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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 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 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgllightmodel.h"
QT_BEGIN_NAMESPACE
/*!
\class QGLLightModel
\brief The QGLLightModel class defines the lighting model to use for the scene.
\since 4.8
\ingroup qt3d
\ingroup qt3d::painting
*/
/*!
\qmlclass LightModel QGLLightModel
\brief The LightModel item defines the lighting model to use for the scene.
\since 4.8
\ingroup qt3d::qml3d
\sa Light
*/
/*!
\enum QGLLightModel::Model
This enum defines the type of lighting model to use: one-sided or two-sided.
\value OneSided One-sided lighting, with the front face material used for both front and back faces.
\value TwoSided Two-sided lighting, with separate front and back face materials.
*/
/*!
\enum QGLLightModel::ColorControl
This enum controls the number of colors to be generated by the lighting computation.
\value SingleColor A single color is generated by the lighting computation.
\value SeparateSpecularColor A separate specular color computation is
performed and then summed into the pixel color after texture mapping.
*/
/*!
\enum QGLLightModel::ViewerPosition
This enum defines the position of the viewer for the purposes of lighting calculations.
\value ViewerAtInfinity The viewer is at infinity along the -z axis.
\value LocalViewer The viewer is at the local origin in eye coordinates.
*/
class QGLLightModelPrivate
{
public:
QGLLightModelPrivate()
: model(QGLLightModel::OneSided),
colorControl(QGLLightModel::SingleColor),
viewerPosition(QGLLightModel::ViewerAtInfinity)
{
ambientSceneColor.setRgbF(0.2, 0.2, 0.2, 1.0);
}
QGLLightModel::Model model;
QGLLightModel::ColorControl colorControl;
QGLLightModel::ViewerPosition viewerPosition;
QColor ambientSceneColor;
};
/*!
Constructs a light model object with default values and attach
it to \a parent.
*/
QGLLightModel::QGLLightModel(QObject *parent)
: QObject(parent)
, d_ptr(new QGLLightModelPrivate)
{
}
/*!
Destroys this light model.
*/
QGLLightModel::~QGLLightModel()
{
}
/*!
\property QGLLightModel::model
\brief the lighting model to use, either OneSided or TwoSided.
The default is OneSided.
\sa modelChanged()
*/
/*!
\qmlproperty enumeration LightModel::model
The lighting model to use, either OneSided or TwoSided.
The default is OneSided.
*/
QGLLightModel::Model QGLLightModel::model() const
{
Q_D(const QGLLightModel);
return d->model;
}
void QGLLightModel::setModel(QGLLightModel::Model value)
{
Q_D(QGLLightModel);
if (d->model != value) {
d->model = value;
emit modelChanged();
emit lightModelChanged();
}
}
/*!
\property QGLLightModel::colorControl
\brief the color control mode, either SingleColor or
SeparateSpecularColor. The default value is SingleColor.
If SingleColor is specified, then a single color is calculated
by the lighting computation for a vertex. If SeparateSpecularColor
is specified, then a separate specular color computation is
performed and then summed into the pixel color after texture mapping.
\sa colorControlChanged()
*/
/*!
\qmlproperty enumeration LightModel::colorControl
The color control mode, either SingleColor or
SeparateSpecularColor. The default value is SingleColor.
If SingleColor is specified, then a single color is calculated
by the lighting computation for a vertex. If SeparateSpecularColor
is specified, then a separate specular color computation is
performed and then summed into the pixel color after texture mapping.
*/
QGLLightModel::ColorControl QGLLightModel::colorControl() const
{
Q_D(const QGLLightModel);
return d->colorControl;
}
void QGLLightModel::setColorControl(QGLLightModel::ColorControl value)
{
Q_D(QGLLightModel);
if (d->colorControl != value) {
d->colorControl = value;
emit colorControlChanged();
emit lightModelChanged();
}
}
/*!
\property QGLLightModel::viewerPosition
\brief the viewer position, either ViewerAtInfinity or LocalViewer.
The default value is ViewerAtInfinity.
\sa viewerPositionChanged()
*/
/*!
\qmlproperty enumeration LightModel::viewerPosition
The viewer position, either ViewerAtInfinity or LocalViewer.
The default value is ViewerAtInfinity.
*/
QGLLightModel::ViewerPosition QGLLightModel::viewerPosition() const
{
Q_D(const QGLLightModel);
return d->viewerPosition;
}
void QGLLightModel::setViewerPosition(QGLLightModel::ViewerPosition value)
{
Q_D(QGLLightModel);
if (d->viewerPosition != value) {
d->viewerPosition = value;
emit viewerPositionChanged();
emit lightModelChanged();
}
}
/*!
\property QGLLightModel::ambientSceneColor
\brief the ambient color of the entire scene. The default value
is (0.2, 0.2, 0.2, 1.0).
\sa ambientSceneColorChanged()
*/
/*!
\qmlproperty color LightModel::ambientSceneColor
The ambient color of the entire scene. The default value
is (0.2, 0.2, 0.2, 1.0).
*/
QColor QGLLightModel::ambientSceneColor() const
{
Q_D(const QGLLightModel);
return d->ambientSceneColor;
}
void QGLLightModel::setAmbientSceneColor(const QColor& value)
{
Q_D(QGLLightModel);
if (d->ambientSceneColor != value) {
d->ambientSceneColor = value;
emit ambientSceneColorChanged();
emit lightModelChanged();
}
}
/*!
\fn void QGLLightModel::modelChanged()
This signal is emitted when model() changes.
\sa model(), lightModelChanged()
*/
/*!
\fn void QGLLightModel::colorControlChanged()
This signal is emitted when colorControl() changes.
\sa colorControl(), lightModelChanged()
*/
/*!
\fn void QGLLightModel::viewerPositionChanged()
This signal is emitted when viewerPosition() changes.
\sa viewerPosition(), lightModelChanged()
*/
/*!
\fn void QGLLightModel::ambientSceneColorChanged()
This signal is emitted when ambientSceneColor() changes.
\sa ambientSceneColor(), lightModelChanged()
*/
/*!
\fn void QGLLightModel::lightModelChanged()
This signal is emitted when one of model(), colorControl(),
viewerPosition(), or ambientSceneColor() changes.
*/
QT_END_NAMESPACE
|
