++ if (!d->m_attributes.removeOne(attribute))
++ return;
++ // Remove bookkeeping connection
++ d->unregisterDestructionHelper(attribute);
++ d->update();
++ }
++
++ void QGeometry::setBoundingVolumePositionAttribute(QAttribute *boundingVolumePositionAttribute)
++ {
++ Q_D(QGeometry);
++ if (d->m_boundingVolumePositionAttribute != boundingVolumePositionAttribute) {
++ d->m_boundingVolumePositionAttribute = boundingVolumePositionAttribute;
++ emit boundingVolumePositionAttributeChanged(boundingVolumePositionAttribute);
++ }
++ }
++
++ QAttribute *QGeometry::boundingVolumePositionAttribute() const
++ {
++ Q_D(const QGeometry);
++ return d->m_boundingVolumePositionAttribute;
++ }
++
++ /*!
++ \qmlproperty vector3d Geometry::minExtent
++
++ Holds the vertex with the lowest x, y, z position values.
++ */
++
++ /*!
++ \property Qt3DCore::QGeometry::minExtent
++
++ Holds the vertex with the lowest x, y, z position values.
++ */
++ QVector3D QGeometry::minExtent() const
++ {
++ Q_D(const QGeometry);
++ return d->m_minExtent;
++ }
++
++ /*!
++ \qmlproperty vector3d Geometry::maxExtent
++
++ Holds the vertex with the highest x, y, z position values.
++ */
++
++ /*!
++ \property Qt3DCore::QGeometry::maxExtent
++
++ Holds the vertex with the highest x, y, z position values.
++ */
++ QVector3D QGeometry::maxExtent() const
++ {
++ Q_D(const QGeometry);
++ return d->m_maxExtent;
++ }
++
++ /*!
++ Returns the list of attributes in this geometry.
++ */
++ QList<QAttribute *> QGeometry::attributes() const
++ {
++ Q_D(const QGeometry);
++ return d->m_attributes;
++ }
++
++ } // namespace Qt3DCore
++
++ QT_END_NAMESPACE
++
++ #include "moc_qgeometry.cpp"