#! /bin/bash
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
script="burn-bc"                                                                                        #
version="burn background creator 0.0.5"                                                                 #
# written by Marc Wernecke                                                                              #
# date: 2007-07-01                                                                                      #
# use: script [-argument value]                                                                         #
# optional arguments are:                                                                               #
# -f | -filter crop                                                                                     #
#              zoom-center|zoom-left|zoom-right|                                                        #
#              zoom-center-16x9|zoom-left-16x9|zoom-right-16x9|letterbox-16x9                           #
#              resize                                                                                   #
#              comp-atop|comp-blend|draw-bigsize|draw-normal|draw-storke|draw-user                      #
#              serial-foto|serial-movie                                                                 #
#              tux                                                                                      #
#              sharpen                                                                                  #
#              depth                                                                                    #
# -i | -image /path/to/image.ext                                                                        #
# -t | -target /path/to/plugins/burn/menu-bg.png                                                        #
# -T | -template /path/to/template.png                                                                  #
# -o | -osd on|off                                                                                      #
# -w | -watermark ?|default|"some text"                                                                 #
# -W | -width 720|768                                                                                   #
# -x | -showfile on|off                                                                                 #
# -d | -dialog                                                                                          #
# -h | -help                                                                                            #
# -v | -version                                                                                         #
#                                                                                                       #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#                                                                                                       #
# defaults:                                                                                             #
FILTER=""                                       # filter1 filter2                                       #
IMAGE=""                                        # /path/file                                            #
INFO="off"                                      # on|off                                                #
OSDMSG="on"                                     # on|off                                                #
TARGET="$HOME/plugins/burn/menu-bg.png"         # /path/file.ext                                        #
TEMPLATE="template.png"                         # /path/file.ext                                        #
WATERMARK="off"                                 # on|off                                                #
WIDTH="768"                                     # 720|768                                               #
WMTEXT="   powered by VDR"                      # "some text"                                           #
SHOWFILE="off"                                  # on|off                                                #
TMPDIR="/tmp"                                   # /path                                                 #
SVDRPSEND="svdrpsend.pl"                        # /path/file.ext                                        #
#                                                                                                       #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
args="$*"
language="deu"

# svdrpsend.pl
TEST=$(which $SVDRPSEND)
if [ ! "$TEST" ]; then
  SVDRPSEND="$(grep "^VDRBINDIR=" /etc/default/vdr | cut -d "=" -f 2 | sed -e 's/\"//g')/svdrpsend.pl"
  if [ ! -x "$SVDRPSEND" ]; then
    echo "svdrpsend.pl not found"
    exit 2
  fi
fi

## FUNCTIONS
function start_action() {
  # target directory
  test "${TARGET:0:1}" = "/"
  if [ "x$?" != "x0" ]; then
    echo "$script: TARGET must be an absolute path ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: TARGET must be an absolute path"
    exit 3
  fi
  targetdir="$(dirname $TARGET)"
  if [ ! -d "$targetdir/$script" ]; then
    mkdir -p "$targetdir/$script"
    if [ ! -d "$targetdir/$script" ]; then
      echo "$script: Could not create $targetdir/$script ..."
      [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: Could not create $targetdir/$script"
      exit 3
    fi
  fi
  
  # temp directory
  test "${TMPDIR:0:1}" = "/"
  if [ "x$?" != "x0" ]; then
    echo "$script: TMPDIR must be an absolute path ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: TMPDIR must be an absolute path"
    exit 4
  fi
  if [ ! -d "$TMPDIR" ]; then
    echo "$script: $TMPDIR not found ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: $TMPDIR not found"
    exit 4
  fi
  tmpdir="$TMPDIR/$$$script"
  mkdir -p "$tmpdir"
  
  # image
  if [ -f "$IMAGE" ]; then
    image=$(basename "$IMAGE")
    convert -extent $(identify -format "%wx%h" "$IMAGE") "$IMAGE" "$tmpdir/$image"
  else
    image="burn-bg_$(date '+%F_%T').jpg"
    IMAGE="$image" # this is for logging only
    $SVDRPSEND grab - 100 $WIDTH 576 | \
    sed -n -e 's/^216-//p' -e '1ibegin-base64 644 -' -e '$a====' | \
    uudecode -o "$tmpdir/$image" # <- was passiert hier bei sed mit dem image?
    BYTES=$(ls -l "$tmpdir/$image" | tr -s " " | cut -d " " -f 5)
    if [ "$BYTES" = "0" ]; then
      echo "$script: Snapshot is empty ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: Snapshot is empty"
      exit 5
    fi
  fi
  
