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scripts/i3lock.sh

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#!/usr/bin/env bash
# Author : Pavan Jadhaw
# Github Profile : https://github.com/pavanjadhaw
# Project Repository : https://github.com/pavanjadhaw/betterlockscreen
# create folder in ~/.cache/i3lock directory
folder="/home/nemo/projects/personal/avatars/lockscreen"
# ratio for rectangle to be drawn for time background on lockscreen
# Original Image
orig_wall="$folder/office.png"
# Versions (from here)
# You can use these images to set different versions as wallpaper
# lockscreen background.
resized="$folder/resized.png" # resized image for your resolution
# images to be used as wallpaper
dim="$folder/dim.png" # image with subtle overlay of black
blur="$folder/blur.png" # blurred version
dimblur="$folder/dimblur.png"
# lockscreen images (images to be used as lockscreen background)
l_resized="$folder/l_resized.png"
l_dim="$folder/l_dim.png"
l_blur="$folder/l_blur.png"
l_dimblur="$folder/l_dimblur.png"
prelock() {
pkill -u "$USER" -USR1 dunst
}
lock() {
#$1 image path
letterEnteredColor=d23c3dff
letterRemovedColor=d23c3dff
passwordCorrect=00000000
passwordIncorrect=d23c3dff
background=00000000
foreground=ffffffff
i3lock \
-t -i "$1"
# --force-clock
# --screen=0 \
# --bar-indicator --bar-direction=0 \
# --timecolor="$foreground" --datecolor="$foreground" \
# --noinputtext="" \
# --timepos="110:h-70" \
# --datepos="135:h-45" \
# --clock --datestr "Type password to unlock..." \
# --blur=sigma \
# --insidecolor=$background \
# --ringcolor=$foreground \
# --line-uses-inside \
# --keyhlcolor=$letterEnteredColor --bshlcolor=$letterRemovedColor --separatorcolor=$background \
# --insidevercolor=$passwordCorrect --insidewrongcolor=$passwordIncorrect \
# --ringvercolor=$foreground --ringwrongcolor=$foreground \
# --indpos="x+280:h-70" \
# --radius=20 --ring-width=4 --veriftext="" --wrongtext="" \
# --verifcolor="$foreground" \
}
postlock() {
pkill -u "$USER" -USR2 dunst
}
rec_get_random() {
dir="$1"
if [ ! -d "$dir" ]; then
user_input="$dir"
return
fi
dir=($dir/*)
dir=${dir[RANDOM % ${#dir[@]}]}
rec_get_random "$dir"
}
usage() {
echo "Important : Update the image cache, Ex: betterlockscreen -u path/to/image.jpg"
echo " Image cache must be updated to initially configure or update wallpaper used"
echo
echo
echo "See : https://github.com/pavanjadhaw/betterlockscreen for additional info..."
echo
echo
echo "Options:"
echo
echo " -h --help"
echo " For help. Ex: betterlockscreen -h or betterlockscreen --help"
echo
echo
echo " -u --update"
echo " to update image cache, you should do this before using any other options"
echo " Ex: betterlockscreen -u path/to/image.png when image.png is custom background"
echo " Or you can use betterlockscreen -u path/to/imagedir and a random file will be selected"
echo
echo
echo " -l --lock"
echo " to lock screen, Ex. betterlockscreen -l"
echo " you can also use dimmed or blurred background for lockscreen"
echo " Ex: betterlockscreen -l dim (for dimmed background)"
echo " Ex: betterlockscreen -l blur (for blurred background)"
echo " Ex: betterlockscreen -l dimblur (for dimmed + blurred background)"
echo
echo
echo " -s --suspend"
echo " to suspend system and lock screen, Ex. betterlockscreen -s"
echo " you can also use dimmed or blurred background for lockscreen"
echo " Ex: betterlockscreen -s dim (for dimmed background)"
echo " Ex: betterlockscreen -s blur (for blurred background)"
echo " Ex: betterlockscreen -s dimblur (for dimmed + blurred background)"
echo
echo
echo " -w --wall"
echo " you can also set lockscreen background as wallpaper"
echo " to set wallpaper. Ex betterlockscreen -w or betterlockscreen --wall"
echo " you can also use dimmed or blurred variants"
echo " Ex: betterlockscreen -w dim (for dimmed wallpaper)"
echo " Ex: betterlockscreen -w blur (for blurred wallpaper)"
echo " Ex: betterlockscreen -w dimblur (for dimmed + blurred wallpaper)"
echo
echo
echo " -r --resolution"
echo " to be used after -u"
echo " used to set a custom resolution for the image cache."
echo " Ex: betterlockscreen -u path/to/image.png -r 1920x1080"
echo " Ex: betterlockscreen -u path/to/image.png --resolution 3840x1080"
echo
echo " -b --blur"
echo " to be used after -u"
echo " used to set blur intensity. Default to 1."
echo " Ex: betterlockscreen -u path/to/image.png -b 3"
echo " Ex: betterlockscreen -u path/to/image.png --blur 0.5"
echo
}
# Options
case "$1" in
"")
if [ ! -f $l_dim ]; then
echo "Important : Update the image cache, Ex. betterlockscreen -u path/to/image.jpg"
echo
echo " Image cache must be updated to initially configure or update wallpaper used"
echo
echo "See also : For other set of options and help use help command."
