% Copyright 1993 Gilles F. Robert. % You may freely use, modify and/or distribute this file. % This statement added 2008/11/14 by Clea F. Rees on the basis of the email exchange archived at http://lists.debian.org/debian-tex-maint/2008/05/msg00040.html. % % Computer Modern Blackboard specials: % Was partly romand.mf and punct.mf; modified for blackboard letter % Gilles F. ROBERT (29-03-93) v1.0 % This file contains the digits 1 and 2, together with parentheses and brackets. % Character codes \0061, \0062, \0050, \0051, \0133 and \0135 are generated. cmchar "The numeral 1"; beginchar("1",9u#,fig_height#,0); italcorr fig_height#*slant-.5u#; adjust_fit(0,0); numeric light_stem; light_stem=hround .4[stem',cap_stem']; pickup tiny.nib; pen_duplicate(1,2); pos1(.5light_stem,0); pos2(.5light_stem,0); lft x.G1l=lft x.G2l=hround(.5(w+.5u)-.5cap_stem'-.5interspace); top y1=h+o; bot y2=0; Delta_x = hround(interspace+.5light_stem); double filldraw stroke z1e--z2e; % double stem if not serifs: save slab; slab=bar; fi dish_biserif(2,1,a,1/3,min(2.25u,lft x2l-1.5u), ab,1/3, b,1/3,min(2.25u,w-1.25u-rt x2r)); % serif pickup crisp.nib; pos3(slab,-90); pos4(bar,-90); top y3l=h+o; top y4l=if monospace: .8 else: .9 fi\\ h+o; lft x4=max(1.25u,tiny.lft x.G1l-2.35u); tiny.rt x.D1r=lft x3+.25[tiny,hair]; erase fill z3l{x4l-x3l,3(y4l-y3l)}...z4l{left} --(x4l,h+o+1)--(x3l,h+o+1)--cycle; % erase excess at top filldraw stroke z3e{x4e-x3e,3(y4e-y3e)}..z4e{left}; % point penlabels(G1,D1,G2,D2,3,4); endchar; cmchar "The numeral 2"; beginchar("2",9u#,fig_height#,0); italcorr fig_height#*slant-.5u#; adjust_fit(0,0); numeric arm_thickness, hair_vair; hair_vair=.25[vair,hair]; arm_thickness=Vround(if hefty:slab+2stem_corr else:.4[stem,cap_stem] fi); pickup crisp.nib; pos7(arm_thickness,-90); pos8(hair,0); bot y7r=0; lft x7=hround .9u; rt x8r=hround(w-.9u); y8=good.y(y7l+beak/2)+eps; arm(7,8,a,.3beak_darkness,beak_jut); % arm and beak pickup fine.nib; pos2(slab,90); pos3(.4[.5curve,.5cap_curve],0); pen_duplicate(3); top y2r=h+o; x2=.5(w-.5u); rt x.D3r=hround(w-.9u); y3+.5vair=.75h; if serifs: numeric bulb_diam; bulb_diam=hround(flare+2/3(cap_stem-stem)); pos0(bulb_diam,180); pos1(cap_hair,180); lft x1r=hround .9u; y1-.5bulb_diam=2/3h; (x,y2l)=whatever[z1l,z2r]; x2l:=x; bulb(2,1,0); % bulb and arc else: x2l:=x2l-.25u; pos1(flare,angle(-9u,h)); lft x1r=hround .75u; bot y1l=vround .7h; y1r:=good.y y1r+eps; x1l:=good.x x1l; filldraw stroke term.e(2,1,left,.9,4); fi % terminal and arc pos4(.25[hair_vair,cap_stem],0); pos5(hair_vair,0); pos6(hair_vair,0); y5=arm_thickness; y4=.3[y5,y3]; top y6=min(y5,slab,top y7l); lft x6l=crisp.lft x7; z4l=whatever[z6l,(x.D3l,bot .58h)]; z5l=whatever[z6l,z4l]; erase fill z4l--z6l--lft z6l--(lft x6l,y4l)--cycle; % erase excess at left filldraw stroke z2e{right}..tension atleast .9 and atleast 1 ..z.D3e{down}.. z4e---z5e--z6e; % stroke Delta_x = min(hround(curve_interspace+.4[.5curve,.5cap_curve]),x.D3l-x2r); define_upper_and_lower(G2,G4,G3,z2r{right}..tension atleast .9 and atleast 1 ..z.D3r{down}.. z4r---z5r); filldraw stroke z.G2e--z.G4e; % inner stroke penlabels(0,1,2,D3,4,G2,G3,G4,5,6,7,8); endchar; cmchar "Left parenthesis"; beginchar("(",7u# if monospace: -u# fi,body_height#,paren_depth#); italcorr body_height#*slant-.5u#; adjust_fit(0,0); pickup fine.nib; pen_duplicate(2); pos1(vair,0); pos2(.75[hair,.5stem],0); pos3(vair,0); rt x1r=rt x3r=hround(w-u); lft x.G2l=hround(x1-cap_interspace-4u if monospace: +4/3u fi); top y1=h; y2=.5[y1,y3]=math_axis; filldraw stroke z1e{3(x.G2e-x1e),y2-y1}...z.G2e ...