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39
40#ifndef QQuickANGLEDDIRECTION_H
41#define QQuickANGLEDDIRECTION_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53#include "qquickdirection_p.h"
54#include <QtQml/qqml.h>
55
56QT_BEGIN_NAMESPACE
57
58class QQuickAngleDirection : public QQuickDirection
59{
60 Q_OBJECT
61 Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
62 Q_PROPERTY(qreal magnitude READ magnitude WRITE setMagnitude NOTIFY magnitudeChanged)
63 Q_PROPERTY(qreal angleVariation READ angleVariation WRITE setAngleVariation NOTIFY angleVariationChanged)
64 Q_PROPERTY(qreal magnitudeVariation READ magnitudeVariation WRITE setMagnitudeVariation NOTIFY magnitudeVariationChanged)
65 QML_NAMED_ELEMENT(AngleDirection)
66public:
67 explicit QQuickAngleDirection(QObject *parent = 0);
68 QPointF sample(const QPointF &from) override;
69 qreal angle() const
70 {
71 return m_angle;
72 }
73
74 qreal magnitude() const
75 {
76 return m_magnitude;
77 }
78
79 qreal angleVariation() const
80 {
81 return m_angleVariation;
82 }
83
84 qreal magnitudeVariation() const
85 {
86 return m_magnitudeVariation;
87 }
88
89Q_SIGNALS:
90
91 void angleChanged(qreal arg);
92
93 void magnitudeChanged(qreal arg);
94
95 void angleVariationChanged(qreal arg);
96
97 void magnitudeVariationChanged(qreal arg);
98
99public Q_SLOTS:
100void setAngle(qreal arg)
101{
102 if (m_angle != arg) {
103 m_angle = arg;
104 Q_EMIT angleChanged(arg);
105 }
106}
107
108void setMagnitude(qreal arg)
109{
110 if (m_magnitude != arg) {
111 m_magnitude = arg;
112 Q_EMIT magnitudeChanged(arg);
113 }
114}
115
116void setAngleVariation(qreal arg)
117{
118 if (m_angleVariation != arg) {
119 m_angleVariation = arg;
120 Q_EMIT angleVariationChanged(arg);
121 }
122}
123
124void setMagnitudeVariation(qreal arg)
125{
126 if (m_magnitudeVariation != arg) {
127 m_magnitudeVariation = arg;
128 Q_EMIT magnitudeVariationChanged(arg);
129 }
130}
131
132private:
133qreal m_angle;
134qreal m_magnitude;
135qreal m_angleVariation;
136qreal m_magnitudeVariation;
137};
138
139QT_END_NAMESPACE
140#endif // QQuickANGLEDDIRECTION_H
141

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