[gegl] buffer: remove unused datamembers

[Ãyvind KolÃs <ok src gnome org>]

commit 72fa4d6d145b4014780dcfb6e4b3def88ce77b38
Author: Ãyvind KolÃs <pippin gimp org>
Date:   Thu Mar 22 22:47:17 2012 +0000

    buffer: remove unused datamembers
    
    The coordinates of tiles fetched with gegl_buffer_get is no longer used since
    voiding buffers is implemented more efficiently now.

 gegl/buffer/gegl-buffer-private.h |    6 ------
 gegl/buffer/gegl-buffer.c         |   19 -------------------
 2 files changed, 0 insertions(+), 25 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-private.h b/gegl/buffer/gegl-buffer-private.h
index 0780c13..5d4b8de 100644
--- a/gegl/buffer/gegl-buffer-private.h
+++ b/gegl/buffer/gegl-buffer-private.h
@@ -57,12 +57,6 @@ struct _GeglBuffer
 
   GeglTileStorage  *tile_storage;
 
-  gint              min_x; /* the extent of tile indices that has been */
-  gint              min_y; /* produced by _get_tile for this buffer */
-  gint              max_x; /* this is used in gegl_buffer_void to narrow */
-  gint              max_y; /* down the tiles kill commands are sent for */
-  gint              max_z;
-
   gint              tile_width;
   gint              tile_height;
   gchar            *path;
diff --git a/gegl/buffer/gegl-buffer.c b/gegl/buffer/gegl-buffer.c
index 2053b3c..339c846 100644
--- a/gegl/buffer/gegl-buffer.c
+++ b/gegl/buffer/gegl-buffer.c
@@ -731,19 +731,6 @@ gegl_buffer_get_tile (GeglTileSource *source,
     {
       GeglBuffer *buffer = GEGL_BUFFER (handler);
 
-      /* XXX: lock buffer? */
-
-      if (x < buffer->min_x)
-        buffer->min_x = x;
-      if (y < buffer->min_y)
-        buffer->min_y = y;
-      if (x > buffer->max_x)
-        buffer->max_x = x;
-      if (y > buffer->max_y)
-        buffer->max_y = y;
-      if (z > buffer->max_z)
-        buffer->max_z = z;
-
       /* storing information in tile, to enable the dispose function of the
        * tile instance to "hook" back to the storage with correct
        * coordinates.
@@ -957,12 +944,6 @@ gegl_buffer_init (GeglBuffer *buffer)
   buffer->format       = NULL;
   buffer->hot_tile     = NULL;
 
-  buffer->min_x = 0;
-  buffer->min_y = 0;
-  buffer->max_x = 0;
-  buffer->max_y = 0;
-  buffer->max_z = 0;
-
   buffer->path = NULL;
   buffer->tile_width = 128;
   buffer->tile_height = 64;