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50 | |
51 | #ifndef SQUIRCLE_H |
52 | #define SQUIRCLE_H |
53 | |
54 | #include <QtQuick/QQuickItem> |
55 | #include <QtGui/QOpenGLShaderProgram> |
56 | #include <QtGui/QOpenGLFunctions> |
57 | |
58 | |
59 | |
60 | //! [1] |
61 | class SquircleRenderer : public QObject, protected QOpenGLFunctions |
62 | { |
63 | Q_OBJECT |
64 | public: |
65 | SquircleRenderer() : m_t(0), m_program(0) { } |
66 | ~SquircleRenderer(); |
67 | |
68 | void setT(qreal t) { m_t = t; } |
69 | void setViewportSize(const QSize &size) { m_viewportSize = size; } |
70 | void setWindow(QQuickWindow *window) { m_window = window; } |
71 | |
72 | public slots: |
73 | void init(); |
74 | void paint(); |
75 | |
76 | private: |
77 | QSize m_viewportSize; |
78 | qreal m_t; |
79 | QOpenGLShaderProgram *m_program; |
80 | QQuickWindow *m_window; |
81 | }; |
82 | //! [1] |
83 | |
84 | //! [2] |
85 | class Squircle : public QQuickItem |
86 | { |
87 | Q_OBJECT |
88 | Q_PROPERTY(qreal t READ t WRITE setT NOTIFY tChanged) |
89 | QML_ELEMENT |
90 | |
91 | public: |
92 | Squircle(); |
93 | |
94 | qreal t() const { return m_t; } |
95 | void setT(qreal t); |
96 | |
97 | signals: |
98 | void tChanged(); |
99 | |
100 | public slots: |
101 | void sync(); |
102 | void cleanup(); |
103 | |
104 | private slots: |
105 | void handleWindowChanged(QQuickWindow *win); |
106 | |
107 | private: |
108 | void releaseResources() override; |
109 | |
110 | qreal m_t; |
111 | SquircleRenderer *m_renderer; |
112 | }; |
113 | //! [2] |
114 | |
115 | #endif // SQUIRCLE_H |
116 | |