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
|
#!/bin/bash
dir=`mktemp -d`
if which sha1sum 2>/dev/null >/dev/null; then
SHA1SUM=sha1sum
elif which shasum 2>/dev/null >/dev/null; then
SHA1SUM='shasum -a 1'
elif which digest 2>/dev/null >/dev/null; then
SHA1SUM='digest -a sha1'
else
echo "'sha1sum' not found"
exit 2
fi
out=/dev/stdout
if test "x$1" == 'x-o'; then
shift
out=$1
shift
fi
hb_subset=$1
shift
hb_shape=$1
shift
fontfile=$1
if test "x${fontfile:0:1}" == 'x-'; then
echo "Specify font file before other options." >&2
exit 1
fi
shift
if ! echo "$hb_subset" | grep -q 'subset'; then
echo "Specify hb-subset (or \"fonttools subset\"): got '$hb_subset'." >&2
exit 1
fi
if ! echo "$hb_shape" | grep -q 'hb-shape'; then
echo "Specify hb-shape (not hb-view, etc): got '$hb_shape'." >&2
exit 1
fi
options=
have_text=false
for arg in "$@"; do
if test "x${arg:0:1}" == 'x-'; then
if echo "$arg" | grep -q ' '; then
echo "Space in argument is not supported: '$arg'." >&2
exit 1
fi
options="$options${options:+ }$arg"
continue
fi
if $have_text; then
echo "Too many arguments found... Use '=' notation for options: '$arg'" >&2
exit 1;
fi
text="$arg"
have_text=true
done
if ! $have_text; then
text=`cat`
fi
unicodes=`echo "$text" | ./hb-unicode-decode`
glyphs=`echo "$text" | $hb_shape $options "$fontfile"`
if test $? != 0; then
echo "hb-shape failed." >&2
exit 2
fi
glyph_ids=`echo "$text" | $hb_shape $options --no-glyph-names --no-clusters --no-positions "$fontfile" | sed 's/[][]//g; s/|/,/g'`
cp "$fontfile" "$dir/font.ttf"
echo $hb_subset \
--glyph-names \
--no-hinting \
--layout-features='*' \
--gids="$glyph_ids" \
--text="$text" \
--output-file="$dir/font.subset.ttf" \
"$dir/font.ttf"
$hb_subset \
--glyph-names \
--no-hinting \
--layout-features='*' \
--gids="$glyph_ids" \
--text="$text" \
--output-file="$dir/font.subset.ttf" \
"$dir/font.ttf"
if ! test -s "$dir/font.subset.ttf"; then
echo "Subsetter didn't produce nonempty subset font in $dir/font.subset.ttf" >&2
exit 2
fi
# Verify that subset font produces same glyphs!
glyphs_subset=`echo "$text" | $hb_shape $options "$dir/font.subset.ttf"`
if ! test "x$glyphs" = "x$glyphs_subset"; then
echo "Subset font produced different glyphs!" >&2
echo "Perhaps font doesn't have glyph names; checking visually..." >&2
hb_view=${hb_shape/shape/view}
echo "$text" | $hb_view $options "$dir/font.ttf" --output-format=png --output-file="$dir/orig.png"
echo "$text" | $hb_view $options "$dir/font.subset.ttf" --output-format=png --output-file="$dir/subset.png"
if ! cmp "$dir/orig.png" "$dir/subset.png"; then
echo "Images differ. Please inspect $dir/*.png." >&2
echo "$glyphs" >> "$out"
echo "$glyphs_subset" >> "$out"
exit 2
fi
echo "Yep; all good." >&2
rm -f "$dir/orig.png"
rm -f "$dir/subset.png"
glyphs=$glyphs_subset
fi
sha1sum=`$SHA1SUM "$dir/font.subset.ttf" | cut -d' ' -f1`
subset="data/in-house/fonts/$sha1sum.ttf"
mv "$dir/font.subset.ttf" "$subset"
# There ought to be an easier way to do this, but it escapes me...
unicodes_file=`mktemp`
glyphs_file=`mktemp`
echo "$unicodes" > "$unicodes_file"
echo "$glyphs" > "$glyphs_file"
# Open the "file"s
exec 3<"$unicodes_file"
exec 4<"$glyphs_file"
relative_subset="$subset"
if test "$out" != "/dev/stdout"; then
relative_subset="$(/usr/bin/env python3 -c 'import os, sys; print (os.path.relpath (sys.argv[1], sys.argv[2]))' "$subset" "$(dirname "$out")")"
fi
while read uline <&3 && read gline <&4; do
echo "$relative_subset;$options;$uline;$gline" >> "$out"
done
rm -f "$dir/font.ttf"
rmdir "$dir"
|
