made the start of a lua script that is very fast

Resolves #35

README.md

@@ -1,61 +1,13 @@
-i3lock-fancy
-============
-
-This is an i3lock bash script that takes a screenshot of the desktop, blurs the background and adds a lock icon and text
-
-website: [github pages website](http://meskarune.github.io/i3lock-fancy/)
-
-![screen shot of lockscreen](https://raw.githubusercontent.com/meskarune/i3lock-fancy/master/screenshot.png)
-
 Dependancies
 ------------
-* <s>[i3lock-color-git](https://github.com/eBrnd/i3lock-color)</s>
-* [i3lock-color-git](https://github.com/Arcaena/i3lock-color) - this is a fork of i3lock-color that is kept up to date with i3lock
+* [i3lock-color-git](https://github.com/Arcaena/i3lock-color)
 * imagemagick
-* scrot
-* bash
-* awk
-* utils-linux
+* lua
+* Bitter Font (or change the font in the file, I will add font detection laters)
 
-Installation
-------------
-Arch Linux Package: https://aur.archlinux.org/packages/i3lock-fancy-git/
+Install
+-------
 
-git clone the repository and copy lock, lock.png and lockdark.png to
-"/usr/local/bin"
+Move lock.png into /usr/share/i3lock-fancy-dualmonitors
 
-Usage
------
-
-    lock [options]
-
-    Options:
-        -h, --help   This help menu.
-        -g, --greyscale  Set background to greyscale instead of color.
-        -p, --pixelate   Pixelate the background instead of blur, runs faster.
-        -f <fontname>, --font <fontname>  Set a custom font. Type 'convert -list font' in a terminal to get a list.
-
-example: ```lock -gpf Comic-Sans-MS```
-
-Extras
-------
-
-The lock screen in action:
-
-![lockscreen animation](https://raw.githubusercontent.com/meskarune/i3lock-fancy/master/action.gif)
-
-Use this with xautolock to automatically lock the screen after a set time.
-
-Systemd Unit file (edit for your own use):
-
-    [Unit]
-    Description=Lock the screen automatically after a timeout
-    
-    [Service]
-    Type=simple
-    User=meskarune
-    Environment=DISPLAY=:0
-    ExecStart=/usr/bin/xautolock -time 5 -locker /usr/local/bin/lock/lock -detectsleep
-    
-    [Install]
-    WantedBy=graphical.target
+run `lua fast-blur.lua`

fast-blur.lua

@@ -0,0 +1,40 @@
+#!/usr/bin/env lua
+
+function os.capture(cmd)
+    -- run a program in a seperate process and return the output as a string
+    local file = assert(io.popen(cmd, 'r'))
+    local string = assert(file:read('*a'))
+    file:close()
+    return string
+end
+
+displays = os.capture('/usr/bin/xrandr')
+
+current = string.match(displays, 'current%s(%d+%sx%s%d+)')
+
+resolution = string.gsub(current, '%s+', '')
+
+lock = ""
+
+for result in string.gmatch(displays, 'connected.-(%d+x%d+[%+%-]%d+[%+%-]%d+)') do
+    local width = string.match(result, '(%d+)x%d+')
+    local height = string.match(result, '%d+x(%d+)')
+    local Xoffset = string.match(result, '[%+%-](%d+)[%+%-]%d+')
+    local Yoffset = string.match(result, '[%+%-]%d+[%+%-](%d+)')
+    local centerX = (width / 2 + Xoffset)
+    local centerY = (height / 2 + Yoffset)
+    local MIDXi = (centerX - 30)
+    local MIDYi = (centerY - 30)
+    local MIDXt = (centerX - 142.5)
+    local MIDYt = (centerY + 160)
+    local magic = "-font Bitter -pointsize 26 -fill white -annotate +%g+%g 'Type password to unlock' /usr/share/i3lock-fancy-dualmonitor/lock.png -geometry +%g+%g -composite "
+    lock = lock .. string.format(magic, MIDXt, MIDYt, MIDXi, MIDYi)
+end
+
+image = string.format("%s.png", os.tmpname())
+
+makebackground = string.format("convert -size %s xc:'rgba(0, 0, 0, 0.2)' %s %s", resolution, lock, image)
+i3lock = string.format("i3lock -i %s --blur 5", image)
+
+os.execute(makebackground)
+os.execute(i3lock)

