Changeset 2656 for libpipi/trunk/examples/dither.cTweet

Timestamp:

08/03/08 13:48:07 (5 years ago)

Author:

sam

Message:

• Error diffusion methods now support either raster or serpentine scan.

File:

• libpipi/trunk/examples/dither.c (modified) (2 diffs)

libpipi/trunk/examples/dither.c

@@ -18 +18 @@
         fprintf(stderr, "Usage: %s <src> <method> <dest>\n", argv[0]);
         fprintf(stderr, "Where <method> is one of:\n");
-        fprintf(stderr, "  1   Floyd-Steinberg (serpentine)\n");
-        fprintf(stderr, "  2   Ostromoukhov (serpentine)\n");
-        fprintf(stderr, "  3   Direct binary search\n");
+        fprintf(stderr, "  1   Floyd-Steinberg (raster)\n");
+        fprintf(stderr, "  2   Floyd-Steinberg (serpentine)\n");
+        fprintf(stderr, "  3   Ostromoukhov (raster)\n");
+        fprintf(stderr, "  4   Ostromoukhov (serpentine)\n");
+        fprintf(stderr, "  5   Direct binary search\n");
         return EXIT_FAILURE;
     }
@@ -31 +33 @@
     switch(atoi(argv[2]))
     {
+        case 5:
+            newimg = pipi_dbs(img); break;
+        case 4:
+            newimg = pipi_ostromoukhov(img, PIPI_SCAN_SERPENTINE); break;
         case 3:
-            newimg = pipi_dbs(img); break;
+            newimg = pipi_ostromoukhov(img, PIPI_SCAN_RASTER); break;
         case 2:
-            newimg = pipi_ostromoukhov(img); break;
+            newimg = pipi_floydsteinberg(img, PIPI_SCAN_SERPENTINE); break;
         case 1:
         default:
-            newimg = pipi_floydsteinberg(img); break;
+            newimg = pipi_floydsteinberg(img, PIPI_SCAN_RASTER); break;
     }