summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/fonts/levy/digits.mf-old
blob: cf1cab52c7fd44f3bd47b9d0084f9507c8fe1de9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
%    Copyright (C) 1991 Silvio Levy
%     
%    This file is free software: you can redistribute it and/or modify
%    it under the terms of the GNU General Public License as published by
%    the Free Software Foundation, either version 2 of the License, or
%    (at your option) any later version.
%
%    This file is distributed in the hope that it will be useful,
%    but WITHOUT ANY WARRANTY; without even the implied warranty of
%    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
%    GNU General Public License for more details.
%
%    You should have received a copy of the GNU General Public License
%    along with this program.  If not, see <http://www.gnu.org/licenses/>.
%
%    As a special exception, if you create a document which uses this font,
%    and embed this font or unaltered portions of this font into the
%    document, this font does not by itself cause the resulting document to
%    be covered by the GNU General Public License. This exception does not
%    however invalidate any other reasons why the document might be covered
%    by the GNU General Public License. If you modify this font, you may
%    extend this exception to your version of the font, but you are not
%    obligated to do so. If you do not wish to do so, delete this exception
%    statement from your version.

% This file is the same as Computer Modern's romand.mf.
% It contains the ten digits in so-called roman style.
% Character codes \0060 through \0071 are generated.
     
% All digits have the same height, width, depth, and italic correction.
     
cmchar "The numeral 0";
beginchar("0",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
penpos1(vair,90); penpos3(vair,-90); penpos2(curve,180); penpos4(curve,0);
if not monospace: interim superness:=sqrt(more_super*hein_super); fi
x2r=hround max(.7u,1.45u-.5curve); x4r=w-x2r; x1=x3=.5w;
y1r=h+o; y3r=-o; y2=y4=.5h-vair_corr; y2l:=y4l:=.52h;
penstroke pulled_arc.e(1,2) & pulled_arc.e(2,3)
 & pulled_arc.e(3,4) & pulled_arc.e(4,1) & cycle;  % bowl
penlabels(1,2,3,4); endchar;
     
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'];
if light_stem <= tiny: light_stem:=tiny+eps; fi
pickup tiny.nib;
pos1(light_stem,0); pos2(light_stem,0);
lft x1l=lft x2l=hround(.5(w+.5u)-.5cap_stem'); top y1=h+o; bot y2=0;
filldraw stroke z1e--z2e;  % stem
if not serifs: save slab; slab=bar; fi
dish_serif(2,1,a,1/3,min(2.25u,lft x2l-1.5u),
  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 x1l-2.35u);
tiny.rt x1r=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(1,2,3,4); 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[curve,cap_curve],0);
top y2r=h+o; x2=.5(w-.5u); rt x3r=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; 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,(x3l,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
 ..z3e{down}.. z4e---z5e--z6e;  % stroke
penlabels(0,1,2,3,4,5,6,7,8); endchar;
     
