summaryrefslogtreecommitdiff
path: root/fonts/jknappen/fc/src/lowern.mf
blob: 50fe9b7f65bd5ddea10a95368b43bcec6cb0af89 (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
% This is  LOWERN.MF
% Version 1.0a 
% Date 8-SEP-1991
% 
% (c) 1991 by J"org Knappen. See fc.rme for copying conditions
% This file is part of the fc-package 
% See fc.rme for more information
%
% J"org Knappen
% Institut f"ur Kernphysik
% Postfach 39 80
% D-W 6500 Mainz
% knappen@vkpmzd.kph.uni-mainz.de

% Contents:
%
% The following characters are generated without condition:
%
% n
%
% And the following on demand, i. e. if their code is known:
%
% n_tilde, n_acute, n_dot, n_uline, enj, eng
%
% Higher versions of this file might include more characters.

cmchar "The letter n";
beginchar("n",10u#,x_height#,0);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
pickup tiny.nib; pos1(stem,0); pos2(stem,0);
numeric shaved_stem; shaved_stem=hround(stem-2stem_corr);
pos1'(shaved_stem,0); pos2'(shaved_stem,0); pos3(stem,0);
lft x1l=hround(2.5u-.5stem); x1l=x1'l=x2l=x2'l; x3=w-x1;
top y1=h+min(oo,serif_drop); bot y2=0; y1=y1'; y2=y2';
filldraw stroke z1'e--z2'e;  % left stem
h_stroke(2,a,3,4);  % arch and right stem
if serifs: sloped_serif.l(1',2',b,1/3,jut,serif_drop); % upper left serif
 numeric inner_jut; pickup tiny.nib;
 if rt x2r+jut+.5u+1<=lft x4l-jut: inner_jut=jut;
 else: rt x2r+jut+.5u+1=lft x4l-inner_jut; fi
 dish_serif(2,1,c,1/3,jut,d,1/3,jut); % lower left serif
 dish_serif(4,3,e,1/3,inner_jut,f,1/3,jut); fi % lower right serif
picture savedpicture;
savedpicture:=currentpicture;
penlabels(1,2,3,4); endchar;

iff known n_dot:
cmchar "The letter n with dot";
numeric dot_diam#; dot_diam#=max(dot_size#,cap_curve#);
beginchar(n_dot,10u#,min(asc_height#,10/7x_height#+.5dot_diam#),0);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
define_whole_blacker_pixels(dot_diam);
currentpicture:=savedpicture;
pickup tiny.nib;
pos88(dot_diam,0); pos99(dot_diam,90);
x88=x99=good.x(.5w); top y99r=h+1;
if bot y99l-x_height+oo<slab: y99l:=min(y99r-eps,x_height+oo+tiny+slab);fi
y88=.5[y99l,y99r]; dot(88,99);  % dot
penlabels(88,99);endchar;    

iff known n_uline:
cmchar "The letter n with bar below";
beginchar(n_uline,10u#,x_height#,0.875desc_depth#);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
currentpicture:=savedpicture;
numeric macron_breadth; macron_breadth:=Vround .2[vair,stem];
pickup if serifs: crisp.nib else: fine.nib fi;
pos91(macron_breadth,90); pos92(macron_breadth,90);
bot y91l=bot y92l=-d-o; lft x91=w-rt x92=hround 1.25u;
filldraw stroke z91e--z92e;  % bar
penlabels(91,92); endchar;

iff known n_tilde:
cmchar "The letter n with tilde";
beginchar(n_tilde,10u#,.75[x_height#,min(asc_height#,2x_height#)],0);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
currentpicture:=savedpicture;
if serifs: numeric theta; theta=angle(1/6(6u-vair),1/4(h-x_height));
 pickup crisp.nib; numeric mid_width; mid_width=.4[vair,stem];
 pos1(vair,theta+90); pos2(vair,theta+90);
 pos3(vair,theta+90); pos4(vair,theta+90);
 z2-z1=z4-z3=(mid_width-crisp)*dir theta;
 lft x1r=hround(1/6w);rt x4l=hround(5/6w); top y4r=h;
 bot y1l=vround(bot y1l+min(2/3[x_height,h],y3l-.25vair)-top y1r);
 pair delta; ypart delta=3(y3l-y1l); delta=whatever*dir theta;
 filldraw z1l..controls(z1l+delta)and(z3l-delta)..z3l..z4l
  --z4r..controls(z4r-delta)and(z2r+delta)..z2r..z1r--cycle;  % stroke
else: pickup fine.nib; pos1(vair,180); pos2(vair,90);
 pos3(.5[vair,slab],90); pos4(vair,90); pos5(vair,180);
 lft x1r=hround(1/6w);rt x5l=hround(5/6w); x2-x1=x3-x2=x4-x3=x5-x4;
 bot y1=bot y4l=vround(.75[x_height,h]-vair);
 top y2r=top y5=h; y3=.5[y2,y4];
 filldraw stroke z1e{up}...z2e{right}..z3e..{right}z4e...{up}z5e; fi % stroke
penlabels(1,2,3,4,5); endchar;

