diff options
| -rwxr-xr-x | util/bin/make-realwallpaper | 169 |
1 files changed, 126 insertions, 43 deletions
diff --git a/util/bin/make-realwallpaper b/util/bin/make-realwallpaper index d8b702f6..2406372e 100755 --- a/util/bin/make-realwallpaper +++ b/util/bin/make-realwallpaper @@ -5,50 +5,133 @@ set -euf #run in new directory(will be polluted with images #just run ./make-realwallpaper -curl -sSz Nightmap_bare.jpg http://awka.sourceforge.net/Night_le_huge.jpg -o Nightmap_bare.jpg & -curl -sSz Daymap_bare.png http://www.nnvl.noaa.gov/images/globaldata/SnowIceCover_Daily.png -o Daymap_bare.png & -curl -sSz Clouds.jpg http://user.chol.com/~winxplanet/cloud_data/clouds_2048.jpg -o Clouds.jpg & -wait - -if ! file -ib Nightmap_bare.jpg|grep -q ^image/; then - rm Nightmap_bare.jpg - exit 1 -fi -if ! file -ib Daymap_bare.png|grep -q ^image/; then - rm Daymap_bare.png - exit 1 -fi -if ! file -ib Clouds.jpg|grep -q ^image/; then - rm Clouds.jpg - exit 1 -fi - -#resize the Daymap -convert Daymap_bare.png -scale 4000x2000 Daymap.png -#convert Daymap to a snow only alphamap -convert Daymap.png -threshold '95%' Daymap_snowmask.png - -#create a full snowmap in the nightcolor -convert Daymap.png -fill '#0a3b5c' -colorize '100%' Nightmap_fullsnow.png -#get nightlights out of Nightmap_bare -convert Nightmap_bare.jpg -threshold '25%' -transparent '#000000' Nightmap_lightmask.png -#composite Snowmask and Fullsnow to Nightmap_snowlayer -convert Nightmap_fullsnow.png Daymap_snowmask.png -alpha off -compose copy_opacity -composite Nightmap_snowlayer.png -#cut out the lights in Nightmap_lightmask and put them in Nightmap_lightlayer -convert Nightmap_bare.jpg Nightmap_lightmask.png -alpha off -compose copy_opacity -composite Nightmap_lightlayer.png - -#Composite the Nightmap_snowlayer and the Nightmap_lightlayer with the Nightmap -composite Nightmap_lightlayer.png Nightmap_snowlayer.png Nightmap_lightsnowlayer.png -composite Nightmap_lightsnowlayer.png Nightmap_bare.jpg Nightmap.png - -#write the xplanet-configfile -cat > xplanet-config << EOF +main() { + # fetch source images in parallel + fetch nightmap.jpg \ + http://awka.sourceforge.net/Night_le_huge.jpg & + fetch daymap.png \ + http://www.nnvl.noaa.gov/images/globaldata/SnowIceCover_Daily.png & + fetch cloud-layer.jpg \ + http://user.chol.com/~winxplanet/cloud_data/clouds_2048.jpg & + wait + + check_type nightmap.jpg image + check_type daymap.png image + check_type cloud-layer.jpg image + + # downscale daymap to match nightmap + needs_rebuild daymap-final.png \ + daymap.png \ + && convert daymap.png -scale $(image_size nightmap.jpg) daymap-final.png + + # create nightmap-fullsnow + needs_rebuild nightmap-fullsnow.png \ + && convert \ + -size $(image_size nightmap.jpg) \ + 'xc:#0a3b5c' nightmap-fullsnow.png + + # extract daymap-snowmask from daymap-fonal + needs_rebuild daymap-snowmask.png \ + daymap-final.png \ + && convert daymap-final.png -threshold 95% daymap-snowmask.png + + # extract nightmap-lightmask from nightmap + needs_rebuild nightmap-lightmask.png \ + nightmap.jpg \ + && convert nightmap.jpg -threshold 25% nightmap-lightmask.png + + # create layers + make_layer nightmap-snowlayer.png nightmap-fullsnow.png daymap-snowmask.png + make_layer nightmap-lightlayer.png nightmap.jpg nightmap-lightmask.png + + # apply layers + flatten nightmap-lightsnowlayer.png \ + nightmap-lightlayer.png \ + nightmap-snowlayer.png + + flatten nightmap-final.png \ + nightmap-lightsnowlayer.png \ + nightmap.jpg + + # create xplanet output + needs_rebuild xplanet.config \ + && cat >xplanet.config <<EOF [earth] "Earth" -map=Daymap.png -night_map=Nightmap.png -cloud_map=Clouds.jpg +map=daymap-final.png +night_map=nightmap-final.png +cloud_map=cloud-layer.jpg EOF + needs_rebuild xplanet-output.png \ + daymap-final.png \ + nightmap-final.png \ + cloud-layer.jpg \ + && xplanet --num_times 1 --geometry 1466x1200 \ + --output xplanet-output.png --projection merc -config xplanet.config + + # trim xplanet output + needs_rebuild realwallpaper.png \ + xplanet-output.png \ + && convert xplanet-output.png -crop 1366x768+100+160 realwallpaper.png +} + +# usage: getimg FILENAME URL +fetch() { + echo "fetch $1" + curl -sS -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 + (exit $result) +} + -xplanet --num_times 1 --geometry 1466x1200 --output xplanet-output.jpg --projection merc -config xplanet-config -convert xplanet-output.jpg -crop 1366x768+100+160 realwallpaper.png +main "$@" |