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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.
*/
#include "config.h"
#include <stdio.h>
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "xcf-read.h"
#include "gimp-intl.h"
guint
xcf_read_int32 (FILE *fp,
guint32 *data,
gint count)
{
guint total = count;
if (count > 0)
{
xcf_read_int8 (fp, (guint8 *) data, count * 4);
while (count--)
{
*data = g_ntohl (*data);
data++;
}
}
return total * 4;
}
guint
xcf_read_float (FILE *fp,
gfloat *data,
gint count)
{
return xcf_read_int32 (fp, (guint32 *) ((void *) data), count);
}
guint
xcf_read_int8 (FILE *fp,
guint8 *data,
gint count)
{
guint total = count;
while (count > 0)
{
gint bytes = fread ((char *) data, sizeof (char), count, fp);
if (bytes <= 0) /* something bad happened */
break;
count -= bytes;
data += bytes;
}
return total;
}
guint
xcf_read_string (FILE *fp,
gchar **data,
gint count)
{
guint total = 0;
gint i;
for (i = 0; i < count; i++)
{
guint32 tmp;
total += xcf_read_int32 (fp, &tmp, 1);
if (tmp > 0)
{
gchar *str;
str = g_new (gchar, tmp);
total += xcf_read_int8 (fp, (guint8*) str, tmp);
if (str[tmp - 1] != '\0')
str[tmp - 1] = '\0';
data[i] = gimp_any_to_utf8 (str, -1,
_("Invalid UTF-8 string in XCF file"));
g_free (str);
}
else
{
data[i] = NULL;
}
}
return total;
}
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