b4fc329302
2001-01-02 Daniel Egger <egger@suse.de>
* app/temp_buf.c:
* app/temp_buf.h: Add a new function "temp_buf_data_clear" to
get a nulled chunk of memory.
* app/iscissors.c: Use it here instead of two expensive for
loops. Clean up the source a little.
83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/* 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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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __TEMP_BUF_H__
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#define __TEMP_BUF_H__
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struct _TempBuf
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{
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gint bytes; /* The necessary info */
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gint width;
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gint height;
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gint x, y; /* origin of data source */
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gboolean swapped; /* flag indicating whether buf is cached to disk */
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gchar *filename; /* filename of cached information */
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guchar *data; /* The data buffer */
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};
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/* The temp buffer functions */
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TempBuf * temp_buf_new (gint ,
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gint ,
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gint ,
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gint ,
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gint ,
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guchar *);
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TempBuf * temp_buf_copy (TempBuf *,
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TempBuf *);
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TempBuf * temp_buf_resize (TempBuf *,
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gint ,
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gint ,
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gint ,
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gint ,
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gint );
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TempBuf * temp_buf_copy_area (TempBuf *,
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TempBuf *,
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gint ,
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gint ,
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gint ,
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gint ,
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gint );
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void temp_buf_free (TempBuf *);
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guchar * temp_buf_data (TempBuf *);
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guchar * temp_buf_data_clear (TempBuf *);
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/* The mask buffer functions */
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MaskBuf * mask_buf_new (gint ,
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gint );
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void mask_buf_free (MaskBuf *);
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guchar * mask_buf_data (MaskBuf *);
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/* The disk caching functions */
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void temp_buf_swap (TempBuf *);
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void temp_buf_unswap (TempBuf *);
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void temp_buf_swap_free (TempBuf *);
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/* Called by app_procs:exit() to free up the cached undo buffer */
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void swapping_free (void);
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#endif /* __TEMP_BUF_H__ */
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