capture_framebuffer.sh

#!/bin/bash

FRAMEBUFFER_ID=0
FILE="/usr/hover/bin/scripts/screenshot.jpg"

while getopts ":f:p:n:h" optname
  do
    case "$optname" in
      "f")
        FRAMEBUFFER_ID=$OPTARG
        echo "framebuffer id is $FRAMEBUFFER_ID"
        ;;
      "n")
        FILE=$OPTARG
        echo "file is $FILE"
        ;;
      "?")
        echo "Unknown option $OPTARG"
        ;;
      ":")
        echo "No argument value for option $OPTARG"
        ;;
      "h")
        echo "help"
        ;;
      *)
      # Should not occur
        echo "Unknown error while processing options"
        ;;
    esac
  done

if [ "$(uname)" == "Darwin" ]; then
    # Do something under Mac OS X platform
    echo "Mac"
    `screencapture -t jpg -x $FILE`
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
    # Do something under Linux platform
    export DISPLAY=:$FRAMEBUFFER_ID
    DISPLAY=:$FRAMEBUFFER_ID import -window root $FILE
    echo "Linux"
elif [ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]; then
    # Do something under Windows NT platform
    echo "Window"
fi

start_browser.sh

#!/bin/bash

SIZE="1024,768"

'''if [ "$(uname)" == "Darwin" ]; then
    # Do something under Mac OS X platform
    echo "Mac"
    `/Applications/Chromium.app/Contents/MacOS/Chromium $BROWSER_ARGS $URL`
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
    # Do something under Linux platform
    echo "Linux"
    export DISPLAY=:0
    $BROWSER_PATH $WEBGL_ARGS $BROWSER_ARGS $URL
elif [ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]; then
    # Do something under Windows NT platform
    echo "Windows"
fi'''

BROWSER="chrome"
BROWSER_PATH="/mnt/storage/chromium/out/29.0.1548.1/Release_Prometheus/chrome"
URL="http://get.webgl.org/"

while getopts ":f:u:s:h:" optname
  do
    case "$optname" in
      "f")
        FRAMEBUFFER_ID=$OPTARG
        echo "framebuffer id is $FRAMEBUFFER_ID"
        ;;
      "u")
        URL=$OPTARG
        echo "url is $URL"
        ;;
      "s")
        SIZE=$OPTARG
        echo "size is $SIZE"
        ;;
      "?")
        echo "Unknown option $OPTARG"
        ;;
      ":")
        echo "No argument value for option $OPTARG"
        ;;
      "h")
        echo "help"
        ;;
      *)
      # Should not occur
        echo "Unknown error while processing options"
        ;;
    esac
  done

WEBGL_ARGS="--use-gl=osmesa --enable-webgl --ignore-gpu-blacklist"
#BROWSER_ARGS="--kiosk --window-size=$SIZE"
BROWSER_ARGS="--kiosk"

if [ "$(uname)" == "Darwin" ]; then
    # Do something under Mac OS X platform
    echo "Mac"
    `/Applications/Chromium.app/Contents/MacOS/Chromium $BROWSER_ARGS $URL`
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
    # Do something under Linux platform
    echo "Linux"
    export DISPLAY=:0
    $BROWSER_PATH $WEBGL_ARGS $BROWSER_ARGS $URL
elif [ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]; then
    # Do something under Windows NT platform
    echo "Windows"
fi

Steps.txt

-------------------------
Steps
-------------------------
sudo sh /usr/hover/bin/scripts/xvfb start

bash /usr/hover/bin/scripts/start_browser.sh -f 0 -s 1024,768 -u "http://localhost:3000/building_images/scene?building_id=17&framebuffer_id=0" &

bash /usr/hover/bin/scripts/capture_framebuffer.sh -f 0 -n /usr/hover/bin/scripts/screenshot.jpg
bash /usr/hover/bin/scripts/stop_browser.sh

sudo sh /usr/hover/bin/scripts/xvfb stop




-------------------------
Notes
-------------------------
* Change path on star_browser.sh
  - /mnt/storage/chromium/out/29.0.1548.1/Release_Prometheus/chrome
* Avoid login

stop_browser.sh

#!/bin/bash

if [ "$(uname)" == "Darwin" ]; then
    # Do something under Mac OS X platform
    echo "Mac"
    killall -9 "Chromium"
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
    # Do something under Linux platform
    killall chrome
    echo "Linux"
elif [ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ]; then
    # Do something under Windows NT platform
    echo "Window"
fi

xvfb

#! /bin/bash
# location: /usr/hover/bin/xvfb
# make it executable: chmod 744 /usr/hover/bin/xvfb

BUFFER_ID=0
WIDTH=1024
HEIGHT=768
SIZE=$WIDTH"x"$HEIGHT"x24"

XVFB=/usr/bin/Xvfb
XVFBARGS=":$BUFFER_ID -auth ~/.Xauthority_$BUFFER_ID -screen $BUFFER_ID $SIZE"
PIDFILE=/tmp/xvfb_$BUFFER_ID.pid

case "$1" in
  start)
    echo -n "Starting virtual X frame buffer: Xvfb"
    /sbin/start-stop-daemon --start --quiet --pidfile $PIDFILE --make-pidfile --background --exec $XVFB -- $XVFBARGS
    echo "."
    ;;
  stop)
    echo -n "Stopping virtual X frame buffer: Xvfb"
    /sbin/start-stop-daemon --stop --quiet --pidfile $PIDFILE
    rm -f $PIDFILE
    echo "."
    ;;
  restart)
    $0 stop
    $0 start
    ;;
  *)
  echo "Usage: /usr/hover/bin/xvfb {start|stop|restart}"
  exit 1
esac

exit 0