fixed preview for zero blur radii (bug #173039).

2005-04-08  Sven Neumann  <sven@gimp.org>

	* plug-ins/common/gauss.c: fixed preview for zero blur radii
	(bug #173039).

ChangeLog

+2005-04-08  Sven Neumann  <neumann@jpk.com>
+
+	* plug-ins/common/gauss.c: fixed preview for zero blur radii
+	(bug #173039).
+
 2005-04-08  Sven Neumann  <sven@gimp.org>
 
 	* app/base/base.c: include libgimpbase/gimpwin32-io.h.

plug-ins/common/gauss.c

@@ -670,7 +670,7 @@ gauss (GimpDrawable *drawable,
     return;
 
   bytes = drawable->bpp;
-  has_alpha = gimp_drawable_has_alpha(drawable->drawable_id);
+  has_alpha = gimp_drawable_has_alpha (drawable->drawable_id);
 
   switch (method)
     {
@@ -870,6 +870,11 @@ gauss (GimpDrawable *drawable,
                            drawable, 0, 0, drawable->width, drawable->height,
                            FALSE, TRUE);
     }
+  else if (preview)
+    {
+      gimp_pixel_rgn_get_rect (&src_rgn,
+                               preview_buffer1, x1, y1, width, height);
+    }
 
   /*  Now the horizontal pass  */
   if (horz > 0.0)
@@ -1040,6 +1045,10 @@ gauss (GimpDrawable *drawable,
             }
         }
     }
+  else if (preview)
+    {
+      memcpy (preview_buffer2, preview_buffer1, width * height * bytes);
+    }
 
   if (preview)
     {