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/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qtechniquefilter.h"
#include "qtechniquefilter_p.h"
#include <Qt3DRenderer/qannotation.h>
#include <Qt3DCore/qscenepropertychange.h>
QT_BEGIN_NAMESPACE
namespace Qt3D {
QTechniqueFilterPrivate::QTechniqueFilterPrivate(QTechniqueFilter *qq)
: QFrameGraphNodePrivate(qq)
{
}
void QTechniqueFilter::copy(const QNode *ref)
{
QFrameGraphNode::copy(ref);
const QTechniqueFilter *other = static_cast<const QTechniqueFilter*>(ref);
Q_FOREACH (QFrameGraphNode *fgChild, other->d_func()->m_fgChildren)
appendFrameGraphNode(qobject_cast<QFrameGraphNode *>(QNode::clone(fgChild)));
Q_FOREACH (QAnnotation *crit, other->d_func()->m_requireList)
addRequirement(qobject_cast<QAnnotation *>(QNode::clone(crit)));
}
QTechniqueFilter::QTechniqueFilter(QNode *parent)
: QFrameGraphNode(*new QTechniqueFilterPrivate(this), parent)
{
}
QTechniqueFilter::QTechniqueFilter(QTechniqueFilterPrivate &dd, QNode *parent)
: QFrameGraphNode(dd, parent)
{
}
QList<QAnnotation *> QTechniqueFilter::criteria() const
{
Q_D(const QTechniqueFilter);
return d->m_requireList;
}
void QTechniqueFilter::addRequirement(QAnnotation *criterion)
{
Q_D(QTechniqueFilter);
d->m_requireList.append(criterion);
// 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 (!criterion->parent())
criterion->setParent(this);
if (d->m_changeArbiter != Q_NULLPTR) {
QScenePropertyChangePtr propertyChange(new QScenePropertyChange(NodeAdded, QSceneChange::Node, id()));
propertyChange->setPropertyName("require");
propertyChange->setValue(QVariant::fromValue(criterion));
d->notifyObservers(propertyChange);
}
}
void QTechniqueFilter::removeRequirement(QAnnotation *criterion)
{
Q_D(QTechniqueFilter);
if (d->m_changeArbiter != Q_NULLPTR) {
QScenePropertyChangePtr propertyChange(new QScenePropertyChange(NodeRemoved, QSceneChange::Node, id()));
propertyChange->setPropertyName("require");
propertyChange->setValue(QVariant::fromValue(criterion->id()));
d->notifyObservers(propertyChange);
}
d->m_requireList.removeOne(criterion);
}
} // Qt3D
QT_END_NAMESPACE
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