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cmbuckley/rounded.sh

Last active September 21, 2018 16:01
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ImageMagick rounded corners
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rounded.sh
#!/bin/bash
# usage: rounded.sh INFILE RADIUS [OUTFILE]
# if OUTFILE is omitted, outputs to STDOUT
size=$2
convert $1 \( +clone -alpha extract -draw "fill black polygon 0,0 0,$size $size,0 fill white circle $size,$size $size,0" \( +clone -flip \) -compose Multiply -composite \( +clone -flop \) -compose Multiply -composite \) -alpha off -compose CopyOpacity -composite ${3:-png:-}
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