gegl r1695 - in trunk: . gegl/buffer

[ok svn gnome org]

Author: ok
Date: 2007-11-12 21:57:39 +0000 (Mon, 12 Nov 2007)
New Revision: 1695
ViewCVS link: http://svn.gnome.org/viewcvs/gegl?rev=1695&view=rev

Modified:
   trunk/ChangeLog
   trunk/gegl/buffer/gegl-buffer-private.h
   trunk/gegl/buffer/gegl-buffer.c
Log:
* gegl/buffer/gegl-buffer-private.h: added minimum and maximum x,y and
z tile indices valid for a buffer.
* gegl/buffer/gegl-buffer.c: (get_tile): check if the currently gotten
tile exceeds the current limits.
(gegl_buffer_init): start out with 0,0,0,0,0 for the tile inidices
extents.
(gegl_buffer_void): avoid sending TILE_VOID messages down the tile bus
unnecesarily.