mirror of https://github.com/GNOME/gimp.git
62 lines
2.8 KiB
C
62 lines
2.8 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_PYRAMID_H__
|
|
#define __TILE_PYRAMID_H__
|
|
|
|
|
|
/* Creates a new tile pyramid with the specified size for the
|
|
* toplevel. The toplevel size is used to compute the number of
|
|
* levels and their size. Each level is 1/2 the width and height of
|
|
* the level above it.
|
|
*
|
|
* The toplevel is level 0. The smallest level in the hierarchy
|
|
* is "nlevels - 1". That level will be smaller than TILE_WIDTH x
|
|
* TILE_HEIGHT
|
|
*/
|
|
TilePyramid * tile_pyramid_new (GimpImageType type,
|
|
gint width,
|
|
gint height);
|
|
void tile_pyramid_destroy (TilePyramid *pyramid);
|
|
|
|
gint tile_pyramid_get_level (gint width,
|
|
gint height,
|
|
gdouble scale);
|
|
|
|
TileManager * tile_pyramid_get_tiles (TilePyramid *pyramid,
|
|
gint level,
|
|
gboolean *is_premult);
|
|
|
|
void tile_pyramid_invalidate_area (TilePyramid *pyramid,
|
|
gint x,
|
|
gint y,
|
|
gint width,
|
|
gint height);
|
|
|
|
void tile_pyramid_set_validate_proc (TilePyramid *pyramid,
|
|
TileValidateProc proc,
|
|
gpointer user_data);
|
|
|
|
gint tile_pyramid_get_width (const TilePyramid *pyramid);
|
|
gint tile_pyramid_get_height (const TilePyramid *pyramid);
|
|
gint tile_pyramid_get_bpp (const TilePyramid *pyramid);
|
|
|
|
gint64 tile_pyramid_get_memsize (const TilePyramid *pyramid);
|
|
|
|
|
|
#endif /* __TILE_PYRAMID_H__ */
|