echo "Ex. betterlockscreen -h or betterlockscreen --help"
echo
echo "See : https://github.com/pavanjadhaw/betterlockscreen for addition info..."
exit 1
else
echo
echo "Seems you havent provided any argument, see below for usage info"
echo
echo "See also : For other set of options and help use help command."
echo "Ex. betterlockscreen -h or betterlockscreen --help"
echo
echo "See : https://github.com/pavanjadhaw/betterlockscreen for addition info..."
echo
exit 1
fi
;;
-h | --help)
usage
;;
-l | --lock)
case "$2" in
"")
# default lockscreen
prelock
lock "$l_resized"
postlock
;;
dim)
# lockscreen with dimmed background
prelock
lock "$l_dim"
postlock
;;
blur)
# set lockscreen with blurred background
prelock
lock "$l_blur"
postlock
;;
dimblur)
# set lockscreen with dimmed + blurred background
prelock
lock "$l_dimblur"
postlock
;;
esac
;;
-s | --suspend)
case "$2" in
"")
# default lockscreen
prelock
lock "$l_resized" && systemctl suspend
postlock
;;
dim)
# lockscreen with dimmed background
prelock
lock "$l_dim" && systemctl suspend
postlock
;;
blur)
# set lockscreen with blurred background
prelock
lock "$l_blur" && systemctl suspend
postlock
;;
dimblur)
# set lockscreen with dimmed + blurred background
prelock
lock "$l_dimblur" && systemctl suspend
postlock
;;
esac
;;
-w | --wall)
case "$2" in
"")
# set resized image as wallpaper if no argument is supplied by user
feh --bg-fill $resized
;;
dim)
# set dimmed image as wallpaper
feh --bg-fill $dim
;;
blur)
# set blurred image as wallpaper
feh --bg-fill $blur
;;
dimblur)
# set dimmed + blurred image as wallpaper
feh --bg-fill $dimblur
;;
esac
;;
-u | --update)
background="$2"
shift 2
# find your resolution so images can be resized to match your screen resolution
y_res=$(xdpyinfo | grep dimensions | sed -r 's/^[^0-9]*([0-9]+x[0-9]+).*$/\1/')
# default blur level
blur_level=1
# parse update arguments
while [ $# -gt 0 ]; do
case "$1" in
-r | --resolution )
y_res="$2"
shift 2
;;
-b | --blur )
blur_level="$2"
shift 2
;;
*)
shift ;;
esac
done
rectangles=" "
SR=$(xrandr --query | grep ' connected' | grep -o '[0-9][0-9]*x[0-9][0-9]*[^ ]*')
for RES in $SR; do
SRA=(${RES//[x+]/ })
CX=$((${SRA[2]} + 25))
CY=$((${SRA[1]} - 30))
rectangles+="rectangle $CX,$CY $((CX+300)),$((CY-80)) "
done
# User supplied Image
user_image="$folder/user_image.png"
# create folder
if [ ! -d $folder ]; then
echo "Creating '$folder' directory to cache processed images."
mkdir -p "$folder"
fi
# get random file in dir if passed argument is a dir
rec_get_random "$background"
# get user image
cp "$user_input" "$user_image"
if [ ! -f $user_image ]; then
echo "Please specify the path to the image you would like to use"
exit 1
fi
# replace orignal with user image
cp "$user_image" "$orig_wall"
rm "$user_image"
echo "Generating alternate images based on the image you specified,"
echo "please wait this might take few seconds..."
# wallpapers
echo
echo "Converting provided image to match your resolution..."
# resize image
convert "$orig_wall" -resize "$y_res""^" -gravity center -extent "$y_res" "$resized"
echo
echo "Applying dim and blur effect to resized image"
# dim
convert "$resized" -fill black -colorize 40% "$dim"
# blur
blur_shrink=$(echo "scale=2; 20 / $blur_level" | bc)
blur_sigma=$(echo "scale=2; 0.6 * $blur_level" | bc)
convert "$resized" \
-filter Gaussian \
-resize "$blur_shrink%" \
-define "filter:sigma=$blur_sigma" \
-resize "$y_res^" -gravity center -extent "$y_res" \
"$blur"
# dimblur
convert "$dim" \
-filter Gaussian \
-resize "$blur_shrink%" \
-define "filter:sigma=$blur_sigma" \
-resize "$y_res^" -gravity center -extent "$y_res" \
"$dimblur"
# lockscreen backgrounds
echo
echo "Caching images for faster screen locking"
# resized
convert "$resized" -draw "fill black fill-opacity 0.4 $rectangles" "$l_resized"
# dim
convert "$dim" -draw "fill black fill-opacity 0.4 $rectangles" "$l_dim"
# blur
convert "$blur" -draw "fill black fill-opacity 0.4 $rectangles" "$l_blur"
# blur
convert "$dimblur" -draw "fill black fill-opacity 0.4 $rectangles" "$l_dimblur"
echo
echo "All required changes have been applied"
;;
esac
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