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/****************************************************************************
**
** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgeometry.h"
#include "qgeometryfactory.h"
#include "qgeometry_p.h"
#include <private/qnode_p.h>
#include <Qt3DRender/qattribute.h>
#include <Qt3DCore/qpropertyupdatedchange.h>
#include <Qt3DCore/qpropertynodeaddedchange.h>
#include <Qt3DCore/qpropertynoderemovedchange.h>
QT_BEGIN_NAMESPACE
using namespace Qt3DCore;
namespace Qt3DRender {
QGeometryFactory::~QGeometryFactory()
{
}
QGeometryPrivate::QGeometryPrivate()
: QNodePrivate(),
m_boundingVolumePositionAttribute(nullptr)
{
}
QGeometryPrivate::~QGeometryPrivate()
{
}
/*!
\qmltype Geometry
\instantiates Qt3DRender::QGeometry
\inqmlmodule Qt3D.Render
\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 Qt3DRender::QGeometry
\inmodule Qt3DRender
\since 5.7
\brief Encapsulates geometry
A Qt3DRender::QGeometry class is used to group a list of Qt3DRender::QAttribute
objects together to form a geometric shape Qt3D is able to render using
Qt3DRender::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.
*/
/*!
\qmlproperty list<Attribute> Geometry::attributes
Holds the list of attributes the geometry comprises of.
*/
/*!
\property QGeometry::boundingVolumePositionAttribute
Holds the attribute used to compute the bounding volume.
*/
/*!
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)
{
}
/*!
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);
if (d->m_changeArbiter != nullptr) {
const auto change = QPropertyNodeAddedChangePtr::create(id(), attribute);
change->setPropertyName("attribute");
d->notifyObservers(change);
}
}
}
/*!
Removes the given \a attribute from this geometry.
*/
void QGeometry::removeAttribute(QAttribute *attribute)
{
Q_ASSERT(attribute);
Q_D(QGeometry);
if (d->m_changeArbiter != nullptr) {
const auto change = QPropertyNodeRemovedChangePtr::create(id(), attribute);
change->setPropertyName("attribute");
d->notifyObservers(change);
}
d->m_attributes.removeOne(attribute);
// Remove bookkeeping connection
d->unregisterDestructionHelper(attribute);
}
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;
}
/*!
Returns the list of attributes in this geometry.
*/
QVector<QAttribute *> QGeometry::attributes() const
{
Q_D(const QGeometry);
return d->m_attributes;
}
Qt3DCore::QNodeCreatedChangeBasePtr QGeometry::createNodeCreationChange() const
{
auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QGeometryData>::create(this);
auto &data = creationChange->data;
Q_D(const QGeometry);
data.attributeIds = qIdsForNodes(d->m_attributes);
data.boundingVolumePositionAttributeId = qIdForNode(d->m_boundingVolumePositionAttribute);
return creationChange;
}
} // namespace Qt3DRender
QT_END_NAMESPACE
#include "moc_qgeometry.cpp"
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