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40
41#include "qfrontface.h"
42#include "qfrontface_p.h"
43#include <Qt3DRender/private/qrenderstatecreatedchange_p.h>
44
45QT_BEGIN_NAMESPACE
46
47namespace Qt3DRender {
48
49/*!
50 \class Qt3DRender::QFrontFace
51 \brief The QFrontFace class defines front and back facing polygons.
52 \since 5.7
53 \ingroup renderstates
54 \inmodule Qt3DRender
55
56 A Qt3DRender::QFrontFace sets the winding direction of the front facing polygons.
57
58 \sa QCullFace
59 */
60
61/*!
62 \qmltype FrontFace
63 \brief The FrontFace type defines front and back facing polygons.
64 \since 5.7
65 \ingroup renderstates
66 \inqmlmodule Qt3D.Render
67 \inherits RenderState
68 \instantiates Qt3DRender::QFrontFace
69
70 A FrontFace sets the winding direction of the front facing polygons.
71
72 \sa CullFace
73 */
74
75/*!
76 \enum QFrontFace::WindingDirection
77
78 This enumeration specifies the winding direction values.
79 \value ClockWise Clockwise polygons are front facing.
80 \value CounterClockWise Counter clockwise polygons are front facing.
81*/
82
83/*!
84 \qmlproperty enumeration FrontFace::direction
85 Holds the winding direction of the front facing polygons. Default is FrontFace.Clockwise.
86*/
87
88/*!
89 \property QFrontFace::direction
90 Holds the winding direction of the front facing polygons. Default is Clockwise.
91*/
92
93/*!
94 The constructor creates a new QFrontFace::QFrontFace instance with the
95 specified \a parent
96 */
97QFrontFace::QFrontFace(QNode *parent)
98 : QRenderState(*new QFrontFacePrivate, parent)
99{
100}
101
102/*! \internal */
103QFrontFace::~QFrontFace()
104{
105}
106
107QFrontFace::WindingDirection QFrontFace::direction() const
108{
109 Q_D(const QFrontFace);
110 return d->m_direction;
111}
112
113void QFrontFace::setDirection(QFrontFace::WindingDirection direction)
114{
115 Q_D(QFrontFace);
116 if (d->m_direction != direction) {
117 d->m_direction = direction;
118 emit directionChanged(direction);
119 }
120}
121
122Qt3DCore::QNodeCreatedChangeBasePtr QFrontFace::createNodeCreationChange() const
123{
124 auto creationChange = QRenderStateCreatedChangePtr<QFrontFaceData>::create(arguments: this);
125 auto &data = creationChange->data;
126 Q_D(const QFrontFace);
127 data.direction = d->m_direction;
128 return creationChange;
129}
130
131} // namespace Qt3DRender
132
133QT_END_NAMESPACE
134

source code of qt3d/src/render/renderstates/qfrontface.cpp