date and time created 85/01/02 20:29:37 by jak

[unix-history] / usr / src / lib / libplot / hp7221 / linemod.c

#ifndef lint
static char sccsid[] = "@(#)linemod.c   4.1 (Berkeley) %G%";
#endif

#include "hp7221.h"

linemod( line )
char    *line;
{
       /*
        * Note that the bit patterns could be compacted using the
        *  repeat field conventions.  They aren't for clarity.
        *  Examples of almost identical packed patterns are in the
        *  comments.
        *  If linemod is changed really often, a ~15% savings
        *  could be achieved.
        */
       if ( *(line) == 's' ) {
               if ( *(++line) == 'o' ) {
                       /*
                        * solid mode 1
                        */
                       printf( "vA" );
                       return;
               }
               else if ( *(line) == 'h' ) {
                       /*
                        * shortdashed mode 4
                        */
                       printf( "vD" );
                       return;
               }
       }
       else if ( *(line) == 'd' ) {
               if ( *(++line) == 'o' && *(++line) == 't' ) {
                       if ( *(++line) == 't' ) {
                               /*
                                * dotted mode 2
                                *  printf( "W(P00001)" );
                                */
                               printf( "vB" );
                               return;
                       }
                       else if ( *(line) == 'd' ) {
                               /*
                                * dotdashed mode 3
                                *  printf( "W(P0110010)" );
                                */
                               printf( "vC" );
                               return;
                       }
               }
       }
       else if ( *(line) == 'l' ) {
               /*
                * longdashed mode 5
                *  printf( "W(P11100)" );
                */
               printf( "vE" );
               return;
       }
       printf( "vA" );
       return;
}