gimp/app/base/temp-buf.h

78 lines
3.2 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 __TEMP_BUF_H__
#define __TEMP_BUF_H__
struct _TempBuf
{
gint bytes; /* number of bytes per pixel (1,2,3 or 4) */
gint width;
gint height;
gint x, y; /* origin of data source */
guchar *data; /* The data buffer. Do never access this field
directly, use temp_buf_get_data() instead !! */
};
/* The temp buffer functions */
TempBuf * temp_buf_new (gint width,
gint height,
gint bytes,
gint x,
gint y,
const guchar *color);
TempBuf * temp_buf_new_check (gint width,
gint height,
GimpCheckType check_type,
GimpCheckSize check_size);
TempBuf * temp_buf_copy (TempBuf *src,
TempBuf *dest);
TempBuf * temp_buf_resize (TempBuf *buf,
gint bytes,
gint x,
gint y,
gint width,
gint height);
TempBuf * temp_buf_scale (TempBuf *buf,
gint width,
gint height) G_GNUC_WARN_UNUSED_RESULT;
TempBuf * temp_buf_copy_area (TempBuf *src,
TempBuf *dest,
gint x,
gint y,
gint width,
gint height,
gint dest_x,
gint dest_y);
void temp_buf_demultiply (TempBuf *buf);
void temp_buf_free (TempBuf *buf);
guchar * temp_buf_get_data (TempBuf *buf);
gsize temp_buf_get_data_size (TempBuf *buf);
guchar * temp_buf_data_clear (TempBuf *buf);
gsize temp_buf_get_memsize (TempBuf *buf);
void temp_buf_dump (TempBuf *buf,
const gchar *filename);
#endif /* __TEMP_BUF_H__ */