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% This is an auxiliary file which prepares reading a CM
% parametric file using method of
% Bogus\l{}aw Jackowski \& Marek Ry\'cko
% ---------------------------------------------------------------------------
% Copyright (C) 1991--1998   Petr Novak <Petr.Novak@internet.cz>
%                            Karel Horak <horakk@cesnet.cz>
%                            Ladislav Lhotka <lhotka@jcu.cz>
%                            Petr Olsak <olsak@math.feld.cvut.cz>                      
% 
%  The files included in this directory are the METAFONT sources 
%  for CSfonts. It is free software; you can redistribute it and/or 
%  modify it under the terms of the GNU General Public License as 
%  published by the Free Software Foundation; either version 2 of 
%  the License, or (at your option) any later version.
%
%  This program 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 General Public License for more details.
%
%  You should have received a copy of the GNU General Public License
%  along with this program; if not, write to the Free Software
%  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

if unknown cmbase: input cmbase fi

% the following codes correspond to the ISO-Latin2
numeric lowc[];
cs_shift = 0; cs_uc = -32;
%
for $=225,232,239,236,224,252,237,249,229,197,246,242,243,244,228,248,
     185,187,250,233,253,190,184:  lowc[$+cs_uc]=$+cs_shift;
endfor
lowc[165]:=181;
lowc[169]:=185;
lowc[171]:=187;
lowc[174]:=190;
%
      cs_aa =225+cs_shift; cs_AA=cs_aa+cs_uc;
      cs_cz =232+cs_shift; cs_CZ=cs_cz+cs_uc;
      cs_dj =239+cs_shift; cs_DJ=cs_dj+cs_uc;
      cs_ie =236+cs_shift; cs_IE=cs_ie+cs_uc;
      cs_rr =224+cs_shift; cs_RR=cs_rr+cs_uc;
      cs_ue =252+cs_shift; cs_UE=cs_ue+cs_uc;
      cs_ii =237+cs_shift; cs_II=cs_ii+cs_uc;
      cs_ou =249+cs_shift; cs_OU=cs_ou+cs_uc;
      cs_ll =229+cs_shift; cs_LL=cs_ll+cs_uc;
      cs_lj =181;          cs_LJ=165;
      cs_oe =246+cs_shift; cs_OE=cs_oe+cs_uc;
      cs_nj =242+cs_shift; cs_NJ=cs_nj+cs_uc;
      cs_oo =243+cs_shift; cs_OO=cs_oo+cs_uc;
      cs_uo =244+cs_shift; cs_UO=cs_uo+cs_uc;
      cs_ae =228+cs_shift; cs_AE=cs_ae+cs_uc;
      cs_rz =248+cs_shift; cs_RZ=cs_rz+cs_uc;
      cs_sh =185+cs_shift; cs_SH=169;
      cs_tj =187+cs_shift; cs_TJ=171;
      cs_uu =250+cs_shift; cs_UU=cs_uu+cs_uc;
      cs_ee =233+cs_shift; cs_EE=cs_ee+cs_uc;
      cs_yy =253+cs_shift; cs_YY=cs_yy+cs_uc;
      cs_zh =190+cs_shift; cs_ZH=174;
      cs_ax =184+cs_shift; cs_AX=cs_ax+cs_uc;
% additional characters

 single_opening_quote:=240; % ,
 single_closing_quote:=241; % `
 opening_quotes:=254;       % ,,
 closing_quotes:=255;       % ``
 french_opening_quotes:=158; % <<
 french_closing_quotes:=159; % >>
 oneperthousand:=141; %.
 ogonek:=157;
 cs_hyph = 156;  %% ^^c4(ý) ýý> ^^9c in *.tcp is recommended