  # check if temp image exists
  if [ ! -f "$tmpdir/$image" ]; then
    echo "$script: Image not found ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: Image not found"
    exit 6
  fi

  # resize temp image to 720x576 if necessary
  f_resize
}

# filter functions
function f_comp() {
  # template.png
  if [ -f "$TEMPLATE" ]; then
    template="$TEMPLATE"
  elif [ -f "$targetdir/$TEMPLATE" ]; then
    template="$targetdir/$TEMPLATE"
  else
    template="$targetdir/template.png"
  fi
  if [ ! -f "$template" ]; then
    echo "$script: $template not found ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: $template not found"
    exit 7
  fi

  if [ "$WATERMARK" = "on" ]; then
    convert -font helvetica -fill black -pointsize 32 -draw "text 250,460 '$WMTEXT'" "$template" "$tmpdir/template.png"
    template="$tmpdir/template.png"
  fi

  case $1 in
    atop)
      composite -gravity center -compose atop -quality 100 "$template" "$tmpdir/$image" "$tmpdir/tmp_$image"
      ;;
    blend)
      image_s=$(identify -format "%wx%h" "$template")
      composite -gravity center -blend $image_s -quality 100 "$template" "$tmpdir/$image" "$tmpdir/tmp_$image"
      ;;
  esac
  cp -f "$tmpdir/tmp_$image" "$tmpdir/$image"
}

function f_crop() {
  array=($(identify -format "%w %h" "$tmpdir/$image"))
  image_w=${array[0]}
  image_h=${array[1]}
  crop_w=$(($image_w / 36))
  crop_h=$(($image_h / 36))
  new_w=$(($image_w - $crop_w * 2))
  new_h=$(($image_h - $crop_h * 2))
  new_s=$(echo "$new_w x $new_h" | sed -e 's/ //g')
  mogrify -crop $new_s+$crop_w+$crop_h "$tmpdir/$image"
  mogrify -extent $new_s "$tmpdir/$image"
}

function f_depth() {
  mogrify -depth 8 "$tmpdir/$image" # 8 or 16
}

function f_draw() {
  template="$tmpdir/template.png"
  # create template.png
  case $1 in
    bigsize)
      convert -size 720x576 xc:transparent -fill "#000000" \
      -stroke "#ffffff" -strokewidth 2 \
      -draw 'rectangle 60,35 660,95' \
      -draw 'rectangle 60,105 660,475' "$tmpdir/tmp.png"
      tux_align="right"
      ;;
    normal)
      convert -size 720x576 xc:transparent -fill "#000000" \
      -draw 'roundRectangle 70,35 650,95 10,10' \
      -draw 'roundRectangle 70,105 550,475 10,10' "$tmpdir/tmp.png"
      ;;
    storke)
      convert -size 720x576 xc:transparent -fill "#000000" \
      -stroke "#ffffff" -strokewidth 2 \
      -draw 'roundRectangle 70,35 650,95 10,10' \
      -draw 'roundRectangle 70,105 550,475 10,10' "$tmpdir/tmp.png"
      ;;
    user)
      convert -size 720x576 xc:transparent -fill "#000000" \
      -stroke "#303030" -strokewidth 5 \
      -draw 'polygon 70,35 650,35 650,95 550,95 550,475 70,475' "$tmpdir/tmp.png"
      ;;
  esac

  # reduce alphachannel about 50% and create the watermark
  if [ "$WATERMARK" = "on" ]; then
    convert -font helvetica -fill "#303030" -pointsize 32 -draw "text 250,460 '$WMTEXT'" -channel Alpha -fx 'u/2.0' "$tmpdir/tmp.png" "$template"
  else
    convert -channel Alpha -fx 'u/2.0' "$tmpdir/tmp.png" "$template"
  fi
  # composite
  composite -gravity center -compose atop -quality 100 "$template" "$tmpdir/$image" "$tmpdir/tmp_$image"
  cp -f "$tmpdir/tmp_$image" "$tmpdir/$image"
}

