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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef MYGRAPHICSVIEW_H
#define MYGRAPHICSVIEW_H
#include <QOpenGLFunctions>
#include <QGraphicsView>
#include <QOpenGLShaderProgram>
#include <QOpenGLBuffer>
#include <QMatrix4x4>
#include <QOpenGLWidget>
class MyGraphicsView : public QGraphicsView, protected QOpenGLFunctions
{
public:
MyGraphicsView(QWidget *parent = nullptr);
MyGraphicsView(QGraphicsScene *scene, QWidget *parent = nullptr);
void saveImage(QOpenGLWidget::TargetBuffer targetBuffer);
protected:
void drawBackground(QPainter *painter, const QRectF &rect) override;
void resizeEvent(QResizeEvent *event) override;
private:
void init();
void initShaders();
void initCube();
void draw(QOpenGLWidget::TargetBuffer targetBuffer);
void resize(int w, int h);
bool m_initialized = false;
QOpenGLShaderProgram m_program;
QMatrix4x4 m_projection;
QOpenGLBuffer m_arrayBuf;
QOpenGLBuffer m_indexBuf;
qreal m_yaw = 0;
};
#endif // MYGRAPHICSVIEW_H
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