diff options
Diffstat (limited to 'krebs/3modules/realwallpaper.nix')
| -rw-r--r-- | krebs/3modules/realwallpaper.nix | 185 |
1 files changed, 1 insertions, 184 deletions
diff --git a/krebs/3modules/realwallpaper.nix b/krebs/3modules/realwallpaper.nix index c09bb008d..a83758ccd 100644 --- a/krebs/3modules/realwallpaper.nix +++ b/krebs/3modules/realwallpaper.nix @@ -77,190 +77,7 @@ let serviceConfig = { Type = "simple"; - ExecStart = pkgs.writeDash "generate-wallpaper" '' - set -euf - - # usage: getimg FILENAME URL - fetch() { - echo "fetch $1" - curl -LsS -z "$1" -o "$1" "$2" - } - - # usage: check_type FILENAME TYPE - check_type() { - if ! file -ib "$1" | grep -q "^$2/"; then - echo "$1 is not of type $2" >&2 - rm "$1" - return 1 - fi - } - - # usage: image_size FILENAME - image_size() { - identify "$1" | awk '{print$3}' - } - - # usage: make_mask DST SRC MASK - make_layer() { - if needs_rebuild "$@"; then - echo "make $1 (apply mask)" >&2 - convert "$2" "$3" -alpha off -compose copy_opacity -composite "$1" - fi - } - - # usage: flatten DST HILAYER LOLAYER - flatten() { - if needs_rebuild "$@"; then - echo "make $1 (flatten)" >&2 - composite "$2" "$3" "$1" - fi - } - - # usage: needs_rebuild DST SRC... - needs_rebuild() { - a="$1" - shift - if ! test -e "$a"; then - #echo " $a does not exist" >&2 - result=0 - else - result=1 - for b; do - if test "$b" -nt "$a"; then - #echo " $b is newer than $a" >&2 - result=0 - fi - done - fi - #case $result in - # 0) echo "$a needs rebuild" >&2;; - #esac - return $result - } - - main() { - cd ${cfg.workingDir} - - # fetch source images in parallel - fetch nightmap-raw.jpg \ - ${cfg.nightmap} & - fetch daymap-raw.png \ - ${cfg.daymap} & - fetch clouds-raw.jpg \ - ${cfg.cloudmap} & - fetch marker.json \ - ${cfg.marker} & - wait - - check_type nightmap-raw.jpg image - check_type daymap-raw.png image - check_type clouds-raw.jpg image - - in_size=2048x1024 - xplanet_out_size=1466x1200 - out_geometry=1366x768+100+160 - - nightsnow_color='#0c1a49' # nightmap - - for raw in \ - nightmap-raw.jpg \ - daymap-raw.png \ - clouds-raw.jpg \ - ; - do - normal=''${raw%-raw.*}.png - if needs_rebuild $normal $raw; then - echo "make $normal; normalize $raw" >&2 - convert $raw -scale $in_size $normal - fi - done - - # create nightmap-fullsnow - if needs_rebuild nightmap-fullsnow.png; then - convert -size $in_size xc:$nightsnow_color nightmap-fullsnow.png - fi - - # extract daymap-snowmask from daymap-final - if needs_rebuild daymap-snowmask.png daymap.png; then - convert daymap.png -threshold 95% daymap-snowmask.png - fi - - # extract nightmap-lightmask from nightmap - if needs_rebuild nightmap-lightmask.png nightmap.png; then - convert nightmap.png -threshold 25% nightmap-lightmask.png - fi - - # create layers - make_layer nightmap-snowlayer.png nightmap-fullsnow.png daymap-snowmask.png - make_layer nightmap-lightlayer.png nightmap.png nightmap-lightmask.png - - # apply layers - flatten nightmap-lightsnowlayer.png \ - nightmap-lightlayer.png \ - nightmap-snowlayer.png - - flatten nightmap-final.png \ - nightmap-lightsnowlayer.png \ - nightmap.png - - # create marker file from json - if [ -s marker.json ]; then - jq -r 'to_entries[] | @json "\(.value.latitude) \(.value.longitude)"' marker.json > marker_file - fi - - # make all unmodified files as final - for normal in \ - daymap.png \ - clouds.png \ - ; - do - final=''${normal%.png}-final.png - needs_rebuild $final && - ln $normal $final - done - - # rebuild every time to update shadow - xplanet --num_times 1 --geometry $xplanet_out_size \ - --output xplanet-output.png --projection merc \ - -config ${pkgs.writeText "xplanet.config" '' - [earth] - "Earth" - map=daymap-final.png - night_map=nightmap-final.png - cloud_map=clouds-final.png - cloud_threshold=10 - shade=15 - ''} - - xplanet --num_times 1 --geometry $xplanet_out_size \ - --output xplanet-krebs-output.png --projection merc \ - -config ${pkgs.writeText "xplanet-krebs.config" '' - [earth] - "Earth" - map=daymap-final.png - night_map=nightmap-final.png - cloud_map=clouds-final.png - cloud_threshold=10 - marker_file=marker_file - shade=15 - ''} - - # trim xplanet output - if needs_rebuild realwallpaper.png xplanet-output.png; then - convert xplanet-output.png -crop $out_geometry \ - realwallpaper-tmp.png - mv realwallpaper-tmp.png realwallpaper.png - fi - - if needs_rebuild realwallpaper-krebs.png xplanet-krebs-output.png; then - convert xplanet-krebs-output.png -crop $out_geometry \ - realwallpaper-krebs-tmp.png - mv realwallpaper-krebs-tmp.png realwallpaper-krebs.png - fi - } - - main "$@" - ''; + ExecStart = "${pkgs.realwallpaper}/bin/generate-wallpaper"; User = "realwallpaper"; }; }; |