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October 1, 2020 20:03
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Preview the title page of a pdf paper with a torn edge using imagemagick
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| test.png: test.pdf | |
| convert -density 300 $<[0] -crop 100x20% -background white -alpha remove -strip -quality 70 test.png | |
| mv test-0.png test.png | |
| rm test-*.png | |
| convert test.png -alpha set -background black -fill white \ | |
| \( +clone -colorize 100 -gravity south -chop 0x6 -splice 0x6 \ | |
| -spread 20 -paint 8 +transparent white -blur 0x0.8 \) \ | |
| -background none -compose dstin -composite torn.png |
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make test.png