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#ifndef GLWIDGET_H

#define GLWIDGET_H

#include <QGLWidget>

#include <QtGui/qvector3d.h>

#include <QtGui/qmatrix4x4.h>

#include <QtOpenGL/qglshaderprogram.h>

#include <QTime>

#include <QVector>

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);

    QVector<QVector3D> vertices;

    QVector<QVector3D> normals;

    bool qtLogo;

    QList<Bubble*> bubbles;

    int frames;

    QTime time;

    QGLShaderProgram program1;

    QGLShaderProgram program2;

    int vertexAttr1;

    int normalAttr1;

    int matrixUniform1;

    int vertexAttr2;

    int normalAttr2;

    int texCoordAttr2;

    int matrixUniform2;

    int textureUniform2;

};

#endif