initial commit

6 files changed, 82 insertions, 0 deletions

diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0e9fe95
--- /dev/null
+++ b/.gitmodules
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+[submodule "colors"]
+	path = colors
+	url = git://git.2f30.org/colors
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..773e04c
--- /dev/null
+++ b/Makefile
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+DEPS:=./colors/colors
+
+all: $(DEPS)
+
+clean:
+	$(MAKE) -C colors/ clean
+
+./colors/colors:
+	$(MAKE) -C colors/
+	@echo "install colors or add it to your path!"
diff --git a/README.md b/README.md
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index 0000000..8ac6fcb
--- /dev/null
+++ b/README.md
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+* make wallpapers based on album covers!
+takes most promiment color in album cover, centres cover and sets it as
+wallpaper.
+
+* dependencies
+- X11
+- xwallpaper
+- colors (https://git.2f30.org/colors/)
+- imagemagick
+
+* TODO
+- add dmenu selector of image names
diff --git a/colors b/colors
new file mode 160000
+Subproject 8edb1839c1d2a62fbd1d4447f802997896c2b0c
diff --git a/rand_wall.sh b/rand_wall.sh
new file mode 100755
index 0000000..062d231
--- /dev/null
+++ b/rand_wall.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+# generate a wallpaper using wall_gen.sh using a random image from a directory
+# (including subdirectories; defaults to ~/Pictures/albums if no directory given)
+
+if [ $# -eq 0 ]; then
+  IMG_DIR="$HOME/Pictures/albums"
+else
+  IMG_DIR="$1"
+fi
+wall_gen.sh $(find "$IMG_DIR" -not -path '*/.*' -type f -printf "%p\n" | sort -R | sed -n '1p')
diff --git a/wall_gen.sh b/wall_gen.sh
new file mode 100755
index 0000000..75b9114
--- /dev/null
+++ b/wall_gen.sh
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+#!/bin/sh
+# requires imagemagick and colors (https://git.2f30.org/colors/)
+
+# resolution of wallpaper
+XMAX=1920
+YMAX=1080
+
+if ! [ -f "$1" ]; then
+  printf "ERROR: file not found\n"
+  exit 1
+fi
+
+# get resolution of cover
+RES=$(identify "$1" | awk '{print $3}')
+X=$(echo $RES | awk -F "x" '{print $1}')
+Y=$(echo $RES | awk -F "x" '{print $2}')
+
+X_RES=$(echo "$XMAX"/4 | bc) # x to resize to if x > y
+Y_RES=$(echo "$YMAX"/2 | bc) # y to resize to if y > x should be ~400
+FACT= # factor to change scale by; in %; defined next
+
+# FACT will depend on X if cover is squarish, or on Y if it is more rectangular
+if [ $Y -gt $(echo "scale = 0; $X * 1.1 / 1" | bc) ]; then
+  FACT="$(echo "scale = 2; $Y_RES/$Y * 100 / 1" | bc)%" # divide by 1 forces bc to round
+else
+  FACT="$(echo "scale = 2; $X_RES/$X * 100 / 1" | bc)%" # divide by 1 forces bc to round
+fi
+
+mkdir -p /tmp/wall_gen
+# get name and put .png to automatically convert to png if necessary
+NAME=$(echo "$(basename "$1")" | sed -e 's/.jpg/.png/' -e 's/.jpeg/.png/' -e 's/.gif/.png/')
+magick "$1" -resize "$FACT" /tmp/wall_gen/"$NAME"
+FILE="/tmp/wall_gen/$NAME"
+RES=$(identify "$FILE" | awk '{print $3}')
+X=$(echo "$RES" | awk -F "x" '{print $1}')
+Y=$(echo "$RES" | awk -F "x" '{print $2}')
+
+# get how size of border; divide by 2 as border size is only one side's
+XPLUS=$(echo "(1920-$X)/2" | bc)
+YPLUS=$(echo "(1080-$Y)/2" | bc)
+
+COLOR=$(cat "$FILE" | colors -n 1)
+
+NAME="$(echo $NAME | sed 's/.png//')-wall.png"
+
+magick "$FILE" -bordercolor "$COLOR" -border "$XPLUS"x"$YPLUS" /tmp/wall_gen/$NAME
+xwallpaper --zoom /tmp/wall_gen/$NAME