b0042601ed
Cleanup the OpenGL examples - use nullptr (clang-tidy) - use member-initialization - avoid redundant checks for != nullptr when deleting a pointer Change-Id: I3e4702690ed79e71c3e952d51ceef83b907b45b7 Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** BSD License Usage
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** Alternatively, you may use this file under the terms of the BSD license
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** as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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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 <QVector>
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#include <QPushButton>
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class Bubble;
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class MainWindow;
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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(MainWindow *mw, bool button, const QColor &background);
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~GLWidget();
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public slots:
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void setScaling(int scale);
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void setLogo();
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void setTexture();
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void setShowBubbles(bool);
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void setTransparent(bool transparent);
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private slots:
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void handleButtonPress();
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protected:
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void resizeGL(int w, int h) override;
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void paintGL() override;
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void initializeGL() override;
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private:
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void paintTexturedCube();
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void paintQtLogo();
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void createGeometry();
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void createBubbles(int number);
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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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MainWindow *m_mainWindow;
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qreal m_fAngle = 0;
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qreal m_fScale = 1;
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bool m_showBubbles = true;
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QVector<QVector3D> m_vertices;
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QVector<QVector3D> m_normals;
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bool m_qtLogo = true;
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QVector<Bubble *> m_bubbles;
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int m_frames = 0;
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QElapsedTimer m_time;
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QOpenGLShader *m_vshader1 = nullptr;
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QOpenGLShader *m_fshader1 = nullptr;
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QOpenGLShader *m_vshader2 = nullptr;
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QOpenGLShader *m_fshader2 = nullptr;
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QOpenGLShaderProgram *m_program1 = nullptr;
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QOpenGLShaderProgram *m_program2 = nullptr;
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QOpenGLTexture *m_texture = nullptr;
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QOpenGLBuffer m_vbo1;
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QOpenGLBuffer m_vbo2;
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int m_vertexAttr1 = 0;
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int m_normalAttr1 = 0;
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int m_matrixUniform1 = 0;
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int m_vertexAttr2 = 0;
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int m_normalAttr2 = 0;
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int m_texCoordAttr2 = 0;
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int m_matrixUniform2 = 0;
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int m_textureUniform2 = 0;
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bool m_transparent = false;
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QPushButton *m_btn = nullptr;
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bool m_hasButton;
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QColor m_background;
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};
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#endif
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