%***************************************************************************** % Copyright (c) 1989 by N. N. Billawala %***************************************************************************** % pntt9.mf Pandora Single Pitch 15 characters per inch fits with 9pt font_identifier:="PNTT"; mode_setup; % general setup input pandor % general definitions used in pandora designsize:= 9pt#; % intended "ideal" size for parameters width#:= 9pt#; % width of an em maxheight#:= 7.75pt# *.85; % max height for delimiters,e.g., [,{,( ascender#:= 7.5pt# *.85; % height of ascenders, e.g., on l,h,k cap#:= 7pt# *.85; % height of uppercase, e.g., B,H,L xheight#:= 5pt# *.85; % xheight of lowercase, e.g., x,n,o descender#:= 2pt# *.85; % depth of descenders, e.g., on j,p,q maxdepth#:= 2.25pt# *.85; % 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(true)(15); % true/false, number of characters per inch oblique:=0; % slant of character reference points bowlstem.uc#:=.9 *fixed_pt; % uppercase (uc) bowl width bowlstem.lc#:=.9 *fixed_pt; % lowercase (lc) bowl width stem.uc#:=.9 *fixed_pt; % uppercase stem width stem.lc#:=.9 *fixed_pt; % lowercase stem width thin_stem.uc#:=.6 *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(.9stem.uc)(0,stem.uc); % apex flatness in uppercase apex.lc:=inlimit(.9stem.lc)(0,stem.lc); % apex flatness in lowercase ov_t.uc:=.01cap; % top curve overshoot for uppercase ov_t.lc:=.01xheight; % top curve overshoot for lowercase ov_b.uc:=.01cap; % bottom curve overshoot for uppercase ov_b.lc:=.01xheight; % bottom curve overshoot for lowercase ov_apex.uc:=0; % apex overshoot for uppercase ov_apex.lc:=0; % 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(0)(eps,.5xheight); % base thickness of horz serifs terminal_thickness:=serif_thickness; % base thickness of terminal serifs tip_thickness:= serif_thickness; % base thickness of arms bulb_thickness:= .5stem.lc; % (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(.6)(0,1); % pulls brackets in on arms and serifs entasis:= inlimit(0)(0,1); % amount of arc in horizontal serif base terminal_entasis:= inlimit(0)(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(0)(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(0)(0,60); % on diagonals: from 0 deg...k,v,w,y hs:=0; % global horizontal serif length ts:=0; % global terminal serif length as:=0; % global arm length cs:=.5pt; % global curvedarm length serif_constant_amt:=0pt; % adds same length amount to all serifs bool(bulbs):=false; % arms become bulbs if true bool(bulb_taper):=true; % 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:=.65stem.lc; % c,s bulb length if |bulb_taper|=true c_and_s.uc:=.85stem.uc; % C,G,S bulb length if |bulb_taper|=true terminal_softness:=0; % softness in heel of the terminal serif arm_softness:=0; % softness in the heel of the arm % ARCHES arch_thickness.uc:=thin_stem.uc; % uppercase arch thickness arch_thickness.lc:=thin_stem.lc; % lowercase arch thickness arch_tip.uc:=arch_thickness.uc; % thinnest part of the uc arch arch_tip.lc:=arch_thickness.lc; % thinnest part of the lc arch arch_reference:=inlimit(.65)(.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:=arch_thickness.uc; % uppercase major bowl curve thickness major_curve.lc:=arch_thickness.lc; % lowercase major bowl curve thickness minor_curve.uc:=.9arch_thickness.uc; % uppercase minor bowl curve thickness minor_curve.lc:=.9arch_thickness.lc; % lowercase minor bowl curve thickness major_bowl_tip.lc:=major_curve.lc; % lowercase major bowl tip thickness minor_bowl_tip.lc:=minor_curve.lc; % lowercase minor bowl tip thickness major_bowl_reference:=inlimit(.5)(.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(.9)(.4,.95); % puts arch pts between tip/ref pts minor_bowl_inner_amt:=inlimit(.9)(.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:=.53; % places horzstress on circular shapes ductal:=inlimit(.15)(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(.9)(.75,1.5); % tension of outer curve shapes circ2:=inlimit(.9)(.75,1.5); % tension of inner curve shapes circ3:=inlimit(.9)(.75,1.5); % tension of outer |circular_shapes| % JUNCTURES and NOTCHES bool(softjuncture):=false; % are junctures soft? in junct macro juncture_opening:=inlimit(0)(0,stem.lc);% indent into stem at juncture stemcut_angle:=0; % 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 comma to prime prime_angle:=-20; % angle of prime-like comma bool(realsoft_accents):=false; % make accents soft as possible accent_thin_end:=max(1,.6thin_stem.lc); % thinnest end of accents accent_thick_end:=max(1,.6stem.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):=true; % 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):=false; % for 2 with inflection alt9:=0; bool(G_spur):=false; % 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 tttext % Typewriter Text character set