1// Copyright (C) 2024 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#ifndef PLANEGEOMETRY_P_H
5#define PLANEGEOMETRY_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QQuick3DGeometry>
19#include <QQmlEngine>
20#include <QVector3D>
21
22#if QT_CONFIG(concurrent)
23#include <QFuture>
24#include <QFutureWatcher>
25#endif
26
27QT_BEGIN_NAMESPACE
28
29class PlaneGeometry : public QQuick3DGeometry
30{
31 Q_OBJECT
32 Q_PROPERTY(float width READ width WRITE setWidth NOTIFY widthChanged FINAL)
33 Q_PROPERTY(float height READ height WRITE setHeight NOTIFY heightChanged FINAL)
34 Q_PROPERTY(QSize meshResolution READ meshResolution WRITE setMeshResolution NOTIFY meshResolutionChanged FINAL)
35 Q_PROPERTY(Plane plane READ plane WRITE setPlane NOTIFY planeChanged FINAL)
36 Q_PROPERTY(bool reversed READ reversed WRITE setReversed NOTIFY reversedChanged FINAL)
37 Q_PROPERTY(bool mirrored READ mirrored WRITE setMirrored NOTIFY mirroredChanged FINAL)
38 Q_PROPERTY(bool asynchronous READ asynchronous WRITE setAsynchronous NOTIFY asynchronousChanged)
39 Q_PROPERTY(Status status READ status NOTIFY statusChanged)
40 QML_ELEMENT
41 QML_ADDED_IN_VERSION(6, 9)
42public:
43 enum Status { Null, Ready, Loading, Error };
44 Q_ENUM(Status)
45
46 enum Plane { XY, XZ, ZY };
47 Q_ENUM(Plane)
48
49 explicit PlaneGeometry(QQuick3DObject *parent = nullptr);
50 ~PlaneGeometry() override;
51
52 float width() const;
53 void setWidth(float newWidth);
54 float height() const;
55 void setHeight(float newHeight);
56
57 QSize meshResolution() const;
58 void setMeshResolution(const QSize &newMeshResolution);
59
60 Plane plane() const;
61 void setPlane(Plane newPlane);
62
63 bool mirrored() const;
64 void setMirrored(bool newMirrored);
65
66 bool asynchronous() const;
67 void setAsynchronous(bool newAsynchronous);
68
69 Status status() const;
70
71 bool reversed() const;
72 void setReversed(bool newReversed);
73
74private Q_SLOTS:
75 void doUpdateGeometry();
76 void requestFinished();
77
78Q_SIGNALS:
79 void widthChanged();
80 void heightChanged();
81 void meshResolutionChanged();
82 void planeChanged();
83 void mirroredChanged();
84 void asynchronousChanged();
85 void statusChanged();
86 void reversedChanged();
87
88private:
89 struct GeometryData {
90 QByteArray vertexData;
91 QByteArray indexData;
92 QVector3D boundsMin;
93 QVector3D boundsMax;
94 };
95
96 void scheduleGeometryUpdate();
97 void updateGeometry(const GeometryData &geometryData);
98
99 static PlaneGeometry::GeometryData generatePlaneGeometry(float width,
100 float height,
101 QSize meshResolution,
102 Plane plane,
103 bool reversed,
104 bool mirrored);
105#if QT_CONFIG(concurrent)
106 static void generatePlaneGeometryAsync(QPromise<PlaneGeometry::GeometryData> &promise,
107 float width,
108 float height,
109 QSize meshResolution,
110 Plane plane,
111 bool reversed,
112 bool mirrored);
113#endif
114 float m_width = 100.0f;
115 float m_height = 100.0f;
116 QSize m_meshResolution = QSize(2, 2);
117 Plane m_plane = XY;
118 bool m_reversed = false;
119 bool m_mirrored = false;
120 bool m_asynchronous = true;
121 Status m_status = Null;
122#if QT_CONFIG(concurrent)
123 QFuture<GeometryData> m_geometryDataFuture;
124 QFutureWatcher<GeometryData> m_geometryDataWatcher;
125#endif
126 bool m_geometryUpdateRequested = false;
127 bool m_pendingAsyncUpdate = false;
128};
129
130QT_END_NAMESPACE
131
132#endif // PLANEGEOMETRY_P_H
133

source code of qtquick3d/src/helpers/planegeometry_p.h