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Add custom blur level #93

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Add custom blur level #93

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5dd61ec
Add option to set a custom blur level
albalitz Aug 27, 2017
6d6d036
Add custom blur level to usage instructions
albalitz Aug 27, 2017
d19be0a
Fix font argument parsing
albalitz Jan 5, 2018
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5 changes: 4 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,10 @@ Usage
-h, --help This help menu.

-d, --desktop Attempt to minimize all windows before locking. Requires wmctrl.


-b <blurlevel>, --blur <blurlevel> Set a custom blur level.
Default: 1.5

-g, --greyscale Set background to greyscale instead of color.

-p, --pixelate Pixelate the background instead of blur, runs faster.
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20 changes: 17 additions & 3 deletions lock
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Expand Up @@ -8,7 +8,7 @@ scriptpath=$(readlink -f -- "$0")
scriptpath=${scriptpath%/*}

hue=(-level "0%,100%,0.6")
effect=(-filter Gaussian -resize 20% -define "filter:sigma=1.5" -resize 500.5%)
blur_level="1.5"
# default system sans-serif font
font=$(convert -list font | awk "{ a[NR] = \$2 } /family: $(fc-match sans -f "%{family}\n")/ { print a[NR-1]; exit }")
image=$(mktemp --suffix=.png)
Expand All @@ -22,6 +22,9 @@ options="Options:

-d, --desktop Attempt to minimize all windows before locking.

-b <blurlevel>, --blur <blurlevel> Set a custom blur level.
Default: ${blur_level}

-g, --greyscale Set background to greyscale instead of color.

-p, --pixelate Pixelate the background instead of blur, runs faster.
Expand All @@ -44,7 +47,7 @@ options="Options:
# move pipefail down as for some reason "convert -list font" returns 1
set -o pipefail
trap 'rm -f "$image"' EXIT
temp="$(getopt -o :hdnpglt:f: -l desktop,help,listfonts,nofork,pixelate,greyscale,text:,font: --name "$0" -- "$@")"
temp="$(getopt -o :hdnpglt:f:b: -l desktop,help,listfonts,nofork,pixelate,greyscale,text:,font:,blur: --name "$0" -- "$@")"
eval set -- "$temp"

# l10n support
Expand All @@ -63,13 +66,20 @@ case "${LANG:-}" in
* ) text="Type password to unlock" ;; # Default to English
esac

set_effect=true
while true ; do
case "$1" in
-h|--help)
printf "Usage: %s [options]\n\n%s\n\n" "${0##*/}" "$options"; exit 1 ;;
-d|--desktop) desktop=$(command -V wmctrl) ; shift ;;
-b|--blur)
case "$2" in
""|[[:alpha:]]*) shift 2 ;;
-*) shift ;;
*) blur_level="$2" ; shift 2 ;;
esac ;;
-g|--greyscale) hue=(-level "0%,100%,0.6" -set colorspace Gray -separate -average) ; shift ;;
-p|--pixelate) effect=(-scale 10% -scale 1000%) ; shift ;;
-p|--pixelate) effect=(-scale 10% -scale 1000%) ; set_effect=false ; shift ;;
-f|--font)
case "$2" in
"") shift 2 ;;
Expand All @@ -85,6 +95,10 @@ while true ; do
esac
done

if "$set_effect"; then
effect=(-filter Gaussian -resize 20% -define "filter:sigma=${blur_level}" -resize 500.5%)
fi

if "$shot_custom" && [[ $# -gt 0 ]]; then
shot=("$@");
fi
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