| 1 | // Copyright (C) 2023 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "q3dlight_p.h" |
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| 5 | |
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| 6 | QT_BEGIN_NAMESPACE |
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| 7 | |
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| 8 | /*! |
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| 9 | * \class Q3DLight |
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| 10 | * \inmodule QtGraphs |
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| 11 | * \brief Representation of a light source in 3D space. |
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| 12 | * |
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| 13 | * Q3DLight represents a monochrome light source in 3D space. |
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| 14 | * |
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| 15 | * \note Default light has isAutoPosition() \c true. |
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| 16 | */ |
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| 17 | |
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| 18 | /*! |
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| 19 | * \qmltype Light3D |
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| 20 | * \inqmlmodule QtGraphs |
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| 21 | * \ingroup graphs_qml |
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| 22 | * \instantiates Q3DLight |
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| 23 | * \brief Representation of a light source in 3D space. |
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| 24 | * |
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| 25 | * Light3D represents a monochrome light source in 3D space. |
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| 26 | * |
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| 27 | * \note Default light has autoPosition \c true. |
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| 28 | */ |
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| 29 | |
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| 30 | /*! |
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| 31 | * \qmlproperty bool Light3D::autoPosition |
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| 32 | * Defines whether the light position follows the camera automatically. |
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| 33 | * \note Has no effect if shadows are enabled. Remember to disable shadows before setting light's |
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| 34 | * position, or it will be overwritten by automatic positioning if this |
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| 35 | * property is \c false. |
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| 36 | */ |
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| 37 | |
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| 38 | /*! |
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| 39 | * Constructs a new 3D light located at origin. An optional \a parent parameter can be given |
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| 40 | * and is then passed to QObject constructor. |
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| 41 | */ |
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| 42 | Q3DLight::Q3DLight(QObject *parent) : |
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| 43 | Q3DObject(new Q3DLightPrivate(this), parent) |
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| 44 | { |
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| 45 | } |
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| 46 | |
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| 47 | /*! |
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| 48 | * Destroys the light object. |
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| 49 | */ |
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| 50 | Q3DLight::~Q3DLight() |
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| 51 | { |
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| 52 | } |
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| 53 | |
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| 54 | /*! |
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| 55 | * \property Q3DLight::autoPosition |
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| 56 | * \brief Whether the light position follows the camera automatically. |
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| 57 | * \note Has no effect if shadows are enabled. Remember to disable shadows before setting light's |
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| 58 | * position, or it will be overwritten by automatic positioning if |
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| 59 | * \c isAutoPosition() is \c false. |
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| 60 | */ |
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| 61 | void Q3DLight::setAutoPosition(bool enabled) |
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| 62 | { |
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| 63 | Q_D(Q3DLight); |
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| 64 | if (enabled != d->m_automaticLight) { |
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| 65 | d->m_automaticLight = enabled; |
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| 66 | setDirty(true); |
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| 67 | emit autoPositionChanged(autoPosition: enabled); |
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| 68 | } |
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| 69 | } |
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| 70 | |
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| 71 | bool Q3DLight::isAutoPosition() |
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| 72 | { |
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| 73 | const Q_D(Q3DLight); |
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| 74 | return d->m_automaticLight; |
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| 75 | } |
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| 76 | |
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| 77 | Q3DLightPrivate::Q3DLightPrivate(Q3DLight *q) : |
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| 78 | Q3DObjectPrivate(q), |
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| 79 | m_automaticLight(false) |
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| 80 | { |
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| 81 | } |
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| 82 | |
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| 83 | Q3DLightPrivate::~Q3DLightPrivate() |
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| 84 | { |
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| 85 | } |
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| 86 | |
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| 87 | void Q3DLightPrivate::sync(Q3DLight &other) |
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| 88 | { |
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| 89 | Q_Q(Q3DLight); |
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| 90 | if (q->isDirty()) { |
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| 91 | other.setPosition(q->position()); |
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| 92 | other.setAutoPosition(q->isAutoPosition()); |
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| 93 | q->setDirty(false); |
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| 94 | } |
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| 95 | } |
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| 96 | |
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| 97 | QT_END_NAMESPACE |
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| 98 | |
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