diff options
Diffstat (limited to 'files/config/suckless/st/icat-mini.sh')
| -rwxr-xr-x | files/config/suckless/st/icat-mini.sh | 801 |
1 files changed, 0 insertions, 801 deletions
diff --git a/files/config/suckless/st/icat-mini.sh b/files/config/suckless/st/icat-mini.sh deleted file mode 100755 index 0a8ebab..0000000 --- a/files/config/suckless/st/icat-mini.sh +++ /dev/null @@ -1,801 +0,0 @@ -#!/bin/sh - -# vim: shiftwidth=4 - -script_name="$(basename "$0")" - -short_help="Usage: $script_name [OPTIONS] <image_file> - -This is a script to display images in the terminal using the kitty graphics -protocol with Unicode placeholders. It is very basic, please use something else -if you have alternatives. - -Options: - -h Show this help. - -s SCALE The scale of the image, may be floating point. - -c N, --cols N The number of columns. - -r N, --rows N The number of rows. - --max-cols N The maximum number of columns. - --max-rows N The maximum number of rows. - --cell-size WxH The cell size in pixels. - -m METHOD The uploading method, may be 'file', 'direct' or 'auto'. - --speed SPEED The multiplier for the animation speed (float). -" - -# Exit the script on keyboard interrupt -trap "echo 'icat-mini was interrupted' >&2; exit 1" INT - -cols="" -rows="" -file="" -tty="/dev/tty" -uploading_method="auto" -cell_size="" -scale=1 -max_cols="" -max_rows="" -speed="" - -# Parse the command line. -while [ $# -gt 0 ]; do - case "$1" in - -c|--columns|--cols) - cols="$2" - shift 2 - ;; - -r|--rows|-l|--lines) - rows="$2" - shift 2 - ;; - -s|--scale) - scale="$2" - shift 2 - ;; - -h|--help) - echo "$short_help" - exit 0 - ;; - -m|--upload-method|--uploading-method) - uploading_method="$2" - shift 2 - ;; - --cell-size) - cell_size="$2" - shift 2 - ;; - --max-cols) - max_cols="$2" - shift 2 - ;; - --max-rows) - max_rows="$2" - shift 2 - ;; - --speed) - speed="$2" - shift 2 - ;; - --) - file="$2" - shift 2 - ;; - -*) - echo "Unknown option: $1" >&2 - exit 1 - ;; - *) - if [ -n "$file" ]; then - echo "Multiple image files are not supported: $file and $1" >&2 - exit 1 - fi - file="$1" - shift - ;; - esac -done - -file="$(realpath "$file")" - -##################################################################### -# Adjust the terminal state -##################################################################### - -stty_orig="$(stty -g < "$tty")" -stty -echo < "$tty" -# Disable ctrl-z. Pressing ctrl-z during image uploading may cause some -# horrible issues otherwise. -stty susp undef < "$tty" -stty -icanon < "$tty" - -restore_echo() { - [ -n "$stty_orig" ] || return - stty $stty_orig < "$tty" -} - -trap restore_echo EXIT TERM - -##################################################################### -# Detect imagemagick -##################################################################### - -# If there is the 'magick' command, use it instead of separate 'convert' and -# 'identify' commands. -if command -v magick > /dev/null; then - identify="magick identify" - convert="magick" -else - identify="identify" - convert="convert" -fi - -##################################################################### -# Detect tmux -##################################################################### - -# Check if we are inside tmux. -inside_tmux="" -if [ -n "$TMUX" ]; then - case "$TERM" in - *tmux*|*screen*) - inside_tmux=1 - ;; - esac -fi - -##################################################################### -# Compute the number of rows and columns -##################################################################### - -is_pos_int() { - if [ -z "$1" ]; then - return 1 # false - fi - if [ -z "$(printf '%s' "$1" | tr -d '[:digit:]')" ]; then - if [ "$1" -gt 0 ]; then - return 0 # true - fi - fi - return 1 # false -} - -if [ -n "$cols" ] || [ -n "$rows" ]; then - if [ -n "$max_cols" ] || [ -n "$max_rows" ]; then - echo "You can't specify both max-cols/rows and cols/rows" >&2 - exit 1 - fi -fi - -# Get the max number of cols and rows. -[ -n "$max_cols" ] || max_cols="$(tput cols)" -[ -n "$max_rows" ] || max_rows="$(tput lines)" -if [ "$max_rows" -gt 255 ]; then - max_rows=255 -fi - -python_ioctl_command="import array, fcntl, termios -buf = array.array('H', [0, 0, 0, 0]) -fcntl.ioctl(0, termios.TIOCGWINSZ, buf) -print(int(buf[2]/buf[1]), int(buf[3]/buf[0]))" - -# Get the cell size in pixels if either cols or rows are not specified. -if [ -z "$cols" ] || [ -z "$rows" ]; then - cell_width="" - cell_height="" - # If the cell size is specified, use it. - if [ -n "$cell_size" ]; then - cell_width="${cell_size%x*}" - cell_height="${cell_size#*x}" - if ! is_pos_int "$cell_height" || ! is_pos_int "$cell_width"; then - echo "Invalid cell size: $cell_size" >&2 - exit 1 - fi - fi - # Otherwise try to use TIOCGWINSZ ioctl via python. - if [ -z "$cell_width" ] || [ -z "$cell_height" ]; then - cell_size_ioctl="$(python3 -c "$python_ioctl_command" < "$tty" 2> /dev/null)" - cell_width="${cell_size_ioctl% *}" - cell_height="${cell_size_ioctl#* }" - if ! is_pos_int "$cell_height" || ! is_pos_int "$cell_width"; then - cell_width="" - cell_height="" - fi - fi - # If it didn't work, try to use csi XTWINOPS. - if [ -z "$cell_width" ] || [ -z "$cell_height" ]; then - if [ -n "$inside_tmux" ]; then - printf '\ePtmux;\e\e[16t\e\\' >> "$tty" - else - printf '\e[16t' >> "$tty" - fi - # The expected response will look like ^[[6;<height>;<width>t - term_response="" - while true; do - char=$(dd bs=1 count=1 <"$tty" 2>/dev/null) - if [ "$char" = "t" ]; then - break - fi - term_response="$term_response$char" - done - cell_height="$(printf '%s' "$term_response" | cut -d ';' -f 2)" - cell_width="$(printf '%s' "$term_response" | cut -d ';' -f 3)" - if ! is_pos_int "$cell_height" || ! is_pos_int "$cell_width"; then - cell_width=8 - cell_height=16 - fi - fi -fi - -# Compute a formula with bc and round to the nearest integer. -bc_round() { - LC_NUMERIC=C printf '%.0f' "$(printf '%s\n' "scale=2;($1) + 0.5" | bc)" -} - -# Compute the number of rows and columns of the image. -if [ -z "$cols" ] || [ -z "$rows" ]; then - # Get the size of the image and its resolution. If it's an animation, use - # the first frame. - format_output="$($identify -format '%w %h\n' "$file" | head -1)" - img_width="$(printf '%s' "$format_output" | cut -d ' ' -f 1)" - img_height="$(printf '%s' "$format_output" | cut -d ' ' -f 2)" - if ! is_pos_int "$img_width" || ! is_pos_int "$img_height"; then - echo "Couldn't get image size from identify: $format_output" >&2 - echo >&2 - exit 1 - fi - opt_cols_expr="(${scale}*${img_width}/${cell_width})" - opt_rows_expr="(${scale}*${img_height}/${cell_height})" - if [ -z "$cols" ] && [ -z "$rows" ]; then - # If columns and rows are not specified, compute the optimal values - # using the information about rows and columns per inch. - cols="$(bc_round "$opt_cols_expr")" - rows="$(bc_round "$opt_rows_expr")" - # Make sure that automatically computed rows and columns are within some - # sane limits - if [ "$cols" -gt "$max_cols" ]; then - rows="$(bc_round "$rows * $max_cols / $cols")" - cols="$max_cols" - fi - if [ "$rows" -gt "$max_rows" ]; then - cols="$(bc_round "$cols * $max_rows / $rows")" - rows="$max_rows" - fi - elif [ -z "$cols" ]; then - # If only one dimension is specified, compute the other one to match the - # aspect ratio as close as possible. - cols="$(bc_round "${opt_cols_expr}*${rows}/${opt_rows_expr}")" - elif [ -z "$rows" ]; then - rows="$(bc_round "${opt_rows_expr}*${cols}/${opt_cols_expr}")" - fi - - if [ "$cols" -lt 1 ]; then - cols=1 - fi - if [ "$rows" -lt 1 ]; then - rows=1 - fi -fi - -##################################################################### -# Generate an image id -##################################################################### - -image_id="" -while [ -z "$image_id" ]; do - image_id="$(shuf -i 16777217-4294967295 -n 1)" - # Check that the id requires 24-bit fg colors. - if [ "$(expr \( "$image_id" / 256 \) % 65536)" -eq 0 ]; then - image_id="" - fi -done - -##################################################################### -# Uploading the image -##################################################################### - -# Choose the uploading method -if [ "$uploading_method" = "auto" ]; then - if [ -n "$SSH_CLIENT" ] || [ -n "$SSH_TTY" ] || [ -n "$SSH_CONNECTION" ]; then - uploading_method="direct" - else - uploading_method="file" - fi -fi - -# Functions to emit the start and the end of a graphics command. -if [ -n "$inside_tmux" ]; then - # If we are in tmux we have to wrap the command in Ptmux. - graphics_command_start='\ePtmux;\e\e_G' - graphics_command_end='\e\e\\\e\\' -else - graphics_command_start='\e_G' - graphics_command_end='\e\\' -fi - -start_gr_command() { - printf "$graphics_command_start" >> "$tty" -} -end_gr_command() { - printf "$graphics_command_end" >> "$tty" -} - -# Send a graphics command with the correct start and end -gr_command() { - start_gr_command - printf '%s' "$1" >> "$tty" - end_gr_command -} - -# Send an uploading command. Usage: gr_upload <action> <command> <file> -# Where <action> is a part of command that specifies the action, it will be -# repeated for every chunk (if the method is direct), and <command> is the rest -# of the command that specifies the image parameters. <action> and <command> -# must not include the transmission method or ';'. -# Example: -# gr_upload "a=T,q=2" "U=1,i=${image_id},f=100,c=${cols},r=${rows}" "$file" -gr_upload() { - arg_action="$1" - arg_command="$2" - arg_file="$3" - if [ "$uploading_method" = "file" ]; then - # base64-encode the filename - encoded_filename=$(printf '%s' "$arg_file" | base64 -w0) - gr_command "${arg_action},${arg_command},t=f;${encoded_filename}" - fi - if [ "$uploading_method" = "direct" ]; then - # Create a temporary directory to store the chunked image. - chunkdir="$(mktemp -d)" - if [ ! "$chunkdir" ] || [ ! -d "$chunkdir" ]; then - echo "Can't create a temp dir" >&2 - exit 1 - fi - # base64-encode the file and split it into chunks. The size of each - # graphics command shouldn't be more than 4096, so we set the size of an - # encoded chunk to be 3968, slightly less than that. - chunk_size=3968 - cat "$arg_file" | base64 -w0 | split -b "$chunk_size" - "$chunkdir/chunk_" - - # Issue a command indicating that we want to start data transmission for - # a new image. - gr_command "${arg_action},${arg_command},t=d,m=1" - - # Transmit chunks. - for chunk in "$chunkdir/chunk_"*; do - start_gr_command - printf '%s' "${arg_action},i=${image_id},m=1;" >> "$tty" - cat "$chunk" >> "$tty" - end_gr_command - rm "$chunk" - done - - # Tell the terminal that we are done. - gr_command "${arg_action},i=$image_id,m=0" - - # Remove the temporary directory. - rmdir "$chunkdir" - fi -} - -delayed_frame_dir_cleanup() { - arg_frame_dir="$1" - sleep 2 - if [ -n "$arg_frame_dir" ]; then - for frame in "$arg_frame_dir"/frame_*.png; do - rm "$frame" - done - rmdir "$arg_frame_dir" - fi -} - -upload_image_and_print_placeholder() { - # Check if the file is an animation. - frame_count=$($identify -format '%n\n' "$file" | head -n 1) - if [ "$frame_count" -gt 1 ]; then - # The file is an animation, decompose into frames and upload each frame. - frame_dir="$(mktemp -d)" - frame_dir="$HOME/temp/frames${frame_dir}" - mkdir -p "$frame_dir" - if [ ! "$frame_dir" ] || [ ! -d "$frame_dir" ]; then - echo "Can't create a temp dir for frames" >&2 - exit 1 - fi - - # Decompose the animation into separate frames. - $convert "$file" -coalesce "$frame_dir/frame_%06d.png" - - # Get all frame delays at once, in centiseconds, as a space-separated - # string. - delays=$($identify -format "%T " "$file") - - frame_number=1 - for frame in "$frame_dir"/frame_*.png; do - # Read the delay for the current frame and convert it from - # centiseconds to milliseconds. - delay=$(printf '%s' "$delays" | cut -d ' ' -f "$frame_number") - delay=$((delay * 10)) - # If the delay is 0, set it to 100ms. - if [ "$delay" -eq 0 ]; then - delay=100 - fi - - if [ -n "$speed" ]; then - delay=$(bc_round "$delay / $speed") - fi - - if [ "$frame_number" -eq 1 ]; then - # Upload the first frame with a=T - gr_upload "q=2,a=T" "f=100,U=1,i=${image_id},c=${cols},r=${rows}" "$frame" - # Set the delay for the first frame and also play the animation - # in loading mode (s=2). - gr_command "a=a,v=1,s=2,r=${frame_number},z=${delay},i=${image_id}" - # Print the placeholder after the first frame to reduce the wait - # time. - print_placeholder - else - # Upload subsequent frames with a=f - gr_upload "q=2,a=f" "f=100,i=${image_id},z=${delay}" "$frame" - fi - - frame_number=$((frame_number + 1)) - done - - # Play the animation in loop mode (s=3). - gr_command "a=a,v=1,s=3,i=${image_id}" - - # Remove the temporary directory, but do it in the background with a - # delay to avoid removing files before they are loaded by the terminal. - delayed_frame_dir_cleanup "$frame_dir" 2> /dev/null & - else - # The file is not an animation, upload it directly - gr_upload "q=2,a=T" "U=1,i=${image_id},f=100,c=${cols},r=${rows}" "$file" - # Print the placeholder - print_placeholder - fi -} - -##################################################################### -# Printing the image placeholder -##################################################################### - -print_placeholder() { - # Each line starts with the escape sequence to set the foreground color to - # the image id. - blue="$(expr "$image_id" % 256 )" - green="$(expr \( "$image_id" / 256 \) % 256 )" - red="$(expr \( "$image_id" / 65536 \) % 256 )" - line_start="$(printf "\e[38;2;%d;%d;%dm" "$red" "$green" "$blue")" - line_end="$(printf "\e[39;m")" - - id4th="$(expr \( "$image_id" / 16777216 \) % 256 )" - eval "id_diacritic=\$d${id4th}" - - # Reset the brush state, mostly to reset the underline color. - printf "\e[0m" - - # Fill the output with characters representing the image - for y in $(seq 0 "$(expr "$rows" - 1)"); do - eval "row_diacritic=\$d${y}" - printf '%s' "$line_start" - for x in $(seq 0 "$(expr "$cols" - 1)"); do - eval "col_diacritic=\$d${x}" - # Note