gimptile

struct GimpTile
{
  guint         ewidth;     /* the effective width of the tile */
  guint         eheight;    /* the effective height of the tile */
  guint         bpp;        /* the bytes per pixel (1, 2, 3 or 4 ) */
  guint         tile_num;   /* the number of this tile within the drawable */
  guint16       ref_count;  /* reference count for the tile */
  guint         dirty : 1;  /* is the tile dirty? has it been modified? */
  guint         shadow: 1;  /* is this a shadow tile */
  guchar       *data;       /* the pixel data for the tile */
  GimpDrawable *drawable;   /* the drawable this tile came from */
};

void        gimp_tile_ref                   (GimpTile *tile);

void        gimp_tile_ref_zero              (GimpTile *tile);

void        gimp_tile_unref                 (GimpTile *tile,
                                             gboolean dirty);

void        gimp_tile_flush                 (GimpTile *tile);

void        gimp_tile_cache_size            (gulong kilobytes);

void        gimp_tile_cache_ntiles          (gulong ntiles);

guint       gimp_tile_width                 (void);

guint       gimp_tile_height                (void);