71 lines
1.3 KiB
C++
71 lines
1.3 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef SQUIRCLE_H
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#define SQUIRCLE_H
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#include <QtQuick/QQuickItem>
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#include <QtQuick/QQuickWindow>
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#include <QOpenGLShaderProgram>
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#include <QOpenGLFunctions>
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#include <QOpenGLBuffer>
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//! [1]
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class SquircleRenderer : public QObject, protected QOpenGLFunctions
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{
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Q_OBJECT
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public:
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~SquircleRenderer();
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void setT(qreal t) { m_t = t; }
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void setViewportSize(const QSize &size) { m_viewportSize = size; }
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void setWindow(QQuickWindow *window) { m_window = window; }
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public slots:
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void init();
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void paint();
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private:
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QSize m_viewportSize;
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qreal m_t = 0.0;
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QOpenGLShaderProgram *m_program = nullptr;
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QQuickWindow *m_window = nullptr;
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QOpenGLBuffer m_vbo;
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};
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//! [1]
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//! [2]
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class Squircle : public QQuickItem
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{
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Q_OBJECT
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Q_PROPERTY(qreal t READ t WRITE setT NOTIFY tChanged)
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QML_ELEMENT
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public:
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Squircle();
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qreal t() const { return m_t; }
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void setT(qreal t);
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signals:
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void tChanged();
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public slots:
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void sync();
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void cleanup();
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private slots:
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void handleWindowChanged(QQuickWindow *win);
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private:
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void releaseResources() override;
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qreal m_t;
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SquircleRenderer *m_renderer;
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};
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//! [2]
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#endif // SQUIRCLE_H
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