#ifndef __anatdia_h
#define __anatdia_h

#include "graph.h"
#include "ebsclass.h"

#undef DEBUG

class AnatomicalDiagram {

 private:
  unsigned int get_opcode (void);
  int get_int16 (void);
  char get_int8 (void);

 public:
  enum cgm_context {
    CGM_BACKGROUND_CONTEXT, CGM_FOREGROUND_CONTEXT, CGM_XOR_CONTEXT,
    CGM_LINE_CONTEXT, CGM_EDGE_CONTEXT, CGM_FILL_CONTEXT,
    CGM_TEXT_CONTEXT, CGM_SYMBOL_CONTEXT, CGM_MARKER_CONTEXT, 
    CGM_ENDCONTEXTS};

  struct arcctrdat {
    GWindow::GPoint center;
    short dx_start,
          dy_start,
          dx_end,
          dy_end,
          radius,
          close;
  };

  struct colortabchange {
    int start,
        end,
        *value;
  };

  struct cgm_gpe {
    int	type;		      /* graphical primitve element type */
    int arg_len;	      /* length of argument */
    void *arg;		      /* ptr to arguments */
    struct cgm_gpe *next_gpe; /* ptr to graphical primitive element */
  };

  struct cgm_picture {
    char	             *name;
    int min_x, min_y, max_x, max_y;    /* values of VDC EXTENT */
    int background;
    GWindow::GColor *cgm_color;
    struct cgm_gpe *first_gpe;         /* ptr to graphical primitive element */
    struct cgm_picture *next_picture;
    int ncgm_colors,
        maxcolorindex,
        initcolormode;
  };

  struct Location {
    unsigned int chn_number, pic_number;
    int	x1, y1, x2, y2;
    int marked;
  };
  
  typedef char *(*GetChannelLabelProc) (Location *loc);
  char **chn_label;
  
  char *name;
  int	version;
  
  struct cgm_picture *first_picture;
  struct cgm_picture *pic;		/* ptr to current picture */
  int npictures;
  int actpic;
  int colrprec;
  
  int cgm_linecolor, cgm_edgecolor, cgm_fillcolor, cgm_markercolor;
  int cgm_textcolor, cgm_symbolcolor, cgm_backgroundcolor;
  
  int width, height;
  int xoffset, yoffset;
  float factor;
  
  char *content;
  unsigned long content_length;
  
  int background;
  
  Location *location;
  int nlocations;
  
  int actlocation;
  
  GetChannelLabelProc labelproc;

  GWindow::GGC gc [CGM_ENDCONTEXTS];
  GWindow *win;

  EBSFile *ebsfile;

  void Error (void);

  void CalcFactor (void);
  virtual void DrawLocations (void);

  void RewindCGMMetafile (void *ptr, unsigned long length);
  void ReadCGMPictureBody (cgm_picture *picture);
  void ReadCGMPicture (cgm_picture *picture);
  
  void ReadCGMMetafile (EBSFile::LocationDiagram *ptr);
  void DeleteCGMMetafile (void);
  void GetCGMMetafile (void **pptr, unsigned long *len);

  void ReadChannelLocations (EBSFile::ChannelLocations *chn, 
			     int nchans);
  void GetChannelLocations (Location **loc, unsigned long *no);
  void DeleteChannelLocations (void);

  int VDC2X_X (int x);
  int VDC2X_Y (int y);
  int X2VDC_X (int x);
  int X2VDC_Y (int y);
  int InSubwindowVDC (int x, int y);
  int InSubwindowX (int x, int y);

 public:
  enum {COORD_UNDEFINED= 0x80000000};
  
  enum channel_type {none, big_rectangle, small_circle, only_label};
  
  AnatomicalDiagram (GWindow *win, EBSFile *ebsfile,
		     enum channel_type channel_dot= small_circle,
		     GetChannelLabelProc labelproc = (GetChannelLabelProc) 0);
  virtual ~AnatomicalDiagram (void);

  virtual void Repaint (void);

  int GetNPictures (void);
  int GetCurrentPicture (void);   /* -1: no current picture,            */
                                  /* picturenumbers range from 0..(n-1) */
  void SetPicture (int no);       /* -1 means repaint current picture,  */
                                  /* picturenumbers range from 0..(n-1) */

  char *GetPictureName (void);
  void SetEBSFile(EBSFile *ebsfile);

 protected:
  enum channel_type channel_dot;

 private:
    void DoRepaint (void) {Repaint ();};
};

#endif