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https://github.com/crystalidea/qt6windows7.git
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54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
// Copyright (C) 2022 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef GLWIDGET_H
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#define GLWIDGET_H
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#include <QOpenGLWidget>
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#include <QOpenGLFunctions>
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#include <QOpenGLBuffer>
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#include <QVector3D>
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#include <QMatrix4x4>
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#include <QElapsedTimer>
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#include <QList>
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#include <QPushButton>
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QT_FORWARD_DECLARE_CLASS(QOpenGLTexture)
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QT_FORWARD_DECLARE_CLASS(QOpenGLShader)
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QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
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class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
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{
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Q_OBJECT
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public:
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GLWidget(const QColor &background);
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~GLWidget();
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void saveImage(QOpenGLWidget::TargetBuffer targetBuffer);
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protected:
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void paintGL() override;
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void initializeGL() override;
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private:
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void createGeometry();
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void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
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void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
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void reset();
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QList<QVector3D> m_vertices;
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QList<QVector3D> m_normals;
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QOpenGLShader *m_vshader = nullptr;
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QOpenGLShader *m_fshader = nullptr;
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QOpenGLShaderProgram *m_program = nullptr;
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QOpenGLBuffer m_vbo;
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int m_vertexAttr;
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int m_normalAttr;
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int m_matrixUniform;
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QColor m_background;
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QMetaObject::Connection m_contextWatchConnection;
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};
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#endif
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