cmchar "The numeral 3";
beginchar("3",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric top_thickness,mid_thickness,bot_thickness;
top_thickness=max(fine.breadth,vround(slab-2vair_corr));
mid_thickness=max(fine.breadth,vround 2/3vair);
bot_thickness=max(fine.breadth,vround(slab-vair_corr));
pickup fine.nib; pos2(top_thickness,90); top y2r=h+o;
pos3(max(fine.breadth,.6[curve,cap_curve]-stem_corr),0);
rt x3r=hround(w-1.25u);
pos4(vair,-90); pos5(vair,-90);
pos6(mid_thickness,90); x2=x6=x8=.5[1.5u,x7];
pos7(cap_curve,0); rt x7r=hround(w-.75u); lft x5=min(hround 3u,lft x6)-eps;
pos8(bot_thickness,-90); bot y8r=-o;
y3=.6[top y4l,bot y2l]; y7=.5[bot y6l,top y8l];
top y5l=vround(.54h+.5vair); y5r=y6l;
x4=1/3[x5,x3l]; z4=z5+whatever*(150u,h);
filldraw stroke pulled_super_arc.e(2,3)(.5superpull)
 & z3e{down}...z4e---z5e;  % upper bowl
filldraw z5r--z6l--z6r--z5l---cycle;  % middle tip
filldraw stroke pulled_super_arc.e(6,7)(.5superpull)
 & pulled_super_arc.e(7,8)(.5superpull);  % lower bowl
if serifs: numeric bulb_diam[];
 bulb_diam1=flare+.5(cap_stem-stem); bulb_diam2=flare+cap_stem-stem;
 pos0(bulb_diam1,180); pos1(hair,180);
 lft x0r=hround 1.25u; y0=min(.9h-.5bulb_diam1,.75h+.5bulb_diam1);
 bulb(2,1,0);  % upper bulb
 pos10(bulb_diam2,-180); pos9(cap_hair,-180);
 lft x10r=hround .75u; y10=max(.1h+.5bulb_diam2,.3h-.5bulb_diam2);
 bulb(8,9,10);  % lower bulb
else: pos1(.5[vair,flare],angle(-8u,h));
 lft x1r=hround u; bot y1l=vround .75h+o;
 y1r:=good.y y1r+eps; x1l:=good.x x1l;
 pos9(bot_thickness,angle(-2u,-h));
 lft x9r=hround .75u; top y9l=vround .25h-o;
 y9r:=good.y y9r-eps; x9l:=good.x x9l;
 filldraw stroke term.e(2,1,left,1,4);  % upper terminal
 filldraw stroke term.e(8,9,left,1,4); fi  % lower terminal
penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar;
     
cmchar "The numeral 4";
beginchar("4",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric light_stem, light_stem', diag_stem, alpha, cut; cut=.75notch_cut;
light_stem=hround .4[fudged.stem,fudged.cap_stem];
light_stem'=hround max(tiny.breadth,light_stem-2stem_corr);
diag_stem=max(tiny.breadth,.4[vair,fudged.hair]);
pickup crisp.nib; pos5(cap_bar,90); pos6(cap_bar,90);
lft x5=hround .5u; rt x6=hround(w-.5u);
top y5r=vround(if serifs: 5/18[slab,h-light_stem]+1
 else:.35(h-light_stem) fi+.5cap_bar);
z4l=top lft z5r; y2=y2'=y5=y6; x1r=x2r=hround(w-3u+.5light_stem);
penpos1(light_stem',0); penpos2(light_stem',0); y1=y3=h+apex_o+apex_oo;
x3r+apex_corr=x1r; alpha=diag_ratio(1,diag_stem,y3-y4l,x3r-x4l);
penpos3(alpha*diag_stem,0); penpos4(alpha*diag_stem,0);
x0=x1l; z0=whatever[z3r,z4r];
x5'=x5; z5''=z5'+penoffset z4-z3 of currentpen=whatever[z4l,z3l];
fill diag_end(2r,1r,1,.5,3l,4l)---z5''...lft z5'
 ---lft z5l -- (x4r,y5l) -- z4r
 if y0<h-cut:{z3r-z4r}...{up}(x1l-1,h-cut)
  --(x1l,h-cut) else: -- z0 fi
 --z2l--z2r--cycle;  % diagonal and upper stem
filldraw stroke z5e--z6e;  % bar
pickup tiny.nib; pos7(light_stem,0); rt x7r=x1r; bot y7=0;
pos2'(light_stem,0); x2'=x7;
filldraw stroke z2'e--z7e;  % lower stem
if serifs: dish_serif(7,2',a,1/3,1.75u,
  b,1/3,min(1.75u,w-.5u-rt x7r)); fi  % serif
penlabels(0,1,2,3,4,5,6,7); endchar;
     
