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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QOpenGLWidget>
#include <QOpenGLFunctions>
#include <QOpenGLVertexArrayObject>
#include <QOpenGLBuffer>
#include <QMatrix4x4>
#include "logo.h"
QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram)
class GLWidget : public QOpenGLWidget, protected QOpenGLFunctions
{
Q_OBJECT
public:
GLWidget(QWidget *parent = nullptr);
~GLWidget();
static bool isTransparent() { return m_transparent; }
static void setTransparent(bool t) { m_transparent = t; }
QSize minimumSizeHint() const override;
QSize sizeHint() const override;
public slots:
void setXRotation(int angle);
void setYRotation(int angle);
void setZRotation(int angle);
void cleanup();
signals:
void xRotationChanged(int angle);
void yRotationChanged(int angle);
void zRotationChanged(int angle);
protected:
void initializeGL() override;
void paintGL() override;
void resizeGL(int width, int height) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseMoveEvent(QMouseEvent *event) override;
private:
void setupVertexAttribs();
bool m_core;
int m_xRot = 0;
int m_yRot = 0;
int m_zRot = 0;
QPoint m_lastPos;
Logo m_logo;
QOpenGLVertexArrayObject m_vao;
QOpenGLBuffer m_logoVbo;
QOpenGLShaderProgram *m_program = nullptr;
int m_projMatrixLoc = 0;
int m_mvMatrixLoc = 0;
int m_normalMatrixLoc = 0;
int m_lightPosLoc = 0;
QMatrix4x4 m_proj;
QMatrix4x4 m_camera;
QMatrix4x4 m_world;
static bool m_transparent;
};
#endif
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