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%%
%% This is file `unibase.mf',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% universa.dtx (with options: `unibase')
%%
%% Copyright (C) 1998 Christian Holm.
%%
%% This file is NOT the source for universal, because almost all
%% comments have been stripped from it. It is NOT the preferred
%% form of universal for making modifications to it.
%%
%% Therefore you can NOT redistribute and/or modify THIS file.
%% You can however redistribute the complete source (universa.dtx
%% and universa.ins) and/or modify it under the terms of the GNU
%% General Public License as published by the Free Software
%% Foundation; either version 2, or (at your option) any later
%% version.
%%
%% The universal font and package 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 package; if not, write to the
%% Free Software Foundation, Inc.,
%% 675 Mass Ave, Cambridge,
%% MA 02139, USA.
%%
%% See the file universa.dtx for further comments and documentation.
%%
unibase := 1 ;
string univer ;
univer = "2.0" ;
if proofing > 1 :
message "Base file for font `universal', version " & univer ;
fi
boolean medium , slant , bold , caps , strict ;
medium := false ; slant := false ; bold := false ;
caps := false ; strict := false ;
font_identifier:="universal";
def start_font(expr size) =
u# := size/18 ;
mode_setup;
x_h# := 8u# ; x_w# := 8u# ; m_w# := 11u# ; l_h# := 13u# ;
p_d# := 5u# ; l_s# := 2u# ; r_s# := 2u# ; A_w# := 10u# ;
M_w# := 14u# ; c_d# := 3u#/2 ; C_d# := 2u# ;
if (medium and bold) :
message "Font can't be both medium and bold, making medium font." ;
medium := true ;
fi;
if medium : p_t# := 2u#/3 ; P_t# := u# ; P_T# := u# ; fi ;
if bold : P_T# := 3u#/2 ; p_t# := 3u#/2 ; P_t# := 2u# ; fi ;
a_h# := x_h#+p_t#/2 ;
if (slant and (caps or strict)) : double_shape := 1 ; fi ;
if (caps and (slant or strict)) : double_shape := 1 ; fi ;
if (strict and (caps or slant)) : double_shape := 1 ; fi ;
if known double_shape :
message "Font cannot be two shapes, doing upright shape." ;
slant := false ; caps := false ; strict := false ;
fi ;
if slant : slantratio := 1/6 ; else: slantratio := 0 ; fi ;
currenttransform := identity slanted slantratio ;
font_x_height 8u# ; font_quad 12u#+2u# ;
font_normal_space 8u# ; font_normal_stretch 3u# ;
font_normal_shrink 2u# ; font_extra_space 2u# ;
font_coding_scheme:="TeX text" ; font_size 18u# ;
spanish_shriek:=hex"3C" ; spanish_query:=hex"3E";
define_pixels(u,x_h,x_w,m_w,l_h,p_d,A_w,M_w,c_d,C_d,a_h);
define_blacker_pixels(p_t,P_t,P_T);
picture e_pic, a_pic ;
do_pens ;
extra_beginchar := extra_beginchar&"fit_font;" ;
extra_endchar := extra_endchar&
"end_fit_font;extra_proof_rules;charcode:=charcode+code_offset;" ;
code_offset := 0 ;
enddef;
def do_pens =
