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Axes.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: Axes.h,v $
 *      $Author: johns $        $Locker:  $             $State: Exp $
 *      $Revision: 1.39 $       $Date: 2011/02/17 21:58:13 $
 *
 ***************************************************************************
 * DESCRIPTION:
 *
 * A Displayable object which consists of a set of axes, which may be
 * drawn anywhere on the screen, at any size.
 *
 ***************************************************************************/
#ifndef AXES_H
#define AXES_H

#include "Displayable.h"
#include "DispCmds.h"


class Axes : public Displayable {
public:
  enum AxesPos { NO_AXES = 0, AXES_ORIGIN, AXES_LOWERLEFT, 
        AXES_LOWERRIGHT, AXES_UPPERLEFT, AXES_UPPERRIGHT, AXESPOS_TOTAL };

private:
  DisplayDevice *disp;

  float origin[3], xLine[3], yLine[3], zLine[3];
  float xLineCap[3], yLineCap[3], zLineCap[3];
  float xText[3], yText[3], zText[3];

  int usecolors[5];        
  int axesPos;             
  float Aspect;            
  int colorCat;            
  int movedAxes;           
  int need_create_cmdlist; 

  // display command objects used to render the axes
  DispCmdBeginRepGeomGroup cmdBeginRepGeomGroup;
  DispCmdSphereRes sphres;
  DispCmdSphereType sphtype;
  DispCmdColorIndex xcol;
  DispCmdCylinder xcyl;
  DispCmdCone xcap;
  DispCmdSphere sph;
  DispCmdText txt;
  DispCmdPickPoint pickPoint;
  DispCmdComment cmdCommentX;

  void create_cmdlist(void);

protected:
  virtual void do_color_changed(int);

public:
  Axes(DisplayDevice *, Displayable *);
  virtual ~Axes(void);

  int location(int);                           
  int location(void) { return axesPos; }       
  char *loc_description(int);                  
  int locations(void){ return AXESPOS_TOTAL; } 

  //
  // public virtual routines
  //
  
  virtual void prepare();

  virtual void pick_move(PickMode *, DisplayDevice *, int, int, const float *);
};

#endif

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