25cdf35a86
* jajuni.c: add Jarvis-Judice-Ninke dithering. It's a Floyd-Steinberg-like
error diffusion method that has fewer high resolution structural artifacts
at the expense of resolution.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2700 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
b5500986b2
* floydsteinberg.c: minor optimisation in the FStein error propagation.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2699 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
18dd51e1a5
* Dithering algorithms no longer modify the original image.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2670 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
41efcdecc0
* Prefix dithering functions with _dither_ to avoid namespace cluttering.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2666 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
87f8e922ab
* Error diffusion methods now support either raster or serpentine scan.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2656 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
2182fdfdbf
* floydsteinberg.c: perform Floyd-Steinberg dithering on a serpentine path.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2653 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
1408cff41d
* Add Floyd-Steinberg grayscale dithering.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2637 92316355-f0b4-4df1-b90c-862c8a59935f
vor 16 Jahren
sam