1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the examples of the Qt Toolkit.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef GLWIDGET_H

    43 #define GLWIDGET_H

    44 

    45 #include <QGLWidget>

    46 #include <QtGui/qvector3d.h>

    47 #include <QtGui/qmatrix4x4.h>

    48 #include <QtOpenGL/qglshaderprogram.h>

    49 #include <QTime>

    50 #include <QVector>

    51 

    52 class Bubble;

    53 class GLWidget : public QGLWidget {

    54 

    55     Q_OBJECT

    56 public:

    57     GLWidget(QWidget *parent = 0);

    58     ~GLWidget();

    59 public slots: 

    60     void setScaling(int scale);

    61     void setLogo();

    62     void setTexture();

    63     void showBubbles(bool);

    64 protected:

    65     void paintGL ();

    66     void initializeGL ();

    67 private:

    68     GLuint  m_uiTexture;

    69     qreal   m_fAngle;

    70     qreal   m_fScale;

    71     bool m_showBubbles;

    72     void paintTexturedCube();

    73     void paintQtLogo();

    74     void createGeometry();

    75     void createBubbles(int number);

    76     void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);

    77     void extrude(qreal x1, qreal y1, qreal x2, qreal y2);

    78     QVector<QVector3D> vertices;

    79     QVector<QVector3D> normals;

    80     bool qtLogo;

    81     QList<Bubble*> bubbles;

    82     int frames;

    83     QTime time;

    84     QGLShaderProgram program1;

    85     QGLShaderProgram program2;

    86     int vertexAttr1;

    87     int normalAttr1;

    88     int matrixUniform1;

    89     int vertexAttr2;

    90     int normalAttr2;

    91     int texCoordAttr2;

    92     int matrixUniform2;

    93     int textureUniform2;

    94 };

    95 #endif