36438eed8f
Fix headers.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2844 92316355-f0b4-4df1-b90c-862c8a59935f
pirms 16 gadiem
53268650a7
* dbs.c: generate the initial halftone using random dithering instead of
Floyd-Steinberg in order to avoid the energy level getting locally stuck
around error diffusion structure artifacts.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2672 92316355-f0b4-4df1-b90c-862c8a59935f
pirms 16 gadiem
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
pirms 16 gadiem
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
pirms 16 gadiem
a6dcd80490
* dbs.c: optimise DBS by ignoring 16x16 cells that had no pixel changes for
the last two iterations.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2664 92316355-f0b4-4df1-b90c-862c8a59935f
pirms 16 gadiem
2a3c7ca990
* dbs.c: improve the DBS human visual system kernel by adding two Gaussian
kernels.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2663 92316355-f0b4-4df1-b90c-862c8a59935f
pirms 16 gadiem
628c2618da
* dbs.c: new dithering function: Direct Binary Search. One of the best
dithering methods as of today, though extremely slow.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2651 92316355-f0b4-4df1-b90c-862c8a59935f
pirms 16 gadiem
sam