clear_pen_memory ;
pickup pencircle scaled P_T slanted slantratio ;
UniPencir := savepen ;
pickup pencircle scaled p_t slanted slantratio ;
unipencir := savepen ;
pickup pencircle scaled P_t slanted slantratio ;
Unipencir := savepen ;
pickup pensquare scaled P_T slanted slantratio ;
UniPensqu := savepen ;
pickup pensquare scaled p_t slanted slantratio ;
unipensqu := savepen ;
pickup pensquare scaled P_t slanted slantratio ;
Unipensqu := savepen ;
enddef ;
def fit_font =
l := -hround(l_s#*hppp) ; interim xoffset := -l ;
charwd := charwd+l_s#+r_s# ; r := l+hround(charwd*hppp) ;
w := r-hround(r_s#*hppp) ;
italcorr charht*slantratio ;
enddef;
def end_fit_font =
w := r+l ;
enddef;
def extra_proof_rules =
if proofing > 1 :
for xa = l,r,w/2: proofrule((xa,-d), (xa,h)) ; endfor ;
for ya = 0,h/4,h/2,3h/4,h: proofrule((l,ya), (r,ya)) ; endfor ;
if d > 0 :
proofrule((l,-d/2), (r,-d/2)) ;
proofrule((l,-d), (r,-d)) ;
fi
fi
enddef ;
inner bye;
def end_font =
ligtable "u" : "h" kern u# ;
ligtable "f" : "f" kern 0 , "l" kern 0 , "i" kern 0 ;
ligtable "o" : "l" kern u# ;
ligtable "?" : "`" =: spanish_query ;
ligtable "!" : "`" =: spanish_shriek ;
ligtable "`" : "`" kern -l_s#-r_s#+p_t# ;
ligtable "'" : "'" kern -l_s#-r_s#+p_t# ,
"?" kern 2u#, "!" kern 2u# ;
ligtable "-" : "-" =: hex"7B" ;
ligtable hex"7B" : "-" =: hex"7C" ;
ligtable hex"22" : hex"22" kern -l_s#-r_s# ;
ligtable hex"5C" : hex"5C" kern -l_s#-r_s# ;
ligtable hex"20" :
"l" kern -3c_d#*cosd(15)-p_t#*sind(15)-l_s#-r_s# ,
"L" kern -3c_d#*cosd(15)-p_t#*sind(15)-l_s#-r_s# ;
bye
enddef ;
def do_caps(expr offset) =
sc_shrink := x_h#/l_h# ;
P_t# := sc_shrink*P_t# ; l_h# := sc_shrink*l_h# ;
A_w# := sc_shrink*A_w# ; M_w# := sc_shrink*M_w# ;
C_d# := sc_shrink*C_d# ;
code_offset := offset ;
define_pixels(l_h,A_w,M_w,C_d) ;
define_blacker_pixels(P_t) ;
do_pens ;
enddef ;
def end_do_caps =
no_shrink := 1/sc_shrink ;
P_t# := no_shrink*P_t# ; l_h# := no_shrink*l_h# ;
A_w# := no_shrink*A_w# ; M_w# := no_shrink*M_w# ;
C_d# := no_shrink*C_d# ;
code_offset := 0 ;
define_pixels(l_h,A_w,M_w,C_d) ;
define_blacker_pixels(P_t) ;
do_pens ;
enddef ;
def no_adjust=
old_begin_adjust := extra_beginchar ;
old_end_adjust := extra_endchar ;
extra_beginchar := " " ;
extra_endchar :=
"extra_proof_rules;charcode:=charcode+code_offset" ;
enddef;
def restore_adjust=
extra_beginchar := old_begin_adjust ;
extra_endchar := old_end_adjust ;
enddef;
string old_begin_adjust, old_end_adjust ;
def unicir(expr rad, thick, center, m)=
pickup pensquare scaled thick;
top z[m] = (0,rad) + center ; penpos[m](thick,90) ;
lft z[m+1] = (-rad,0) + center ; penpos[m+1](thick,180) ;
bot z[m+2] = (0,-rad) + center ; penpos[m+2](thick,270) ;
rt z[m+3] = (rad,0) + center ; penpos[m+3](thick,0) ;
penstroke z[m]e{left}..z[m+1]e{down}..