function f_resize() {
  image_h=$(identify -format "%h" "$tmpdir/$image")
  (($image_h != 576)) && mogrify -resize x576 "$tmpdir/$image"
  image_w=$(identify -format "%w" "$tmpdir/$image")
  if (($image_w > 720)); then
    crop_w=$((($image_w - 720) / 2))
    mogrify -crop 720x576+${crop_w}+0 "$tmpdir/$image"
  elif (($image_w < 720)); then
    mogrify -resize 720 "$tmpdir/$image"
    image_h=$(identify -format "%h" "$tmpdir/$image")
    crop_h=$((($image_h - 576) / 2))
    (($image_h > 576)) && mogrify -crop 720x576+0+$crop_h "$tmpdir/$image"
  fi
  mogrify -extent 720x576 "$tmpdir/$image"
}

function f_serial_foto() {
  aspect="4x3"
  sec=1
  images=""
  x=130
  while [ $sec -le 4 ]; do
    sleep 5
    $SVDRPSEND grab - 100 $WIDTH 576 | \
    sed -n -e 's/^216-//p' -e '1ibegin-base64 644 -' -e '$a====' | \
    uudecode -o "$tmpdir/serial-$sec.jpg"
    BYTES=$(ls -l "$tmpdir/serial-$sec.jpg" | tr -s " " | cut -d " " -f 5)
    if [ "$BYTES" = "0" ]; then
      echo "$script: Snapshot is empty ..."
      [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: Snapshot is empty"
      return 1
    fi
    [ "$WIDTH" = "768" ] && mogrify -crop 720x576+24+0 "$tmpdir/serial-$sec.jpg"

    # autodetect blackbars
    if [ "$aspect" != "16x9" ] && [ ! -f "$tmpdir/blackbar.jpg" ]; then
      cp -f "$tmpdir/serial-$sec.jpg" "$tmpdir/blackbar.jpg"
      mogrify -crop 720x5+0+566 "$tmpdir/blackbar.jpg"
      colors=$(identify -verbose "$tmpdir/blackbar.jpg" | grep Type: | cut -d ":" -f2 | sed -e 's/ //g')
      [ "$colors" = "Grayscale" ] && aspect="16x9"
    fi
    case $aspect in
      4x3)
        mogrify -crop 680x544+20+16 "$tmpdir/serial-$sec.jpg"
        ;;
      16x9)
        mogrify -crop 680x382+20+97 "$tmpdir/serial-$sec.jpg"
        ;;
    esac

    mogrify -resize 90x "$tmpdir/serial-$sec.jpg"
    composite -compose atop -geometry +560+$x -quality 100 "$tmpdir/serial-$sec.jpg" "$tmpdir/$image" "$tmpdir/tmp_$image"
    cp -f "$tmpdir/tmp_$image" "$tmpdir/$image"
    sec=$(($sec+1))
    ((x=$x+82))
  done
  tux_align="center"
}

