Script to blend background with text from yourworldoftext.com

shoot.sh

#!/usr/bin/env zsh

# Dependencies:
# wget, Xvfb, ImageMagick, Xmonad/awesome/ratpoisen


# Configure path if neccessary
PATH=/home/jos/bin:$PATH

# Original background
BG_FILE="/home/jos/bg.png"

# Temperary directory for intermediate files
TMP_DIR="/var/tmp/ywot"

# Output background with text added
OUT_FILE="${TMP_DIR}/ready.png"


# URL to grab
URL="yourworldoftext.com"
TITLE="Your World of Text"

# Tiling window manager to start inside background X (ratpoisen, awesome, Xmonad, etc.)
WM="/home/jos/bin/xmonad"

# Web browser to open - surf gives good results ;-)
# http://surf.suckless.org/
WEB="/home/jos/bin/surf"

# Screen resolution
RES="1024x768x24"



# Create tmp dir
mkdir -p ${TMP_DIR}

# Got net?
wget ${URL} -O- &> /dev/null || exit 1;

# Start X
Xvfb :2 -screen 0 1024x768x24 -xinerama & pid_x=$!; sleep 1 &&

# Render page and grab screenshot
DISPLAY=:2 ${WM}                    & pid_wm=$!;  sleep  2 &&
DISPLAY=:2 ${WEB} ${URL}            & pid_web=$!; sleep 10 &&
DISPLAY=:2 win_id=`xwininfo -name "${TITLE}" | grep -Eo "0x[0-9a-z]+" | head -n1`;
DISPLAY=:2 import -window ${win_id} ${TMP_DIR}/mask.png

# Kill offspring
kill ${pid_web};
kill ${pid_wm};
kill ${pid_x};

# Preprocess browser shot
mogrify -transparent white -colors 16 -blur 1 -colorspace gray -enhance \
    -resize 1440x ${TMP_DIR}/mask.png &&
# Blend images
composite -compose overlay -gravity northwest ${TMP_DIR}/mask.png ${BG_FILE} ${TMP_DIR}/bg.png &&
mv ${TMP_DIR}/bg.png ${OUT_FILE}