From afe4dc5e12d0eb99dcae4ae320c48bdbd7f5a8c2 Mon Sep 17 00:00:00 2001
From: spinach <19keegandeppe@gmail.com>
Date: Sun, 29 Jan 2023 22:37:40 -0500
Subject: [PATCH] much faster blur

---
 Makefile                 |  13 +++++
 i3lock-blur              |  44 +++++++++++++++++
 i3lock-fancy-dualmonitor | 100 ---------------------------------------
 lock.sh                  |   8 ----
 res                      |  26 ----------
 5 files changed, 57 insertions(+), 134 deletions(-)
 create mode 100644 Makefile
 create mode 100755 i3lock-blur
 delete mode 100755 i3lock-fancy-dualmonitor
 delete mode 100755 lock.sh
 delete mode 100755 res

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..7abdc8b
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,13 @@
+PREFIX = $(HOME)/.local
+
+.PHONY: install
+install:
+	mkdir -p $(PREFIX)/share/i3lock-blur
+	mkdir -p $(PREFIX)/bin
+	cp i3lock-blur $(PREFIX)/bin/
+	cp lock.png $(PREFIX)/share/i3lock-blur/
+
+.PHONY: uninstall
+uninstall: 
+	rm -f $(PREFIX)/bin/i3lock-blur
+	rm -rf $(PREFIX)/share/i3lock-blur
diff --git a/i3lock-blur b/i3lock-blur
new file mode 100755
index 0000000..2f5e5ba
--- /dev/null
+++ b/i3lock-blur
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+LOCK_ICON="$HOME/.local/share/i3lock-blur/lock.png"
+IMAGE=$(mktemp --suffix=.png)
+TMP_IMAGE=$(mktemp --suffix=.png)
+
+RES=$(xdpyinfo | awk '/dimensions/{print $2}')
+
+# initial blurred screen
+ffmpeg -f x11grab \
+    -video_size $RES \
+    -y -i $DISPLAY \
+    -filter_complex "boxblur=5:1" \
+    -vframes 1 $IMAGE \
+    -loglevel quiet
+
+# inserting a lock in the center of each display
+while read LINE
+do
+    if [[ "$LINE" =~ ([0-9]+)x([0-9]+)\+([0-9]+)\+([0-9]+) ]]; then
+        # matched connected display, copying into temp image
+        cp $IMAGE $TMP_IMAGE
+
+        # BASH_REMATCH is ... H_RES V_RES X_offset Y_offset
+        # finding midpoint of display + offset - lock dims
+        MIDXi=$((${BASH_REMATCH[1]} / 2 + ${BASH_REMATCH[3]} - 30))
+        MIDYi=$((${BASH_REMATCH[2]} / 2 + ${BASH_REMATCH[4]} - 30))
+
+        # inserting lock into center of the display on the image
+        ffmpeg -y \
+            -i $TMP_IMAGE \
+            -i $LOCK_ICON \
+            -filter_complex "overlay=$MIDXi:$MIDYi" \
+            -vframes 1 $IMAGE \
+            -loglevel quiet
+
+    fi
+done <<<"$(xrandr)"
+
+
+i3lock -n -i "$IMAGE"
+
+# clean up
+rm $IMAGE $TMP_IMAGE
diff --git a/i3lock-fancy-dualmonitor b/i3lock-fancy-dualmonitor
deleted file mode 100755
index f28e58e..0000000
--- a/i3lock-fancy-dualmonitor
+++ /dev/null
@@ -1,100 +0,0 @@
-#!/usr/bin/env bash
-# Author: Dolores Portalatin <hello@doloresportalatin.info>
-# Dependencies: imagemagick, i3lock-color-git, scrot
-set -o errexit -o noclobber -o nounset
-
-HUE=(-level 0%,100%,0.6)
-EFFECT=(-filter Gaussian -resize 20% -define filter:sigma=1.5 -resize 500.5%)
-# default system sans-serif font
-FONT="$(convert -list font | awk "{ a[NR] = \$2 } /family: $(fc-match sans -f "%{family}\n")/ { print a[NR-1]; exit }")"
-#IMAGE="$(mktemp).png"
-IMAGE=$(mktemp --suffix=.png)
-SHOT=(import -silent -window root)
-DM=$(xdpyinfo | awk '/^  dimensions(.+([0-9]+))/{print $2}')
-
-OPTIONS="Options:
-    -h, --help   This help menu.
-    -g, --greyscale  Set background to greyscale instead of color.
-    -p, --pixelate   Pixelate the background instead of blur, runs faster.
-    -f <fontname>, --font <fontname>  Set a custom font. Type 'convert -list font' in a terminal to get a list."
