#!/usr/bin/env bash
# vim: set ts=2 sts=2 sw=2:

image="$HOME"/local/lockscreen.png
overlay="$HOME"/local/lockoverlay.png

# take a screenshot and apply some filters
# add `format=gray` to -vf arg for bw
ffmpeg\
  -loglevel quiet   \
  -y                \
  -s 2560x1440      \
  -f x11grab        \
  -i "$DISPLAY"     \
  -vframes 1        \
  -vf "boxblur=luma_radius=4" \
  "$image"

# composite screenshot and lock logo
convert\
  "$image"          \
  "$overlay"        \
  -gravity center   \
  -composite        \
  "$image"

lockargs=(\
  --textcolor=ffffff00          \
  --insidecolor=faddc500        \ # inside of circle while typing/idle
  --ringcolor=fafafa00          \ # outer ring while typing/idle
  --linecolor=2d283e00          \ # ring delimiter lines
  --keyhlcolor=fabb5caa         \ # keypress ring color
  --ringvercolor=fadd5caa       \ # outer ring while
  --insidevercolor=fadd5c00     \ # inner ring while password is being verified
  --ringwrongcolor=f13459aa     \ # incorrect password ring color
  --insidewrongcolor=f1345900   \ # inside incorrect color
)

/usr/bin/i3lock "${lockargs[@]}" -i "$image"

rm $image