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48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
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// Copyright (C) 2022 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
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#ifndef MYGRAPHICSVIEW_H
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#define MYGRAPHICSVIEW_H
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#include <QOpenGLFunctions>
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#include <QGraphicsView>
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#include <QOpenGLShaderProgram>
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#include <QOpenGLBuffer>
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#include <QMatrix4x4>
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#include <QOpenGLWidget>
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class MyGraphicsView : public QGraphicsView, protected QOpenGLFunctions
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{
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public:
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MyGraphicsView(QWidget *parent = nullptr);
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MyGraphicsView(QGraphicsScene *scene, QWidget *parent = nullptr);
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void saveImage(QOpenGLWidget::TargetBuffer targetBuffer);
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protected:
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void drawBackground(QPainter *painter, const QRectF &rect) override;
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void resizeEvent(QResizeEvent *event) override;
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private:
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void init();
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void initShaders();
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void initCube();
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void draw(QOpenGLWidget::TargetBuffer targetBuffer);
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void resize(int w, int h);
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bool m_initialized = false;
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QOpenGLShaderProgram m_program;
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QMatrix4x4 m_projection;
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QOpenGLBuffer m_arrayBuf;
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QOpenGLBuffer m_indexBuf;
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qreal m_yaw = 0;
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};
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#endif // MYGRAPHICSVIEW_H
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