-
-# move pipefail down as for some reason "convert -list font" returns 1
-set -o pipefail
-trap 'rm -f "$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=$2 ; shift 2 ;;
-            esac ;;
-        --) shift ; break ;;
-        *) echo "error" ; exit 1 ;;
-    esac
-done
-
-# l10n support
-TEXT="Type password to unlock"
-case "${LANG:-}" in
-    de_* ) TEXT="Bitte Passwort eingeben" ;; # Deutsch
-    da_* ) TEXT="Indtast adgangskode" ;; # Danish
-    en_* ) TEXT="Type password to unlock" ;; # English
-    es_* ) TEXT="Ingrese su contraseña" ;; # Española
-    fr_* ) TEXT="Entrez votre mot de passe" ;; # Français
-    he_* ) TEXT="הליענה לטבל המסיס דלקה" ;; # Hebrew עברית (convert doesn't play bidi well)
-    id_* ) TEXT="Masukkan kata sandi Anda" ;; # Bahasa Indonesia
-    it_* ) TEXT="Inserisci la password" ;; # Italian
-    ja_* ) TEXT="パスワードを入力してください" ;; # Japanese
-    lv_* ) TEXT="Ievadi paroli" ;; # Latvian
-    pl_* ) TEXT="Podaj hasło" ;; # Polish
-    pt_* ) TEXT="Digite a senha para desbloquear" ;; # Português
-    ru_* ) TEXT="Введите пароль" ;; # Russian
-    * ) TEXT="Type password to unlock" ;; # Default to English
-esac
-
-#scrot -z "$IMAGE"
-command -- "${SHOT[@]}" "$IMAGE"
-
-ICON="/usr/share/i3lock-fancy-dualmonitor/lock.png"
-PARAM=("--insidecolor=0000001c" "--ringcolor=0000003e" \
-    "--linecolor=00000000" "--keyhlcolor=ffffff80" "--ringvercolor=ffffff00" \
-    "--separatorcolor=22222260" "--insidevercolor=ffffff1c" \
-    "--ringwrongcolor=ffffff55" "--insidewrongcolor=ffffff1c" \
-    "--verifcolor=ffffff00" "--wrongcolor=ff000000" "--timecolor=ffffff00" \
-    "--datecolor=ffffff00" "--layoutcolor=ffffff00")
-
-LOCK=()
-while read LINE
-do
-    if [[ "$LINE" =~ ([0-9]+)x([0-9]+)\+([0-9]+)\+([0-9]+) ]]; then
-        W=${BASH_REMATCH[1]}
-        H=${BASH_REMATCH[2]}
-        Xoff=${BASH_REMATCH[3]}
-        Yoff=${BASH_REMATCH[4]}
-        MIDXi=$(($W / 2 + $Xoff - 60  / 2))
-        MIDYi=$(($H / 2 + $Yoff - 60  / 2))
-        MIDXt=$(($W / 2 + $Xoff - 285 / 2))
-        MIDYt=$(($H / 2 + $Yoff + 320 / 2))
-        MIDXts=$(($MIDXt + 2))
-        MIDYts=$(($MIDYt + 2))
-        LOCK+=(\( -size $DM xc:none -font $FONT -pointsize 26 -fill black -annotate +$MIDXts+$MIDYts "$TEXT" -blur 0x2 \
-               -fill black -annotate +$MIDXts+$MIDYts "$TEXT" -blur 0x1 -fill white -annotate +$MIDXt+$MIDYt "$TEXT" \) \
-               -flatten \
-               $ICON -geometry +$MIDXi+$MIDYi -composite)
-    fi
-done <<<"$(xrandr)"
-
-convert "$IMAGE" "${HUE[@]}" "${EFFECT[@]}" "${LOCK[@]}" "$IMAGE"
-
-# try to use a forked version of i3lock with prepared parameters
-if ! i3lock -n "${PARAM[@]}" -i "$IMAGE" > /dev/null 2>&1; then
-    # We have failed, lets get back to stock one
-    i3lock -n -i "$IMAGE"
-fi
diff --git a/lock.sh b/lock.sh
deleted file mode 100755
index 635a443..0000000
--- a/lock.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-TMPBG=/tmp/screen.png
-LOCK=$HOME/lock.png
-RES=$(xrandr | grep 'current' | sed -E 's/.*current\s([0-9]+)\sx\s([0-9]+).*/\1x\2/')
- 
-ffmpeg -f x11grab -video_size $RES -y -i $DISPLAY -i $LOCK -filter_complex "boxblur=5:1,overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2" -vframes 1 $TMPBG -loglevel quiet
-i3lock -i $TMPBG
-rm $TMPBG
diff --git a/res b/res
deleted file mode 100755
index a318395..0000000
--- a/res
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env bash
-
-SR="$(xrandr -q | grep ' connected ' | grep -o '[0-9]*x[0-9]*+[0-9]*+[0-9]*')"
-
-for RES in $SR; do
-    W="$(awk -F '[x+]' '{print $1}' <<< "$RES")"
-    H="$(awk -F '[x+]' '{print $2}' <<< "$RES")"
-    Xoff="$(awk -F '[x+]' '{print $3}' <<< "$RES")"
-    Yoff="$(awk -F '[x+]' '{print $4}' <<< "$RES")"
-    MIDX=$(($W / 2 + $Xoff - 60  / 2))
-    MIDY=$(($H / 2 + $Yoff - 60  / 2))
-    printf "X: $W\nY: $H\nX-offset: $Xoff\nY-offset: $Yoff\nmiddlex: $MIDX\nmiddley: $MIDY\n"
-done
-
-while read LINE
-do
-    if [[ "$LINE" =~ ([0-9]+)x([0-9]+)\+([0-9]+)\+([0-9]+) ]]; then
-        W=${BASH_REMATCH[1]}
-        H=${BASH_REMATCH[2]}
-        Xoff=${BASH_REMATCH[3]}
-        Yoff=${BASH_REMATCH[4]}
-        MIDX=$(($W / 2 + $Xoff - 60  / 2))
-        MIDY=$(($H / 2 + $Yoff - 60  / 2))
-        printf "X: $W\nY: $H\nX-offset: $Xoff\nY-offset: $Yoff\nmiddlex: $MIDX\nmiddley: $MIDY\n"
-    fi
-done <<<"$(xrandr)"