1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QQuickV8PARTICLEDATA_H
5#define QQuickV8PARTICLEDATA_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 <private/qquickparticlesystem_p.h>
19#include <QtQml/qqml.h>
20
21QT_BEGIN_NAMESPACE
22
23class QQuickV4ParticleData
24{
25 Q_GADGET
26 QML_VALUE_TYPE(particle)
27 QML_ADDED_IN_VERSION(6, 7)
28
29#define Q_QUICK_PARTICLE_ACCESSOR(TYPE, VARIABLE, NAME) \
30 Q_PROPERTY(TYPE NAME READ NAME WRITE set_ ## NAME FINAL) \
31 TYPE NAME() const { return datum ? datum->VARIABLE : TYPE(); } \
32 void set_ ## NAME(TYPE a) { if (datum) datum->VARIABLE = a; }
33
34 Q_QUICK_PARTICLE_ACCESSOR(float, x, initialX)
35 Q_QUICK_PARTICLE_ACCESSOR(float, vx, initialVX)
36 Q_QUICK_PARTICLE_ACCESSOR(float, ax, initialAX)
37 Q_QUICK_PARTICLE_ACCESSOR(float, y, initialY)
38 Q_QUICK_PARTICLE_ACCESSOR(float, vy, initialVY)
39 Q_QUICK_PARTICLE_ACCESSOR(float, ay, initialAY)
40 Q_QUICK_PARTICLE_ACCESSOR(float, t, t)
41 Q_QUICK_PARTICLE_ACCESSOR(float, size, startSize)
42 Q_QUICK_PARTICLE_ACCESSOR(float, endSize, endSize)
43 Q_QUICK_PARTICLE_ACCESSOR(float, lifeSpan, lifeSpan)
44 Q_QUICK_PARTICLE_ACCESSOR(float, rotation, rotation)
45 Q_QUICK_PARTICLE_ACCESSOR(float, rotationVelocity, rotationVelocity)
46 Q_QUICK_PARTICLE_ACCESSOR(bool, autoRotate, autoRotate)
47 Q_QUICK_PARTICLE_ACCESSOR(bool, update, update)
48 Q_QUICK_PARTICLE_ACCESSOR(float, xx, xDeformationVectorX)
49 Q_QUICK_PARTICLE_ACCESSOR(float, yx, yDeformationVectorX)
50 Q_QUICK_PARTICLE_ACCESSOR(float, xy, xDeformationVectorY)
51 Q_QUICK_PARTICLE_ACCESSOR(float, yy, yDeformationVectorY)
52
53 // Undocumented?
54 Q_QUICK_PARTICLE_ACCESSOR(float, animIdx, animationIndex)
55 Q_QUICK_PARTICLE_ACCESSOR(float, frameDuration, frameDuration)
56 Q_QUICK_PARTICLE_ACCESSOR(float, frameAt, frameAt)
57 Q_QUICK_PARTICLE_ACCESSOR(float, frameCount, frameCount)
58 Q_QUICK_PARTICLE_ACCESSOR(float, animT, animationT)
59
60#undef Q_QUICK_PARTICLE_ACCESSOR
61
62#define Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(GETTER, SETTER, NAME) \
63 Q_PROPERTY(float NAME READ NAME WRITE set_ ## NAME) \
64 float NAME() const { return (datum && particleSystem) ? datum->GETTER(particleSystem) : 0; } \
65 void set_ ## NAME(float a) { if (datum && particleSystem) datum->SETTER(a, particleSystem); }
66
67 Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(curX, setInstantaneousX, x)
68 Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(curVX, setInstantaneousVX, vx)
69 Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(curAX, setInstantaneousAX, ax)
70 Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(curY, setInstantaneousY, y)
71 Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(curVY, setInstantaneousVY, vy)
72 Q_QUICK_PARTICLE_SYSTEM_ACCESSOR(curAY, setInstantaneousAY, ay)
73
74#undef Q_QUICK_PARTICLE_SYSTEM_ACCESSOR
75
76#define Q_QUICK_PARTICLE_COLOR_ACCESSOR(VAR, NAME) \
77 Q_PROPERTY(float NAME READ NAME WRITE set_ ## NAME) \
78 float NAME() const { return datum ? datum->color.VAR / 255.0 : 0.0; } \
79 void set_ ## NAME(float a)\
80 {\
81 if (datum)\
82 datum->color.VAR = qMin(255, qMax(0, (int)::floor(a * 255.0)));\
83 }
84
85 Q_QUICK_PARTICLE_COLOR_ACCESSOR(r, red)
86 Q_QUICK_PARTICLE_COLOR_ACCESSOR(g, green)
87 Q_QUICK_PARTICLE_COLOR_ACCESSOR(b, blue)
88 Q_QUICK_PARTICLE_COLOR_ACCESSOR(a, alpha)
89
90#undef Q_QUICK_PARTICLE_COLOR_ACCESSOR
91
92 Q_PROPERTY(float lifeLeft READ lifeLeft)
93 Q_PROPERTY(float currentSize READ currentSize)
94
95public:
96 QQuickV4ParticleData() = default;
97 QQuickV4ParticleData(QQuickParticleData *datum, QQuickParticleSystem *system)
98 : datum(datum)
99 , particleSystem(system)
100 {}
101
102 Q_INVOKABLE void discard()
103 {
104 if (datum)
105 datum->lifeSpan = 0;
106 }
107
108 float lifeLeft() const
109 {
110 return (datum && particleSystem) ? datum->lifeLeft(particleSystem) : 0.0;
111 }
112
113 float currentSize() const
114 {
115 return (datum && particleSystem) ? datum->curSize(particleSystem) : 0.0;
116 }
117
118private:
119 QQuickParticleData *datum = nullptr;
120 QQuickParticleSystem *particleSystem = nullptr;
121};
122
123
124QT_END_NAMESPACE
125
126
127#endif
128

source code of qtdeclarative/src/particles/qquickv4particledata_p.h