djvu files cannot be previewed (#1335)

added support for previewing books in djvu format.
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poeplva 2023-07-24 02:06:04 +03:00 committed by GitHub
parent 0497dcd51c
commit d8a8970715
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@ -25,6 +25,10 @@ case "$(file --dereference --brief --mime-type -- "$1")" in
image/avif) CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
[ ! -f "$CACHE" ] && convert "$1" "$CACHE.jpg"
image "$CACHE.jpg" "$2" "$3" "$4" "$5" "$1" ;;
image/vnd.djvu)
CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/lf/thumb.$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "$1")" | sha256sum | cut -d' ' -f1)"
[ ! -f "$CACHE" ] && djvused "$1" -e 'select 1; save-page-with /dev/stdout' | convert -density 200 - "$CACHE.jpg" > /dev/null 2>&1
image "$CACHE.jpg" "$2" "$3" "$4" "$5" "$1" ;;
image/*) image "$1" "$2" "$3" "$4" "$5" "$1" ;;
text/html) lynx -width="$4" -display_charset=utf-8 -dump "$1" ;;
text/troff) man ./ "$1" | col -b ;;