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/* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "vectors-types.h"
#include "libgimpbase/gimpbase.h"
#include "core/gimpimage.h"
#include "gimppath.h"
#include "gimppathundo.h"
enum
{
PROP_0,
PROP_PREV_PARENT,
PROP_PREV_POSITION,
PROP_PREV_PATHS
};
static void gimp_path_undo_constructed (GObject *object);
static void gimp_path_undo_finalize (GObject *object);
static void gimp_path_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_path_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_path_undo_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_path_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
G_DEFINE_TYPE (GimpPathUndo, gimp_path_undo, GIMP_TYPE_ITEM_UNDO)
#define parent_class gimp_path_undo_parent_class
static void
gimp_path_undo_class_init (GimpPathUndoClass *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->constructed = gimp_path_undo_constructed;
object_class->finalize = gimp_path_undo_finalize;
object_class->set_property = gimp_path_undo_set_property;
object_class->get_property = gimp_path_undo_get_property;
gimp_object_class->get_memsize = gimp_path_undo_get_memsize;
undo_class->pop = gimp_path_undo_pop;
g_object_class_install_property (object_class, PROP_PREV_PARENT,
g_param_spec_object ("prev-parent",
NULL, NULL,
GIMP_TYPE_PATH,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_PREV_POSITION,
g_param_spec_int ("prev-position", NULL, NULL,
0, G_MAXINT, 0,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_PREV_PATHS,
g_param_spec_pointer ("prev-paths", NULL, NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_path_undo_init (GimpPathUndo *undo)
{
undo->prev_paths = NULL;
}
static void
gimp_path_undo_constructed (GObject *object)
{
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_assert (GIMP_IS_PATH (GIMP_ITEM_UNDO (object)->item));
}
static void
gimp_path_undo_finalize (GObject *object)
{
GimpPathUndo *undo = GIMP_PATH_UNDO (object);
g_clear_pointer (&undo->prev_paths, g_list_free);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_path_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpPathUndo *path_undo = GIMP_PATH_UNDO (object);
switch (property_id)
{
case PROP_PREV_PARENT:
path_undo->prev_parent = g_value_get_object (value);
break;
case PROP_PREV_POSITION:
path_undo->prev_position = g_value_get_int (value);
break;
case PROP_PREV_PATHS:
path_undo->prev_paths = g_list_copy (g_value_get_pointer (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_path_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpPathUndo *path_undo = GIMP_PATH_UNDO (object);
switch (property_id)
{
case PROP_PREV_PARENT:
g_value_set_object (value, path_undo->prev_parent);
break;
case PROP_PREV_POSITION:
g_value_set_int (value, path_undo->prev_position);
break;
case PROP_PREV_PATHS:
g_value_set_pointer (value, path_undo->prev_paths);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
gimp_path_undo_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpItemUndo *item_undo = GIMP_ITEM_UNDO (object);
gint64 memsize = 0;
if (! gimp_item_is_attached (item_undo->item))
memsize += gimp_object_get_memsize (GIMP_OBJECT (item_undo->item),
gui_size);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
gimp_path_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpPathUndo *path_undo = GIMP_PATH_UNDO (undo);
GimpPath *path = GIMP_PATH (GIMP_ITEM_UNDO (undo)->item);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
if ((undo_mode == GIMP_UNDO_MODE_UNDO &&
undo->undo_type == GIMP_UNDO_PATH_ADD) ||
(undo_mode == GIMP_UNDO_MODE_REDO &&
undo->undo_type == GIMP_UNDO_PATH_REMOVE))
{
/* remove path */
/* record the current parent and position */
path_undo->prev_parent = gimp_path_get_parent (path);
path_undo->prev_position = gimp_item_get_index (GIMP_ITEM (path));
gimp_image_remove_path (undo->image, path, FALSE,
path_undo->prev_paths);
}
else
{
/* restore path */
/* record the active path */
g_clear_pointer (&path_undo->prev_paths, g_list_free);
path_undo->prev_paths = g_list_copy (gimp_image_get_selected_paths (undo->image));
gimp_image_add_path (undo->image, path,
path_undo->prev_parent,
path_undo->prev_position, FALSE);
}
}
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