73 lines
1.8 KiB
Bash
Executable file
73 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/bash
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logo=$1
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pape=$2
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if [[ -z "$logo" ]] || [[ -z "$pape" ]]; then
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echo $'Usage: ./mepapemaker.sh <logo> <wallpaper>\n\n<logo> is the logo name without the svg file extension.\nFor <wallpaper>, all image formats supported by\nImageMagick are valid targets.'
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exit
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fi
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if [ ! -f "./logo/$logo.svg" ]; then
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echo $'No such logo found.\nCheck the logo directory for available options or add\nyour own <logo>.svg to the directory.'
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exit
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fi
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if [ ! -f "$pape" ]; then
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echo $'Wallpaper not found. Maybe you mistyped?'
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exit
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fi
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# get the width and height of the logo
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lheight=$(magick identify -format "%h" "./logo/$logo.svg")
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lwidth=$(magick identify -format "%w" "./logo/$logo.svg")
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# determine smaller dimension to use for scale
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if [[ "$lheight" -lt "$lwidth" ]]; then
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lscale_val=$lheight
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else
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lscale_val=$lwidth
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fi
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# get the width and height of the wallpaper
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pheight=$(magick identify -format "%h" "$pape")
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pwidth=$(magick identify -format "%w" "$pape")
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# determine smaller dimension to use for scale
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if [[ "$pheight" -lt "$pwidth" ]]; then
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pscale_val=$pheight
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else
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pscale_val=$pwidth
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fi
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# calculate appropriate density to scale the svg
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# 25 is the dimension of either side of the svg
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# 50 is the rough scale of the logo that will be on the final image (in %)
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density=$(awk "BEGIN {print ($pscale_val/($lscale_val+2))*50}")
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# generate a PNG mask from the source svg
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magick \
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-density $density \
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-gravity center \
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./logo/$logo.svg \
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-background white \
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-extent "${pwidth}x${pheight}" \
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-resize 100% \
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tmp_mask.png
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# generate wallpaper name
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outfile_name=${logo}_btw_$(basename "$pape")
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# add arch mask to original image
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magick \
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"$pape" \
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-write-mask "tmp_mask.png" \
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-gravity center \
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-blur 0x30 \
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-attenuate 0.3 \
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+noise Laplacian \
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-evaluate Multiply 1.3 \
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"$outfile_name"
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# delete temporary file
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rm "tmp_mask.png"
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