lock

@@ -1,81 +0,0 @@
-#!/usr/bin/env bash
-# Author: Dolores Portalatin <hello@doloresportalatin.info>
-# Dependencies: imagemagick, i3lock-color-git, scrot
-set -o errexit -o noclobber -o nounset
-
-HUE=(-level 0%,100%,0.6)
-EFFECT=(-filter Gaussian -resize 20% -define filter:sigma=1.5 -resize 500.5%)
-# 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).png"
-
-OPTIONS="Options:
-    -h, --help   This help menu.
-    -g, --greyscale  Set background to greyscale instead of color.
-    -p, --pixelate   Pixelate the background instead of blur, runs faster.
-    -f <fontname>, --font <fontname>  Set a custom font. Type 'convert -list font' in a terminal to get a list."
-
-# move pipefail down as for some reason "convert -list font" returns 1
-set -o pipefail
-trap 'rm -f "$IMAGE"' EXIT
-TEMP="$(getopt -o :hpgf: -l help,pixelate,greyscale,font: --name "$0" -- "$@")"
-eval set -- "$TEMP"
-
-while true ; do
-    case "$1" in
-        -h|--help)
-            printf "Usage: $(basename $0) [options]\n\n$OPTIONS\n\n" ; exit 1 ;;
-        -g|--greyscale) HUE=(-level 0%,100%,0.6 -set colorspace Gray -separate -average) ; shift ;;
-        -p|--pixelate) EFFECT=(-scale 10% -scale 1000%) ; shift ;;
-        -f|--font)
-            case "$2" in
-                "") shift 2 ;;
-                *) FONT=$2 ; shift 2 ;;
-            esac ;;
-        --) shift ; break ;;
-        *) echo "error" ; exit 1 ;;
-    esac
-done
-
-# get path where the script is located to find the lock icon
-SCRIPTPATH=$(realpath "$0")
-SCRIPTPATH=${SCRIPTPATH%/*}
-
-# l10n support
-TEXT="Type password to unlock"
-case "$LANG" in
-    de_* ) TEXT="Bitte Passwort eingeben" ;; # Deutsch
-    en_* ) TEXT="Type password to unlock" ;; # English
-    es_* ) TEXT="Ingrese su contraseña" ;; # Española
-    fr_* ) TEXT="Entrez votre mot de passe" ;; # Français
-    pl_* ) TEXT="Podaj hasło" ;; # Polish
-esac
-
-VALUE="60" #brightness value to compare to
-scrot -z "$IMAGE"
-COLOR=$(convert "$IMAGE" -gravity center -crop 100x100+0+0 +repage -colorspace hsb \
-    -resize 1x1 txt:- | awk -F '[%$]' 'NR==2{gsub(",",""); printf "%.0f\n", $(NF-1)}');
-if [ "$COLOR" -gt "$VALUE" ]; then #white background image and black text
-    BW="black"
-    ICON="$SCRIPTPATH/lockdark.png"
-    PARAM=(--textcolor=00000000 --insidecolor=0000001c --ringcolor=0000003e \
-        --linecolor=00000000 --keyhlcolor=ffffff80 --ringvercolor=ffffff00 \
-        --separatorcolor=22222260 --insidevercolor=ffffff1c \
-        --ringwrongcolor=ffffff55 --insidewrongcolor=ffffff1c)
-else #black
-    BW="white"
-    ICON="$SCRIPTPATH/lock.png"
-    PARAM=(--textcolor=ffffff00 --insidecolor=ffffff1c --ringcolor=ffffff3e \
-        --linecolor=ffffff00 --keyhlcolor=00000080 --ringvercolor=00000000 \
-        --separatorcolor=22222260 --insidevercolor=0000001c \
-        --ringwrongcolor=00000055 --insidewrongcolor=0000001c)
-fi
-
-convert "$IMAGE" "${HUE[@]}" "${EFFECT[@]}" -font "$FONT" -pointsize 26 -fill "$BW" -gravity center \
-    -annotate +0+160 "$TEXT" "$ICON" -gravity center -composite "$IMAGE"
-
-# try to use a forked version of i3lock with prepared parameters
-if ! i3lock -n "${PARAM[@]}" -i "$IMAGE" > /dev/null 2>&1; then
-    # We have failed, lets get back to stock one
-    i3lock -n -i "$IMAGE"
-fi