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% omchar.ch: Primitives to access the components of font metric files.
%
% This file is part of the Omega project, which
% is based on the web2c distribution of TeX.
%
% Copyright (c) 1994--2000 John Plaice and Yannis Haralambous
%
% This library is free software; you can redistribute it and/or
% modify it under the terms of the GNU Library General Public
% License as published by the Free Software Foundation; either
% version 2 of the License, or (at your option) any later version.
%
% This library is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
% Library General Public License for more details.
%
% You should have received a copy of the GNU Library General Public
% License along with this library; if not, write to the Free Software
% Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
%
%---------------------------------------
@x [26] m.416 l.8407 - Omega char dimensions
primitive("dp",set_box_dimen,depth_offset);
@!@:dp_}{\.{\\dp} primitive@>
@y
primitive("dp",set_box_dimen,depth_offset);
@!@:dp_}{\.{\\dp} primitive@>
primitive("charwd",set_box_dimen,(width_offset+3));
@!@:charwd_}{\.{\\charwd} primitive@>
primitive("charht",set_box_dimen,(height_offset+3));
@!@:charht_}{\.{\\charht} primitive@>
primitive("chardp",set_box_dimen,(depth_offset+3));
@!@:chardp_}{\.{\\chardp} primitive@>
primitive("charit",set_box_dimen,(depth_offset+4));
@!@:charit_}{\.{\\charit} primitive@>
@z
%---------------------------------------
@x [26] m.416 l.8425 - Omega char dimensions
set_box_dimen: if chr_code=width_offset then print_esc("wd")
else if chr_code=height_offset then print_esc("ht")
else print_esc("dp");
@y
set_box_dimen: if chr_code=width_offset then print_esc("wd")
else if chr_code=height_offset then print_esc("ht")
else if chr_code=depth_offset then print_esc("dp")
else if chr_code=(width_offset+3) then print_esc("charwd")
else if chr_code=(height_offset+3) then print_esc("charht")
else if chr_code=(depth_offset+3) then print_esc("chardp")
else print_esc("charit");
@z
%---------------------------------------
@x [26] m.419 l.8461 - Omega char dimensions
begin scan_eight_bit_int;
if box(cur_val)=null then cur_val:=0 @+else cur_val:=mem[box(cur_val)+m].sc;
cur_val_level:=dimen_val;
end
@y
if m<=3 then
begin
scan_eight_bit_int;
if box(cur_val)=null then cur_val:=0 @+else
cur_val:=mem[box(cur_val)+m].sc;
cur_val_level:=dimen_val;
end
else
begin
scan_char_num;
if m=(width_offset+3) then begin
cur_val:= char_width(main_f)(char_info(main_f)(cur_val))
end
else if m=(height_offset+3) then begin
cur_val:= char_height(main_f)(height_depth(char_info(main_f)(cur_val)))
end
else if m=(depth_offset+3) then begin
cur_val:= char_depth(main_f)(height_depth(char_info(main_f)(cur_val)))
end
else begin
cur_val:= char_italic(main_f)(char_info(main_f)(cur_val));
end;
cur_val_level:=dimen_val;
end
@z
%---------------------------------------
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