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|
% lkligtbl.mf
%
%% Cyrillic font container with T2 encoding beta-support
%
% This file is future part of lxfonts package
% Version 3.4 // Patchlevel=0
% (c) A.Berdnikov
%
% This package belongs to the public domain under conditions similar to
% those of D. E. Knuth specified for the Computer Modern family of fonts.
% In particular, only the authors are entitled to modify this file
% and to save it under the same name.
%
% Content:
%
% Macro definitions for lig & kern data
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
LHver_check(3,4); % like |version_check| in ec
if known loaded_lgligtbl: endinput; fi
loaded_lgligtbl:=1; % if known this file has been loaded
%if unknown loaded_lgerrors:
% index:=0; input lgerrors; % error messages;
%fi
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% %%
%% Procedures which may be used to make the ligtable data %%
%% independent from the particular font coding scheme %%
%% %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if unknown dummy_kern_char:
numeric dummy_kern_char; dummy_kern_char:=0;
fi
boolean debug_ligdata; debug_ligdata:=false;
def beginligtable =
boolean flag_gener, flag_sp, flag_fst;
flag_gener:=false; flag_sp:=false; flag_fst:=true;
def table_data = enddef;
enddef;
vardef labelchar (text chars) =
forsuffixes $=chars:
if (str $) <> "": if known $: if $ > -1:
if flag_sp:
flag_fst:=false;
expandafter def expandafter table_data expandafter =
table_data , $ :
enddef;
else:
expandafter def expandafter table_data expandafter =
table_data $ :
enddef;
fi
flag_gener:=true; flag_sp:=false;
fi fi fi
endfor;
enddef;
vardef setkern @# (text chars)=
if flag_gener:
forsuffixes $=chars:
if (str $) <> "": if known $: if $ > -1:
if flag_sp:
expandafter def expandafter table_data expandafter =
table_data , $ kern @#
enddef;
else:
expandafter def expandafter table_data expandafter =
table_data $ kern @#
enddef;
fi
flag_sp:=true;
fi fi fi
endfor;
fi;
enddef;
vardef setlig(suffix charA, charB) =
if flag_gener:
if (known charA) and (known charB):
if (charA > -1) and (charB > -1):
if flag_sp:
expandafter def expandafter table_data expandafter =
table_data , charA =: charB
enddef;
else:
expandafter def expandafter table_data expandafter =
table_data charA =: charB
enddef;
fi;
flag_sp:=true;
fi fi;
fi;
enddef;
vardef endligtable=
if debug_ligdata: showtoken table_data; fi
if flag_gener:
if not flag_sp:
if not flag_fst:
message ("Something is wrong in ligtable:");
showtoken table_data;
message ("Dummy kerning with char "
& (decimal dummy_kern_char) & " is inserted");
expandafter def expandafter table_data expandafter =
table_data dummy_kern_char kern 0
enddef;
ligtable table_data;
fi
else:
ligtable table_data;
fi;
fi;
def table_data = enddef;
enddef;
vardef liggroup @# (text chars)=
def @# = enddef;
forsuffixes $=chars:
if (str $) <> "": if known $: if $ > -1:
expandafter def expandafter @# expandafter =
@# , $
enddef;
fi fi fi
endfor;
if debug_ligdata: showtoken @#; fi
enddef;
endinput;
% end-of-file
|
