mirror of https://github.com/GNOME/gimp.git
155 lines
5.3 KiB
C
155 lines
5.3 KiB
C
/* GIMP - The GNU 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include "core-types.h"
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#include "base/tile-manager.h"
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#include "gimpimage.h"
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#include "gimpdrawable.h"
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#include "gimpdrawablemodundo.h"
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static GObject * gimp_drawable_mod_undo_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static gint64 gimp_drawable_mod_undo_get_memsize (GimpObject *object,
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gint64 *gui_size);
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static void gimp_drawable_mod_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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static void gimp_drawable_mod_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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G_DEFINE_TYPE (GimpDrawableModUndo, gimp_drawable_mod_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_drawable_mod_undo_parent_class
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static void
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gimp_drawable_mod_undo_class_init (GimpDrawableModUndoClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
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GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
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object_class->constructor = gimp_drawable_mod_undo_constructor;
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gimp_object_class->get_memsize = gimp_drawable_mod_undo_get_memsize;
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undo_class->pop = gimp_drawable_mod_undo_pop;
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undo_class->free = gimp_drawable_mod_undo_free;
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}
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static void
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gimp_drawable_mod_undo_init (GimpDrawableModUndo *undo)
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{
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}
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static GObject *
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gimp_drawable_mod_undo_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params)
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{
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GObject *object;
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GimpDrawableModUndo *drawable_mod_undo;
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GimpDrawable *drawable;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object);
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g_assert (GIMP_IS_DRAWABLE (GIMP_ITEM_UNDO (object)->item));
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drawable = GIMP_DRAWABLE (GIMP_ITEM_UNDO (object)->item);
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drawable_mod_undo->tiles = tile_manager_ref (gimp_drawable_get_tiles (drawable));
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drawable_mod_undo->type = gimp_drawable_type (drawable);
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gimp_item_get_offset (GIMP_ITEM (drawable),
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&drawable_mod_undo->offset_x,
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&drawable_mod_undo->offset_y);
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return object;
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}
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static gint64
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gimp_drawable_mod_undo_get_memsize (GimpObject *object,
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gint64 *gui_size)
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{
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GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object);
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gint64 memsize = 0;
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memsize += tile_manager_get_memsize (drawable_mod_undo->tiles, FALSE);
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return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
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gui_size);
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}
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static void
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gimp_drawable_mod_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum)
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{
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GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (undo);
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GimpDrawable *drawable = GIMP_DRAWABLE (GIMP_ITEM_UNDO (undo)->item);
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TileManager *tiles;
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GimpImageType type;
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gint offset_x;
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gint offset_y;
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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tiles = drawable_mod_undo->tiles;
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type = drawable_mod_undo->type;
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offset_x = drawable_mod_undo->offset_x;
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offset_y = drawable_mod_undo->offset_y;
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drawable_mod_undo->tiles = tile_manager_ref (gimp_drawable_get_tiles (drawable));
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drawable_mod_undo->type = drawable->type;
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gimp_item_get_offset (GIMP_ITEM (drawable),
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&drawable_mod_undo->offset_x,
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&drawable_mod_undo->offset_y);
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gimp_drawable_set_tiles_full (drawable, FALSE, NULL,
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tiles, type, offset_x, offset_y);
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tile_manager_unref (tiles);
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}
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static void
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gimp_drawable_mod_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode)
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{
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GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (undo);
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if (drawable_mod_undo->tiles)
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{
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tile_manager_unref (drawable_mod_undo->tiles);
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drawable_mod_undo->tiles = NULL;
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}
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GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
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}
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