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| |
| #include "qviewport.h" |
| #include "qviewport_p.h" |
| |
| #include <Qt3DRender/qframegraphnodecreatedchange.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| QViewportPrivate::QViewportPrivate() |
| : QFrameGraphNodePrivate() |
| , m_normalizedRect(QRectF(0.0f, 0.0f, 1.0f, 1.0f)) |
| , m_gamma(2.2f) |
| { |
| } |
| |
| /*! |
| \class Qt3DRender::QViewport |
| \inmodule Qt3DRender |
| \brief A viewport on the Qt3D Scene. |
| \since 5.7 |
| |
| \inherits Qt3DRender::QFrameGraphNode |
| |
| Qt3DRender::QViewport of the scene specifies at which portion of the render surface Qt3D |
| is rendering to. Area outside the viewport is left untouched. It also controls global parameters |
| to the rendering in that viewport like gamma. |
| */ |
| |
| /*! |
| \qmltype Viewport |
| \inqmlmodule Qt3D.Render |
| \since 5.7 |
| \inherits FrameGraphNode |
| \instantiates Qt3DRender::QViewport |
| \brief A viewport on the Qt3D Scene. |
| |
| Viewport of the scene specifies at which portion of the render surface Qt3D is |
| rendering to. Area outside the viewport is left untouched. It also controls global parameters |
| to the rendering in that viewport like gamma. |
| */ |
| |
| /*! |
| \qmlproperty rect Viewport::normalizedRect |
| |
| Specifies the normalised rectangle for the viewport, i.e. the viewport rectangle |
| is specified relative to the render surface size. Whole surface sized viewport |
| is specified as [0.0, 0.0, 1.0, 1.0], which is the default. |
| */ |
| |
| /*! |
| \qmlproperty rect Viewport::gamma |
| |
| Specifies the gamma factor for the viewport. The default is 2.2 which should give proper result on most screens. |
| */ |
| |
| /*! |
| Constructs QViewport with given \a parent. |
| */ |
| QViewport::QViewport(QNode *parent) |
| : QFrameGraphNode(*new QViewportPrivate, parent) |
| { |
| } |
| |
| /*! \internal */ |
| QViewport::~QViewport() |
| { |
| } |
| |
| /*! \internal */ |
| QViewport::QViewport(QViewportPrivate &dd, QNode *parent) |
| : QFrameGraphNode(dd, parent) |
| { |
| } |
| |
| |
| QRectF QViewport::normalizedRect() const |
| { |
| Q_D(const QViewport); |
| return d->m_normalizedRect; |
| } |
| |
| float QViewport::gamma() const |
| { |
| Q_D(const QViewport); |
| return d->m_gamma; |
| } |
| |
| /*! |
| \property QViewport::normalizedRect |
| |
| Specifies the normalised rectangle for the viewport, i.e. the viewport rectangle |
| is specified relative to the render surface size. Whole surface sized viewport |
| is specified as [0.0, 0.0, 1.0, 1.0], which is the default. |
| */ |
| void QViewport::setNormalizedRect(const QRectF &normalizedRect) |
| { |
| Q_D(QViewport); |
| if (normalizedRect != d->m_normalizedRect) { |
| d->m_normalizedRect = normalizedRect; |
| emit normalizedRectChanged(normalizedRect); |
| } |
| } |
| |
| /*! |
| \property QViewport::gamma |
| |
| Specifies the gamma factor for the viewport. The default is 2.2 which should give proper result on most screens. |
| */ |
| void QViewport::setGamma(float gamma) |
| { |
| Q_D(QViewport); |
| if (gamma != d->m_gamma) { |
| d->m_gamma = gamma; |
| emit gammaChanged(gamma); |
| } |
| } |
| |
| Qt3DCore::QNodeCreatedChangeBasePtr QViewport::createNodeCreationChange() const |
| { |
| auto creationChange = QFrameGraphNodeCreatedChangePtr<QViewportData>::create(this); |
| auto &data = creationChange->data; |
| Q_D(const QViewport); |
| data.normalizedRect = d->m_normalizedRect; |
| data.gamma = d->m_gamma; |
| return creationChange; |
| } |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |