gimp/libgimp/gimptile.h

62 lines
2.1 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimptile.h
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_TILE_H__
#define __GIMP_TILE_H__
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
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);
/* private function */
void _gimp_tile_cache_flush_drawable (GimpDrawable *drawable) G_GNUC_INTERNAL;
G_END_DECLS
#endif /* __GIMP_TILE_H__ */