%*****************************************************************************
% Copyright (c) 1989 by N. N. Billawala
%*****************************************************************************
% pnsl10.mf Pandora Oblique 10 point
font_identifier:="PNSL";
mode_setup; % general setup
input pandor % general definitions used in pandora
designsize:= 10pt#; % intended "ideal" size for parameters
width#:= 10pt#; % width of an em
maxheight#:= 7.75pt#; % max height for delimiters,e.g., [,{,(
ascender#:= 7.5pt#; % height of ascenders, e.g., on l,h,k
cap#:= 7pt#; % height of uppercase, e.g., B,H,L
xheight#:= 5pt#; % xheight of lowercase, e.g., x,n,o
descender#:= 2pt#; % depth of descenders, e.g., on j,p,q
maxdepth#:= 2.25pt#; % max depth for delimiters,e.g., [,{,(
math_axis#:= .5[maxheight#,-maxdepth#]; % vertical alignment for math
accent_height#:=.3(ascender#-xheight#); % places bottom of accents
accent_depth#:=min(.5xheight#,.7(ascender#-xheight#)); % character ref box depth
define_whole_vertical_pixels(width,maxheight,ascender,cap,xheight,descender,
maxdepth,math_axis,accent_depth);
fixed_pitch_characters(false)(0); % true/false, number of characters per inch
oblique:=10; % slant of character reference points
bowlstem.uc#:=1.05 *fixed_pt; % uppercase (uc) bowl width
bowlstem.lc#:=1 *fixed_pt; % lowercase (lc) bowl width
stem.uc#:=1 *fixed_pt; % uppercase stem width
stem.lc#:=.95 *fixed_pt; % lowercase stem width
thin_stem.uc#:=.62 *fixed_pt; % width of thin uppercase stems
thin_stem.lc#:=.6 *fixed_pt; % width of thin lowercase stems
define_pixels
(bowlstem.uc,bowlstem.lc,stem.uc,stem.lc,thin_stem.uc,thin_stem.lc);
boldness:=1;
makeknown(fitbasis.lc#)(.21*width#);
makeknown(fitbasis.uc#)(.30*width#);
apex.uc:=inlimit(.3stem.uc)(0,stem.uc); % apex flatness in uppercase
apex.lc:=inlimit(.3stem.lc)(0,stem.lc); % apex flatness in lowercase
ov_t.uc:=.02cap; % top curve overshoot for uppercase
ov_t.lc:=.02xheight; % top curve overshoot for lowercase
ov_b.uc:=.02cap; % bottom curve overshoot for uppercase
ov_b.lc:=.02xheight; % bottom curve overshoot for lowercase
ov_apex.uc:=.02cap; % apex overshoot for uppercase
ov_apex.lc:=.02xheight; % apex overshoot for lowercase
apex_angle:=oblique; % for changing the angle at apex
if xheight<25:lowres_fix(ov_t.lc,ov_b.lc,ov_apex.lc); fi
if cap<70:lowres_fix(ov_t.uc,ov_b.uc,ov_apex.uc); fi
% for SERIFS and ARMS
serif_thickness:=inlimit(.3stem.lc)(eps,.5xheight); % base thickness of h-serifs
terminal_thickness:=serif_thickness; % base thickness of terminal serifs
tip_thickness:= serif_thickness; % base thickness of arms
bulb_thickness:= 2*serif_thickness; % (base) thickness of bulbs
x_bracket_h:=inlimit(.2xheight)(serif_thickness,.5xheight); % lc bracket join
cap_bracket_h:=inlimit(.2cap)(serif_thickness,.5cap); % uc bracket join
bool(ctrls):=false; % for explicit placement of control pts
onbase:=inlimit(0)(0,1); % places control pt along base of serif
onstem:=inlimit(0)(0,1); % places control pt along stem of serif
midbracket_pull:= inlimit(.4)(0,1); % pulls brackets in on arms and serifs
entasis:= inlimit(.1)(0,1); % amount of arc in horizontal serif base
terminal_entasis:= inlimit(.1)(0,1); % amount of arc in terminal serif base
arm_angle:= inlimit(10)(0,60); % global angle off of 90 degrees
asc_terminal_angle:= inlimit(0)(0,60); % at ascender height: from 0 deg...h,k,l
