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PSDisplayDevice.h

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

/***************************************************************************
 * RCS INFORMATION:
 *
 *      $RCSfile: PSDisplayDevice.h,v $
 *      $Author: johns $       $Locker:  $             $State: Exp $
 *      $Revision: 1.38 $       $Date: 2010/12/16 04:08:29 $
 *
 ***************************************************************************
 * DESCRIPTION:
 *
 *   Save the image to a Postscript file.
 *
 ***************************************************************************/

#ifndef PSDISPLAYDEVICE_H
#define PSDISPLAYDEVICE_h

#include <stdio.h>
#include "DepthSortObj.h"
#include "DispCmds.h"
#include "FileRenderer.h"
#include "SortableArray.h"

class PSDisplayDevice : public FileRenderer {
private:
   SortableArray <DepthSortObject> depth_list;
   float scaledEyePos[3];
   float x_scale, y_scale;
   float x_offset, y_offset;

   int memerror;

   void process_depth_list(void);

   void set_sphere_res(int res);



   void sphere_approx(float *c, float r);
   void cylinder_approx(float *a, float *b, float r, int res, int filled);
   void cone_approx(float *a, float *b, float r);
   void decompose_mesh(DispCmdTriMesh *mesh);
   void decompose_tristrip(DispCmdTriStrips *strip);

   inline float compute_dist(float *c);
   float compute_light(float *a, float *b, float *c);
   float norm_light[3];



   int sph_iter;
   int sph_desired_iter;
   int sph_nverts;
   float *sph_verts;


   long memusage;
   long points;
   long objects;

protected:
   virtual void comment(const char *s);

public:
   PSDisplayDevice(void);
   ~PSDisplayDevice(void);
   virtual void write_header(void);
   virtual void write_trailer(void);

   virtual void render(const VMDDisplayList *display_list);
   virtual void render_done(void);
};

#endif

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