| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| 2 | // Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies). |
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| 3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 4 | |
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| 5 | /*! |
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| 6 | * \class Qt3DRender::QBlendEquation |
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| 7 | * \inheaderfile Qt3DRender/QBlendEquation |
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| 8 | * \brief The QBlendEquation class specifies the equation used for both the RGB |
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| 9 | * blend equation and the Alpha blend equation. |
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| 10 | * \inmodule Qt3DRender |
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| 11 | * \since 5.7 |
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| 12 | * \ingroup renderstates |
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| 13 | * |
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| 14 | * The blend equation is used to determine how a new pixel is combined with a pixel |
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| 15 | * already in the framebuffer. |
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| 16 | */ |
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| 17 | |
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| 18 | /*! |
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| 19 | \qmltype BlendEquation |
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| 20 | \instantiates Qt3DRender::QBlendEquation |
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| 21 | \inherits RenderState |
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| 22 | \inqmlmodule Qt3D.Render |
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| 23 | \since 5.5 |
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| 24 | \brief The BlendEquation class specifies the equation used for both the RGB |
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| 25 | blend equation and the Alpha blend equation. |
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| 26 | |
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| 27 | The blend equation is used to determine how a new pixel is combined with a pixel |
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| 28 | already in the framebuffer. |
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| 29 | */ |
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| 30 | |
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| 31 | #include "qblendequation.h" |
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| 32 | #include "qblendequation_p.h" |
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| 33 | |
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| 34 | QT_BEGIN_NAMESPACE |
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| 35 | |
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| 36 | namespace Qt3DRender { |
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| 37 | |
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| 38 | /*! |
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| 39 | * The constructor creates a new blend state object with the specified \a parent. |
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| 40 | */ |
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| 41 | QBlendEquation::QBlendEquation(QNode *parent) |
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| 42 | : QRenderState(*new QBlendEquationPrivate, parent) |
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| 43 | { |
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| 44 | } |
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| 45 | |
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| 46 | /*! \internal */ |
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| 47 | QBlendEquation::~QBlendEquation() |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | /*! |
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| 52 | \enum Qt3DRender::QBlendEquation::BlendFunction |
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| 53 | |
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| 54 | \value Add GL_FUNC_ADD |
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| 55 | \value Subtract GL_FUNC_SUBTRACT |
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| 56 | \value ReverseSubtract GL_FUNC_REVERSE_SUBTRACT |
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| 57 | \value Min GL_MIN |
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| 58 | \value Max GL_MAX |
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| 59 | */ |
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| 60 | |
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| 61 | /*! |
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| 62 | \qmlproperty enumeration BlendEquation::blendFunction |
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| 63 | |
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| 64 | Holds the blend function, which determines how source and destination colors are combined. |
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| 65 | */ |
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| 66 | |
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| 67 | /*! |
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| 68 | \property QBlendEquation::blendFunction |
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| 69 | |
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| 70 | Holds the blend function, which determines how source and destination colors are combined. |
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| 71 | */ |
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| 72 | |
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| 73 | QBlendEquation::BlendFunction QBlendEquation::blendFunction() const |
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| 74 | { |
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| 75 | Q_D(const QBlendEquation); |
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| 76 | return d->m_blendFunction; |
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| 77 | } |
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| 78 | |
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| 79 | void QBlendEquation::setBlendFunction(QBlendEquation::BlendFunction blendFunction) |
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| 80 | { |
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| 81 | Q_D(QBlendEquation); |
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| 82 | if (d->m_blendFunction != blendFunction) { |
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| 83 | d->m_blendFunction = blendFunction; |
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| 84 | emit blendFunctionChanged(blendFunction); |
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| 85 | } |
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| 86 | } |
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| 87 | |
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| 88 | } // namespace Qt3DRender |
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| 89 | |
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| 90 | QT_END_NAMESPACE |
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| 91 | |
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| 92 | #include "moc_qblendequation.cpp" |
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| 93 | |
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