68 lines
1.6 KiB
Plaintext
68 lines
1.6 KiB
Plaintext
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#!/usr/bin/env bash
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clear_screen() {
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printf '\e[%sH\e[9999C\e[1J%b\e[1;%sr' \
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"$((LINES-2))" "${TMUX:+\e[2J}" "$max_items"
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}
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# Get a file's mime_type.
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mime_type=$(file -bi "$1")
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# File isn't an image file, give warning.
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if [[ $mime_type != image/* ]]; then
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lf -remote "send $id echoerr 'Not an image'"
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exit
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fi
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w3m_paths=(/usr/{local/,}{lib,libexec,lib64,libexec64}/w3m/w3mi*)
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read -r w3m _ < <(type -p w3mimgdisplay "${w3m_paths[@]}")
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read -r LINES COLUMNS < <(stty size)
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# Get terminal window size in pixels and set it to WIDTH and HEIGHT.
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export $(xdotool getactivewindow getwindowgeometry --shell)
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# Get the image size in pixels.
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read -r img_width img_height < <("$w3m" <<< "5;${CACHE:-$1}")
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((img_width > WIDTH)) && {
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((img_height=img_height*WIDTH/img_width))
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((img_width=WIDTH))
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}
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((img_height > HEIGHT)) && {
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((img_width=img_width*HEIGHT/img_height))
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((img_height=HEIGHT))
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}
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# Variable needed for centering image.
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HALF_HEIGHT=$(expr $HEIGHT / 2)
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HALF_WIDTH=$(expr $WIDTH / 2)
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HALF_IMG_HEIGHT=$(expr $img_height / 2)
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HALF_IMG_WIDTH=$(expr $img_width / 2)
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X_POS=$(expr $HALF_WIDTH - $HALF_IMG_WIDTH)
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Y_POS=$(expr $HALF_HEIGHT - $HALF_IMG_HEIGHT)
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clear_screen
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# Hide the cursor.
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printf '\e[?25l'
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# Display the image.
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printf '0;1;%s;%s;%s;%s;;;;;%s\n3;\n4\n' \
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${X_POS:-0} \
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${Y_POS:-0} \
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"$img_width" \
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"$img_height" \
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"${CACHE:-$1}" | "$w3m" &>/dev/null
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# Wait for user input.
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read -ern 1
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# Clear the image.
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printf '6;%s;%s;%s;%s\n3;' \
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"${X_POS:-0}" \
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"${Y_POS:-0}" \
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"$WIDTH" \
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"$HEIGHT" | "$w3m" &>/dev/null
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clear_screen
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