z[m+2]e{right}..z[m+3]e{up}..cycle ;
penlabels(range m thru m+3);
enddef;
def uniarc(expr rad, thick, center, ang_a, ang_b, m)=
pickup pensquare scaled thick ;
path arc.l, arc.r, arc.e ; n:=m ; ang_c := abs(ang_b-ang_a) ;
if ang_c >= 360 :
unicir(rad,center,n) ;
else:
top z[n] = (0,rad) + center ; penpos[n](thick,90) ;
arc.r := z[n]r{left} ;
arc.l := z[n]l{left} ;
if ang_c > 90 :
n := n+1 ; lft z[n] = (-rad,0) + center ; penpos[n](thick,180) ;
arc.r := arc.r&z[n-1]r..z[n]r{down} ;
arc.l := arc.l&z[n-1]l..z[n]l{down} ;
if ang_c > 180 :
n := n+1 ; bot z[n] = (0,-rad) + center ; penpos[n](thick,270) ;
arc.r := arc.r&z[n-1]r..z[n]r{right} ;
arc.l := arc.l&z[n-1]l..z[n]l{right} ;
if ang_c > 270 :
n := n+1 ; rt z[n] = (rad,0) + center ; penpos[n](thick,0) ;
arc.r := arc.r&z[n-1]r..z[n]r{up} ;
arc.l := arc.l&z[n-1]l..z[n]l{up} ;
fi ;
fi ;
fi ;
n:=n+1 ; z[n] = z[m] rotatedabout(center,ang_c) ;
penpos[n](thick,90+ang_c) ;
arc.r := arc.r&z[n-1]r..z[n]r{dir(180+ang_c)} ;
arc.l := arc.l&z[n-1]l..z[n]l{dir(180+ang_c)} ;
arc.e := arc.l--reverse arc.r--cycle;
fill (arc.e rotatedabout(center,-90+ang_a));
fi;
penlabels(range m thru n);
enddef;
def uniend(expr rad, center, ang_a, ang_b, m)=
path arc ; n:=m ; ang_c := abs(ang_b-ang_a) ;
if ang_c >= 360 :
Rad := 2*rad ;
pickup pencircle scaled Rad ; z[n]=center ; drawdot z[n] ;
else:
z[n] = (0,rad) + center ; arc := center{up}--z[n]{left} ;
if ang_c > 90 :
n := n+1 ; z[n] = (-rad,0) + center ;
arc := arc&z[n-1]..z[n]{down} ;
if ang_c > 180 :
n := n+1 ; z[n] = (0,-rad) + center ;
arc := arc&z[n-1]..z[n]{right} ;
if ang_c > 270 :
n := n+1 ; z[n] = (rad,0) + center ;
arc := arc&z[n-1]..z[n]{up} ;
fi ;
fi ;
fi ;
n := n+1 ; z[n] = z[m] rotatedabout(center,ang_c) ;
arc := arc&z[n-1]..z[n]{dir(180+ang_c)}--cycle ;
fill (arc rotatedabout(center,-90+ang_a));
fi;
penlabels(range m thru n);
enddef;
def unilne(expr thick, start, stop, endcutstart, endcutstop, m)=
pickup pensquare scaled thick;
if endcutstart = endcutstop :
if endcutstart = 0 :
lft bot z[m] = start ; rt top z[m+1] = stop ;
ang_c := angle(z[m+1]-z[m]) ;
penpos[m](thick,-90+ang_c) ;
penpos[m+1](thick,-90+ang_c) ;
elseif endcutstart > 0 :
lft z[m] = start ; rt z[m+1] = stop ;
ang_c := angle(z[m+1]-z[m]) ;
penpos[m](thick/sind(ang_c),0) ;
penpos[m+1](thick/sind(ang_c),0) ;
elseif endcutstart < 0:
bot z[m] = start ; top z[m+1] = stop ;
ang_c := angle(z[m+1]-z[m]) ;
penpos[m](thick/cosd(ang_c),90) ;
penpos[m+1](thick/cosd(ang_c),90) ;
fi;
penstroke z[m]e--z[m+1]e ;
else :
message "Different endcuts on unilne not implemented yet.";
fi;
n := m + 1 ;
penlabels(range m thru n);
enddef;
\endinput
%%
%% End of file `unibase.mf'.
|
