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Added PDF 'scan' script

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Jan Jastrow 2022-04-19 17:48:35 +02:00
parent 52d9fc29d3
commit 275476066f
1 changed files with 9 additions and 0 deletions
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zsh/scripts
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@ -38,3 +38,12 @@ function png2web() {
function jpeg1024() { function jpeg1024() {
magick "$1" -resize '1024x1024\>' -background black -flatten TGA:- | cjpeg -targo -quality 75 -optimize -progressive -outfile $1.jpg magick "$1" -resize '1024x1024\>' -background black -flatten TGA:- | cjpeg -targo -quality 75 -optimize -progressive -outfile $1.jpg
} }
# Make PDFs look like scanned
# src: https://gist.github.com/andyrbell/25c8632e15d17c83a54602f6acde2724?permalink_comment_id=3295405#gistcomment-3295405
function pdf-like-scanned () {
OUT=$(basename "$1" .pdf)
convert -density 150 "$1" -rotate "$([ $((RANDOM % 2)) -eq 1 ] && echo -)0.$(($RANDOM % 4 + 5))" \
-attenuate 0.4 +noise Multiplicative -attenuate 0.03 +noise Multiplicative -sharpen 0x1.0 \
-colorspace Gray "$OUT"_scanned.pdf
}