fixed implementations.

2005-07-15  Sven Neumann  <sven@gimp.org>

	* app/paint-funcs/paint-funcs.c (erode_region) (dilate_region):
	fixed implementations.

ChangeLog

+2005-07-15  Sven Neumann  <sven@gimp.org>
+
+	* app/paint-funcs/paint-funcs.c (erode_region) (dilate_region):
+	fixed implementations.
+
+	* app/base/siox.c (create_signature): moved comment to the right place.
+
 2005-07-15  Sven Neumann  <sven@gimp.org>
 
 	* app/widgets/gimpviewrendererpalette.c

app/base/siox.c

@@ -541,9 +541,9 @@ create_signature (lab   *input,
   clusters2 = g_new0 (ArrayList, 1);
 
   stagetwo (centroids,
-            SIOX_DIMS, 0, clusters2, limits, clusters1size, length, 0.1);
+            SIOX_DIMS, 0, clusters2, limits, clusters1size, length,
+            0.1 /* magic constant, see paper by tomasi */);
 
-  /* see paper by tomasi */
   rval = list_to_array (clusters2, returnlength);
 
   free_list (clusters2);

app/paint-funcs/paint-funcs.c

@@ -3414,15 +3414,11 @@ erode_region (PixelRegion *region)
         {
           gint min = 255;
 
-          if (buf[0][x]   < min) min = buf[0][x];
           if (buf[0][x+1] < min) min = buf[0][x+1];
-          if (buf[0][x+2] < min) min = buf[0][x+2];
           if (buf[1][x]   < min) min = buf[1][x];
           if (buf[1][x+1] < min) min = buf[1][x+1];
           if (buf[1][x+2] < min) min = buf[1][x+2];
-          if (buf[2][x]   < min) min = buf[2][x];
           if (buf[2][x+1] < min) min = buf[2][x+1];
-          if (buf[2][x+2] < min) min = buf[2][x+2];
 
           out[x] = min;
         }
@@ -3482,15 +3478,11 @@ dilate_region (PixelRegion *region)
         {
           gint max = 0;
 
-          if (buf[0][x]   < max) max = buf[0][x];
-          if (buf[0][x+1] < max) max = buf[0][x+1];
-          if (buf[0][x+2] < max) max = buf[0][x+2];
-          if (buf[1][x]   < max) max = buf[1][x];
-          if (buf[1][x+1] < max) max = buf[1][x+1];
-          if (buf[1][x+2] < max) max = buf[1][x+2];
-          if (buf[2][x]   < max) max = buf[2][x];
-          if (buf[2][x+1] < max) max = buf[2][x+1];
-          if (buf[2][x+2] < max) max = buf[2][x+2];
+          if (buf[0][x+1] > max) max = buf[0][x+1];
+          if (buf[1][x]   > max) max = buf[1][x];
+          if (buf[1][x+1] > max) max = buf[1][x+1];
+          if (buf[1][x+2] > max) max = buf[1][x+2];
+          if (buf[2][x+1] > max) max = buf[2][x+1];
 
           out[x] = max;
         }