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Diffstat (limited to 'examples/sensors/cubehouse/lightmodel.cpp')
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diff --git a/examples/sensors/cubehouse/lightmodel.cpp b/examples/sensors/cubehouse/lightmodel.cpp new file mode 100644 index 00000000..dfed8380 --- /dev/null +++ b/examples/sensors/cubehouse/lightmodel.cpp @@ -0,0 +1,243 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "lightmodel.h" + +/*! + \class LightModel + \brief The LightModel class defines the lighting model to use for the scene. + \since 4.7 + \ingroup qt3d + \ingroup qt3d::painting +*/ + +/*! + \enum LightModel::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 LightModel::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 LightModel::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 LightModelPrivate +{ +public: + LightModelPrivate() + : model(LightModel::OneSided), + colorControl(LightModel::SingleColor), + viewerPosition(LightModel::ViewerAtInfinity) + { + ambientSceneColor.setRgbF(0.2, 0.2, 0.2, 1.0); + } + + LightModel::Model model; + LightModel::ColorControl colorControl; + LightModel::ViewerPosition viewerPosition; + QColor ambientSceneColor; +}; + +/*! + Constructs a light model object with default values and attach + it to \a parent. +*/ +LightModel::LightModel(QObject *parent) + : QObject(parent), d_ptr(new LightModelPrivate) +{ +} + +/*! + Destroys this light model. +*/ +LightModel::~LightModel() +{ +} + +/*! + \property LightModel::model + \brief the lighting model to use, either OneSided or TwoSided. + The default is OneSided. + + \sa modelChanged() +*/ +LightModel::Model LightModel::model() const +{ + Q_D(const LightModel); + return d->model; +} + +void LightModel::setModel(LightModel::Model value) +{ + Q_D(LightModel); + if (d->model != value) { + d->model = value; + emit modelChanged(); + emit lightModelChanged(); + } +} + +/*! + \property LightModel::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() +*/ +LightModel::ColorControl LightModel::colorControl() const +{ + Q_D(const LightModel); + return d->colorControl; +} + +void LightModel::setColorControl(LightModel::ColorControl value) +{ + Q_D(LightModel); + if (d->colorControl != value) { + d->colorControl = value; + emit colorControlChanged(); + emit lightModelChanged(); + } +} + +/*! + \property LightModel::viewerPosition + \brief the viewer position, either ViewerAtInfinity or LocalViewer. + The default value is ViewerAtInfinity. + + \sa viewerPositionChanged() +*/ +LightModel::ViewerPosition LightModel::viewerPosition() const +{ + Q_D(const LightModel); + return d->viewerPosition; +} + +void LightModel::setViewerPosition(LightModel::ViewerPosition value) +{ + Q_D(LightModel); + if (d->viewerPosition != value) { + d->viewerPosition = value; + emit viewerPositionChanged(); + emit lightModelChanged(); + } +} + +/*! + \property LightModel::ambientSceneColor + \brief the ambient color of the entire scene. The default value + is (0.2, 0.2, 0.2, 1.0). + + \sa ambientSceneColorChanged() +*/ +QColor LightModel::ambientSceneColor() const +{ + Q_D(const LightModel); + return d->ambientSceneColor; +} + +void LightModel::setAmbientSceneColor(const QColor& value) +{ + Q_D(LightModel); + if (d->ambientSceneColor != value) { + d->ambientSceneColor = value; + emit ambientSceneColorChanged(); + emit lightModelChanged(); + } +} + +/*! + \fn void LightModel::modelChanged() + + This signal is emitted when model() changes. + + \sa model(), lightModelChanged() +*/ + +/*! + \fn void LightModel::colorControlChanged() + + This signal is emitted when colorControl() changes. + + \sa colorControl(), lightModelChanged() +*/ + +/*! + \fn void LightModel::viewerPositionChanged() + + This signal is emitted when viewerPosition() changes. + + \sa viewerPosition(), lightModelChanged() +*/ + +/*! + \fn void LightModel::ambientSceneColorChanged() + + This signal is emitted when ambientSceneColor() changes. + + \sa ambientSceneColor(), lightModelChanged() +*/ + +/*! + \fn void LightModel::lightModelChanged() + + This signal is emitted when one of model(), colorControl(), + viewerPosition(), or ambientSceneColor() changes. +*/ |