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/* INCLUDE: Snip.h                                                      */
/*                                                                      */
/* MM/YY/DD NAME.......... MODIFICATION................................ */
/*                                                                      */
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/*   Copyright (C) 1987 by John A. Hodgson, Santa Monica, California.   */
/*   All rights reserved.                                               */
/*                                                                      */
/*   This code contains valuable trade secrets belonging to John A.     */
/*   Hodgson.  It should be considered highly confidential and should   */
/*   be stored in a secure place to avoid unauthorized scrutiny.        */
/*   This material shall not be distributed or shown to ANYONE without  */
/*   the express WRITTEN permission of John A. Hodgson and in that      */
/*   event shall only be shown or distributed to persons named in       */
/*   such written permission.                                           */
/*                                                                      */
/*   This notice shall not be altered or removed under any              */
/*   circumstances.                                                     */
/*----------------------------------------------------------------------*/

      /* Structure for each display window */
   struct Disp {
      struct Window  *Window;    /* Ptr to the Window.                  */
      FLOAT          high;       /* Maximum data value in Window.       */
      FLOAT          low;        /* Minimum data value in Window.       */
      FLOAT          range;      /* Range of data values in Window.     */
      FLOAT          xscale;     /* Scaling factor data multiplied by   */
                                 /* to fit it to the dimensions of the  */
                                 /* Window's inner window x axis.       */
      FLOAT          yscale;     /* Scaling factor data multiplied by to*/
                                 /* to fit it to the dimensions of the  */
                                 /* Window's inner window y axis.       */
      LONG           firstx;     /* Maximum number of points in the     */
                                 /* window's largest channel.           */
      LONG           nx;         /* # of data values displayed in Window*/
      SHORT          fn;         /* Function Window type, see Record    */
                                 /* Type constants below.               */
      BOOL           BoxDrawn;   /* A switch to indicate a drawbox      */
                                 /* is in progress between Wait         */
                                 /* messages.                           */
                                 /* TRUE: A DrawBox operation is in     */
                                 /* progress. The switch is cancelled   */
                                 /* if the message following the        */
                                 /* drawbox is anything other than a    */
                                 /* SELECTDOWN in the box.              */
      SHORT          BoxX1;      /* Upper left x coor. of above box.    */
      SHORT          BoxY1;      /* Upper left y coor. of above box.    */
      SHORT          BoxX2;      /* Lower right x coor. of above box.   */
      SHORT          BoxY2;      /* Lower right y coor. of above box.   */
      SHORT          Chan;       /* Element number of Dat array struct. */
                                 /* discribing 1st. channel of data     */
                                 /* displayed in Window.  Structure(s)  */
                                 /* discrib. additional channels of data*/
                                 /* follow contiguously in Dat array.   */
      LONG           DrawAreaX1; /* Upper left x coor. of inner window. */
      LONG           DrawAreaY1; /* Upper left y coor. of inner window. */
      LONG           DrawAreaX2; /* Lower right x coor. of inner window.*/
      LONG           DrawAreaY2; /* Lower right y coor. of inner window.*/
      SHORT          AvNo;       /* Number of data values in average.   */
      SHORT          ScXDat;     /* Element number of Dat array struct. */
                                 /* scatter plot x axis data.           */
      SHORT          ScYDat;     /* Element number of Dat array struct. */
                                 /* scatter plot y axis data.           */
      FLOAT          ScXhigh;    /* Highest value on x axis of data.    */
      FLOAT          ScXlow;     /* Highest value on x axis of data.    */
      LONG           ScXfirstx;  /* data[#] of start of x axis data     */
                                 /* displayed in scatter plot Window.   */
      LONG           ScYfirstx;  /* data[#] of start of y axis data     */
                                 /* displayed in scatter plot Window.   */
      char           title[30];  /* Window title.                       */
      APTR           UserData;   /* General purpose user data.          */
   };
/*TOP*/
      /* Structure for describing each channel of data */
   struct Dat {
      LONG  Points;  /* Channel's number of data values.                */
      SHORT Type;    /* Record type, see Record Type const. below.      */
      FLOAT high;    /* Channel's maximum data value.                   */
      FLOAT low;     /* Channel's minimum data value.                   */
      FLOAT range;   /* Channel's range of data values.                 */
      FLOAT Yscale;  /* Scaling factor to size the channel's data to    */
                     /* the dimensions of the inner window.             */
      LONG  YOffset; /* Window 0 ONLY: An offset from the top of the    */
                     /* added to the y axis for each channel of data.   */
      FLOAT *Ptr;    /* Ptr to a channel of data.                       */
   };

   struct DMsg {                /* message for intertask communication     */
      struct Message    Msg;    /* standard message structure              */
      struct Disp      **Disp;  /* pointer to window parameters.           */
      struct Dat       **Dat;   /* pointer to data parameters.             */
      SHORT             WN,     /* Window number (& Disp struct) selected  */
                        PrevWN, /* previous window (& Disp) selected       */
                        ChNo,   /* previous (or Window 0) channel selected */
                        Chans,  /* Total no of channels containing data    */
                        DChans, /* Number of channels in data display      */
                        RChans; /* Number of channels in Results section   */
      LONG              Mark;   /* Array location of last cursor position  */
      FLOAT             base;   /* Value in location Mark                  */
      SHORT             LastWin; /* Last window opened                     */
   };


      /* Record types for Disp[W]->fn & Dat[W]->Type */
   #define RAW_DATA   0
   #define AVERAGE    1
   #define SCATTER    2
   #define JOINT_PROB 3
   #define MATH_DATA  4

/* EOF Snip.h */