function f_serial_movie() {
  aspect="4x3"
  sec=1
  images=""
  while [ $sec -le 5 ]; do
    sleep 5
    $SVDRPSEND grab - 100 $WIDTH 576 | \
    sed -n -e 's/^216-//p' -e '1ibegin-base64 644 -' -e '$a====' | \
    uudecode -o "$tmpdir/serial-$sec.jpg"
    BYTES=$(ls -l "$tmpdir/serial-$sec.jpg" | tr -s " " | cut -d " " -f 5)
    if [ "$BYTES" = "0" ]; then
      echo "$script: Snapshot is empty ..."
      [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: Snapshot is empty"
      return 1
    fi
    images="$images $tmpdir/serial-$sec.jpg"
    [ "$WIDTH" = "768" ] && mogrify -crop 720x576+24+0 "$tmpdir/serial-$sec.jpg"
#    mogrify -crop 680x544+20+16 "$tmpdir/serial-$sec.jpg"
    # autodetect blackbars
    if [ "$aspect" != "16x9" ] && [ ! -f "$tmpdir/blackbar.jpg" ]; then
      cp -f "$tmpdir/serial-$sec.jpg" "$tmpdir/blackbar.jpg"
      mogrify -crop 720x5+0+566 "$tmpdir/blackbar.jpg"
      colors=$(identify -verbose "$tmpdir/blackbar.jpg" | grep Type: | cut -d ":" -f2 | sed -e 's/ //g')
      [ "$colors" = "Grayscale" ] && aspect="16x9"
    fi
    case $aspect in
      4x3)
        mogrify -crop 680x544+20+16 "$tmpdir/serial-$sec.jpg"
        ;;
      16x9)
        mogrify -crop 680x382+20+97 "$tmpdir/serial-$sec.jpg"
        ;;
    esac
    sec=$(($sec+1))
  done
  montage -background "#000000" -tile 5x1 -geometry +10+60 -rotate -90 $images "$tmpdir/montage.jpg"
  mogrify -fill "#ffffff" \
  -draw 'rectangle    10,10    50,50' \
  -draw 'rectangle    70,10   110,50' \
  -draw 'rectangle   130,10   170,50' \
  -draw 'rectangle   190,10   230,50' \
  -draw 'rectangle   250,10   290,50' \
  -draw 'rectangle   310,10   350,50' \
  -draw 'rectangle   370,10   410,50' \
  -draw 'rectangle   430,10   470,50' \
  -draw 'rectangle   490,10   530,50' \
  -draw 'rectangle   550,10   590,50' \
  -draw 'rectangle   610,10   650,50' \
  -draw 'rectangle   670,10   710,50' \
  -draw 'rectangle   730,10   770,50' \
  -draw 'rectangle   790,10   830,50' \
  -draw 'rectangle   850,10   890,50' \
  -draw 'rectangle   910,10   950,50' \
  -draw 'rectangle   970,10  1010,50' \
  -draw 'rectangle  1030,10  1070,50' \
  -draw 'rectangle  1090,10  1130,50' \
  -draw 'rectangle  1150,10  1190,50' \
  -draw 'rectangle  1210,10  1250,50' \
  -draw 'rectangle  1270,10  1310,50' \
  -draw 'rectangle  1330,10  1370,50' \
  -draw 'rectangle  1390,10  1430,50' \
  -draw 'rectangle  1450,10  1490,50' \
  -draw 'rectangle  1510,10  1550,50' \
  -draw 'rectangle  1570,10  1610,50' \
  -draw 'rectangle  1630,10  1670,50' \
  -draw 'rectangle  1690,10  1730,50' \
  -draw 'rectangle  1750,10  1790,50' \
  -draw 'rectangle  1810,10  1850,50' \
  -draw 'rectangle  1870,10  1910,50' \
  -draw 'rectangle  1930,10  1970,50' \
  -draw 'rectangle  1990,10  2030,50' \
  -draw 'rectangle  2050,10  2090,50' \
  -draw 'rectangle  2110,10  2150,50' \
  -draw 'rectangle  2170,10  2210,50' \
  -draw 'rectangle  2230,10  2270,50' \
  -draw 'rectangle  2290,10  2330,50' \
  -draw 'rectangle  2350,10  2390,50' \
  -draw 'rectangle  2410,10  2450,50' \
  -draw 'rectangle  2470,10  2510,50' \
  -draw 'rectangle  2530,10  2570,50' \
  -draw 'rectangle  2590,10  2630,50' \
  -draw 'rectangle  2650,10  2690,50' \
  -draw 'rectangle  2710,10  2750,50' \
  -draw 'rectangle  2770,10  2810,50' \
  -draw 'rectangle   10,750   50,790' \
  -draw 'rectangle   70,750  110,790' \
  -draw 'rectangle  130,750  170,790' \
  -draw 'rectangle  190,750  230,790' \
  -draw 'rectangle  250,750  290,790' \
  -draw 'rectangle  310,750  350,790' \
  -draw 'rectangle  370,750  410,790' \
  -draw 'rectangle  430,750  470,790' \
  -draw 'rectangle  490,750  530,790' \
  -draw 'rectangle  550,750  590,790' \
  -draw 'rectangle  610,750  650,790' \
  -draw 'rectangle  670,750  710,790' \
  -draw 'rectangle  730,750  770,790' \
  -draw 'rectangle  790,750  830,790' \
  -draw 'rectangle  850,750  890,790' \
  -draw 'rectangle  910,750  950,790' \
  -draw 'rectangle  970,750 1010,790' \
  -draw 'rectangle 1030,750 1070,790' \
  -draw 'rectangle 1090,750 1130,790' \
  -draw 'rectangle 1150,750 1190,790' \
  -draw 'rectangle 1210,750 1250,790' \
  -draw 'rectangle 1270,750 1310,790' \
  -draw 'rectangle 1330,750 1370,790' \
  -draw 'rectangle 1390,750 1430,790' \
  -draw 'rectangle 1450,750 1490,790' \
  -draw 'rectangle 1510,750 1550,790' \
  -draw 'rectangle 1570,750 1610,790' \
  -draw 'rectangle 1630,750 1670,790' \
  -draw 'rectangle 1690,750 1730,790' \
  -draw 'rectangle 1750,750 1790,790' \
  -draw 'rectangle 1810,750 1850,790' \
  -draw 'rectangle 1870,750 1910,790' \
  -draw 'rectangle 1930,750 1970,790' \
  -draw 'rectangle 1990,750 2030,790' \
  -draw 'rectangle 2050,750 2090,790' \
  -draw 'rectangle 2110,750 2150,790' \
  -draw 'rectangle 2170,750 2210,790' \
  -draw 'rectangle 2230,750 2270,790' \
  -draw 'rectangle 2290,750 2330,790' \
  -draw 'rectangle 2350,750 2390,790' \
  -draw 'rectangle 2410,750 2450,790' \
  -draw 'rectangle 2470,750 2510,790' \
  -draw 'rectangle 2530,750 2570,790' \
  -draw 'rectangle 2590,750 2630,790' \
  -draw 'rectangle 2650,750 2690,790' \
  -draw 'rectangle 2710,750 2750,790' \
  -draw 'rectangle 2770,750 2810,790' \
  "$tmpdir/montage.jpg"
  mogrify -rotate 90 -resize 90x "$tmpdir/montage.jpg"
  composite -compose atop -geometry +560+130 -quality 100 "$tmpdir/montage.jpg" "$tmpdir/$image" "$tmpdir/tmp_$image"
  cp -f "$tmpdir/tmp_$image" "$tmpdir/$image"
  tux_align="center"
}

