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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 "qclipplane.h"
#include "qclipplane_p.h"
#include <Qt3DRender/private/qrenderstatecreatedchange_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
/*!
\class Qt3DRender::QClipPlane
\inmodule Qt3DRender
\since 5.5
\brief Enables an additional OpenGL clipping plane that can be in shaders
using gl_ClipDistance.
By default, OpenGL supports up to 8 additional clipping planes.
Qt3DCore::QClipPlane allows to enable one of these additional planes. These
planes can then be manipulated in the shaders using gl_ClipDistance[i]
where i varies between 0 and 7. The underlying implementation may support more
than 8 clip planes, but it is not guaranteed.
*/
/*!
\qmltype ClipPlane
\instantiates Qt3DRender::QClipPlane
\inherits RenderState
\inqmlmodule Qt3D.Render
\since 5.5
\brief Enables an additional OpenGL clipping plane that can be in shaders
using gl_ClipDistance.
By default, OpenGL supports up to 8 additional clipping planes. ClipPlane
allows to enable one of these additional planes. These planes can then be
manipulated in the shaders using gl_ClipDistance[i] where i varies between
0 and 7. The underlying implementation may support more than 8 clip planes,
but it is not guaranteed.
*/
/*!
\qmlproperty int ClipPlane::planeIndex
Holds the index of the plane.
\note Usually between 0-7.
*/
/*!
\qmlproperty vector3d ClipPlane::normal
Holds the normal of the plane.
*/
/*!
\qmlproperty real ClipPlane::distance
Holds the distance of the plane from the world origin.
*/
/*!
\property QClipPlane::planeIndex
Holds the index of the plane.
\note Usually between 0-7.
*/
/*!
\property QClipPlane::normal
Holds the normal of the plane.
*/
/*!
\property QClipPlane::distance
Holds the distance of the plane from the world origin.
*/
QClipPlane::QClipPlane(QNode *parent)
: QRenderState(*new QClipPlanePrivate(), parent)
{
}
/*! \internal */
QClipPlane::~QClipPlane()
{
}
int QClipPlane::planeIndex() const
{
Q_D(const QClipPlane);
return d->m_planeIndex;
}
QVector3D QClipPlane::normal() const
{
Q_D(const QClipPlane);
return d->m_normal;
}
float QClipPlane::distance() const
{
Q_D(const QClipPlane);
return d->m_distance;
}
void QClipPlane::setPlaneIndex(int planeIndex)
{
Q_D(QClipPlane);
if (planeIndex != d->m_planeIndex) {
d->m_planeIndex = planeIndex;
Q_EMIT planeIndexChanged(planeIndex);
}
}
void QClipPlane::setNormal(QVector3D normal)
{
Q_D(QClipPlane);
if (normal != d->m_normal) {
d->m_normal = normal;
Q_EMIT normalChanged(normal);
}
}
void QClipPlane::setDistance(float distance)
{
Q_D(QClipPlane);
if (distance != d->m_distance) {
d->m_distance = distance;
Q_EMIT distanceChanged(distance);
}
}
Qt3DCore::QNodeCreatedChangeBasePtr QClipPlane::createNodeCreationChange() const
{
auto creationChange = QRenderStateCreatedChangePtr<QClipPlaneData>::create(this);
auto &data = creationChange->data;
Q_D(const QClipPlane);
data.normal = d->m_normal;
data.distance = d->m_distance;
data.planeIndex = d->m_planeIndex;
return creationChange;
}
} // namespace Qt3DRender
QT_END_NAMESPACE
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