viewer.h

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#ifndef GCOP_VIEWER_H
#define GCOP_VIEWER_H

#include <stdlib.h>
#include <GL/glut.h>
#include <map>
#include "view.h"

namespace gcop {


class Viewer {
 public:
  Viewer();
  virtual ~Viewer();

  void Init(int* argc, char** argv);

  void Start();

  void Add(View& view);

  void Remove(View& view);


  void RenderViews();

  void DrawOrigin(GLUquadricObj *qobj = 0);

  static void DrawFrame(GLUquadricObj *qobj = 0);

  static void DrawArrow(double l = 1.0, GLUquadricObj *qobj = 0);

  static void DrawArrow(const double v[3], GLUquadricObj *qobj = 0);


  static void DrawText(const char *str, float size = .2);

  void DrawAll();

  void SetColor(const float rgb[3]);

  float sphi;
  float stheta;
  float sx, sy, sz;
  float zNear;
  float zFar;
  float aspect;
  float xcam;
  float ycam;
  int width;
  int height;

  float os; 

  float rgb[3]; 

  void Reshape(int width, int height); 
  void Render();
  void Keyboard(unsigned char ch, int x, int y);
  void Mouse(int button, int state, int x, int y);
  void Motion(int x, int y);

  void SaveImage(const char* name = 0);

  static GLuint LoadTexture(const char * fname, int wrap = true);

  static void DrawCircle(double x = 0, double y = 0, double r = 1, int slices = 20);
  
  int window;
 protected:

  int downX;
  int downY;
  int leftButton;
  int middleButton;
  int rightButton;

  pthread_mutex_t mut;
  
  std::map<int, View*> views;

  GLUquadricObj *aqobj;

 public:
  bool animate;                 
  double animDelay;             

  bool saveFrames;              
  const char* frameName;        

  bool saveDisplay;             
  const char* displayName;      
  int displayNo;                

  bool saveSnapshot;            

  bool altLight;

  static void Cylinder(const double xa[3], const double xb[3], 
                       double r, int sd);
    
  void SetCamera(float sphi, float stheta,
                 float sx, float sy, float sz);

  void SetCamera(const float params[5]);


  static void SetColor (float r, float g, float b, float alpha = 0);  

  static void SetMaterial( GLfloat ambientR, GLfloat ambientG, GLfloat ambientB, 
                           GLfloat diffuseR, GLfloat diffuseG, GLfloat diffuseB, 
                           GLfloat specularR, GLfloat specularG, GLfloat specularB,
                           GLfloat shininess );
    
  static Viewer* instance;

 protected:
  unsigned char *rgbimg;    
  unsigned char *ppmimg;    
};

}
#endif