gimp/app/base/tile-manager.h

154 lines
7.1 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TILE_MANAGER_H__
#define __TILE_MANAGER_H__
#define GIMP_TYPE_TILE_MANAGER (gimp_tile_manager_get_type ())
#define GIMP_VALUE_HOLDS_TILE_MANAGER(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_TILE_MANAGER))
GType gimp_tile_manager_get_type (void) G_GNUC_CONST;
#ifdef GIMP_UNSTABLE
void tile_manager_exit (void);
#endif
/* Creates a new tile manager with the specified size */
TileManager * tile_manager_new (gint width,
gint height,
gint bpp);
/* Ref/Unref a tile manager.
*/
TileManager * tile_manager_ref (TileManager *tm);
void tile_manager_unref (TileManager *tm);
/* Make a copy of the tile manager.
*/
TileManager * tile_manager_duplicate (TileManager *tm);
/* Set the validate procedure for the tile manager. The validate
* procedure is called when an invalid tile is referenced. If the
* procedure is NULL, then the tile is set to valid and its memory is
* allocated, but not initialized.
*/
void tile_manager_set_validate_proc (TileManager *tm,
TileValidateProc proc,
gpointer user_data);
/* Get a specified tile from a tile manager.
*/
Tile * tile_manager_get_tile (TileManager *tm,
gint xpixel,
gint ypixel,
gboolean wantread,
gboolean wantwrite);
/* Get a specified tile from a tile manager.
*/
Tile * tile_manager_get (TileManager *tm,
gint tile_num,
gboolean wantread,
gboolean wantwrite);
Tile * tile_manager_get_at (TileManager *tm,
gint tile_col,
gint tile_row,
gboolean wantread,
gboolean wantwrite);
void tile_manager_map_tile (TileManager *tm,
gint xpixel,
gint ypixel,
Tile *srctile);
void tile_manager_map (TileManager *tm,
gint tile_num,
Tile *srctile);
/* Validate a tiles memory.
*/
void tile_manager_validate_tile (TileManager *tm,
Tile *tile);
void tile_manager_invalidate_area (TileManager *tm,
gint x,
gint y,
gint w,
gint h);
gint tile_manager_width (const TileManager *tm);
gint tile_manager_height (const TileManager *tm);
gint tile_manager_bpp (const TileManager *tm);
gint tile_manager_tiles_per_col (const TileManager *tm);
gint tile_manager_tiles_per_row (const TileManager *tm);
void tile_manager_get_offsets (const TileManager *tm,
gint *x,
gint *y);
void tile_manager_set_offsets (TileManager *tm,
gint x,
gint y);
gint64 tile_manager_get_memsize (const TileManager *tm,
gboolean sparse);
void tile_manager_get_tile_coordinates (TileManager *tm,
Tile *tile,
gint *x,
gint *y);
void tile_manager_get_tile_col_row (TileManager *tm,
Tile *tile,
gint *tile_col,
gint *tile_row);
void tile_manager_map_over_tile (TileManager *tm,
Tile *tile,
Tile *srctile);
void read_pixel_data (TileManager *tm,
gint x1,
gint y1,
gint x2,
gint y2,
guchar *buffer,
guint stride);
void write_pixel_data (TileManager *tm,
gint x1,
gint y1,
gint x2,
gint y2,
const guchar *buffer,
guint stride);
/* Fill buffer with the pixeldata for the pixel at coordinates x,y
* if x,y is outside the area of the tilemanger, nothing is done.
*/
void read_pixel_data_1 (TileManager *tm,
gint x,
gint y,
guchar *buffer);
void write_pixel_data_1 (TileManager *tm,
gint x,
gint y,
const guchar *buffer);
#endif /* __TILE_MANAGER_H__ */