glwidget.h Example File

hellogl2/glwidget.h
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/
#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 = 0); ~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; int m_yRot; int m_zRot; QPoint m_lastPos; Logo m_logo; QOpenGLVertexArrayObject m_vao; QOpenGLBuffer m_logoVbo; QOpenGLShaderProgram *m_program; int m_projMatrixLoc; int m_mvMatrixLoc; int m_normalMatrixLoc; int m_lightPosLoc; QMatrix4x4 m_proj; QMatrix4x4 m_camera; QMatrix4x4 m_world; static bool m_transparent; }; #endif