% LAMS1.MF VERSION 1.0 % COPYRIGHT (C) 1989 BY THE TEXPLORATORS CORPORATION % ALL RIGHTS RESERVED if unknown cmbase: input cmbase fi % replace the macro adjust_fit by version used in earlier cmbase files to % avoid division by zero error caused by newer versions of cmbase % Patch by Ingo Hadan (Jan 97) def normal_adjust_fit(expr left_adjustment,right_adjustment) = l:=-hround(left_adjustment*hppp)-letter_fit; interim xoffset:=-l; charwd:=charwd+2letter_fit#+left_adjustment+right_adjustment; r:=l+hround(charwd*hppp)-shrink_fit; w:=r-hround(right_adjustment*hppp)-letter_fit; enddef; def mono_adjust_fit(expr left_adjustment,right_adjustment) = numeric expansion_factor; mono_charwd#=2letter_fit# +expansion_factor*(charwd+left_adjustment+right_adjustment); forsuffixes $=u,jut,cap_jut,beak_jut,apex_corr: $:=$.#*expansion_factor*hppp; endfor l:=-hround(left_adjustment*expansion_factor*hppp)-letter_fit; interim xoffset:=-l; r:=l+mono_charwd-shrink_fit; w:=r-hround(right_adjustment*expansion_factor*hppp)-letter_fit; charwd:=mono_charwd#; charic:=mono_charic#; enddef; font_identifier:="LAMS"; font_size 10pt#; u#:=20/36pt#; % unit width width_adj#:=0pt#; % width adjustment for certain characters serif_fit#:=0pt#; % extra sidebar near lowercase serifs cap_serif_fit#:=5/36pt#; % extra sidebar near uppercase serifs letter_fit#:=0pt#; % extra space added to all sidebars body_height#:=270/36pt#; % height of tallest characters asc_height#:=360/36pt#; % height of lowercase ascenders cap_height#:=246/36pt#; % height of caps fig_height#:=232/36pt#; % height of numerals x_height#:=155/36pt#; % height of lowercase without ascenders math_axis#:=90/36pt#; % axis of symmetry for math symbols bar_height#:=87/36pt#; % height of crossbar in lowercase e comma_depth#:=70/36pt#; % depth of comma below baseline desc_depth#:=0/36pt#; % depth of lowercase descenders crisp#:=8/36pt#; % diameter of serif corners tiny#:=8/36pt#; % diameter of rounded corners fine#:=7/36pt#; % diameter of sharply rounded corners thin_join#:=7/36pt#; % width of extrafine details hair#:=9/36pt#; % lowercase hairline breadth stem#:=24/36pt#; % lowercase stem breadth curve#:=29/36pt#; % lowercase curve breadth ess#:=27/36pt#; % breadth in middle of lowercase s flare#:=32/36pt#; % diameter of bulbs or breadth of terminals dot_size#:=38/36pt#; % diameter of dots cap_hair#:=11/36pt#; % uppercase hairline breadth cap_stem#:=30/36pt#; % uppercase stem breadth cap_curve#:=35/36pt#; % uppercase curve breadth cap_ess#:=33/36pt#; % breadth in middle of uppercase s rule_thickness#:=.4pt#; % thickness of lines in math symbols dish#:=1/36pt#; % amount erased at top or bottom of serifs bracket#:=20/36pt#; % vertical distance from serif base to tangent jut#:=30/36pt#; % protrusion of lowercase serifs cap_jut#:=37/36pt#; % protrusion of uppercase serifs beak_jut#:=10/36pt#; % horizontal protrusion of beak serifs beak#:=70/36pt#; % vertical protrusion of beak serifs vair#:=8/36pt#; % vertical diameter of hairlines notch_cut#:=10pt#; % maximum breadth above or below notches bar#:=11/36pt#; % lowercase bar thickness slab#:=11/36pt#; % serif and arm thickness cap_bar#:=11/36pt#; % uppercase bar thickness cap_band#:=11/36pt#; % uppercase thickness above/below lobes cap_notch_cut#:=10pt#; % max breadth above/below uppercase notches serif_drop#:=4/36pt#; % vertical