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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/>.
*/
#ifndef __GIMP_UNDO_H__
#define __GIMP_UNDO_H__
#include "gimpviewable.h"
struct _GimpUndoAccumulator
{
gboolean mode_changed;
gboolean precision_changed;
gboolean size_changed;
gint previous_origin_x;
gint previous_origin_y;
gint previous_width;
gint previous_height;
gboolean resolution_changed;
gboolean unit_changed;
};
#define GIMP_TYPE_UNDO (gimp_undo_get_type ())
#define GIMP_UNDO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_UNDO, GimpUndo))
#define GIMP_UNDO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_UNDO, GimpUndoClass))
#define GIMP_IS_UNDO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_UNDO))
#define GIMP_IS_UNDO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_UNDO))
#define GIMP_UNDO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_UNDO, GimpUndoClass))
typedef struct _GimpUndoClass GimpUndoClass;
struct _GimpUndo
{
GimpViewable parent_instance;
GimpImage *image; /* the image this undo is part of */
guint time; /* time of undo step construction */
GimpUndoType undo_type; /* undo type */
GimpDirtyMask dirty_mask; /* affected parts of the image */
GimpTempBuf *preview;
guint preview_idle_id;
};
struct _GimpUndoClass
{
GimpViewableClass parent_class;
void (* pop) (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
void (* free) (GimpUndo *undo,
GimpUndoMode undo_mode);
};
GType gimp_undo_get_type (void) G_GNUC_CONST;
void gimp_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
void gimp_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode);
void gimp_undo_create_preview (GimpUndo *undo,
GimpContext *context,
gboolean create_now);
void gimp_undo_refresh_preview (GimpUndo *undo,
GimpContext *context);
const gchar * gimp_undo_type_to_name (GimpUndoType type);
gboolean gimp_undo_is_weak (GimpUndo *undo);
gint gimp_undo_get_age (GimpUndo *undo);
void gimp_undo_reset_age (GimpUndo *undo);
#endif /* __GIMP_UNDO_H__ */
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