%
% % the following codes correspond to the Cork scheme
% numeric lowc[];
% cs_shift = 128; cs_uc = -32;
%
% for $=97,66,35,36,37,47,71,124,109,55,40,41,118,44,115,116,100,48,50,
%     52,122,86,105,88,125,58: lowc[$+cs_shift+cs_uc]=$+cs_shift;
% endfor
%
% cs_aa = 97+cs_shift; cs_AA=cs_aa+cs_uc;
% cs_qb = 66+cs_shift;%
% cs_cz = 35+cs_shift; cs_CZ=cs_cz+cs_uc;
% cs_dj = 36+cs_shift; cs_DJ=cs_dj+cs_uc;
% cs_ie = 37+cs_shift; cs_IE=cs_ie+cs_uc;
% cs_rr = 47+cs_shift; cs_RR=cs_rr+cs_uc;
% cs_qg = 71+cs_shift;%
% cs_ue = 124+cs_shift; cs_UE=cs_ue+cs_uc;
% cs_ii = 109+cs_shift; cs_II=cs_ii+cs_uc;
% cs_ou = 55+cs_shift; cs_OU=cs_ou+cs_uc;
% cs_ll = 40+cs_shift; cs_LL=cs_ll+cs_uc;
% cs_lj = 41+cs_shift; cs_LJ=cs_lj+cs_uc;
% cs_oe = 118+cs_shift; cs_OE=cs_oe+cs_uc;
% cs_nj = 44+cs_shift; cs_NJ=cs_nj+cs_uc;
% cs_oo = 115+cs_shift; cs_OO=cs_oo+cs_uc;
% cs_uo = 116+cs_shift; cs_UO=cs_uo+cs_uc;
% cs_ae = 100+cs_shift; cs_AE=cs_ae+cs_uc;
% cs_rz = 48+cs_shift; cs_RZ=cs_rz+cs_uc;
% cs_sh = 50+cs_shift; cs_SH=cs_sh+cs_uc;
% cs_tj = 52+cs_shift; cs_TJ=cs_tj+cs_uc;
% cs_uu = 122+cs_shift; cs_UU=cs_uu+cs_uc;
% cs_qv = 86+cs_shift;%
% cs_ee = 105+cs_shift; cs_EE=cs_ee+cs_uc;
% cs_ax = 88+cs_shift; cs_AX=cs_ax+cs_uc;
% cs_yy = 125+cs_shift; cs_YY=cs_yy+cs_uc;
% cs_zh = 58+cs_shift;  cs_ZH=cs_zh+cs_uc;

% % additional characters

% single_opening_quote:=240; % ,
% single_closing_quote:=241; % `
% opening_quotes:=254;       % ,,
% closing_quotes:=255;       % ``
% french_opening_quotes:=248; % <<
% french_closing_quotes:=249; % >>
% oneperthousand:=141; %.
% ogonek:=157;
% cs_hyph = 156;  %% ^^c4(ý) ýý> ^^9c in *.tcp is recommended


if unknown improve_kerns: boolean improve_kerns; improve_kerns=true; fi;

% redefinition of generate
% ---------------------------------------------------------------------------

string driver_name,ss; numeric ii;

vardef generate @# = driver_name:=str @#; endgroup enddef;

vardef use_driver @# =
% |@#| is either empty or equals to the pt-size of the driver
 if unknown param_base:
% in sophisticated applications a user may wish to specify
% |param_base| prior to calling |use_driver|:
  string param_base; param_base=jobname;
  string new_param_b;
  if (substring(0,2) of param_base) = "cs":
    new_param_b := "cm"&substring(2,8) of param_base;
  elseif (substring(1,3) of param_base) = "cs":
    new_param_b := substring(0,1) of param_base&"cm"&
                   substring(3,8) of param_base;
  elseif (substring(2,4) of param_base) = "cs":
   new_param_b := substring(0,2) of param_base&"cm"&
                  substring(4,8) of param_base;
  fi;
  param_base := new_param_b;
 fi
 ii:=0;
 forever:
  ii:=ii+1;
  ss:=substring(length(param_base)-ii,length(param_base)-ii+1) of param_base;
  exitif (ss<"0") or (ss>"9");
 endfor;
 ii:=ii-1;
 if str@# <> "":
  numeric scale;
  scale=scantokens(
   substring(length(param_base)-ii,length(param_base)) of param_base)/@#;
  numeric true_pt#; true_pt#=pt#; pt#:=scale*true_pt#;
% |ogonek_pen#| is the only sharp extra PL parameter; it must be treated
% differently:
% if known ogonek_pen#: ogonek_pen#:=scale*ogonek_pen#; fi
  scantokens(
   "input "&(substring(0,length(param_base)-ii) of param_base)&str @#);
  pt#:=true_pt#;
 else:
  scantokens("input "&param_base);
 fi
 font_identifier:=substring(0,length(param_base)-ii) of param_base;
 scantokens("input "&
 if driver_name="roman": "kmroman"
  elseif driver_name="sroman": "kmroman"
  elseif driver_name="textit": "kmtextit"
  elseif driver_name="csc": "kmcsc"
  elseif driver_name="texset": "kmtexset"
  elseif driver_name="title": "kmtitle"
  else: driver_name fi);
enddef;

% The proportion of |vair/stem| depends drastically on resolution;
% e.g., for 300 dpi cmbx10 |vair=1| and |stem=5|, for 746 dpi cmbx10
% (300 dpi, magstep 5) |vair=4| and |stem=12|, while, sharply speaking,
% |stem#/vair#=3.15381|; hence a new variable |xvair| has been introduced
% to be used in some crucial places instead of |vair|.
vardef xvair = stem*vair#/stem# enddef;

%%% italcorr corrital
% correction of italic correction (cf. D. E. Knuth, The \MF{}book, p. 105):
vardef corrital z suffix $ =
% |z$| is the rightmost position of a pen (in accent path)
 if not monospace:
  save charic_; charic_=(rt(x$)-r)/hppp+slant*y$/vppp+.5u#;
  if charic_>charic: charic:=charic_; fi
%| else: %| |charic=mono_charic#|, do nothing
 fi
enddef;

endinput;
%%\end