mirror of https://github.com/GNOME/gimp.git
128 lines
2.6 KiB
C
128 lines
2.6 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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#include "config.h"
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#include <stdio.h>
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#include <glib.h>
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#include "xcf-read.h"
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#include "gimp-intl.h"
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guint
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xcf_read_int32 (FILE *fp,
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guint32 *data,
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gint count)
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{
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guint total;
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total = count;
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if (count > 0)
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{
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xcf_read_int8 (fp, (guint8*) data, count * 4);
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while (count--)
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{
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*data = g_ntohl (*data);
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data++;
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}
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}
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return total * 4;
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}
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guint
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xcf_read_float (FILE *fp,
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gfloat *data,
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gint count)
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{
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return (xcf_read_int32(fp, (guint32 *)((void *)data), count));
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}
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guint
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xcf_read_int8 (FILE *fp,
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guint8 *data,
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gint count)
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{
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guint total;
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gint bytes;
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total = count;
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while (count > 0)
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{
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bytes = fread ((char*) data, sizeof (char), count, fp);
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if (bytes <= 0) /* something bad happened */
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break;
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count -= bytes;
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data += bytes;
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}
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return total;
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}
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guint
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xcf_read_string (FILE *fp,
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gchar **data,
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gint count)
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{
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guint32 tmp;
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guint total;
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gint i;
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total = 0;
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for (i = 0; i < count; i++)
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{
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total += xcf_read_int32 (fp, &tmp, 1);
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if (tmp > 0)
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{
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gchar *str;
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str = g_new (gchar, tmp);
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total += xcf_read_int8 (fp, (guint8*) str, tmp);
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if (str[tmp - 1] != '\0')
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str[tmp - 1] = '\0';
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if (! g_utf8_validate (str, -1, NULL))
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{
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gchar *utf8_str;
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utf8_str = g_locale_to_utf8 (str, -1, NULL, NULL, NULL);
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g_free (str);
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if (utf8_str)
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str = utf8_str;
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else
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str = g_strdup (_("(invalid UTF-8 string)"));
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}
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data[i] = str;
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}
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else
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{
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data[i] = NULL;
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}
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}
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return total;
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}
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