mirror of
https://github.com/NikitaIvanovV/ctpv.git
synced 2024-11-28 07:23:07 +01:00
117 lines
2.4 KiB
Bash
117 lines
2.4 KiB
Bash
image_method_ueberzug='U'
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image_method_kitty='K'
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image_method_chafa='C'
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echo_err() {
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echo "$@" >&2
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}
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exists() {
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command -v "$1" >/dev/null
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}
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check_exists() {
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exists "$@" || exit 127
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}
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noimages() {
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[ -n "$noimages" ]
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}
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autochafa() {
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[ -z "$autochafa" ]
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}
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is_kitty() {
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case "$TERM" in
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*-kitty) return 0 ;;
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*) return 1 ;;
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esac
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}
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kitty_clear() {
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kitty +kitten icat --clear --transfer-mode file
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}
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fifo_open() {
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# https://unix.stackexchange.com/a/522940/183147
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dd oflag=nonblock conv=notrunc,nocreat count=0 of="$1" \
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>/dev/null 2>/dev/null
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}
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set_image_method() {
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image_method=
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[ -n "$forcekitty" ] && is_kitty && { image_method="$image_method_kitty"; return 0; }
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[ -n "$forcekittyanim" ] && is_kitty && is_anim_image && { image_method="$image_method_kitty"; return 0; }
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[ -n "$forcechafa" ] && exists chafa && { image_method="$image_method_chafa"; return 0; }
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[ -n "$DISPLAY" ] && [ -z "$WAYLAND_DISPLAY" ] && exists ueberzug &&
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[ -n "$fifo" ] && [ -e "$fifo" ] &&
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{ image_method="$image_method_ueberzug"; return 0; }
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is_kitty && { image_method="$image_method_kitty"; return 0; }
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exists chafa && exists convert && { image_method="$image_method_chafa"; return 0; }
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}
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is_anim_image() {
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case "$m" in
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image/apng|image/gif|image/avif|image/webp)
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return 0 ;;
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*)
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return 1 ;;
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esac
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}
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chafa_run() {
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autochafa && format='-f symbols' || format=
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chafa -s "${w}x${h}" $format "$1" | sed 's/#/\n#/g'
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}
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setup_fifo() {
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fifo_open "$fifo" || exit "${1:-127}"
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}
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setup_image() {
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set_image_method
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[ "$image_method" = "$image_method_ueberzug" ] && setup_fifo "$@"
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}
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kitty_icat_pid() {
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printf '/tmp/ctpvicat.%d' "$id"
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}
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send_image() {
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noimages && return 127
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case "$image_method" in
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"$image_method_ueberzug")
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path="$(printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g')"
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printf '{ "action": "add", "identifier": "preview", "x": %d, "y": %d, "width": %d, "height": %d, "scaler": "contain", "scaling_position_x": 0.5, "scaling_position_y": 0.5, "path": "%s" }\n' "$x" "$y" "$w" "$h" "$path" > "$fifo"
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return 1
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;;
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"$image_method_kitty")
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kitty +kitten icat --transfer-mode file --align left \
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--place "${w}x${h}@${x}x${y}" "$1" &
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printf '%d\n' "$!" > "$(kitty_icat_pid)"
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wait
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return 1
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;;
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"$image_method_chafa")
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chafa_run "$1"
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;;
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*)
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return 127
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;;
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esac
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}
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convert_and_show_image() {
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noimages && return 127
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setup_image
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[ -n "$cache_valid" ] || "$@" || exit "$?"
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send_image "$cache_f"
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}
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