gimp/app/core/gimpundo.h

78 lines
2.7 KiB
C

/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_UNDO_H__
#define __GIMP_UNDO_H__
#include "gimpviewable.h"
#define GIMP_TYPE_UNDO (gimp_undo_get_type ())
#define GIMP_UNDO(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_UNDO, GimpUndo))
#define GIMP_UNDO_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_UNDO, GimpUndoClass))
#define GIMP_IS_UNDO(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_UNDO))
#define GIMP_IS_UNDO_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_UNDO))
typedef gboolean (* GimpUndoPopFunc) (GimpUndo *undo, GimpImage *gimage);
typedef void (* GimpUndoFreeFunc) (GimpUndo *undo);
typedef struct _GimpUndoClass GimpUndoClass;
struct _GimpUndo
{
GimpViewable parent_instance;
gpointer data; /* data to implement the undo */
glong size; /* size of undo item */
gboolean dirties_image; /* TRUE if undo mutates image */
GimpUndoPopFunc pop_func; /* function pointer to undo pop proc */
GimpUndoFreeFunc free_func; /* function pointer to free undo data */
TempBuf *preview;
};
struct _GimpUndoClass
{
GimpViewableClass parent_class;
void (* push) (GimpUndo *undo,
GimpImage *gimage);
void (* pop) (GimpUndo *undo,
GimpImage *gimage);
};
GtkType gimp_undo_get_type (void);
GimpUndo * gimp_undo_new (const gchar *name,
gpointer data,
glong size,
gboolean dirties_image,
GimpUndoPopFunc pop_func,
GimpUndoFreeFunc free_func);
void gimp_undo_push (GimpUndo *undo,
GimpImage *gimage);
void gimp_undo_pop (GimpUndo *undo,
GimpImage *gimage);
#endif /* __GIMP_UNDO_H__ */