blob: 5b40257600ccf2291c9f27846d2bdbce1fdc60ca (
plain) (
blame)
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
|
#!/bin/bash
# adapted for wayland (grim/slurp/wl-copy) from
# https://github.com/tatsumoto-ren/dotfiles/blob/main/.local/bin/maimocr
set -e
[ -n "$DEBUG" ] && set -x
TESSDATA_PREFIX=$HOME/.local/share/tessdata
langs=
method=tesseract
while getopts l:m:h opt; do
case "$opt" in
l) langs="${OPTARG}" ;;
m) method="${OPTARG}" ;;
h | ?)
printf "usage: %s [-h]\n" "$(basename "$0")"
printf "\n"
printf " -l LANG[+LANG]\n"
printf " -m METHOD\n"
printf "\n"
exit 2
;;
esac
done
shift $((OPTIND - 1))
for c in curl unzip grim slurp convert wl-copy; do
if ! command -v "$c" >/dev/null; then
notify "$c must be installed."
exit 1
fi
done
notify() {
echo "$*"
notify-send "㊗️ grimOCR" "$*"
}
notify_ask() {
notif_args="gdbus call --session \
--dest org.freedesktop.Notifications \
--object-path /org/freedesktop/Notifications"
ok_action_key=ok__$(mktemp -u | cut -d. -f2)
cancel_action_key=cancel__$(mktemp -u | cut -d. -f2)
APP_NAME=grimocr
REPLACE_ID=0
ICON=
SUMMARY=grimOCR
BODY="$*"
ACTIONS="[\"$ok_action_key\", \"OK\", \"$cancel_action_key\", \"Cancel\"]"
HINTS='{}'
EXPIRE_TIME=0
id=$($notif_args --method org.freedesktop.Notifications.Notify -- \
"$APP_NAME" "$REPLACE_ID" "$ICON" "$SUMMARY" "$BODY" \
"$ACTIONS" "$HINTS" "int32 $EXPIRE_TIME" | sed 's/(uint32 \([0-9]\+\),)/\1/g')
pidfile=$(mktemp /tmp/grimocr_notification_monitor.XXXXX)
result=$(mktemp /tmp/grimocr_notification_result.XXXXX)
trap '{ kill "$(cat "$pidfile")" ; rm -- "$pidfile" "$result"; }' EXIT
(
gdbus monitor --session \
--dest org.freedesktop.Notifications \
--object-path /org/freedesktop/Notifications &
printf "%d" $! >&3
) 3>"$pidfile" |
while read -r line; do
closed_id=$(printf "%s" "$line" | sed '/^\/org\/freedesktop\/Notifications: org.freedesktop.Notifications.NotificationClosed (uint32 \([0-9]\+\), uint32 [0-9]\+)$/!d;s//\1/')
if [ -n "$closed_id" ] && [ "$closed_id" = "$id" ]; then
$notif_args --method org.freedesktop.Notifications.CloseNotification "$id" >/dev/null
break
fi
action_invoked=$(printf "%s" "$line" | sed "/\/org\/freedesktop\/Notifications: org.freedesktop.Notifications.ActionInvoked (uint32 \([0-9]\+\), '\(.*\)')\$/!d;s//\1:\2/")
if [ -n "$action_invoked" ]; then
invoked_id=$(printf "%s" "$action_invoked" | cut -d: -f1)
action_id=$(printf "%s" "$action_invoked" | cut -d: -f2)
if [ "$invoked_id" = "$id" ]; then
case "$action_id" in
"$ok_action_key") printf "0" >"$result" ;;
"$cancel_action_key") printf "1" >"$result" ;;
esac
$notif_args --method org.freedesktop.Notifications.CloseNotification "$id" >/dev/null
break
fi
fi
done
return "$(cat "$result")"
}
download_tessdata() {
osd_url="https://github.com/tesseract-ocr/tessdata_best/blob/main/osd.traineddata"
eng_url="https://github.com/tesseract-ocr/tessdata_best/raw/main/eng.traineddata"
jpn_url="https://g33k.se/_matrix/media/r0/download/g33k.se/chvDlHzjiXgDEdeGTFnyOExv"
if ! notify_ask "Downloading Tesseract data?"; then
notify "Download aborted."
exit 0
else
notify "Download started."
fi
# download osd tessdata
curl -LsSf -o "$TESSDATA_PREFIX/osd.tessdata" "$osd_url"
curl -LsSf -o "$TESSDATA_PREFIX/eng.tessdata" "$eng_url"
# download jpn tessdata
jpn_zip_path=$(mktemp /tmp/grimocr_tesseract_data.XXXXX)
trap '{ rm -- "$jpn_zip_path"; }' EXIT
curl -LsSf -o "$jpn_zip_path" "$jpn_url"
mkdir -p -- "$TESSDATA_PREFIX"
unzip -o -j "$jpn_zip_path" -d "$TESSDATA_PREFIX"
notify "Download complete. Run again..."
}
take_screenshot() {
# https://tesseract-ocr.github.io/tessdoc/ImproveQuality.html#missing-borders
grim -g "$(slurp)" -t png -l 1 - |
convert png:- -alpha off -bordercolor White -border 10x10 png:-
notify "recognizing..." >/dev/null
}
installed_languages() {
if [ -n "$langs" ]; then
printf "%s" "$langs"
else
find "$TESSDATA_PREFIX" -type f -name '*.traineddata' -printf '%f+' |
sed 's|\.traineddata||g; s|\+$||'
fi
}
tesseract_recognize() {
# https://tesseract-ocr.github.io/tessdoc/Command-Line-Usage.html
tesseract stdin stdout \
--tessdata-dir "$TESSDATA_PREFIX" \
-l "$(installed_languages)" \
--psm 1 |
tr -d '\f'
# NOTE: by removing this, we can make it work for other langs too
# tr -d ' ' |
# tr -d '\n' |
# grep -P '[ｦ-ﾟァ-ヶぁ-ゞＡ-ｚ０-９ｧ-ﾝﾞﾟァ-ンぁ-ん一-龯]+'
}
mangaocr_recognize() {
python3 -c "$(
cat <<-EOF
from manga_ocr import MangaOcr
text = MangaOcr()("/dev/stdin")
print(text)
EOF
)"
}
recognize() {
case "${method}" in
tesseract) tesseract_recognize ;;
mangaocr) mangaocr_recognize ;;
esac
}
run_ocr() {
result=$(take_screenshot | recognize 2>/dev/null)
if [ $? -eq 0 ]; then
printf "%s" "$result" | wl-copy -n
notify "$result"
else
notify "Failed."
fi
}
## main
case "${method}" in
tesseract)
if ! command -v tesseract >/dev/null; then
notify "tesseract must be installed."
exit 1
fi
if [ ! -d "$TESSDATA_PREFIX" ]; then
download_tessdata
fi
;;
mangaocr)
if ! command -v python3 >/dev/null; then
notify "python3 must be installed."
exit 1
fi
notify "setting up manga-ocr..."
script_path="$(dirname "$(readlink -f "$0")")"
venv_path="${script_path}"/"$(basename "$0")".mangaocr
python3 -m venv "${venv_path}"
source "${venv_path}"/bin/activate
pip3 install -r "${script_path}"/"$(basename "$0")".requirements >/dev/null 2>&1
;;
*)
notify "unknown METHOD ${method}"
exit 1
;;
esac
notify "select some japanese text"
run_ocr
|
