Qt 4.8: glwidget.h Example File (opengl/hellogl_es/glwidget.h)

Qt Reference Documentation

- Qt 4.8
- ALL VERSIONS

- A
- A
- A
- Print

# glwidget.h Example File

opengl/hellogl_es/glwidget.h

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** 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 <QGLWidget>
     #include <QTime>

     class Bubble;
     class GLWidget : public QGLWidget {

         Q_OBJECT
     public:
         GLWidget(QWidget *parent = 0);
         ~GLWidget();
     public slots:
         void setScaling(int scale);
         void setLogo();
         void setTexture();
         void showBubbles(bool);
     protected:
         void paintGL ();
         void initializeGL ();
     private:
         GLuint  m_uiTexture;
         qreal   m_fAngle;
         qreal   m_fScale;
         bool m_showBubbles;
         void paintTexturedCube();
         void paintQtLogo();
         void createGeometry();
         void createBubbles(int number);
         void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
         void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
         QList<qreal> vertices;
         QList<qreal> normals;
         GLfloat *createdVertices;
         GLfloat *createdNormals;
         int m_vertexNumber;
         bool qtLogo;
         QList<Bubble*> bubbles;
         int frames;
         QTime time;
     };
     #endif