Changeset 2672 for libpipi/trunk/pipi/dither/dbs.cTweet

Timestamp:

Aug 4, 2008, 11:50:02 PM (12 years ago)

Author:

Sam Hocevar

Message:

• 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.

File:

• libpipi/trunk/pipi/dither/dbs.c (modified) (1 diff)

libpipi/trunk/pipi/dither/dbs.c

@@ -77 +77 @@
     tmp1data = (float *)tmp1p->pixels;
 
-    dst = pipi_dither_floydsteinberg(src, PIPI_SCAN_SERPENTINE);
+    dst = pipi_dither_random(src);
     dstp = pipi_getpixels(dst, PIPI_PIXELS_Y_F);
     dstdata = (float *)dstp->pixels;