Series 300 and 500 Only

NAME

fm_fontdir − set character direction

SYNOPSIS

int fm_fontdir(gfd,direction);
int gfd, direction;

DESCRIPTION

gfd is an integer file descriptor for an gopened device interface. 

direction
Direction for character printing, valid values are:

’u’-write characters upward
’d’-write characters downward
’l’-write characters to the left
’r’-write characters to the right

DISCUSSION

Sets the character printing direction as defined by direction.  This write direction remains in effect until a different font is activated. 

HARDWARE DEPENDENCIES

Series 500:
Font manager routines do not support HP-15 (2-byte) fonts on Series 500.

SEE ALSO

fm_write(3W). 

DIAGNOSTICS

Returns -1 if gfd is not valid or direction is out of range; otherwise, 0 is returned.  See errno(2) for more information.

Hewlett-Packard Company  —  May 11, 2021