drop of sloped serifs stem_corr#:=1/36pt#; % for small refinements of stem breadth vair_corr#:=1/36pt#; % for small refinements of hairline height apex_corr#:=0pt#; % extra width at diagonal junctions o#:=8/36pt#; % amount of overshoot for curves apex_o#:=8/36pt#; % amount of overshoot for diagonal junctions slant:=0; % tilt ratio $(\Delta x/\Delta y)$ fudge:=1; % factor applied to weights of heavy characters math_spread:=0; % extra openness of math symbols superness:=1/sqrt2; % parameter for superellipses superpull:=1/6; % extra openness inside bowls beak_darkness:=11/30; % fraction of triangle inside beak serifs ligs:=2; % level of ligatures to be included square_dots:=false; % should dots be square? hefty:=false; % should we try hard not to be overweight? serifs:=true; % should serifs and bulbs be attached? monospace:=false; % should all characters have the same width? variant_g:=true; % should an italic-style g be used? low_asterisk:=false; % should the asterisk be centered at the axis? math_fitting:=true; % should math-mode spacing be used? mode_setup; font_setup; autorounding:=0; font_slant slant; font_x_height 0#; %x_height#; font_quad 18u# if not monospace:+4letter_fit# fi; % ********************************************** % Macros and character definitions. % ********************************************** def Shaft (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=hround 0; x0=hround w; y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,90+theta); pickup pencircle scaled rule_thickness; draw z1--z0; endchar; enddef; Shaft(0,1/6); Shaft(13,1/5); Shaft(26,1/4); Shaft(39,1/3); Shaft(52,2/5); Shaft(65,1/2); Shaft(78,3/5); Shaft(91,2/3); Shaft(104,3/4); def DashedShaft (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=w; y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,90+theta); x2=hround w; y2=h; %filldraw z2l---z1l{z1-z2}..{z2-z1}z1r---z2r{z2-z1}..{z1-z2}cycle; pickup pencircle scaled rule_thickness; draw z1--1/6z2; draw 2/6z2--4/6z2; draw 5/6z2--z2; endchar; enddef; DashedShaft(1,1/6); DashedShaft(14,1/5); DashedShaft(27,1/4); DashedShaft(40,1/3); DashedShaft(53,2/5); DashedShaft(66,1/2); DashedShaft(79,3/5); DashedShaft(92,2/3); DashedShaft(105,3/4); def UpperHead (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup rule.nib; x1=0; x0=w; y1=-d; y0= h; numeric theta; theta=angle(z0-z1); pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(180+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; enddef; UpperHead(2,1/6); UpperHead(15,1/5); UpperHead(28,1/4); UpperHead(41,1/3); UpperHead(54,2/5); UpperHead(67,1/2); UpperHead(80,3/5); UpperHead(93,2/3); UpperHead(106,3/4); def LowerHead (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup rule.nib; x1=w ; x0=0; y1=h; y0=-d; numeric theta; theta=angle(z1-z0); pos1(rule_thickness,-90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90-(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(45-theta) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2l..{z4-z9}z4l---{z9-z4}z4r..z2r--cycle; endchar; enddef; LowerHead(3,1/6); LowerHead(16,1/5); LowerHead(29,1/4); LowerHead(42,1/3); LowerHead(55,2/5); LowerHead(68,1/2); LowerHead(81,3/5); LowerHead(94,2/3); LowerHead(107,3/4); def UpperTopBarb (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=0; x0=w; y1=-d; y0=h; numeric theta; theta=angle(z0-z1); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(180+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r{dir -(90-theta)}..