gimp/app/core/gimpdrawablemodundo.c

231 lines
7.9 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 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include "core-types.h"
#include "base/tile-manager.h"
#include "gimpimage.h"
#include "gimpdrawable.h"
#include "gimpdrawablemodundo.h"
enum
{
PROP_0,
PROP_COPY_TILES
};
static GObject * gimp_drawable_mod_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_drawable_mod_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_drawable_mod_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
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;
object_class->set_property = gimp_drawable_mod_undo_set_property;
object_class->get_property = gimp_drawable_mod_undo_get_property;
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;
g_object_class_install_property (object_class, PROP_COPY_TILES,
g_param_spec_boolean ("copy-tiles", NULL, NULL,
FALSE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
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;
GimpItem *item;
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));
item = GIMP_ITEM_UNDO (object)->item;
drawable = GIMP_DRAWABLE (item);
if (drawable_mod_undo->copy_tiles)
{
drawable_mod_undo->tiles =
tile_manager_duplicate (gimp_drawable_get_tiles (drawable));
}
else
{
drawable_mod_undo->tiles =
tile_manager_ref (gimp_drawable_get_tiles (drawable));
}
drawable_mod_undo->type = gimp_drawable_type (drawable);
gimp_item_get_offset (item,
&drawable_mod_undo->offset_x,
&drawable_mod_undo->offset_y);
return object;
}
static void
gimp_drawable_mod_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object);
switch (property_id)
{
case PROP_COPY_TILES:
drawable_mod_undo->copy_tiles = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_drawable_mod_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object);
switch (property_id)
{
case PROP_COPY_TILES:
g_value_set_boolean (value, drawable_mod_undo->copy_tiles);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
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;
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;
gint 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 (gimp_drawable_get_tiles (drawable));
drawable_mod_undo->type = gimp_drawable_type (drawable);
gimp_item_get_offset (GIMP_ITEM (drawable),
&drawable_mod_undo->offset_x,
&drawable_mod_undo->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);
}