Created
August 24, 2023 09:31
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vifm previewer script for images, PDF, ePub, audio, video
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| fileviewer <image/*> | |
| \ visualpreview image %pw %ph %px %py %c %N | |
| \ %pc | |
| \ visualpreview clear | |
| fileviewer <video/*> | |
| \ visualpreview video %pw %ph %px %py %c %N | |
| \ %pc | |
| \ visualpreview clear | |
| fileviewer <font/*> | |
| \ visualpreview font %pw %ph %px %py %c %N | |
| \ %pc | |
| \ visualpreview clear | |
| fileviewer {*.pdf} | |
| \ visualpreview pdf %pw %ph %px %py %c %N | |
| \ %pc | |
| \ visualpreview clear | |
| fileviewer {*.epub,*.mobi,*.azw,*.azw[0-9]},<application/epub+zip>,<application/x-mobipocket-ebook>,<application/vnd.amazon.ebook> | |
| \ visualpreview epub %pw %ph %px %py %c %N | |
| \ %pc | |
| \ visualpreview clear |
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| #!/usr/bin/env bash | |
| [ -d "$HOME/.cache/vifm" ] || mkdir -p "$HOME/.cache/vifm" | |
| action="${1}" | |
| width="${2}" | |
| height="${3}" | |
| xpos="${4}" | |
| ypos="${5}" | |
| input_file="${6}" | |
| no_detach="${7}" | |
| thumbnail_ext="jpg" | |
| thumbnail_id="$(stat --printf '%n\0%i\0%F\0%s\0%W\0%Y' -- "$(readlink -f "${PWD}/${input_file}")" | sha256sum | awk '{print $1}')" | |
| thumbnail_path="${HOME}/.cache/vifm" | |
| thumbnail_file="${thumbnail_path}/${thumbnail_id}.${thumbnail_ext}" | |
| close_preview() { | |
| kitten icat --clear --silent >/dev/tty </dev/tty "${no_detach}" | |
| exit 0 | |
| } | |
| show_preview() { | |
| input_file="$1" | |
| width="$2" | |
| height="$3" | |
| xpos="$4" | |
| ypos="$5" | |
| kitten icat --silent --transfer-mode=file --place=${width}x${height}@${xpos}x${ypos} --scale-up "${input_file}" >/dev/tty </dev/tty "${no_detach}" | |
| exit 0 | |
| } | |
| case "$action" in | |
| clear) | |
| close_preview | |
| ;; | |
| image) | |
| if [ ! -f "${thumbnail_file}" ]; then | |
| imgwidth=$(identify -format '%w' "${input_file}[0]") | |
| if [ "${imgwidth}" -lt 1024 ]; then | |
| convert "${input_file}[0]" -strip -quality 50 -density 72 "${thumbnail_file}" | |
| elif [ "${imgwidth}" -le 1920 ]; then | |
| convert "${input_file}[0]" -thumbnail '50%' -strip -quality 35 -density 72 "${thumbnail_file}" | |
| else | |
| convert "${input_file}[0]" -thumbnail 1024 -strip -quality 35 -density 72 "${thumbnail_file}" | |
| fi | |
| fi | |
| show_preview "${thumbnail_file}" "${width}" "${height}" "${xpos}" "${ypos}" | |
| ;; | |
| video) | |
| if [ ! -f "${thumbnail_file}" ]; then | |
| ffmpegthumbnailer -i "${input_file}" -o "${thumbnail_file}" -s 0 -q 5 | |
| fi | |
| show_preview "${thumbnail_file}" "${width}" "${height}" "${xpos}" "${ypos}" | |
| ;; | |
| epub) | |
| if [ ! -f "${thumbnail_file}" ]; then | |
| epub-thumbnailer "${input_file}" "${thumbnail_file}" 1024 | |
| fi | |
| show_preview "${thumbnail_file}" "${width}" "${height}" "${xpos}" "${ypos}" | |
| ;; | |
| pdf) | |
| if [ ! -f "${thumbnail_file}" ]; then | |
| pdftoppm -jpeg -f 1 -singlefile "${input_file}" "${thumbnail_file%.${thumbnail_ext}}" | |
| fi | |
| show_preview "${thumbnail_file}" "${width}" "${height}" "${xpos}" "${ypos}" | |
| ;; | |
| audio) | |
| if [ ! -f "${thumbnail_file}" ]; then | |
| ffmpeg -i "${input_file}" "${thumbnail_file}" -y >/dev/null | |
| fi | |
| show_preview "${thumbnail_file}" "${width}" "${height}" "${xpos}" "${ypos}" | |
| ;; | |
| font) | |
| if [ ! -f "${thumbnail_file}" ]; then | |
| fontpreview -i "${input_file}" -o "${thumbnail_file}" | |
| fi | |
| show_preview "${thumbnail_file}" "${width}" "${height}" "${xpos}" "${ypos}" | |
| ;; | |
| *) | |
| esac |
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