alpha-transparency-gif-maker.sh

convert-to-transparent.gif

## A script to make a series of pngs that uses alpha transparency into an animated gif. 
## Gifs only support 100% transparent or a 100% opaque pixel colors so imagemagick will convert your 80% transparent color into 100%.
## Requires: Imagemagick

# Make all transparency into white pixels.
mogrify -background white -alpha remove *.png

# Convert the white pixels back to transparency.  
for f in *.png
do
	echo "Processing for - $f"
  #  convert $f -white-threshold 90% -transparent white $f
  convert $f -transparent white $f
done


convert -alpha set -delay 1.5 -dispose 2 -loop 0 *.png animated.gif