cmchar "The numeral 5";
beginchar("5",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric bot_thickness,light_hair;
bot_thickness=max(fine.breadth,vround(slab-vair_corr));
light_hair=hround(cap_hair if hefty: -\\2stem_corr fi);
pickup tiny.nib; pos5(vair,180); pos6(vair,90);
bot y5=vround(.53h-vair); top y6r=vround .61803h+o;
pos3(light_hair,0); pos4(light_hair,0);
lft x3l=max(1.35u,2.1u-.5light_hair); x3=x4=x5; y4=y5;
top y3=h if not hefty: +\\o fi;
filldraw stroke z3e--z4e;  % thin stem
penpos7(cap_stem-fine,0); penpos8(bot_thickness-fine,-90);
fine.rt x7r=hround(w-.9u); x8=.5[u,x7]; x6=.5[x5,x7];
erase fill z5--bot z5--(x6,bot y5)--z6{left}
 ..tension .9 and 1..{x5-x6,3(y5-y6)}cycle; % erase excess in middle
filldraw stroke z6e{left}..tension .9 and 1..{x5-x6,3(y5-y6)}z5e;  % link
pickup fine.nib; pos6'(vair,90); z6'=z6;
y7=.5[y6,y8]; bot y8r=-o;
filldraw stroke pulled_arc.e(6',7) & pulled_arc.e(7,8);  % bowl
if serifs: pos9(hair,-180); y9=.5y5; lft x9r=hround .9u;
 pos10(flare+1/3(cap_stem-stem),-180); bulb(8,9,10);  % bulb
else: pos9(3/7[bot_thickness,flare],angle(-7u,-h));
 lft x9r=hround(tiny.lft x3l-.75u); bot y9r=vround .15h-o;
 x9l:=good.x x9l; y9l:=good.y y9l;
 filldraw stroke term.e(8,9,left,1,4); fi  % terminal
if hefty: pickup crisp.nib; pos1(slab,90); pos2(hair,0);
 top y1r=h; x1=x4; rt x2r=hround(w-1.5u); y2=y1l-eps;
 arm(1,2,a,0,0);  % arm
else: numeric flag_breadth; flag_breadth=7/8[vair,cap_curve];
 pos1(flag_breadth,90); pos2(flag_breadth,60);
 pos0(vair,90); top y1r=tiny.top y3; top y2r=vround .95h+o; y0r=y1r;
 lft x1=tiny.lft x3l; x2r=.5[x1,x0]; rt x0=hround(w-1.6u);
 erase fill top z1r--z1r...{right}z2r
  --(x2r,top y1r)--cycle; % erase excess at top
 filldraw stroke z1e...{right}z2e...z0e; fi  % flag
penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar;
     
cmchar "The numeral 6";
beginchar("6",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric top_thickness,bot_thickness,side_thickness,pull;
top_thickness=max(fine.breadth,vround(slab-2vair_corr));
bot_thickness=max(fine.breadth,vround(slab-vair_corr));
side_thickness=max(fine.breadth,hround 1/3[curve,cap_curve]);
pull=min(.25,1.5superpull);
pickup fine.nib; pos2(top_thickness,-270);
pos3(side_thickness,-180); pos4(bot_thickness,-90);
pos5(side_thickness,0); pos6(vair,90);
lft x3r=w-rt x5r=hround max(.75u,1.5u-.5side_thickness);
x4=x6-.1u=x2-u=.5w;
top y2r=h+o; y3=.5[y2,y4]; bot y4r=-o;
y5=.5[y4,y6]; top y6=vround 5/8h+o;
path p; p=pulled_super_arc.l(3,4)(pull);
numeric t; t=xpart(p intersectiontimes((x3r,y5)--(x4,y5)));
pos7(thin_join,180); z7l=point t of p;
(x,y6r)=whatever[z7l,z6l]; x6r:=min(x,.5[x5r,x6]);
filldraw stroke pulled_super_arc.e(2,3)(pull)
 & {{interim superness:=more_super; pulled_super_arc.e(3,4)(pull)}}
 & {{less_tense; pulled_super_arc.e(4,5)(pull) & pulled_super_arc.e(5,6)(pull)}}
 & z6e{left}...{direction t of p}z7e;  % arc and bowl
if serifs: pos1(hair,-360); pos0(flare,-360);
 rt x0r=max(rt x2+eps,hround(w-1.2u));
 y0=vround min(.9h-.5flare,.85h+.5flare)+o;
 {{less_tense; bulb(2,1,0)}};  % arc and bulb
else: pos1(vround .1[top_thickness,flare],90);
 top y1r=vround .97h+o; rt x1=hround(x5-.5);
 filldraw stroke term.e(2,1,right,.9,4); fi  % terminal
penlabels(0,1,2,3,4,5,6,7); endchar;
     