iff known n_acute:
cmchar "The letter n with acute";
beginchar(n_acute,10u#,.75[x_height#,min(asc_height#,2x_height#)],0);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
currentpicture:=savedpicture;
if serifs: pickup crisp.nib; x1=hround(.5w+2.5u-.5stem); 
  x2=hround(.5w-5/6u);
 y1+.5stem=h+eps; y2=max(2/3[h,x_height],x_height+o+hair);
 numeric theta; theta=angle(z2-z1)+90;
 pos1(stem,theta); pos2(hair,theta);
 filldraw circ_stroke z1e--z2e;  % diagonal
else: pickup fine.nib; pos1(stem,0); pos2(vair,0);
 rt x1r=hround(.5w+3u); lft x2l=hround(.5w-.25u-.5vair);
 top y1=h; bot y2=vround 2/3[h,x_height];
 filldraw stroke z1e--z2e; fi  % diagonal
penlabels(1,2); endchar;

savedpicture:=nullpicture;

iff known enj:
cmchar "The letter enj";                  % from wsuipa
beginchar(enj,12.5u#,x_height#,desc_depth#);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
pickup tiny.nib; pos1(stem,0); pos2(stem,0);
numeric shaved_stem; shaved_stem=hround(stem-2stem_corr);
pos1'(shaved_stem,0); pos2'(shaved_stem,0); pos3(stem,0);
lft x1l=hround(3.4u-.35stem); x1l=x1'l=x2l=x2'l; x3=w-x1;
top y1=h+min(oo,serif_drop); bot y2=-.2d; y1=y1'; y2=y2';
filldraw stroke z1'e--z2'e;  % left stem
h_stroke(2,a,3,4);  % arch and right stem
if serifs: sloped_serif.l(1',2',b,1/3,jut,serif_drop); % upper left serif
 numeric inner_jut; pickup tiny.nib;
 if rt x2r+jut+.5u+1<=lft x4l-jut: inner_jut=jut;
 else: rt x2r+jut+.5u+1=lft x4l-inner_jut; fi
 dish_serif(4,3,e,1/3,inner_jut,f,1/3,jut); fi % lower right serif
%tail
numeric dot_diam#; dot_diam#=max(dot_size#,cap_curve#);
define_whole_blacker_pixels(dot_diam);
 pickup tiny.nib; pos15(vair,-90); pos16(hair,-180);
 pos17(flare,-180);
 rt x17=u;
 x15=.5[x2,x16r]; bot y15r=-d+oo; y16-.5flare=-.85d;
 z16r=z17r;
 (x,y15r)=whatever[z15l,z2l]; x15r:=max(x,.5[x16r,x15]);
 filldraw stroke z2e{down}...pulled_super_arc.e(2,15)(.4superpull);
  bulb(15,16,17); % arc and bulb
penlabels(1,2,3,4,15,16,17); endchar;

iff known eng:
cmchar "The letter eng";                    % from wsuipa
beginchar(eng,10.2u#,x_height#,1.1desc_depth#);
italcorr .5[bar_height#,x_height#]*slant-serif_fit#+.5stem#-2u#;
adjust_fit(serif_fit#+stem_shift#,serif_fit#-stem_shift#);
pickup tiny.nib; pos1(stem,0); pos2(stem,0);
numeric shaved_stem; shaved_stem=hround(stem-2stem_corr);
pos1'(shaved_stem,0); pos2'(shaved_stem,0); pos3(stem,0);
lft x1l=hround(2.5u-.5stem); x1l=x1'l=x2l=x2'l; x3=w-x1;
top y1=h+min(oo,serif_drop); bot y2=0; y1=y1'; y2=y2';
filldraw stroke z1'e--z2'e;  % left stem
h_stroke(2,a,3,4);  % arch and right stem
if serifs: sloped_serif.l(1',2',b,1/3,jut,serif_drop); % upper left serif
 numeric inner_jut; pickup tiny.nib;
 if rt x2r+jut+.5u+1<=lft x4l-jut: inner_jut=jut;
 else: rt x2r+jut+.5u+1=lft x4l-inner_jut; fi
 dish_serif(2,1,c,1/3,jut,d,1/3,jut);fi % lower left serif
%tail
numeric dot_diam#; dot_diam#=max(dot_size#,cap_curve#);
define_whole_blacker_pixels(dot_diam);
 pickup tiny.nib; pos15(vair,-90); pos16(hair,-180); pos17(flare,-180);
 x15=.5[x4,x16r]; bot y15r=-d+oo; y16-.5flare=-.85d;
 z16r=z17r; rt x17r=x2r;
 (x,y15r)=whatever[z15l,z4l]; x15r:=max(x,.5[x16r,x15]);
 filldraw stroke z4e{down}...pulled_super_arc.e(4,15)(.4superpull);
  bulb(15,16,17); % arc and bulb
penlabels(1,2,3,4,15,16,17); endchar;


endinput;