mirror of https://github.com/GNOME/gimp.git
135 lines
3.2 KiB
C
135 lines
3.2 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 <string.h>
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#include <glib-object.h>
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#include "plug-in-types.h"
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#include "core/gimp.h"
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#include "plug-in-data.h"
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typedef struct _PlugInData PlugInData;
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struct _PlugInData
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{
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gchar *identifier;
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gint32 bytes;
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guint8 *data;
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};
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/* public functions */
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void
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plug_in_data_free (Gimp *gimp)
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{
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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if (gimp->plug_in_data_list)
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{
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GList *list;
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for (list = gimp->plug_in_data_list;
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list;
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list = g_list_next (list))
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{
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PlugInData *data = list->data;
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g_free (data->identifier);
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g_free (data->data);
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g_free (data);
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}
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g_list_free (gimp->plug_in_data_list);
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gimp->plug_in_data_list = NULL;
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}
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}
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void
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plug_in_data_set (Gimp *gimp,
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const gchar *identifier,
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gint32 bytes,
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const guint8 *data)
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{
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GList *list;
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PlugInData *plug_in_data;
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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g_return_if_fail (identifier != NULL);
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g_return_if_fail (bytes > 0);
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g_return_if_fail (data != NULL);
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for (list = gimp->plug_in_data_list; list; list = g_list_next (list))
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{
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plug_in_data = list->data;
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if (! strcmp (plug_in_data->identifier, identifier))
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break;
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}
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/* If there isn't already data with the specified identifier, create one */
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if (list == NULL)
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{
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plug_in_data = g_new0 (PlugInData, 1);
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plug_in_data->identifier = g_strdup (identifier);
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gimp->plug_in_data_list = g_list_prepend (gimp->plug_in_data_list,
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plug_in_data);
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}
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else
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{
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g_free (plug_in_data->data);
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}
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plug_in_data->bytes = bytes;
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plug_in_data->data = g_memdup (data, bytes);
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}
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const guint8 *
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plug_in_data_get (Gimp *gimp,
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const gchar *identifier,
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gint32 *bytes)
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{
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GList *list;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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g_return_val_if_fail (identifier != NULL, NULL);
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g_return_val_if_fail (bytes != NULL, NULL);
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*bytes = 0;
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for (list = gimp->plug_in_data_list; list; list = g_list_next (list))
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{
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PlugInData *plug_in_data = list->data;
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if (! strcmp (plug_in_data->identifier, identifier))
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{
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*bytes = plug_in_data->bytes;
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return plug_in_data->data;
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}
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}
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return NULL;
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}
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