function f_sharpen() {
  mogrify -unsharp 0 "$tmpdir/$image"
}

function f_tux() {
  # template
  template="$targetdir/tux.png"
  if [ ! -f "$template" ]; then
    echo "$script: $template not found ..."
    [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: $template not found"
    return 1
  fi
  array=($(identify -format "%w %h" "$template"))
  image_w=${array[0]}
  image_h=${array[1]}
  new_w=$((550 - $image_w))
  new_h=$((475 - $image_h))
  [ "$tux_align" = "right" ] && new_w=$((660 - $image_w))
  [ "$WATERMARK" = "on" ] && new_h=$((440 - $image_w))
  tux_align="center"
  convert -channel Alpha -fx 'u/4.0' "$template" "$tmpdir/tmp.png"
  composite -compose atop -geometry +$new_w+$new_h -quality 100 "$tmpdir/tmp.png" "$tmpdir/$image" "$tmpdir/tmp_$image"
  cp -f "$tmpdir/tmp_$image" "$tmpdir/$image"
}

function f_zoom_center() {
  array=($(identify -format "%w %h" "$tmpdir/$image"))
  image_w=${array[0]}
  image_h=${array[1]}
  new_w=$(($image_w * 3 / 4))
  new_h=$(($image_h * 3 / 4))
  crop_w=$((($image_w - $new_w) / 2))
  crop_h=$((($image_h - $new_h) / 2))
  new_s=$(echo "$new_w x $new_h" | sed -e 's/ //g')
  mogrify -crop $new_s+$crop_w+$crop_h "$tmpdir/$image"
  mogrify -extent $new_s "$tmpdir/$image"
}

function f_zoom_left() {
  array=($(identify -format "%w %h" "$tmpdir/$image"))
  image_w=${array[0]}
  image_h=${array[1]}
  new_w=$(($image_w * 3 / 4))
  new_h=$(($image_h * 3 / 4))
  crop_w=0
  crop_h=$((($image_h - $new_h) / 2))
  new_s=$(echo "$new_w x $new_h" | sed -e 's/ //g')
  mogrify -crop $new_s+$crop_w+$crop_h "$tmpdir/$image"
  mogrify -extent $new_s "$tmpdir/$image"
}

function f_zoom_right() {
  array=($(identify -format "%w %h" "$tmpdir/$image"))
  image_w=${array[0]}
  image_h=${array[1]}
  new_w=$(($image_w * 3 / 4))
  new_h=$(($image_h * 3 / 4))
  crop_w=$(($image_w - $new_w))
  crop_h=$((($image_h - $new_h) / 2))
  new_s=$(echo "$new_w x $new_h" | sed -e 's/ //g')
  mogrify -crop $new_s+$crop_w+$crop_h "$tmpdir/$image"
  mogrify -extent $new_s "$tmpdir/$image"
}