x_terminal_angle:= inlimit(10)(0,60); % at x-height: from 0 deg...m,n,r
base_terminal_angle:=inlimit(0)(0,60); % at base line: from 0 deg...u
diag_terminal_angle:=inlimit(10)(0,60); % on diagonals: from 0 deg...k,v,w,y
hs:=pt; % global horizontal serif length
ts:=pt; % global terminal serif length
as:=pt; % global arm length
cs:=pt; % global curvedarm length
serif_constant_amt:=0pt; % adds same length amount to all serifs
bool(bulbs):=true; % arms become bulbs if true
bool(bulb_taper):=false; % changes bulbs to tapering shape
taper_angle:=if bulb_taper:10 else:0 fi;% if |bulb_taper|, adjusts angle at end
bulb_taper_amt:=0; % taper length as a % of limb thickness
c_and_s.lc:=0; % c,s bulb length if |bulb_taper|=true
c_and_s.uc:=0; % C,G,S bulb length if |bulb_taper|=true
terminal_softness:=.2stem.lc; % softness in heel of the terminal serif
arm_softness:=.2thin_stem.lc; % softness in the heel of the arm
% ARCHES
arch_thickness.uc:=.2[thin_stem.uc,stem.uc]; % uppercase arch thickness
arch_thickness.lc:=.2[thin_stem.lc,stem.lc]; % lowercase arch thickness
arch_tip.uc:=.5arch_thickness.uc; % thinnest part of the uc arch
arch_tip.lc:=.5arch_thickness.lc; % thinnest part of the lc arch
arch_reference:=inlimit(.7)(.4,.95); % puts ref pts between tip/stem
arch_inner_amt:=inlimit(.8)(.4,.95); % puts arch pts between tip/ref pts
r_arch:=l_arch:=inlimit(.6)(0,1); % y-value of max outer stress on |r_arch|
bool(ensure_min_archthickness):=true; % guarantees minimum thickness
% BOWLS
major_curve.uc:=.9arch_thickness.uc; % uppercase major bowl curve thickness
major_curve.lc:=.9arch_thickness.lc; % lowercase major bowl curve thickness
minor_curve.uc:=.85arch_thickness.uc; % uppercase minor bowl curve thickness
minor_curve.lc:=.85arch_thickness.lc; % lowercase minor bowl curve thickness
major_bowl_tip.lc:=.9arch_tip.lc; % lowercase major bowl tip thickness
minor_bowl_tip.lc:=.8arch_tip.lc; % lowercase minor bowl tip thickness
major_bowl_reference:=inlimit(.6)(.4,.95); % puts ref pts between tip/bowlstem
minor_bowl_reference:=inlimit(.5)(.4,.95); % puts ref pts between tip/bowlstem
major_bowl_inner_amt:=inlimit(.7)(.4,.95); % puts arch pts between tip/ref pts
minor_bowl_inner_amt:=inlimit(.7)(.4,.95); % puts arch pts between tip/ref pts
define_minimums( % these values keep a one pixel minimum
bowlstem.lc,stem.lc,thin_stem.lc,apex.lc,arch_thickness.lc,arch_tip.lc,
bowlstem.uc,stem.uc,thin_stem.uc,apex.uc,arch_thickness.uc,arch_tip.uc,
major_curve.lc,minor_curve.lc,major_bowl_tip.lc,minor_bowl_tip.lc,
major_curve.uc,minor_curve.uc);
% ARCHES and BOWLS and CIRCULAR SHAPES
v_stress:=.52; % places point of vert stress on bowl
h_stress:=.51; % places horzstress on circular shapes
ductal:=inlimit(.1)(0,1); % for more ductal strokes: value of 1
minor_ductal.lc:=.1*(xheight-minor_curve.lc-major_curve.lc); % minor curve join
circ1:=inlimit(.95)(.75,1.5); % tension of outer curve shapes
circ2:=inlimit(.95)(.75,1.5); % tension of inner curve shapes
circ3:=inlimit(.95)(.75,1.5); % tension of outer |circular_shapes|
% JUNCTURES and NOTCHES
bool(softjuncture):=false; % are junctures soft? in junct macro
juncture_opening:=inlimit(.05stem.lc)(0,stem.lc);% indent into stem at juncture
stemcut_angle:=-2; % cut into stem at angle off of 90
archcut_angle:=0; % cuts into regular arch path
notch_length.uc:=.05stem.uc; % length of corrective notching (uc)
