Changeset 2665

Timestamp:

08/04/08 19:23:38 (5 years ago)

Author:

sam

Message:

• ordered.c: implement Bayer dithering (pretty trivial).

Location:

libpipi/trunk

Files:

• examples/dither.c (modified) (1 diff)
• pipi/Makefile.am (modified) (1 diff)
• pipi/dither/ordered.c (added)
• pipi/pipi.h (modified) (1 diff)

libpipi/trunk/examples/dither.c

@@ -33 +33 @@
     switch(atoi(argv[2]))
     {
+        case 6:
+            newimg = pipi_dbs(img); break;
         case 5:
-            newimg = pipi_dbs(img); break;
+            newimg = pipi_ostromoukhov(img, PIPI_SCAN_SERPENTINE); break;
         case 4:
-            newimg = pipi_ostromoukhov(img, PIPI_SCAN_SERPENTINE); break;
+            newimg = pipi_ostromoukhov(img, PIPI_SCAN_RASTER); break;
         case 3:
-            newimg = pipi_ostromoukhov(img, PIPI_SCAN_RASTER); break;
+            newimg = pipi_floydsteinberg(img, PIPI_SCAN_SERPENTINE); break;
         case 2:
-            newimg = pipi_floydsteinberg(img, PIPI_SCAN_SERPENTINE); break;
+            newimg = pipi_floydsteinberg(img, PIPI_SCAN_RASTER); break;
         case 1:
         default:
-            newimg = pipi_floydsteinberg(img, PIPI_SCAN_RASTER); break;
+            newimg = pipi_dither_ordered(img); break;
     }
 

libpipi/trunk/pipi/Makefile.am

@@ -32 +32 @@
         filter/convolution.c \
         dither/floydsteinberg.c \
+        dither/ordered.c \
         dither/ostromoukhov.c \
         dither/dbs.c \

libpipi/trunk/pipi/pipi.h

@@ -80 +80 @@
 
 extern pipi_image_t *pipi_floydsteinberg(pipi_image_t *, pipi_scan_t);
+extern pipi_image_t *pipi_dither_ordered(pipi_image_t *);
 extern pipi_image_t *pipi_ostromoukhov(pipi_image_t *, pipi_scan_t);
 extern pipi_image_t *pipi_dbs(pipi_image_t *);