{z1-z0}z0l--z2l--cycle; endchar; enddef; UpperTopBarb(4,1/6); UpperTopBarb(17,1/5); UpperTopBarb(30,1/4); UpperTopBarb(43,1/3); UpperTopBarb(56,2/5); UpperTopBarb(69,1/2); UpperTopBarb(82,3/5); UpperTopBarb(95,2/3); UpperTopBarb(108,3/4); def UpperBotBarb (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=0; x0=w; y1=-d; y0=h; numeric theta; theta=angle(z0-z1); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(180+(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; filldraw z2r{dir (90+theta)}..{z1-z0}z0r--z2l--cycle; endchar; enddef; UpperBotBarb(5,1/6); UpperBotBarb(18,1/5); UpperBotBarb(31,1/4); UpperBotBarb(44,1/3); UpperBotBarb(57,2/5); UpperBotBarb(70,1/2); UpperBotBarb(83,3/5); UpperBotBarb(96,2/3); UpperBotBarb(109,3/4); def LowerTopBarb (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w ; x0=0; y1=h; y0=-d; numeric theta; theta=angle(z1-z0); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90-(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(45-theta) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; filldraw z2l{dir -(90-theta)}..{z1-z0}z0l--z2r--cycle; endchar; enddef; LowerTopBarb(6,1/6); LowerTopBarb(19,1/5); LowerTopBarb(32,1/4); LowerTopBarb(45,1/3); LowerTopBarb(58,2/5); LowerTopBarb(71,1/2); LowerTopBarb(84,3/5); LowerTopBarb(97,2/3); LowerTopBarb(110,3/4); def LowerBotBarb (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w ; x0=0; y1=h; y0=-d; numeric theta,delta;theta=angle(z1-z0); pos1(rule_thickness,90+theta); pos0(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90-(45-theta)) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); z3=z0+ dir -(45-theta) scaled ((3u++.24asc_height)+eps-rule_thickness-.5crisp.breadth); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2r=z0; z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2l{dir (90+theta)}..{z1-z0}z0r--z2r--cycle; endchar; enddef; LowerBotBarb(7,1/6); LowerBotBarb(20,1/5); LowerBotBarb(33,1/4); LowerBotBarb(46,1/3); LowerBotBarb(59,2/5); LowerBotBarb(72,1/2); LowerBotBarb(85,3/5); LowerBotBarb(98,2/3); LowerBotBarb(111,3/4); def LowerTopHook (expr ChCode, ChHeightFrac)= compute_spread(.45x_height#,.55x_height); beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w ; x0=0; y1=h; y0=-d; numeric theta,delta; theta=angle(z1-z0); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,-90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90+theta) xscaled spread yscaled spread; %dir (90-theta) xscaled (delta+eps) yscaled (delta+eps); %z3=z0+ dir -(45-theta) xscaled (delta+eps) yscaled (delta+eps); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2l=z0; z9=.381966[.5[z3,z4],z0]; pickup rule.nib; z40= 1/2[z0,z4] + dir (180+theta) xscaled 2.5u yscaled 2.5u; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; %penstroke z2e..