function f_zoom_center_16x9() {
  array=($(identify -format "%wx%h %w %h" "$tmpdir/$image"))
  image_s=${array[0]}
  image_w=${array[1]}
  image_h=${array[2]}
  new_w=$(($image_h * 16 / 9))
  crop_w=$((($new_w - $image_w) / 2))
  new_s=$(echo "$new_w x $image_h" | sed -e 's/ //g')
  mogrify -resize $new_s\! -crop $image_s+$crop_w+0 "$tmpdir/$image"
  mogrify -extent $image_s "$tmpdir/$image"
}

function f_zoom_left_16x9() {
  array=($(identify -format "%wx%h %w %h" "$tmpdir/$image"))
  image_s=${array[0]}
  image_w=${array[1]}
  image_h=${array[2]}
  new_w=$(($image_h * 16 / 9))
  crop_w=0
  new_s=$(echo "$new_w x $image_h" | sed -e 's/ //g')
  mogrify -resize $new_s\! -crop $image_s+$crop_w+0 "$tmpdir/$image"
  mogrify -extent $image_s "$tmpdir/$image"
}

function f_zoom_right_16x9() {
  array=($(identify -format "%wx%h %w %h" "$tmpdir/$image"))
  image_s=${array[0]}
  image_w=${array[1]}
  image_h=${array[2]}
  new_w=$(($image_h * 16 / 9))
  crop_w=$(($new_w - $image_w))
  new_s=$(echo "$new_w x $image_h" | sed -e 's/ //g')
  mogrify -resize $new_s\! -crop $image_s+$crop_w+0 "$tmpdir/$image"
  mogrify -extent $image_s "$tmpdir/$image"
}

function f_letterbox_16x9() {
  array=($(identify -format "%wx%h %w %h" "$tmpdir/$image"))
  image_s=${array[0]}
  image_w=${array[1]}
  image_h=${array[2]}
  new_w=$(($image_h * 16 / 9))
  new_h=$(($new_w * 4 / 5))
  (( new_h == 819 )) && new_h=820
  bar=$((($new_h - $image_h) / 2))
  new_h1=$(($image_h + $bar))
  new_h2=$(($image_h + $bar + $bar))
  new_s1=$(echo "$image_w x $new_h1" | sed -e 's/ //g')
  new_s2=$(echo "$image_w x $new_h2" | sed -e 's/ //g')
  mogrify -rotate 180 -extent $new_s1 -rotate 180 -extent $new_s2 -resize $image_s\! "$tmpdir/$image"
}

function filter_select() {
  for f in $FILTER; do
    case $f in
      comp-atop)
        f_comp atop
        ;;
      comp-blend)
        f_comp blend
        ;;
      crop)
        f_crop
        ;;
      depth)
        f_depth
        ;;
      draw-bigsize)
        f_draw bigsize
        ;;
      draw-normal)
        f_draw normal
        ;;
      draw-storke)
        f_draw storke
        ;;
      draw-user)
        f_draw user
        ;;
      resize)
        f_resize
        ;;
      serial-foto)
        f_serial_foto
        ;;
      serial-movie)
        f_serial_movie
        ;;
      sharpen)
        f_sharpen
        ;;
      tux)
        f_tux right
        ;;
      zoom-center)
        f_zoom_center
        ;;
      zoom-left)
        f_zoom_left
        ;;
      zoom-right)
        f_zoom_right
        ;;
      zoom-center-16x9)
        f_zoom_center_16x9
        ;;
      zoom-left-16x9)
        f_zoom_left_16x9
        ;;
      zoom-right-16x9)
        f_zoom_right_16x9
        ;;
      letterbox-16x9)
        f_letterbox_16x9
        ;;
    esac
  done
}

function final_action() {
  # install the new image
  image_name=$(echo "$image" | cut -f1 -d "." - )
  convert -comment "$version" "$tmpdir/$image" "$targetdir/$script/$image_name.png"
  ln -fs "$targetdir/$script/$image_name.png" "$TARGET"
  
  # clean up
  rm -rf "$tmpdir"
  
  # messages
  [ "$OSDMSG" = "on" ] && $SVDRPSEND "MESG $script: Image created"
  
  if [ "$INFO" = "on" ]; then
    echo "$script: $(date '+%F %T')"
    echo "image: $IMAGE"
    echo "filter: $FILTER"
    echo -n "target:"; identify -format "%f %wx%h" "$targetdir/$script/$image_name.png"
    echo "template: $template"
    echo "tmpdir: $tmpdir"
  fi
  
