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Imagemagick thumbnailer
Published: 29-11-2007 | Author: Remy van Elst | Text only version of this article
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Below you'll find the script that makes nice thumbnails from a bunch of images. I've used it on the links page on this website. (Which is not around anymore). First I made screenshots of the website's I wanted, with the firefox add-on screengrab. It also works with pictures, but then you'll have to change the png to jpg in the script. The script also makes a HTML page with a 2 collumn table witth the thumbs in it.
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Make sure you have imagemagick installed:
sudo apt-get install imagemagick
or
sudo pacman -S imagemagick
The script:
#####################################
## Raymii.org Thumbr script ##
## Version 0.2. Just bugfixes... ##
#####################################
#!/bin/bash
NUMMR=1
EXTENSION="jpg";
mkdir work
mkdir -p finished/pics
GALL=./finished/gallery.html
rm -rf $GALL
echo "Made with raymii.orgs gallery thumber" > $GALL
tabhead=" <table border="0" bordercolor="0" >"
tabfeet=" </table >"
echo $tabhead >> $GALL
for i in *.$EXTENSION;
do cp -rf -v "$i" "./work/$NUMMR.$EXTENSION";
convert ./work/$NUMMR.$EXTENSION -auto-orient
-thumbnail 160x160 -unsharp 0x.5 ./work/$NUMMR.w1.png
convert ./work/$NUMMR.w1.png
-bordercolor white -border 6
-bordercolor grey60 -border 1
-bordercolor none -background none
( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )
( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )
( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )
( -clone 0 -rotate `convert null: -format '%[fx:rand()*30-15]' info:` )
-delete 0 -border 100x100 -gravity center
-crop 200x200+0+0 +repage -flatten -trim +repage
-background black ( +clone -shadow 60x4+4+4 ) +swap
-background none -flatten
"./work/$NUMMR.thumb.png"
cp ./work/$NUMMR.thumb.png ./finished/pics/$NUMMR.png
evenline=" <tr > <td > <a href=""><img src="pics/$NUMMR.png" alt=" pic $NUMMR - made by raymii.org script" / > </a></td >"
oddline=" <td > <a href=""><img src="pics/$NUMMR.png" alt=" pic $NUMMR - made by raymii.org script" / > </td > </a></tr >"
slot=$(( $NUMMR % 2 ))
if [ $slot -eq 0 ]
then
echo $oddline >> $GALL
else
echo $evenline >> $GALL
fi
let "NUMMR += 1"
done
echo $tabfeet >> $GALL
rm -rf ./work
exit 0
The thumbing effect was copied from the example pages from imagemagick.
Tags: bash , imagemagick , snippets , thumbnails