{z4-z9}z4e; endchar; enddef; LowerTopHook(8,1/6); LowerTopHook(21,1/5); LowerTopHook(34,1/4); LowerTopHook(47,1/3); LowerTopHook(60,2/5); LowerTopHook(73,1/2); LowerTopHook(86,3/5); LowerTopHook(99,2/3); LowerTopHook(112,3/4); def LowerBotHook (expr ChCode, ChHeightFrac)= compute_spread(.45x_height#,.55x_height); beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1=w ; x0= 0; y1=h; y0=-d; numeric theta,delta; theta=angle(z1-z0); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,-90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90-theta) xscaled spread yscaled spread; %dir (90-theta) xscaled (delta+eps) yscaled (delta+eps); %z3=z0+ dir -(45-theta) xscaled (delta+eps) yscaled (delta+eps); pos5(bar,90-(45-theta)); z5l=z0; pos6(bar,-(45-theta)); z6l=z0; z2l=z0; z9=.381966[.5[z3,z4],z0]; z40= 1/2[z0,z4] + dir (180+theta) xscaled 2.5u yscaled 2.5u; pickup rule.nib; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; %penstroke z2e..{z4-z9}z4e; endchar; enddef; LowerBotHook(9,1/6); LowerBotHook(22,1/5); LowerBotHook(35,1/4); LowerBotHook(48,1/3); LowerBotHook(61,2/5); LowerBotHook(74,1/2); LowerBotHook(87,3/5); LowerBotHook(100,2/3); LowerBotHook(113,3/4); def UpperTopHook (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir (90+theta) xscaled (spread) yscaled (spread); %z3=z0+ dir -(180+(45-theta)) xscaled (delta+eps) yscaled (delta+eps); z2r=z0; z9=.381966[.5[z3,z4],z0]; %penstroke z2e..{z3-z9}z3e; z40= 1/2[z0,z4] + dir theta xscaled 2.5u yscaled 2.5u; pickup rule.nib; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; endchar; enddef; UpperTopHook(10,1/6); UpperTopHook(23,1/5); UpperTopHook(36,1/4); UpperTopHook(49,1/3); UpperTopHook(62,2/5); UpperTopHook(75,1/2); UpperTopHook(88,3/5); UpperTopHook(101,2/3); UpperTopHook(114,3/4); def UpperBotHook (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=w; y1=-d; y0=h; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,theta); pos3(bar,theta); pos4(bar,theta); z4=z0+ dir -(90-theta) xscaled (spread) yscaled (spread); %z3=z0+ dir -(180+(45-theta)) xscaled (delta+eps) yscaled (delta+eps); z2r=z0; z9=.381966[.5[z3,z4],z0]; z40= 1/2[z0,z4] + dir theta xscaled 2.5u yscaled 2.5u; %penstroke z2e..{z3-z9}z3e; pickup rule.nib; draw z0{z0-z1}..{z4-z0}z40..{z1-z0}z4; endchar; enddef; UpperBotHook(11,1/6); UpperBotHook(24,1/5); UpperBotHook(37,1/4); UpperBotHook(50,1/3); UpperBotHook(63,2/5); UpperBotHook(76,1/2); UpperBotHook(89,3/5); UpperBotHook(102,2/3); UpperBotHook(115,3/4); def Squiggle (expr ChCode, ChHeightFrac)= beginchar(ChCode,18u#,ChHeightFrac*18u#,0#); adjust_fit(0,0); x0= 0; x1=w; y0=-d; y1=h; numeric theta,delta; theta=angle(z1-z0); delta=3u; z2=.5/6[z0,z1]; z8=5.5/6[z0,z1]; z3=1/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z5=3/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z7=5/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z4=2/6[z0,z1] + dir -(90-theta) xscaled (delta+eps) yscaled (delta+eps); z6=4/6[z0,z1] + dir -(90-theta) xscaled (delta+eps) yscaled (delta+eps); pickup pencircle scaled rule_thickness; draw z0--z2--z3--z4--z5--z6--z7--z8--z1; endchar; enddef; Squiggle(12,1/6); Squiggle(25,1/5); Squiggle(38,1/4); Squiggle(51,1/3); Squiggle(64,2/5); Squiggle(77,1/2); Squiggle(90,3/5); Squiggle(103,2/3); Squiggle(116,3/4); def RevShaft (expr ChCode,ChWidthFrac,ChDepthFrac)= beginchar(ChCode,ChWidthFrac*18u#,0,ChDepthFrac*18u#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=h; y0=-d; pickup pencircle scaled rule_thickness; draw z1--z0; endchar; enddef; RevShaft(117,1/6,1); def RevDashedShaft (expr ChCode, ChWidthFrac, ChDepthFrac)= beginchar(ChCode,ChWidthFrac*18u#,0,ChDepthFrac*18u#); adjust_fit(0,0); pickup crisp.nib; x1= 0; x0=(w); y1=h; y0=-d; numeric theta,delta; theta=angle(z0-z1); delta=3u++.24asc_height; if abs(theta-45)<2.5: theta:=45; y1:=y0+x1-x0; fi % near-45$^\circ$ angle pos1(rule_thickness,90+theta); pos2(1.5rule_thickness,90+theta); x2= w; y2=-d; %filldraw z2l---z1l{z1-z2}..