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%(c) 1990,91 by Joel M. Hoffman
%hcaption. Modernized Fancy Classical Hebrew font. Version 0.9.
%calls the file base.
%last update: 5/15/91 by JMH
% modified for use with ArabTeX: 5/25/96 Klaus Lagally
% renamed "hcbase_pc" to "hcbase": 1999/04/10 KL
%This calls the file ``hcbase_pc'' to create a slanted, elongated Hebrew font
%for use in captions. See that file for more information.
%Use of this material in a commercial venture of any sort requires
%permission from me. Otherwise, you are free to use this for any
%legal, non-destructive purpose. If you find this font useful, a
%contribution to charity will be most appreciated.
%
%Send comments or complaints to:
%
%BITNET: hoffman@nyuacf.BITNET <-- this will change soon
%CompuServe: 72700,402 -or- 72700.402@compuserve.com
%SNAIL: Joel M. Hoffman
% 19 Hillcrest Lane
% Rye, NY 10580
% U.S.A.
if unknown mode:
mode:=localfont; fi
mode_setup;
currenttransform:= currenttransform slanted 1/5;
%I used large units, and then later scaled the font down to size. -JMH
%u#:=1/100in#; %ten units to a square.
u#:=1/384.16in#; %but account for magnification.(1/384.16)
%u#:=1/295.16in#; %but account for magnification and hp vs. epson
let_height#:=42u#; %height of a standard letter.
asc_height#:=40u#; %ascender height (for lamed).
desc_height#:=30u#; %descender height(depth?).
let_width#:=31u#; %width of a standard letter. (31u#)
serif_height#:=5u#; %height of a standard serif.(2.5u#)
serif_width#:=2.5u#; %width of a standard serif. (2.5u#)
chupchiklength#:=6u#;
vowel_width#:=14u#; %width of vowels under the letters.
vowel_height#:=12u#; %How tall the vowels are.
vowel_depth#:=8u#; %the space between the baseline and the vowels.
let_fit#:=3u#; %space to left and right of letter (.5u#)
vowel_fit#:=1.4u#; %space to the left and right of vowel(1.4u#);
thick#:=10u#; %thickness of thick lines. (7.5u#)
thin#:=3u#; %thickness of thin lines. (2u#)
hairline#:=.5u#; %VERY thin lines (.3u#)
vowel_stroke#:=4u#; %pen to use
dot#:=4u#; %diameter of dots (dagesh, vowels, etc)
squaredot#:=10u#;
overshoot#:=4u#; %overshoot for bet, taf.
tightness:=.68; %tightness for right_curve; (.78)
baseline_tilt:=45; %degrees for the tilt in baseline lines.
head_tilt#:=.7u#; %tilt for the head on the zion, etc.
sss:=.7; %Shrink the serif's width by this amount on a shin.
%(s)hrink (s)hin's (s)erif
define_pixels(let_height,asc_height,desc_height,let_width,head_tilt);
define_pixels(vowel_height,vowel_width,vowel_depth,vowel_height);
define_pixels(squaredot);
define_whole_pixels(let_fit,vowel_fit);
define_pixels(serif_height,serif_width,chupchiklength);
define_pixels(overshoot);
define_whole_blacker_pixels(thick,thin,dot,hairline,vowel_stroke);
def serifpen = pickup pencircle xscaled thin yscaled thick; enddef;
%def serifpen = pickup pencircle xscaled hairline yscaled thick; enddef;
def vowelpen = pickup pensquare scaled vowel_stroke; enddef;
%this is from the METAFONT book:
shrink_fit:=1+hround(2let_fit#*hppp)-2let_fit;
def normal_adjust_fit(expr left_adjustment,right_adjustment) =
l:=-hround(left_adjustment*hppp)-let_fit;
interim xoffset:=-l;
charwd:=charwd+2let_fit#+left_adjustment+right_adjustment;
r:=l+hround(charwd*hppp)-shrink_fit;
w:=r-hround(right_adjustment*hppp)-let_fit;
enddef;
let af=normal_adjust_fit;
def negate_af = af(-let_fit#,-let_fit#); enddef;
def vowel_af = af(-let_fit#+vowel_fit#,-let_fit#+vowel_fit#); enddef;
extra_endchar := extra_endchar&"r:=r+shrink_fit;w:=r-l;";
def top_serif (suffix i,j) = %draw a serif at point z.i, using z.j
serifpen;
x.j = x.i-serif_width; y.j = y.i + serif_height;
draw (x.i+serif_width,y.i) ... z.i .. z.j;
enddef;
def bottom_serif (suffix i,j) = %draw an inverse serif at point z.i, with z.j
serifpen;
x.j = x.i+serif_width;y.j=y.i-serif_height;
draw (x.i-serif_width,y.i) ... z.i .. z.j;
enddef;
def roundoff_bottom (suffix i) = %round off point z.i, assuming thin lines.
