How to convert a 24 Bit PNG to 3 Bit PNG using Floyd–Steinberg dithering?

Question

How to convert a 24 Bit PNG to 3 Bit PNG using Floyd–Steinberg dithering? java.awt.image.BufferedImage should be used to get and set RGB values.

On wik

Answer 1

You can use JAI: http://java.sun.com/products/java-media/jai/forDevelopers/jai1_0_1guide-unc/Image-manipulation.doc.html