notch_length.lc:=.05stem.lc; % length of corrective notching (lc)
notch_width:=1; % width of corrective notching in pixels
notch_pos:=.3; % positions the beginning of the notch
bool(center_notch):= % centers all notches
if(thin_stem.lc/stem.lc)>=.75:true else:false fi;
bool(nonotch):=if(xheight<15) % if real low resolution
or(xheight#>15pt#) % or large character size
or(thin_stem.uc/stem.uc<.5):true % or small thin/thick ratio
else:false fi; % this overrides notching
% PUNCTUATION, ACCENTS, MATH and PENS
round_dot_diameter:=1.1stem.uc; % diameter of dots on ;:
accent_dot_diameter:=stem.lc; % diameter of dots(!?") and dot accents
comma_dot_indent=inlimit(.25)(0,1); % indent in the comma macro for the dot
bool(prime):=false; % changes commas to prime
prime_angle:=-20; % angle of prime-like comma
bool(realsoft_accents):=true; % make accents soft as possible
accent_thin_end:=max(1,.5thin_stem.lc); % thinnest end of accents
accent_thick_end:=max(1,.75stem.lc); % thickest end of accents
mathlines:=max(1,.45pt); % thickness of lines in math characters
head_thickness:=max(1,.9mathlines); % arrowhead thickness
def mathpen=pensquare scaled mathlines enddef; % for []/=+\#%-\<\>\_|^
blank_space_thickness:=max(1,.7mathlines); % for space char
def slashpen=pensquare scaled max(1,.5thin_stem.lc) enddef; % in O-slash chars
def dashpen=pensquare scaled max(1,.75mathlines) enddef; % for en em
% MISCELLANEOUS
join_radius:=.1pt; % global softness for use with softjoin
bool(softpath):=true; % softens paths in macros
narrow_amt:=inlimit(.7)(0,1); % thins strokes if narrow condition=true
w_narrow_amt:=inlimit(.3)(0,1); % thins strokes especially for eMwW oe
ebar_angle:=0; % used on the lowercase e
bool(bold):=false; % changes accent shapes if bold
rulepen:=pensquare scaled 1; % makes screenrules 1 pixel thick
if oblique=0:let //=relax % lets // do nothing if needed otherwise
else:def //=slanted sind(oblique/cosd oblique) enddef fi; % // slants ref pts
pair upward,downward;
upward=dir(90-oblique); % "up" along oblique angle
downward=dir(-90-oblique); % "down" along oblique angle
% ALTERNATE character specs
bool(test_all_characters):=false; % allows testing of alternate characters
alt0:=0; bool(a_full_bowl):=false; % for half/double bowls on a
alt1:=0; bool(g_full_bowl):=false; % for half/double bowls on g
alt2:=0; bool(spur):=true; % for pronged terminals on G,a,b,g,q
alt3:=0; bool(like_lowercase):=false; % alternate U
alt4:=0; bool(flat_diagonal_endings):=true; % else teminalserif k,v,w,x,y,V,W,X
alt5:=0; bool(beveled_join):=false; % on R,K,k
alt6:=0; bool(open_tail):=false; % for 3,5,6,9
alt7:=0; bool(diagonal_three):=false; % for diagonal as opposed to round top 3
alt8:=0; bool(inflection_two):=true; % for 2 with inflection
alt9:=0; bool(G_spur):=true; % spur on G
alt10:=0;bool(open_four):=true; % for top of 4
extra_beginchar:=extra_beginchar&"save t,p,ref; path p[],p[]',ref[];";
extra_beginchar:=extra_beginchar&"w#:=charwd;"; % for adjust def
extra_endchar:=extra_endchar&"wsaved:=w; w:=r-l;"; % for adjust def
for x:="a":
wanted[byte x]:=true; endfor % test these characters
let iff=always_iff; % tests all chars in the file
let show_character=draw_outlines;
if (mode<>proof):let show_character=fill_all;fi
input rotext % Roman Text character set
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