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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef GLWIDGET_H
#define GLWIDGET_H
#include <QBrush>
#include <QFont>
#include <QImage>
#include <QPen>
#include <QGLWidget>
#include <QTimer>
class Bubble;
QT_BEGIN_NAMESPACE
class QPaintEvent;
class QWidget;
QT_END_NAMESPACE
//! [0]
class GLWidget : public QGLWidget
{
Q_OBJECT
public:
GLWidget(QWidget *parent = 0);
~GLWidget();
//! [0]
QSize sizeHint() const;
int xRotation() const { return xRot; }
int yRotation() const { return yRot; }
int zRotation() const { return zRot; }
public slots:
void setXRotation(int angle);
void setYRotation(int angle);
void setZRotation(int angle);
//! [1]
protected:
void initializeGL();
void paintEvent(QPaintEvent *event);
void resizeGL(int width, int height);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void showEvent(QShowEvent *event);
private slots:
void animate();
private:
GLuint makeObject();
void createBubbles(int number);
void drawInstructions(QPainter *painter);
//! [1]
void extrude(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);
void normalizeAngle(int *angle);
void quad(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2,
GLdouble x3, GLdouble y3, GLdouble x4, GLdouble y4);
void setupViewport(int width, int height);
GLuint object;
int xRot;
int yRot;
int zRot;
QPoint lastPos;
QColor qtGreen;
QColor qtPurple;
//! [4]
QList<Bubble*> bubbles;
QTimer animationTimer;
};
//! [4]
#endif
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