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POV3DisplayDevice.h

Go to the documentation of this file.

/***************************************************************************
 *cr                                                                       
 *cr            (C) Copyright 1995-2011 The Board of Trustees of the           
 *cr                        University of Illinois                       
 *cr                         All Rights Reserved                        
 *cr                                                                   
 ***************************************************************************/

/***************************************************************************
 * RCS INFORMATION:
 *
 *      $RCSfile: POV3DisplayDevice.h,v $
 *      $Author: johns $        $Locker:  $             $State: Exp $
 *      $Revision: 1.44 $       $Date: 2011/12/04 22:19:00 $
 *
 ***************************************************************************
 * DESCRIPTION:
 *   Version 3 of the Persistence Of Vision raytracer
 *
 ***************************************************************************/

#ifndef POV3DISPLAYDEVICE
#define POV3DISPLAYDEVICE

#include <stdio.h>
#include "FileRenderer.h"

// #define POV_FILTERED_TRANSPARENCY
//
// To use POV-Ray's filtered transparency (where rays passing through
// transparent objects are 'tinted' the color of the transparent
// object) uncomment the above line.
//
// Otherwise, unfiltered transparency is used (no tinting). NOTE
// THAT UNFILTERED TRANSPARENCY IS ONLY AVAILABLE IN POV-RAY v. 3
// AND ABOVE

class POV3DisplayDevice : public FileRenderer {
private:
  int old_materialIndex;    
  int clip_on[3];           
  int degenerate_cones;     
  int degenerate_cylinders; 
  int degenerate_triangles; 

  void reset_vars(void);    
  void write_materials(void);

protected:
  // assorted graphics functions
  void comment(const char *);
  void cone(float * a, float * b, float rad); 
  void cylinder(float *, float *, float rad, int filled);
  void line(float *xyz1, float *xyz2);
  void point(float *xyz);
  void sphere(float *xyzr);
  void text(float *pos, float size, float thickness, const char *str);
  void triangle(const float *, const float *, const float *,
                const float *, const float *, const float *);
  void tricolor(const float * xyz1, const float * xyz2, const float * xyz3,
                const float * n1,   const float * n2,   const float * n3,
                const float *c1,    const float *c2,    const float *c3);
  virtual void trimesh_c4n3v3(int numverts, float *cnv, 
                              int numfacets, int *facets);
  void tristrip(int numverts, const float *cnv, int numstrips, 
                const int *vertsperstrip, const int *facets);

  void set_line_width(int new_width);
  void start_clipgroup(void);
  void end_clipgroup(void);

public: 
  POV3DisplayDevice(void);
  virtual ~POV3DisplayDevice(void);
  void write_header(void); 
  void write_trailer(void);
}; 

#endif

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