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WavefrontDisplayDevice.h

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/***************************************************************************
 *cr
 *cr            (C) Copyright 1995-2019 The Board of Trustees of the
 *cr                        University of Illinois
 *cr                         All Rights Reserved
 *cr
 ***************************************************************************/
/***************************************************************************
 * RCS INFORMATION:
 *
 *      $RCSfile: WavefrontDisplayDevice.h,v $
 *      $Author: johns $        $Locker:  $             $State: Exp $
 *      $Revision: 1.18 $       $Date: 2020/07/01 06:09:05 $
 *
 ***************************************************************************/
#ifndef WavefrontDISPLAYDEVICE
#define WavefrontDISPLAYDEVICE

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

class WavefrontDisplayDevice : public FileRenderer {
private:
  FILE *mtlfile;     
  char *mtlfilename; 
  int oldColorIndex;
  int oldMaterialIndex;
  int oldMaterialState;
  void write_material_block(void);        
  void write_cindexmaterial(int, int);    
  void write_colormaterial(float *, int); 

protected:
  void beginrepgeomgroup(const char *);
  void comment(const char *);
  void line(float *xyz1, float *xyz2);
  void point(float *xyz);
  void triangle(const float *, const float *, const float *,
                const float *, const float *, const float *);
  virtual void trimesh_c4n3v3(int numverts, float * cnv, 
                              int numfacets, int * facets);
  virtual void trimesh_c4u_n3b_v3f(unsigned char *c, signed char *n,
                                   float *v, int numfacets);
  virtual void tristrip(int numverts, const float * cnv,
                        int numstrips, const int *vertsperstrip,
                        const int *facets);

public:
  WavefrontDisplayDevice(void);            // constructor
  virtual ~WavefrontDisplayDevice(void);   // destructor
  virtual int open_file(const char *filename);
  virtual void close_file(void);
  void write_header (void);
  void write_trailer(void);
};

#endif

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