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2326e1b979
2004-03-21 Sven Neumann <sven@gimp.org> * app/core/gimpundo.[ch]: added gimp_undo_type_to_name() a similar function used to live in gimpimage-undo.[ch]. * app/core/gimpitemundo.c (gimp_item_undo_new): allow NULL as name and generate it from the undo_type then. * app/core/gimpimage-undo.[ch]: added gimp_image_undo_push_undu(), new function that allows to push an undo on the image. * app/text/Makefile.am * app/text/text-types.h * app/text/gimptextundo.[ch]: added GimpTextUndo, derived from GimpItemUndo. * app/core/gimpimage-undo-push.c (gimp_image_undo_push_text_layer): use the new code and simply push a text undo here. * app/tools/gimptexttool.c: compress text undos by peeking at the undo stack. Fixes bug #137766.
103 lines
3.8 KiB
C
103 lines
3.8 KiB
C
/* The GIMP -- an 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_UNDO_H__
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#define __GIMP_UNDO_H__
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#include "gimpviewable.h"
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struct _GimpUndoAccumulator
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{
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gboolean mode_changed;
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gboolean size_changed;
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gboolean resolution_changed;
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gboolean unit_changed;
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gboolean qmask_changed;
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gboolean alpha_changed;
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};
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#define GIMP_TYPE_UNDO (gimp_undo_get_type ())
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#define GIMP_UNDO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_UNDO, GimpUndo))
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#define GIMP_UNDO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_UNDO, GimpUndoClass))
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#define GIMP_IS_UNDO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_UNDO))
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#define GIMP_IS_UNDO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_UNDO))
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#define GIMP_UNDO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_UNDO, GimpUndoClass))
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typedef struct _GimpUndoClass GimpUndoClass;
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struct _GimpUndo
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{
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GimpViewable parent_instance;
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GimpImage *gimage; /* the image this undo is part of */
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GimpUndoType undo_type; /* undo type */
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gpointer data; /* data to implement the undo */
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gint64 size; /* size of undo item */
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gboolean dirties_image; /* TRUE if undo mutates image */
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GimpUndoPopFunc pop_func; /* function pointer to undo pop proc */
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GimpUndoFreeFunc free_func; /* function pointer to free undo data */
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TempBuf *preview;
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guint preview_idle_id;
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};
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struct _GimpUndoClass
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{
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GimpViewableClass parent_class;
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void (* pop) (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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void (* free) (GimpUndo *undo,
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GimpUndoMode undo_mode);
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};
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GType gimp_undo_get_type (void) G_GNUC_CONST;
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GimpUndo * gimp_undo_new (GimpImage *gimage,
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GimpUndoType undo_type,
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const gchar *name,
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gpointer data,
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gint64 size,
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gboolean dirties_image,
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GimpUndoPopFunc pop_func,
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GimpUndoFreeFunc free_func);
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void gimp_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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void gimp_undo_free (GimpUndo *undo,
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GimpUndoMode undo_mode);
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void gimp_undo_create_preview (GimpUndo *undo,
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gboolean create_now);
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void gimp_undo_refresh_preview (GimpUndo *undo);
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const gchar * gimp_undo_type_to_name (GimpUndoType type);
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#endif /* __GIMP_UNDO_H__ */
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