{z2-z1}z1r---z2r{z2-z1}..{z1-z2}cycle; pickup pencircle scaled rule_thickness; draw z1--1/6[z1,z2]; draw 2/6[z1,z2]--4/6[z1,z2]; draw 5/6[z1,z2]--z2; endchar; enddef; RevDashedShaft(118,1/6,1); beginchar(119,0,math_axis#,0); adjust_fit(0,0); pickup rule.nib; x0=0; y0=y2=math_axis; x2r=0; % was z2l pos2(1.5rule_thickness,180); pos3(bar,180); pos4(bar,180); z4=z0+ dir (180-45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir (180+45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z9=.381966[.5[z3,z4],z2]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; beginchar(120,0,math_axis#,0); adjust_fit(0,0); pickup rule.nib; x0=0; y0=math_axis; pos2(1.5rule_thickness,0); pos3(bar,0); pos4(bar,0); z4=z0+ dir -45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir 45 xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; %was z2l z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; endchar; beginchar(121,0,math_axis#,0); adjust_fit(0,0); pickup rule.nib; x0=0; y0=math_axis; pos1(rule_thickness,90); pos2(1.5rule_thickness,180); pos0(rule_thickness,90); pos3(bar,180); pos4(bar,180); z4=z0+ dir (180-45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir (180+45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; %was z2l z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z4-z9}z4r---{z9-z4}z4l..z2l--cycle; filldraw z2l{down}..{left}z0l--z2r--cycle; endchar; beginchar(122,0,math_axis#,0); adjust_fit(0,0); pickup rule.nib; x0=0; y0=math_axis; pos2(1.5rule_thickness,180); pos0(rule_thickness,90); pos3(bar,180); pos4(bar,180); z4=z0+ dir (180-45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z3=z0+ dir (180+45) xscaled ((3u++.24asc_height)+eps-rule_thickness) yscaled ((3u++.24asc_height)+eps-rule_thickness); z2r=z0; % was z2l z9=.381966[.5[z3,z4],z0]; pickup crisp.nib; filldraw z2r..{z3-z9}z3r---{z9-z3}z3l..z2l--cycle; filldraw z2l{up}..{left}z0r--z2r--cycle; endchar; compute_spread(.45x_height#,.55x_height); beginchar(123,spread#,math_axis#,0#); adjust_fit(0,0); pickup rule.nib; x0=0; y0=math_axis; numeric delta; delta=3u++.24asc_height; z4=z0+ dir (90) xscaled spread yscaled spread; pickup rule.nib; rt x40=hround(w); y40=good.y 1/2[y0,y4]; draw z0{right}..z40..{left}z4; endchar; beginchar(124,spread#,math_axis#,0#); adjust_fit(0,0); pickup rule.nib; x0=0; y0=math_axis; z4=z0+ dir (-90) xscaled spread yscaled spread; pickup rule.nib; rt x40=hround(w); y40=good.y 1/2[y0,y4]; %draw z0..{z4-z0}z40..z4; draw z0{right}..z40..{left}z4; endchar; beginchar(125,18u#,math_axis#,0#); adjust_fit(0,0); x0=hround 0; x1=hround(w); y0=math_axis; y1=math_axis; numeric theta,delta; theta=angle(z1-z0); delta=3u; z2=.5/6[z0,z1]; z8=5.5/6[z0,z1]; z3=1/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z5=3/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z7=5/6[z0,z1] + dir (90+theta) xscaled (delta+eps) yscaled (delta+eps); z4=2/6[z0,z1] + dir -(90-theta) xscaled (delta+eps) yscaled (delta+eps); z6=4/6[z0,z1] + dir -(90-theta) xscaled (delta+eps) yscaled (delta+eps); pickup pencircle scaled rule_thickness; draw z0--z2--z3--z4--z5--z6--z7--z8--z1; endchar; bye.