{3(x3e-x.G2e),y3-y2}z3e; % arc Delta_x = min(hround(curve_interspace+.75[hair,.5stem]),x1l-x.G2r); define_upper_and_lower(D1,D3,D2,z1l{3(x.G2l-x1l),y2-y1}...z.G2l ...{3(x3l-x.G2l),y3-y2}z3l); filldraw stroke z.D1e--z.D3e; % inner stroke penlabels(1,G2,3,D1,D2,D3); endchar; cmchar "Right parenthesis"; beginchar(")",7u# if monospace: -u# fi,body_height#,paren_depth#); italcorr math_axis#*slant-.5u#; adjust_fit(0,0); pickup fine.nib; pen_duplicate(2); pos1(vair,0); pos2(.75[hair,.5stem],0); pos3(vair,0); lft x1l=lft x3l=hround u; rt x.D2r=hround(x1+cap_interspace+4u if monospace: -4/3u fi); top y1=h; y2=.5[y1,y3]=math_axis; filldraw stroke z1e{3(x.D2e-x1e),y2-y1}...z.D2e ...{3(x3e-x.D2e),y3-y2}z3e; % arc Delta_x = min(hround(curve_interspace+.75[hair,.5stem]),x.D2l-x1r); define_upper_and_lower(G1,G3,G2,z1r{3(x.D2r-x1r),y2-y1}...z.D2r ...{3(x3r-x.D2r),y3-y2}z3r); filldraw stroke z.G1e--z.G3e; % inner stroke penlabels(1,D2,3,G1,G2,G3); endchar; cmchar "Left bracket"; numeric wd#; wd#=max(5u#,4.5u#+.5if hefty:stem# else:rule_thickness# fi); beginchar("[",wd#,body_height#,paren_depth#); italcorr body_height#*slant; adjust_fit(0,0); pen_duplicate(1,2); numeric top_thickness,side_thickness; if hefty: top_thickness=vair; side_thickness=max(crisp.breadth,.5stem-stem_corr); else: top_thickness=2side_thickness=rule_thickness; fi; pickup crisp.nib; pos1(side_thickness,0); pos2(side_thickness,0); Delta_x = hround(interspace+side_thickness); top y1=h; bot y2=-d; lft x.G1l=lft x.G2l=hround(2.5u-.5side_thickness)-1-eps; double filldraw stroke z1e--z2e; % double stem pos3(top_thickness,90); pos4(top_thickness,90); pos5(top_thickness,90); pos6(top_thickness,90); x3=x5=x.G1l; rt x4=rt x6=ceiling(w-.4u)+eps; y3r=y4r=y1; y5l=y6l=y2; filldraw stroke z3e--z4e; % upper bar filldraw stroke z5e--z6e; % lower bar penlabels(G1,D1,G2,D2,3,4,5,6); endchar; cmchar "Right bracket"; numeric wd#; wd#=max(5u#,4.5u#+.5if hefty:stem# else:rule_thickness# fi); beginchar("]",wd#,body_height#,paren_depth#); italcorr body_height#*slant-2u#+.5if hefty:stem# else:rule_thickness# fi; adjust_fit(0,0); pen_duplicate(1,2); numeric top_thickness,side_thickness; if hefty: top_thickness=vair; side_thickness=max(crisp.breadth,.5stem-stem_corr); else: top_thickness=2side_thickness=rule_thickness; fi; pickup crisp.nib; pos1(side_thickness,0); pos2(side_thickness,0); Delta_x = hround(interspace+side_thickness); top y1=h; bot y2=-d; rt x.D1r=rt x.D2r=hround(w-2.5u+.5side_thickness)+1+eps; double filldraw stroke z1e--z2e; % double stem pos3(top_thickness,90); pos4(top_thickness,90); pos5(top_thickness,90); pos6(top_thickness,90); x3=x5=x.D1r; lft x4=lft x6=floor .4u-eps; y3r=y4r=y1; y5l=y6l=y2; filldraw stroke z3e--z4e; % upper bar filldraw stroke z5e--z6e; % lower bar penlabels(G1,D1,G2,D2,3,4,5,6); endchar;