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#!/bin/bash
set -C -f
IFS="$(printf '%b_' '\n')"
IFS="${IFS%_}"
# Called by lf to generate the preview.
# $1 file path
# $4 x offset in cell coordinates
# $5 y offset in cell coordinates
# $2 width of the display area in cell coordinates
# $3 height of the display area in cell coordinates
THUMBNAIL_FPATH="$LF_KITTY_TEMPDIR/thumbnail.png"
# case "$(basename -- "$1" | tr '[:upper:]' '[:lower:]')" in
case "$(file --dereference --brief --mime-type -- "$1")" in
text/html)
lynx -width="$4" -display_charset=utf-8 -dump "$1"
;;
text/troff)
w=`expr "$2" - 2`
MANWIDTH="$w" man ./ "$1"
;;
text/* | */xml)
[ "${1##*.}" = "md" ] && glow -s dark -w "$2" "$1" && exit 0
bat --terminal-width "$(($4 - 2))" -f "$1"
;;
application/json | application/x-ndjson)
jq -C < "$1" ;;
audio/* | application/octet-stream)
mediainfo "$1" || exit 1
;;
image/png)
$XDG_CONFIG_HOME/lf/kitty.sh show "$1" $LF_KITTY_IMAGE_ID 1 $4 $5 $2 $3
;;
image/gif)
magick convert "${1}[0]" "$THUMBNAIL_FPATH"
$XDG_CONFIG_HOME/lf/kitty.sh show "$THUMBNAIL_FPATH" $LF_KITTY_IMAGE_ID 1 $4 $5 $2 $3
;;
image/*)
magick convert "$1" "$THUMBNAIL_FPATH"
$XDG_CONFIG_HOME/lf/kitty.sh show "$THUMBNAIL_FPATH" $LF_KITTY_IMAGE_ID 1 $4 $5 $2 $3
;;
application/pdf)
gs -o "$THUMBNAIL_FPATH" -sDEVICE=pngalpha -dLastPage=1 "$1" >/dev/null
$XDG_CONFIG_HOME/lf/kitty.sh show "$THUMBNAIL_FPATH" $LF_KITTY_IMAGE_ID 1 $4 $5 $2 $3
;;
font/* | application/vnd.ms-opentype)
FONT_NAME=$(fc-query --format "%{family}\n" "$1" | head -n 1)
PREVIEW_TEXT="${FONT_NAME}\nABCDEFGHIJKLMNOPQRSTUBWXYZ\n""\
abcdefghijklmnopqrstuvwxyz\n""\
1234567890\n""\
!@#$\%(){}[]-+=_\`~"
magick convert -size "1920x1080" xc:'#ffffff' \
-gravity center -pointsize 76 \
-font "$1" \
-fill '#000000' \
-annotate +0+0 "$PREVIEW_TEXT" \
"$THUMBNAIL_FPATH"
$XDG_CONFIG_HOME/lf/kitty.sh show "$THUMBNAIL_FPATH" $LF_KITTY_IMAGE_ID 1 $4 $5 $2 $3
;;
*)
cat "$1"
;;
esac
exit 127
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