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/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* gimppixelrgn.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_PIXEL_RGN_H__
#define __GIMP_PIXEL_RGN_H__
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
struct _GimpPixelRgn
{
guchar *data; /* pointer to region data */
GimpDrawable *drawable; /* pointer to drawable */
guint bpp; /* bytes per pixel */
guint rowstride; /* bytes per pixel row */
guint x, y; /* origin */
guint w, h; /* width and height of region */
guint dirty : 1; /* will this region be dirtied? */
guint shadow : 1; /* will this region use the shadow or normal tiles */
guint process_count; /* used internally */
};
void gimp_pixel_rgn_init (GimpPixelRgn *pr,
GimpDrawable *drawable,
gint x,
gint y,
gint width,
gint height,
gint dirty,
gint shadow);
void gimp_pixel_rgn_resize (GimpPixelRgn *pr,
gint x,
gint y,
gint width,
gint height);
void gimp_pixel_rgn_get_pixel (GimpPixelRgn *pr,
guchar *buf,
gint x,
gint y);
void gimp_pixel_rgn_get_row (GimpPixelRgn *pr,
guchar *buf,
gint x,
gint y,
gint width);
void gimp_pixel_rgn_get_col (GimpPixelRgn *pr,
guchar *buf,
gint x,
gint y,
gint height);
void gimp_pixel_rgn_get_rect (GimpPixelRgn *pr,
guchar *buf,
gint x,
gint y,
gint width,
gint height);
void gimp_pixel_rgn_set_pixel (GimpPixelRgn *pr,
const guchar *buf,
gint x,
gint y);
void gimp_pixel_rgn_set_row (GimpPixelRgn *pr,
const guchar *buf,
gint x,
gint y,
gint width);
void gimp_pixel_rgn_set_col (GimpPixelRgn *pr,
const guchar *buf,
gint x,
gint y,
gint height);
void gimp_pixel_rgn_set_rect (GimpPixelRgn *pr,
const guchar *buf,
gint x,
gint y,
gint width,
gint height);
gpointer gimp_pixel_rgns_register (gint nrgns,
...);
gpointer gimp_pixel_rgns_register2 (gint nrgns,
GimpPixelRgn **prs);
gpointer gimp_pixel_rgns_process (gpointer pri_ptr);
G_END_DECLS
#endif /* __GIMP_PIXEL_RGN_H__ */
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