gimp/app/vectors/gimpvectorsmodundo.c

146 lines
4.8 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 <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "vectors-types.h"
#include "gimpvectors.h"
#include "gimpvectorsmodundo.h"
static void gimp_vectors_mod_undo_constructed (GObject *object);
static gint64 gimp_vectors_mod_undo_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_vectors_mod_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
static void gimp_vectors_mod_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode);
G_DEFINE_TYPE (GimpVectorsModUndo, gimp_vectors_mod_undo, GIMP_TYPE_ITEM_UNDO)
#define parent_class gimp_vectors_mod_undo_parent_class
static void
gimp_vectors_mod_undo_class_init (GimpVectorsModUndoClass *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_vectors_mod_undo_constructed;
gimp_object_class->get_memsize = gimp_vectors_mod_undo_get_memsize;
undo_class->pop = gimp_vectors_mod_undo_pop;
undo_class->free = gimp_vectors_mod_undo_free;
}
static void
gimp_vectors_mod_undo_init (GimpVectorsModUndo *undo)
{
}
static void
gimp_vectors_mod_undo_constructed (GObject *object)
{
GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (object);
GimpVectors *vectors;
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (GIMP_IS_VECTORS (GIMP_ITEM_UNDO (object)->item));
vectors = GIMP_VECTORS (GIMP_ITEM_UNDO (object)->item);
vectors_mod_undo->vectors =
GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
G_TYPE_FROM_INSTANCE (vectors)));
}
static gint64
gimp_vectors_mod_undo_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (object);
gint64 memsize = 0;
memsize += gimp_object_get_memsize (GIMP_OBJECT (vectors_mod_undo->vectors),
gui_size);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
gimp_vectors_mod_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (undo);
GimpVectors *vectors = GIMP_VECTORS (GIMP_ITEM_UNDO (undo)->item);
GimpVectors *temp;
gint offset_x;
gint offset_y;
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
temp = vectors_mod_undo->vectors;
vectors_mod_undo->vectors =
GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
G_TYPE_FROM_INSTANCE (vectors)));
gimp_vectors_freeze (vectors);
gimp_vectors_copy_strokes (temp, vectors);
gimp_item_get_offset (GIMP_ITEM (temp), &offset_x, &offset_y);
gimp_item_set_offset (GIMP_ITEM (vectors), offset_x, offset_y);
gimp_item_set_size (GIMP_ITEM (vectors),
gimp_item_get_width (GIMP_ITEM (temp)),
gimp_item_get_height (GIMP_ITEM (temp)));
g_object_unref (temp);
gimp_vectors_thaw (vectors);
}
static void
gimp_vectors_mod_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode)
{
GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (undo);
if (vectors_mod_undo->vectors)
{
g_object_unref (vectors_mod_undo->vectors);
vectors_mod_undo->vectors = NULL;
}
GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
}