point3dwidget.h

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/****************************************************************************
**
** Author:  Jaime Valls Miro <jaime.vallsmiro@eng.uts.edu.au>
**          Hue Tuan Thi <huetuan.thi@uts.edu.au>, (C) 2006
**
** This file is part of the S3D Viewer Project
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef POINT3DWIDGET_H
#define POINT3DWIDGET_H

#include <QGLWidget>
#include <GL/glu.h>
#include <QMainWindow>
#include "filereader.h"

class QDragEnterEvent;
class QDropEvent;

const float SIZE = 1.0f; 
const int INIT_X = 0;    
const int INIT_Y = 0;    
const int INIT_Z = 0;    

const float BR = 0.7;    
const float BG = 0.7;    
const float BB = 0.7;    

const float POINT_SIZE = 1.0; 

class Point3dWidget : public QGLWidget
{
    Q_OBJECT

public:
    Point3dWidget(QWidget *parent = 0);    
    ~Point3dWidget();                      

    int xRotation() const { return xRot; } 
    int yRotation() const { return yRot; } 
    int zRotation() const { return zRot; } 
    void updateFile( FileReader *fd);      
    void setDrawAble(bool status);         

    QColor bColor;                         
    QColor pointColor;                     

    void initCamera();                     
    bool cameraEnable;                     
    bool bounding;                         
    bool movingClear;                      
    bool pointDrawn;                       
    int cubeWidth;                         
    bool cubeDrawn;                        
    bool initColor;                        

public slots:
    void setXRotation(int angle);          
    void setYRotation(int angle);          
    void setZRotation(int angle);          
    void setMousePoint(int mp);            

signals:
    void xRotationChanged(int angle);      
    void yRotationChanged(int angle);      
    void zRotationChanged(int angle);      
    void cubeWidthChanged(int cw);         

protected:
    void initializeGL();                            
    void paintGL();                                 
    void resizeGL(int width, int height);           
    void mousePressEvent(QMouseEvent *event);       
    void mouseReleaseEvent(QMouseEvent *event);     
    void mouseMoveEvent(QMouseEvent *event);        
    void wheelEvent( QWheelEvent *we);              
    void mouseDoubleClickEvent(QMouseEvent *event); 
    void keyPressEvent(QKeyEvent *event);           

    void dragEnterEvent(QDragEnterEvent *event);
    void dropEvent(QDropEvent *event);
private:
    void normalizeAngle(int *angle);                
    float findMin(int k);                           
    float findMax(int i);                           
    double getColor(int col, int row, int i);       

    float minX, maxX, minY, maxY, minZ, maxZ;       
    float avgX, avgY, avgZ;                         
    float depth;                                    
    int mousePoint;                                 
    int xRot;                                       
    int yRot;                                       
    int zRot;                                       
    bool drawAble;                                  
    bool movingMouse;                               

    QPoint lastPos;                                 
    FileReader *fileReader;                         
    QMainWindow *mainWindow;                        

};

#endif

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