fill fullcircle scaled thin shifted z.i;
enddef;
def right_curve(suffix i,j,k,l) = %call general_right_curve
general_right_curve(tightness,tightness,thick,thick,thin,thin,i,j,k,l);
enddef;
def left_curve(suffix i,j,k,l) = %call general_left_curve
general_left_curve(tightness,tightness,thick,thick,thin,thin,i,j,k,l);
enddef;
def general_right_curve (expr ta,tb,sa,sb,sc,sd) (suffix i,j,k,l) =
y.j=y.i;x.j=ta*(x.l-x.i)+x.i;
x.k=x.l;y.k=tb*(y.i-y.l)+y.l;
penpos i (sa,90);
penpos j (sb,90);
penpos k (sc,0);
penpos l (sd,0);
penstroke z.l.e{up} ... {up}z.k.e ... z.j.e{left} ...{left} z.i.e;
enddef;
def general_left_curve (expr ta,tb,sa,sb,sc,sd) (suffix i,j,k,l) =
y.j=y.i;x.j=ta*(x.l-x.i)+x.i;
x.k=x.l;y.k=tb*(y.i-y.l)+y.l;
penpos i (sa,-90);
penpos j (sb,-90);
penpos k (sc,0);
penpos l (sd,0);
penstroke z.i.e{right}...{right}z.j.e...z.k.e{up}...{up}z.l.e;
enddef;
def any_curve (expr adjust,thick,thin) (suffix i,j,k,l,m) =
%draw from i to m via k, using j and l, using specified values for
% withds.
z.j=(tightness/adjust)[z.i,z.k];
z.l=(tightness/adjust)[z.m,z.k];
penpos i (thick,angle(z.k-z.i)+90);
penpos j (thick,angle(z.k-z.i)+90);
penpos l (thin,angle(z.m-z.k)+90);
penpos m (thin,angle(z.m-z.k)+90);
penstroke z.i.e{z.k-z.i}
... {z.k-z.i}z.j.e
... z.l.e{z.m-z.k}
... {z.m-z.k}z.m.e;
enddef;
def baseline (expr a,b) = %draw a baseline
pickup penrazor scaled thick rotated baseline_tilt;
draw a --- b;
enddef;
baselinewidth:= thick*sind(baseline_tilt);%but should be thick/sind....
def thickpen = pickup pencircle scaled thick; enddef;
def thinpen = pickup pencircle scaled thin; enddef;
def hairlinepen = pickup pencircle scaled hairline; enddef;
def baselinepen = pickup penrazor scaled thick rotated baseline_tilt; enddef;
def dotpen = pickup pencircle scaled dot; enddef;
def squarepen = pickup penrazor scaled squaredot rotated 45; enddef;
def dotat (expr z) = %put at dot at z
fill fullcircle scaled dot shifted z;
enddef;
def chupchik(suffix i,j)(expr ang) = %draw a chupchik from z at angle ang
thinpen;
z.i=z.j+dir(ang)*chupchiklength;
draw z.i--z.j;
enddef;
def mycutoff(expr a,b) = %cutoff with culling
cullit;
cutoff(a,b);
cullit;
enddef;
%input hcbase_pc; % KL 25.05.96
input hcbase; % 1999/04/10 KL
end; % KL 03.11.96
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