mirror of https://github.com/GNOME/gimp.git
137 lines
2.8 KiB
C
137 lines
2.8 KiB
C
/* 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.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h> /* strlen */
|
|
#include <errno.h>
|
|
|
|
#include <glib.h>
|
|
|
|
#include "xcf-write.h"
|
|
|
|
|
|
#include "libgimp/gimpintl.h"
|
|
|
|
guint
|
|
xcf_write_int32 (FILE *fp,
|
|
guint32 *data,
|
|
gint count,
|
|
GError **error)
|
|
{
|
|
GError *tmp_error = NULL;
|
|
guint32 tmp;
|
|
gint i;
|
|
|
|
if (count > 0)
|
|
{
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
tmp = g_htonl (data[i]);
|
|
xcf_write_int8 (fp, (guint8*) &tmp, 4, &tmp_error);
|
|
if (tmp_error)
|
|
{
|
|
g_propagate_error (error, tmp_error);
|
|
|
|
return i * 4;
|
|
}
|
|
}
|
|
}
|
|
|
|
return count * 4;
|
|
}
|
|
|
|
guint
|
|
xcf_write_float (FILE *fp,
|
|
gfloat *data,
|
|
gint count,
|
|
GError **error)
|
|
{
|
|
return xcf_write_int32 (fp, (guint32 *)((void *)data), count, error);
|
|
}
|
|
|
|
guint
|
|
xcf_write_int8 (FILE *fp,
|
|
guint8 *data,
|
|
gint count,
|
|
GError **error)
|
|
{
|
|
guint total;
|
|
gint bytes;
|
|
|
|
total = count;
|
|
while (count > 0)
|
|
{
|
|
bytes = fwrite ((gchar*) data, sizeof (gchar), count, fp);
|
|
|
|
if (bytes == 0)
|
|
{
|
|
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
|
|
_("Error writing XCF: %s"), g_strerror (errno));
|
|
|
|
return total;
|
|
}
|
|
|
|
count -= bytes;
|
|
data += bytes;
|
|
}
|
|
|
|
return total;
|
|
}
|
|
|
|
guint
|
|
xcf_write_string (FILE *fp,
|
|
gchar **data,
|
|
gint count,
|
|
GError **error)
|
|
{
|
|
GError *tmp_error = NULL;
|
|
guint32 tmp;
|
|
guint total;
|
|
gint i;
|
|
|
|
total = 0;
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (data[i])
|
|
tmp = strlen (data[i]) + 1;
|
|
else
|
|
tmp = 0;
|
|
|
|
xcf_write_int32 (fp, &tmp, 1, &tmp_error);
|
|
if (tmp_error)
|
|
{
|
|
g_propagate_error(error, tmp_error);
|
|
return total;
|
|
}
|
|
|
|
if (tmp > 0)
|
|
xcf_write_int8 (fp, (guint8*) data[i], tmp, &tmp_error);
|
|
if (tmp_error)
|
|
{
|
|
g_propagate_error(error, tmp_error);
|
|
return total;
|
|
}
|
|
|
|
total += 4 + tmp;
|
|
}
|
|
|
|
return total;
|
|
}
|