mirror of https://github.com/GNOME/gimp.git
139 lines
3.6 KiB
C
139 lines
3.6 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 <glib-object.h>
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#include "core-types.h"
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#include "gimpimage.h"
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#include "gimpitem.h"
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#include "gimpitemundo.h"
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static void gimp_item_undo_class_init (GimpItemUndoClass *klass);
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static void gimp_item_undo_init (GimpItemUndo *undo);
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static void gimp_item_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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static GimpUndoClass *parent_class = NULL;
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GType
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gimp_item_undo_get_type (void)
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{
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static GType undo_type = 0;
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if (! undo_type)
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{
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static const GTypeInfo undo_info =
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{
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sizeof (GimpItemUndoClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_item_undo_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpItemUndo),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_item_undo_init,
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};
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undo_type = g_type_register_static (GIMP_TYPE_UNDO,
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"GimpItemUndo",
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&undo_info, 0);
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}
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return undo_type;
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}
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static void
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gimp_item_undo_class_init (GimpItemUndoClass *klass)
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{
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GObjectClass *object_class;
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GimpUndoClass *undo_class;
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object_class = G_OBJECT_CLASS (klass);
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undo_class = GIMP_UNDO_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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undo_class->free = gimp_item_undo_free;
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}
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static void
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gimp_item_undo_init (GimpItemUndo *undo)
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{
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undo->item = NULL;
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}
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static void
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gimp_item_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpItemUndo *item_undo;
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item_undo = GIMP_ITEM_UNDO (undo);
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GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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if (item_undo->item)
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{
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g_object_unref (item_undo->item);
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item_undo->item = NULL;
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}
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}
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GimpUndo *
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gimp_item_undo_new (GimpImage *gimage,
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GimpItem *item,
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GimpUndoType undo_type,
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const gchar *name,
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gpointer data,
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gsize size,
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gboolean dirties_image,
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GimpUndoPopFunc pop_func,
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GimpUndoFreeFunc free_func)
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{
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GimpUndo *undo;
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g_return_val_if_fail (GIMP_IS_IMAGE (gimage), NULL);
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g_return_val_if_fail (GIMP_IS_ITEM (item), NULL);
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g_return_val_if_fail (name != NULL, NULL);
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g_return_val_if_fail (size == 0 || data != NULL, NULL);
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undo = g_object_new (GIMP_TYPE_ITEM_UNDO,
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"name", name,
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NULL);
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undo->gimage = gimage;
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undo->undo_type = undo_type;
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undo->data = data;
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undo->size = size;
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undo->dirties_image = dirties_image ? TRUE : FALSE;
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undo->pop_func = pop_func;
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undo->free_func = free_func;
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GIMP_ITEM_UNDO (undo)->item = g_object_ref (item);
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return undo;
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}
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