1997-11-25 06:05:25 +08:00
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/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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1998-04-13 13:44:11 +08:00
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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1997-11-25 06:05:25 +08:00
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*/
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2000-12-29 23:22:01 +08:00
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1997-11-25 06:05:25 +08:00
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#ifndef __PIXEL_REGION_H__
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#define __PIXEL_REGION_H__
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2001-05-15 19:25:25 +08:00
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1997-11-25 06:05:25 +08:00
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struct _PixelRegion
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{
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2000-06-08 02:43:22 +08:00
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guchar *data; /* pointer to region data */
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TileManager *tiles; /* pointer to tiles */
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Tile *curtile; /* current tile */
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gint offx; /* tile offsets */
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gint offy; /* tile offsets */
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2001-12-03 21:44:59 +08:00
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gint rowstride; /* bytes per pixel row */
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2000-06-08 02:43:22 +08:00
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gint x; /* origin */
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gint y; /* origin */
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2001-12-03 21:44:59 +08:00
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gint w; /* width of region */
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gint h; /* height of region */
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gint bytes; /* bytes per pixel */
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gboolean dirty; /* will this region be dirtied? */
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gint process_count; /* used internally */
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1997-11-25 06:05:25 +08:00
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};
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2000-12-28 10:01:16 +08:00
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struct _PixelRegionHolder
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{
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PixelRegion *PR;
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guchar *original_data;
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gint startx;
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gint starty;
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2001-12-03 21:44:59 +08:00
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gint count;
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2000-12-28 10:01:16 +08:00
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};
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struct _PixelRegionIterator
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{
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GSList *pixel_regions;
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2001-12-03 21:44:59 +08:00
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gint dirty_tiles;
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gint region_width;
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gint region_height;
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gint portion_width;
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gint portion_height;
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gint process_count;
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2000-12-28 10:01:16 +08:00
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};
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1997-11-25 06:05:25 +08:00
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/* PixelRegion functions */
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2000-06-08 02:43:22 +08:00
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2001-08-17 22:27:31 +08:00
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void pixel_region_init (PixelRegion *PR,
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TileManager *tiles,
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gint x,
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gint y,
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gint w,
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gint h,
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gboolean dirty);
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void pixel_region_resize (PixelRegion *PR,
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gint x,
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gint y,
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gint w,
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gint h);
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void pixel_region_get_async (PixelRegion *PR,
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gint ulx,
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gint uly,
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gint lrx,
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gint lry);
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void pixel_region_get_row (PixelRegion *PR,
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gint x,
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gint y,
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gint w,
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guchar *data,
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gint subsample);
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void pixel_region_set_row (PixelRegion *PR,
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gint x,
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gint y,
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gint w,
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guchar *data);
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void pixel_region_get_col (PixelRegion *PR,
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gint x,
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gint y,
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gint h,
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guchar *data,
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gint subsample);
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void pixel_region_set_col (PixelRegion *PR,
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gint x,
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gint y,
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gint h,
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guchar *data);
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gboolean pixel_region_has_alpha (PixelRegion *PR);
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2002-08-22 17:48:56 +08:00
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PixelRegionIterator * pixel_regions_register (gint num_regions,
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...);
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PixelRegionIterator * pixel_regions_process (PixelRegionIterator *PRI);
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void pixel_regions_process_stop (PixelRegionIterator *PRI);
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1997-11-25 06:05:25 +08:00
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1999-08-20 18:06:54 +08:00
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1997-11-25 06:05:25 +08:00
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#endif /* __PIXEL_REGION_H__ */
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