Table of Contents
Advertisement
The following commands provide a general method for
font downloading.
G.3
Font Downloading Commands
The general procedure for downloading a font comprises
the following steps:
1. Establish the ID for the font about to be downloaded
by the
Font ID
command;
2.
Specify the font characteristics via the
Font Header
command; and
3. Download the bit images for the characters to occupy
the desired locations in the ASCII table, using the
Character Code
and
Download Character
commands.
I
<ESC»snl W<n2\
Font
Header
This command is used to describe the characteristics of the
\
font about to be downloaded by a sequence of
Download
Character
commands. This header information includes
font characteristics similar to those described in the
Font
Definition
chapter, plus additional information unique to
downloaded fonts.
A valid
Font Header
command causes the existing font with
the current ID (if any) to be deleted. Invalid commands
leave the existing font untouched.
The font header contains 26 bytes of information, orga-
nized as shown in the following table:
H-36
HP Emulation Mode
Advertisement
Table of Contents
