1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #include "qviewport.h" |
5 | #include "qviewport_p.h" |
6 | |
7 | QT_BEGIN_NAMESPACE |
8 | |
9 | namespace Qt3DRender { |
10 | |
11 | QViewportPrivate::QViewportPrivate() |
12 | : QFrameGraphNodePrivate() |
13 | , m_normalizedRect(QRectF(0.0f, 0.0f, 1.0f, 1.0f)) |
14 | , m_gamma(2.2f) |
15 | { |
16 | } |
17 | |
18 | /*! |
19 | \class Qt3DRender::QViewport |
20 | \inmodule Qt3DRender |
21 | \brief A viewport on the Qt3D Scene. |
22 | \since 5.7 |
23 | |
24 | \inherits Qt3DRender::QFrameGraphNode |
25 | |
26 | Qt3DRender::QViewport of the scene specifies at which portion of the render surface Qt3D |
27 | is rendering to. Area outside the viewport is left untouched. It also controls global parameters |
28 | to the rendering in that viewport like gamma. |
29 | */ |
30 | |
31 | /*! |
32 | \qmltype Viewport |
33 | \inqmlmodule Qt3D.Render |
34 | \since 5.7 |
35 | \inherits FrameGraphNode |
36 | \instantiates Qt3DRender::QViewport |
37 | \brief A viewport on the Qt3D Scene. |
38 | |
39 | Viewport of the scene specifies at which portion of the render surface Qt3D is |
40 | rendering to. Area outside the viewport is left untouched. It also controls global parameters |
41 | to the rendering in that viewport like gamma. |
42 | */ |
43 | |
44 | /*! |
45 | \qmlproperty rect Viewport::normalizedRect |
46 | |
47 | Specifies the normalised rectangle for the viewport, i.e. the viewport rectangle |
48 | is specified relative to the render surface size. Whole surface sized viewport |
49 | is specified as [0.0, 0.0, 1.0, 1.0], which is the default. |
50 | */ |
51 | |
52 | /*! |
53 | \qmlproperty real Viewport::gamma |
54 | |
55 | Specifies the gamma factor for the viewport. The default is 2.2 which should give proper result on most screens. |
56 | */ |
57 | |
58 | /*! |
59 | Constructs QViewport with given \a parent. |
60 | */ |
61 | QViewport::QViewport(QNode *parent) |
62 | : QFrameGraphNode(*new QViewportPrivate, parent) |
63 | { |
64 | } |
65 | |
66 | /*! \internal */ |
67 | QViewport::~QViewport() |
68 | { |
69 | } |
70 | |
71 | /*! \internal */ |
72 | QViewport::QViewport(QViewportPrivate &dd, QNode *parent) |
73 | : QFrameGraphNode(dd, parent) |
74 | { |
75 | } |
76 | |
77 | |
78 | QRectF QViewport::normalizedRect() const |
79 | { |
80 | Q_D(const QViewport); |
81 | return d->m_normalizedRect; |
82 | } |
83 | |
84 | float QViewport::gamma() const |
85 | { |
86 | Q_D(const QViewport); |
87 | return d->m_gamma; |
88 | } |
89 | |
90 | /*! |
91 | \property QViewport::normalizedRect |
92 | |
93 | Specifies the normalised rectangle for the viewport, i.e. the viewport rectangle |
94 | is specified relative to the render surface size. Whole surface sized viewport |
95 | is specified as [0.0, 0.0, 1.0, 1.0], which is the default. |
96 | */ |
97 | void QViewport::setNormalizedRect(const QRectF &normalizedRect) |
98 | { |
99 | Q_D(QViewport); |
100 | if (normalizedRect != d->m_normalizedRect) { |
101 | d->m_normalizedRect = normalizedRect; |
102 | emit normalizedRectChanged(normalizedRect); |
103 | } |
104 | } |
105 | |
106 | /*! |
107 | \property QViewport::gamma |
108 | |
109 | Specifies the gamma factor for the viewport. The default is 2.2 which should give proper result on most screens. |
110 | */ |
111 | void QViewport::setGamma(float gamma) |
112 | { |
113 | Q_D(QViewport); |
114 | if (gamma != d->m_gamma) { |
115 | d->m_gamma = gamma; |
116 | emit gammaChanged(gamma); |
117 | } |
118 | } |
119 | |
120 | } // namespace Qt3DRender |
121 | |
122 | QT_END_NAMESPACE |
123 | |
124 | #include "moc_qviewport.cpp" |
125 | |