#ifndef __graph_ps_h
#define __graph_ps_h

extern "C" {
#include <stdio.h>
}

#include "graph.h"

/* Quote  special ISO-latin1 characters */
char *ISO2PS (char *string);

class PSWindow : public GWindow {
 protected:
  struct PSColor {
    float red, green, blue;
  };

  struct ggc {
    int linewidth;
    int linetype;
    
    int colorindex;
  };
  
  FILE *fout;
  
  int ncolors;
  PSColor *color;
  
  ggc default_context;
  ggc current_context;
  ggc *context;
  int ncontexts;

  void PSLineContext (GGC gc);
  void PSFillContext (GGC gc);

 public:

  PSWindow (FILE *fout= stdout);  /* Constructor */
  virtual ~PSWindow (void);       /* Destructor  */
  
  virtual void PSWriteFunctions (void);

  virtual GGC GCreateGC (void);
  virtual void GClearWindow (void);
  virtual void GDrawImageString (GGC gc, int x, int y, char *string);
  virtual void GDrawString (GGC gc, int x, int y, char *string);
  virtual void GDrawLines (GGC gc, GPoint *a, int len);
  virtual void GFillPolygon (GGC gc, GPoint *a, int len = 0);
  virtual void GFillArc (GGC gc, int x, int y, int w, int h, 
			 int start, int end, int close);
  virtual void GDrawArc (GGC gc, int x, int y, int w, int h, 
                         int start, int end);
  virtual void GSetForeground (GGC gc, int color);
  virtual void GSetColorTable (GColor *colors_in, int ncolors, 
			       int background);
  virtual void GSetLineWidth (GGC gc, int width);
  virtual void GSetLineType (GGC gc, int type);
};


#endif