  [ "$SHOWFILE" = "on" ] && display "$targetdir/$script/$image_name.png" &
}

## PROG
# arguments
for i in $args; do
  case $1 in
    -showfile|-x)
      shift 1
      SHOWFILE="$1"
      [ "$SHOWFILE" != "on" ] && SHOWFILE="off"
      ;;
    -filter|-f)
      shift 1
      FILTER="$FILTER $1"
      ;;
    -image|-i)
      shift 1
      IMAGE="$1"
      ;;
    -target|-t)
      shift 1
      TARGET="$1"
      ;;
    -template|-T)
      shift 1
      TEMPLATE="$1"
      ;;
    -osd|-o)
      shift 1
      OSDMSG="$1"
      [ "$OSDMSG" != "on" ] && OSDMSG="off"
      ;;
    -watermark|-w)
      shift 1
      [ "$1" != "default" ] && WMTEXT="$1"
      WATERMARK="on"
      ;;
    -width|-W)
      shift 1
      if [ "$1" = "768" ]; then
        WIDTH="768"
      else
        WIDTH="720"
      fi
      ;;
    -dialog|-d)
      use_dialog="true"
      ;;
    -help|-h)
      echo "$script ($version)"
      echo "use: $script [-argument value]"
      echo "optional arguments are:"
      echo "-f | -filter crop"
      echo "-f | -filter zoom-center|zoom-left|zoom-right|zoom-center-16x9|zoom-left-16x9|zoom-right-16x9|letterbox-16x9"
      echo "-f | -filter resize"
      echo "-f | -filter comp-atop|comp-blend|draw-bigsize|draw-normal|draw-storke|draw-user"
      echo "-f | -filter serial-foto|serial-movie"
      echo "-f | -filter tux"
      echo "-f | -filter unsharp"
      echo "-f | -filter depth"
      echo "-i | -image /path/to/image.ext"
      echo "-o | -osd on|off"
      echo "-t | -target /path/to/plugins/burn/menu-bg.png"
      echo "-T | -template /path/to/template.png"
      echo "-w | -watermark ?|default|\"some text\""
      echo "-W | -width 768|720"
      echo "-x | -showfile on|off"
      echo "-d | -dialog"
      echo "-h | -help"
      echo "-v | -version"
      echo ""
      exit 0
      ;;
    -version|-v)
      echo "$script ($version)"
      echo ""
      exit 0
      ;;
  esac
  shift 1
done

# MAIN PROG
if [ ! "$args" ] || [ "$use_dialog" = "true" ]; then # DIALOG
  # filter defaults
  crop="on"
  zoomcenter="off"
  zoomleft="off"
  zoomright="off"
  resize="on"
  drawbigsize="off"
  drawnormal="off"
  drawstorke="off"
  drawuser="off"
  serialfoto="off"
  serialmovie="off"
  tux="off"
  sharpen="off"
  depth="off"
  SHOWFILE="on"
  OSDMSG="off"

  #WATERMARK="on"
  # watermark text input
  if [ "$WMTEXT" = "?" ]; then
    WMTEXT_DEF="   powered by VDR"
    case $language in
      deu) menutext="Text fuer das Wasserzeichen" ;;
      eng) menutext="Text for the watermark" ;;
      fra) menutext="Watermark" ;;
    esac
    TMP_WMTEXT=`Xdialog --left --wrap --title " $version " --inputbox "$menutext" 0 0 "$WMTEXT_DEF" 3>&1 1>&2 2>&3`
    if [ $? = 0 ]; then
      WMTEXT="$TMP_WMTEXT"
    else
      WMTEXT="$WMTEXT_DEF"
    fi
  fi

