gimp/app/core/gimpdrawablemodundo.c

152 lines
5.3 KiB
C

/* GIMP - The GNU 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 <glib-object.h>
#include "core-types.h"
#include "base/tile-manager.h"
#include "gimpimage.h"
#include "gimpdrawable.h"
#include "gimpdrawablemodundo.h"
static GObject * gimp_drawable_mod_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static gint64 gimp_drawable_mod_undo_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_drawable_mod_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
static void gimp_drawable_mod_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode);
G_DEFINE_TYPE (GimpDrawableModUndo, gimp_drawable_mod_undo, GIMP_TYPE_ITEM_UNDO)
#define parent_class gimp_drawable_mod_undo_parent_class
static void
gimp_drawable_mod_undo_class_init (GimpDrawableModUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
object_class->constructor = gimp_drawable_mod_undo_constructor;
gimp_object_class->get_memsize = gimp_drawable_mod_undo_get_memsize;
undo_class->pop = gimp_drawable_mod_undo_pop;
undo_class->free = gimp_drawable_mod_undo_free;
}
static void
gimp_drawable_mod_undo_init (GimpDrawableModUndo *undo)
{
}
static GObject *
gimp_drawable_mod_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpDrawableModUndo *drawable_mod_undo;
GimpDrawable *drawable;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object);
g_assert (GIMP_IS_DRAWABLE (GIMP_ITEM_UNDO (object)->item));
drawable = GIMP_DRAWABLE (GIMP_ITEM_UNDO (object)->item);
drawable_mod_undo->tiles = tile_manager_ref (drawable->tiles);
drawable_mod_undo->type = drawable->type;
drawable_mod_undo->offset_x = GIMP_ITEM (drawable)->offset_x;
drawable_mod_undo->offset_y = GIMP_ITEM (drawable)->offset_y;
return object;
}
static gint64
gimp_drawable_mod_undo_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object);
gint64 memsize = 0;
if (drawable_mod_undo->tiles)
memsize += tile_manager_get_memsize (drawable_mod_undo->tiles, FALSE);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
gimp_drawable_mod_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (undo);
GimpDrawable *drawable = GIMP_DRAWABLE (GIMP_ITEM_UNDO (undo)->item);
TileManager *tiles;
GimpImageType type;
gint offset_x, offset_y;
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
tiles = drawable_mod_undo->tiles;
type = drawable_mod_undo->type;
offset_x = drawable_mod_undo->offset_x;
offset_y = drawable_mod_undo->offset_y;
drawable_mod_undo->tiles = tile_manager_ref (drawable->tiles);
drawable_mod_undo->type = drawable->type;
drawable_mod_undo->offset_x = GIMP_ITEM (drawable)->offset_x;
drawable_mod_undo->offset_y = GIMP_ITEM (drawable)->offset_y;
gimp_drawable_set_tiles_full (drawable, FALSE, NULL,
tiles, type, offset_x, offset_y);
tile_manager_unref (tiles);
}
static void
gimp_drawable_mod_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode)
{
GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (undo);
if (drawable_mod_undo->tiles)
{
tile_manager_unref (drawable_mod_undo->tiles);
drawable_mod_undo->tiles = NULL;
}
GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
}