4 Commits (b7c2d1f8472111e65e275e98257498f79e2eadf2)

Author SHA1 Message Date
  sam 18dd51e1a5 * Dithering algorithms no longer modify the original image. 17 years ago
  sam 41efcdecc0 * Prefix dithering functions with _dither_ to avoid namespace cluttering. 17 years ago
  sam 87f8e922ab * Error diffusion methods now support either raster or serpentine scan. 17 years ago
  sam 302ce37f8e * ostromoukhov.c: Ostromoukhov's simple error diffusion algorithm. 17 years ago