IMAGEMAGICK utils

gistfile1.sh

# Convert a list of pngs to an animated gif.
convert -delay 20 -loop 0 *.png animation.gif

# Resize image
convert image.jpg -resize 150x image_resized.jpg

# Resize and crop to size.
# Note: specify the smallest dimension in -resize.
convert image.jpg -resize x300 -gravity center -crop 400x300+0+0 image_resized_and_cropped.jpg

# Resize jpg in directory
# cd "$dir"
for p in $(ls "$dir"| grep jpg); do
  convert "$p" -resize 150x "$dir"/resized/"$p"
done

# Converts an image so it can be used as the screenshot of a Drupal theme.
function drupal_theme_screenshot {
  convert "$1" -resize x219 -gravity center -crop 294x219+0+0 screenshot.png
}