cmchar "The numeral 7";
beginchar("7",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric arm_thickness, bot_width, top_shift, top_hair;
if hefty: arm_thickness=Vround(slab+2stem_corr); top_shift=0;
 bot_width=hround .51[curve,cap_curve]; top_hair=.4[thin_join,bot_width];
else: arm_thickness=Vround .4[stem,cap_stem]; top_shift=.5u;
 bot_width=flare; top_hair=cap_hair; fi
if top_hair<tiny.breadth: top_hair:=tiny.breadth; fi
pickup crisp.nib; pos2(arm_thickness,90); pos1(hair,180);
top y2r=h; rt x2=hround(w-.75u+top_shift);
lft x1r=hround(.75u+.5top_shift); y1=good.y(y2l-beak/2)-eps;
arm(2,1,a,.3beak_darkness,-beak_jut);  % arm and beak
pos3(hair,180); y3=good.y(y2r+beak/6)+eps; z3r=whatever[z1r,z.a0];
penpos2'(eps,-90); z2'=z2r;
arm(2',3,b,beak_darkness,x3r-x.a0);  % upward extension of beak
pickup tiny.nib; pos4(top_hair,0); pos6(bot_width,0);
bot y4=max(h-arm_thickness,h-slab,bot y2l); rt x4r=crisp.rt x2;
lft x6l=hround(3.5u+top_shift-.5bot_width);
if serifs: y6-.5bot_width=-o; filldraw z6l{down}..{up}z6r--cycle;  % bulb
else: bot y6=-oo; fi
if hefty: erase fill rt z4r--z4r...{down}z6r
  --(rt x4r,y6)--cycle;  % erase excess at top
 filldraw stroke z4e...{down}z6e;  % stroke
else: pos5(top_hair,0); y5=2/3h; z5=whatever[z4,(.75u,y6)];
 erase fill rt z4r--z4r--z5r--(rt x4r,y5)--cycle;  % erase excess at top
 filldraw stroke z4e---z5e...{down}z6e; fi  % stroke
penlabels(1,2,3,4,5,6); endchar;
     
