[gegl/gsoc2009-gpu] _GeglBufferIterator: Remove (minorly) useful row and col members

[Jerson Michael Perpetua <jperpetua src gnome org>]

commit 9ee412aef6d39184cd90f1e13bf25157d4d94b5f
Author: Jerson Michael Perpetua <jersonperpetua gmail com>
Date:   Sun Jul 5 06:32:51 2009 +0800

    _GeglBufferIterator: Remove (minorly) useful row and col members
    
    Remove (minorly) useful row and col members to improve code
    readability.

 gegl/buffer/gegl-buffer-iterator.c |   19 ++++---------------
 1 files changed, 4 insertions(+), 15 deletions(-)
---
diff --git a/gegl/buffer/gegl-buffer-iterator.c b/gegl/buffer/gegl-buffer-iterator.c
index 7a2d7c9..3754165 100644
--- a/gegl/buffer/gegl-buffer-iterator.c
+++ b/gegl/buffer/gegl-buffer-iterator.c
@@ -32,7 +32,6 @@
 #include "gegl-tile-storage.h"
 #include "gegl-utils.h"
 
-
 typedef struct _GeglBufferTileIterator
 {
   GeglBuffer      *buffer;
@@ -46,9 +45,6 @@ typedef struct _GeglBufferTileIterator
   gpointer         sub_data;  /* pointer to the subdata as indicated by
                                * subrect
                                */
-  gint             col;       /* the column currently provided for */
-  gint             row;       /* the row currently provided for */
-
   gboolean         write;
   gint             next_col;  /* used internally */
   gint             next_row;  /* used internally */
@@ -141,8 +137,6 @@ gegl_buffer_tile_iterator_init (_GeglBufferTileIterator *i,
   i->roi       = roi;
   i->tile      = NULL;
   i->lock_mode = lock_mode;
-  i->col       = 0;
-  i->row       = 0;
   i->next_row  = 0;
   i->next_col  = 0;
   i->max_size  = i->buffer->tile_storage->tile_width
@@ -214,15 +208,13 @@ gulp:
              }
            }
 
-         i->col = i->next_col;
-         i->row = i->next_row;
-         i->next_col += tile_width - offsetx;
-
-         i->roi2.x      = i->roi.x + i->col;
-         i->roi2.y      = i->roi.y + i->row;
+         i->roi2.x      = i->roi.x + i->next_col;
+         i->roi2.y      = i->roi.y + i->next_row;
          i->roi2.width  = i->subrect.width;
          i->roi2.height = i->subrect.height;
 
+         i->next_col += tile_width - offsetx;
+
          return TRUE;
        }
     }
@@ -231,9 +223,6 @@ gulp:
       gint tiledy;
       gint offsety;
 
-      i->row = i->next_row;
-      i->col = i->next_col;
-
       tiledy = buffer_y + i->next_row;
       offsety = gegl_tile_offset (tiledy, tile_height);