that when $x is out of bounds, the column diacritic will - # be empty, meaning that the column should be guessed by the - # terminal. - if [ "$x" -ge "$num_diacritics" ]; then - printf '%s' "${placeholder}${row_diacritic}" - else - printf '%s' "${placeholder}${row_diacritic}${col_diacritic}${id_diacritic}" - fi - done - printf '%s\n' "$line_end" - done - - printf "\e[0m" -} - -d0="̅" -d1="̍" -d2="̎" -d3="̐" -d4="̒" -d5="̽" -d6="̾" -d7="̿" -d8="͆" -d9="͊" -d10="͋" -d11="͌" -d12="͐" -d13="͑" -d14="͒" -d15="͗" -d16="͛" -d17="ͣ" -d18="ͤ" -d19="ͥ" -d20="ͦ" -d21="ͧ" -d22="ͨ" -d23="ͩ" -d24="ͪ" -d25="ͫ" -d26="ͬ" -d27="ͭ" -d28="ͮ" -d29="ͯ" -d30="҃" -d31="҄" -d32="҅" -d33="҆" -d34="҇" -d35="֒" -d36="֓" -d37="֔" -d38="֕" -d39="֗" -d40="֘" -d41="֙" -d42="֜" -d43="֝" -d44="֞" -d45="֟" -d46="֠" -d47="֡" -d48="֨" -d49="֩" -d50="֫" -d51="֬" -d52="֯" -d53="ׄ" -d54="ؐ" -d55="ؑ" -d56="ؒ" -d57="ؓ" -d58="ؔ" -d59="ؕ" -d60="ؖ" -d61="ؗ" -d62="ٗ" -d63="٘" -d64="ٙ" -d65="ٚ" -d66="ٛ" -d67="ٝ" -d68="ٞ" -d69="ۖ" -d70="ۗ" -d71="ۘ" -d72="ۙ" -d73="ۚ" -d74="ۛ" -d75="ۜ" -d76="۟" -d77="۠" -d78="ۡ" -d79="ۢ" -d80="ۤ" -d81="ۧ" -d82="ۨ" -d83="۫" -d84="۬" -d85="ܰ" -d86="ܲ" -d87="ܳ" -d88="ܵ" -d89="ܶ" -d90="ܺ" -d91="ܽ" -d92="ܿ" -d93="݀" -d94="݁" -d95="݃" -d96="݅" -d97="݇" -d98="݉" -d99="݊" -d100="߫" -d101="߬" -d102="߭" -d103="߮" -d104="߯" -d105="߰" -d106="߱" -d107="߳" -d108="ࠖ" -d109="ࠗ" -d110="࠘" -d111="࠙" -d112="ࠛ" -d113="ࠜ" -d114="ࠝ" -d115="ࠞ" -d116="ࠟ" -d117="ࠠ" -d118="ࠡ" -d119="ࠢ" -d120="ࠣ" -d121="ࠥ" -d122="ࠦ" -d123="ࠧ" -d124="ࠩ" -d125="ࠪ" -d126="ࠫ" -d127="ࠬ" -d128="࠭" -d129="॑" -d130="॓" -d131="॔" -d132="ྂ" -d133="ྃ" -d134="྆" -d135="྇" -d136="፝" -d137="፞" -d138="፟" -d139="៝" -d140="᤺" -d141="ᨗ" -d142="᩵" -d143="᩶" -d144="᩷" -d145="᩸" -d146="᩹" -d147="᩺" -d148="᩻" -d149="᩼" -d150="᭫" -d151="᭭" -d152="᭮" -d153="᭯" -d154="᭰" -d155="᭱" -d156="᭲" -d157="᭳" -d158="᳐" -d159="᳑" -d160="᳒" -d161="᳚" -d162="᳛" -d163="᳠" -d164="᷀" -d165="᷁" -d166="᷃" -d167="᷄" -d168="᷅" -d169="᷆" -d170="᷇" -d171="᷈" -d172="᷉" -d173="᷋" -d174="᷌" -d175="᷑" -d176="᷒" -d177="ᷓ" -d178="ᷔ" -d179="ᷕ" -d180="ᷖ" -d181="ᷗ" -d182="ᷘ" -d183="ᷙ" -d184="ᷚ" -d185="ᷛ" -d186="ᷜ" -d187="ᷝ" -d188="ᷞ" -d189="ᷟ" -d190="ᷠ" -d191="ᷡ" -d192="ᷢ" -d193="ᷣ" -d194="ᷤ" -d195="ᷥ" -d196="ᷦ" -d197="᷾" -d198="⃐" -d199="⃑" -d200="⃔" -d201="⃕" -d202="⃖" -d203="⃗" -d204="⃛" -d205="⃜" -d206="⃡" -d207="⃧" -d208="⃩" -d209="⃰" -d210="⳯" -d211="⳰" -d212="⳱" -d213="ⷠ" -d214="ⷡ" -d215="ⷢ" -d216="ⷣ" -d217="ⷤ" -d218="ⷥ" -d219="ⷦ" -d220="ⷧ" -d221="ⷨ" -d222="ⷩ" -d223="ⷪ" -d224="ⷫ" -d225="ⷬ" -d226="ⷭ" -d227="ⷮ" -d228="ⷯ" -d229="ⷰ" -d230="ⷱ" -d231="ⷲ" -d232="ⷳ" -d233="ⷴ" -d234="ⷵ" -d235="ⷶ" -d236="ⷷ" -d237="ⷸ" -d238="ⷹ" -d239="ⷺ" -d240="ⷻ" -d241="ⷼ" -d242="ⷽ" -d243="ⷾ" -d244="ⷿ" -d245="꙯" -d246="꙼" -d247="꙽" -d248="꛰" -d249="꛱" -d250="꣠" -d251="꣡" -d252="꣢" -d253="꣣" -d254="꣤" -d255="꣥" -d256="꣦" -d257="꣧" -d258="꣨" -d259="꣩" -d260="꣪" -d261="꣫" -d262="꣬" -d263="꣭" -d264="꣮" -d265="꣯" -d266="꣰" -d267="꣱" -d268="ꪰ" -d269="ꪲ" -d270="ꪳ" -d271="ꪷ" -d272="ꪸ" -d273="ꪾ" -d274="꪿" -d275="꫁" -d276="︠" -d277="︡" -d278="︢" -d279="︣" -d280="︤" -d281="︥" -d282="︦" -d283="𐨏" -d284="𐨸" -d285="𝆅" -d286="𝆆" -d287="𝆇" -d288="𝆈" -d289="𝆉" -d290="𝆪" -d291="𝆫" -d292="𝆬" -d293="𝆭" -d294="𝉂" -d295="𝉃" -d296="𝉄" - -num_diacritics="297" - -placeholder="" - -##################################################################### -# Upload the image and print the placeholder -##################################################################### - -upload_image_and_print_placeholder |