cmchar "The numeral 8";
beginchar("8",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric top_thickness,mid_thickness,bot_thickness,upper_side,lower_side,theta;
top_thickness=max(fine.breadth,vround(slab-2vair_corr));
bot_thickness=max(fine.breadth,vround(slab-vair_corr));
x0=.5w; y0=.54h;
if hefty: mid_thickness=vround 2/3vair; upper_side=hround(stem-3stem_corr);
 lower_side=hround min(.5[curve,cap_curve]-stem_corr,upper_side+.25u);
 penpos1(top_thickness,90); penpos2(upper_side,180);
 penpos3(mid_thickness,270); penpos8(upper_side,360);
 penpos4(mid_thickness,90); penpos7(lower_side,180);
 penpos6(bot_thickness,270); penpos5(lower_side,360);
 penpos0(vair,90); z3l=z0r; z4l=z0l;
 x1=x6=.5w; x2r=w-x8r=hround u; x7r=w-x5r=hround .75u;
 top y1r=h+o; bot y6r=-o; y2=y8=.5[y1l,y3l]; y7=y5=.5[y4l,y6l];
 filldraw stroke pulled_arc.e(1,2)
  & pulled_arc.e(2,3);  % left half of upper bowl
 filldraw stroke pulled_arc.e(4,5)
  & pulled_arc.e(5,6);  % right half of lower bowl
 filldraw stroke pulled_arc.e(6,7)
  & pulled_arc.e(7,4);  % left half of lower bowl
 filldraw stroke pulled_arc.e(3,8)
  & pulled_arc.e(8,1);  % right half of upper bowl
else: pickup fine.nib; theta=90-angle(18u,h); slope:=-h/18u;
 upper_side=max(fine.breadth,hround(.5[hair,stem]-stem_corr));
 lower_side=hround(.5[hair,stem]+stem_corr);
 pos1(top_thickness,-90); pos6(bot_thickness,-90);
 x1=x6=.5w; top y1l=h+o; bot y6r=-o; pos0(cap_stem,theta);
 lft x2l=w-rt x8l=hround 1.25u; lft x7r=w-rt x5r=hround .75u;
 x2r-x2l=upper_side-fine; x5r-x5l=lower_side-fine;
 ellipse_set(1l,2l,3l,0l); ellipse_set(1r,2r,3r,0r);
 ellipse_set(6l,5l,4l,0l); ellipse_set(6r,5r,4r,0r);
 numeric tau; tau=max(.8,.20710678/(superness-.5));
 filldraw stroke z1e{left}..tension atleast tau..z2e{down}
  ..z3e---z4e..z5e{down}..tension atleast tau..z6e{left};  % S stroke
 pos7(lower_side,180); pos8(upper_side,180);
 y7=.5[y5l,y5r]; y8=.5[y2l,y2r]; pos9(vair,90); z9=z0;
 filldraw stroke z1e{right}..tension atleast tau..z8e{down}
  ..tension atleast tau and atleast 1..{-18u,-.618h}z9e; % upper right stroke
 filldraw stroke z6e{left}..tension atleast tau..z7e{up}
  ..tension atleast tau and atleast 1..{18u,.5h}z9e; fi % lower left stroke
penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
     
cmchar "The numeral 9";
beginchar("9",9u#,fig_height#,0);
italcorr fig_height#*slant-.5u#;
adjust_fit(0,0);
numeric top_thickness,bot_thickness,side_thickness,pull;
top_thickness=max(fine.breadth,vround(slab-2vair_corr));
bot_thickness=max(fine.breadth,vround(slab-vair_corr));
side_thickness=max(fine.breadth,hround 1/3[curve,cap_curve]);
pull=min(.25,1.5superpull);
pickup fine.nib; pos2(bot_thickness,-90);
pos3(side_thickness,0); pos4(top_thickness,90);
pos5(side_thickness,180); pos6(vair,270);
w-rt x3r=lft x5r=hround max(.75u,1.5u-.5side_thickness);
x4-.1u=x6+.1u=x2+.75u=.5w;
bot y2r=-o; y3=.5[y2,y4]; top y4r=h+o;
y5=.5[y4,y6]; bot y6=vround 3/8h-o;
path p; p=pulled_super_arc.l(3,4)(pull);
numeric t; t=xpart(p intersectiontimes((x3r,y5)--(x4,y5)));
pos7(thin_join,360); z7l=point t of p;
(x,y6r)=whatever[z7l,z6l]; x6r:=max(x,.5[x5r,x6]);
filldraw stroke pulled_super_arc.e(2,3)(pull)
 & {{interim superness:=more_super; pulled_super_arc.e(3,4)(pull)}}
 & {{less_tense; pulled_super_arc.e(4,5)(pull) & pulled_super_arc.e(5,6)(pull)}}
 & z6e{right}...{direction t of p}z7e;  % arc and bowl
if serifs: pos1(hair,-180); pos0(flare,-180);
 lft x0r=min(lft x2-eps,hround 1.2u);
 y0=vround max(.1h+.5flare,.15h-.5flare)-o;
 {{less_tense; bulb(2,1,0)}};  % arc and bulb
else: pos1(.1[bot_thickness,flare],-120);
 bot y1r=vround .07h-o; lft x1r=hround 1.3u;
 filldraw stroke term.e(2,1,left,.9,4); fi  % terminal
penlabels(0,1,2,3,4,5,6,7); endchar;