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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __TEMP_BUF_H__
#define __TEMP_BUF_H__
typedef struct _temp_buf TempBuf;
typedef struct _temp_buf MaskBuf;
struct _temp_buf
{
int bytes; /* The necessary info */
int width;
int height;
int x, y; /* origin of data source */
int swapped; /* flag indicating whether buf is cached to disk */
char * filename; /* filename of cached information */
unsigned char * data; /* The data buffer */
};
/* The temp buffer functions */
TempBuf * temp_buf_new (int, int, int, int, int, unsigned char *);
TempBuf * temp_buf_copy (TempBuf *, TempBuf *);
TempBuf * temp_buf_resize (TempBuf *, int, int, int, int, int);
TempBuf * temp_buf_copy_area (TempBuf *, TempBuf *, int, int, int, int, int);
void temp_buf_free (TempBuf *);
unsigned char * temp_buf_data (TempBuf *);
/* The mask buffer functions */
MaskBuf * mask_buf_new (int, int);
void mask_buf_free (MaskBuf *);
unsigned char * mask_buf_data (MaskBuf *);
/* The disk caching functions */
void temp_buf_swap (TempBuf *);
void temp_buf_unswap (TempBuf *);
void temp_buf_swap_free (TempBuf *);
/* Called by app_procs:exit to free up the cached undo buffer */
void swapping_free (void);
#endif /* __TEMP_BUF_H__ */
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