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glwidget.h

/****************************************************************************
**
** Copyright (C) 2005-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
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** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
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** (or its successors, if any) and the KDE Free Qt Foundation. In
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****************************************************************************/

#ifndef GLWIDGET_H
#define GLWIDGET_H

#include <QGLWidget>

//! [0]
class GLWidget : public QGLWidget
{
    Q_OBJECT

public:
    GLWidget(QWidget *parent = 0);
    ~GLWidget();

    QSize minimumSizeHint() const;
    QSize sizeHint() const;
//! [0]

//! [1]
public slots:
    void setXRotation(int angle);
    void setYRotation(int angle);
    void setZRotation(int angle);

signals:
    void xRotationChanged(int angle);
    void yRotationChanged(int angle);
    void zRotationChanged(int angle);
//! [1]

//! [2]
protected:
    void initializeGL();
    void paintGL();
    void resizeGL(int width, int height);
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
//! [2]

//! [3]
private:
    GLuint makeObject();
    void quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
              GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4);
    void extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);
    void normalizeAngle(int *angle);

    GLuint object;
    int xRot;
    int yRot;
    int zRot;
    QPoint lastPos;
    QColor trolltechGreen;
    QColor trolltechPurple;
};
//! [3]

#endif

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