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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef HELLOWINDOW_H
#define HELLOWINDOW_H
#include <QWindow>
#include <QColor>
#include <QMutex>
#include <QOpenGLShaderProgram>
#include <QOpenGLBuffer>
#include <QSharedPointer>
#include <QTimer>
class HelloWindow;
class Renderer : public QObject
{
Q_OBJECT
public:
explicit Renderer(const QSurfaceFormat &format, Renderer *share = nullptr,
QScreen *screen = nullptr);
QSurfaceFormat format() const { return m_format; }
public slots:
void render(HelloWindow *surface, qreal angle, const QColor &color);
signals:
void requestUpdate();
private:
void initialize();
void createGeometry();
void createBubbles(int number);
void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
QList<QVector3D> vertices;
QList<QVector3D> normals;
int vertexAttr;
int normalAttr;
int matrixUniform;
int colorUniform;
bool m_initialized;
QSurfaceFormat m_format;
QOpenGLContext *m_context;
QOpenGLShaderProgram *m_program;
QOpenGLBuffer m_vbo;
QColor m_backgroundColor;
};
class HelloWindow : public QWindow
{
public:
explicit HelloWindow(const QSharedPointer<Renderer> &renderer, QScreen *screen = nullptr);
QColor color() const;
void updateColor();
protected:
bool event(QEvent *ev) override;
void exposeEvent(QExposeEvent *event) override;
void mousePressEvent(QMouseEvent *) override;
void render();
private:
int m_colorIndex;
QColor m_color;
const QSharedPointer<Renderer> m_renderer;
};
#endif // HELLOWINDOW_H
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