  # language
  case $language in
    deu)
      # menutext
      menutext="Von den Filtern mit zoom-*, draw-* oder serial-*\nsollte jeweils nur einer ausgewaehlt werden."
      # helptext
      text_crop="Raender abschneiden"
      text_zoomcenter="Zoom auf die Mitte des Bildes"
      text_zoomleft="Zoom auf die linke Seite des Bildes"
      text_zoomright="Zoom auf die rechte Seite des Bildes"
      text_resize="Skaliert das bearbeitete Bild wieder auf 720x576. Dieser Filter muss aktiviert werden, wenn crop oder zoom* benutzt werden"
      text_drawbigsize="Zeichnet zwei grosse, transparente Textfelder mit Rahmen ueber das Bild"
      text_drawnormal="Zeichnet zwei transparente Textfelder mit runde Ecken ueber das Bild"
      text_drawstorke="Zeichnet zwei transparente Textfelder mit runde Ecken und Rahmen ueber das Bild"
      text_drawuser="Zeichnet ueber das Bild"
      text_watermark="Blendet ein Wasserzeichen in das Textfeld. Text: \"$WMTEXT\""
      text_serialfoto="Legt eine Serie von vier verkleinerten Screenshots ueber das Bild"
      text_serialmovie="Montiert eine Serie von fuenf Screenshots zu einem Filmstreifen und legt diesen ueber das Bild"
      text_tux="Blendet einen Tux in das Bild"
      text_sharpen="Leichtes anheben der Bildschaerfe"
      text_depth="Reduziert die Farbtiefe auf 24bpp (damit das Bild mit dem Image-Plugin angezeigt werden kann)"
      text_showfile="Fertiges Bild anzeigen"
      ;;
    eng)
      ;;
    fra)
      ;;
  esac

  while true; do
    options=`Xdialog --item-help --no-tags --left --wrap --separate-output --cancel-label "Exit" --title " $version " \
      --checklist "$menutext" 0 0 17 \
      "1"  "crop"         "$crop"        "$text_crop" \
      "2"  "zoom-center"  "$zoomcenter"  "$text_zoomcenter" \
      "3"  "zoom-left"    "$zoomleft"    "$text_zoomleft" \
      "4"  "zoom-right"   "$zoomright"   "$text_zoomright" \
      "5"  "resize"       "$resize"      "$text_resize" \
      "6"  "draw-bigsize" "$drawbigsize" "$text_drawbigsize" \
      "7"  "draw-normal"  "$drawnormal"  "$text_drawnormal" \
      "8"  "draw-storke"  "$drawstorke"  "$text_drawstorke" \
      "9"  "draw-user"    "$drawuser"    "$text_drawuser" \
      "10" "watermark"    "$WATERMARK"   "$text_watermark" \
      "11" "serial-foto"  "$serialfoto"  "$text_serialfoto" \
      "12" "serial-movie" "$serialmovie" "$text_serialmovie" \
      "13" "tux"          "$tux"         "$text_tux" \
      "14" "sharpen"      "$sharpen"     "$text_sharpen" \
      "15" "depth"        "$depth"       "$text_depth" \
      "16" "showfile"     "$SHOWFILE"    "$text_showfile" 3>&1 1>&2 2>&3`
    [ $? != 0 ] && exit 0

    # settings
    FILTER=""
    crop="off"
    zoomcenter="off"
    zoomleft="off"
    zoomright="off"
    resize="off"
    drawbigsize="off"
    drawnormal="off"
    drawstorke="off"
    drawuser="off"
    serialfoto="off"
    serialmovie="off"
    tux="off"
    sharpen="off"
    depth="off"
    SHOWFILE="off"
    WATERMARK="off"

    for i in $options; do
      case "$i" in
        1)  crop="on";        FILTER="$FILTER crop" ;;
        2)  zoomcenter="on";  FILTER="$FILTER zoom-center" ;;
        3)  zoomleft="on";    FILTER="$FILTER zoom-left" ;;
        4)  zoomright="on";   FILTER="$FILTER zoom-right" ;;
        5)  resize="on";      FILTER="$FILTER resize" ;;
        6)  drawbigsize="on"; FILTER="$FILTER draw-bigsize" ;;
        7)  drawnormal="on";  FILTER="$FILTER draw-normal" ;;
        8)  drawstorke="on";  FILTER="$FILTER draw-storke" ;;
        9)  drawuser="on";    FILTER="$FILTER draw-user" ;;
        10) WATERMARK="on" ;;
        11) serialfoto="on";  FILTER="$FILTER serial-foto" ;;
        12) serialmovie="on"; FILTER="$FILTER serial-movie" ;;
        13) tux="on";         FILTER="$FILTER tux" ;;
        14) sharpen="on";     FILTER="$FILTER sharpen" ;;
        15) depth="on";       FILTER="$FILTER depth" ;;
        16) SHOWFILE="on" ;;
      esac
    done
    # action
    start_action
    # apply filter
    filter_select
    # final
    final_action
  done
else # MAIN PROG
  # action
  start_action
  # apply filter
  filter_select
  # final
  final_action
fi

exit 0