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Viewing changes to app/paint/gimpinkundo.c

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Holbach
  • Date: 2007-05-02 16:33:03 UTC
  • mfrom: (1.1.4 upstream)
  • Revision ID: james.westby@ubuntu.com-20070502163303-bvzhjzbpw8qglc4y
Tags: 2.3.16-1ubuntu1
* Resynchronized with Debian, remaining Ubuntu changes:
  - debian/rules: i18n magic.
* debian/control.in:
  - Maintainer: Ubuntu Core Developers <ubuntu-devel@lists.ubuntu.com>
* debian/patches/02_help-message.patch,
  debian/patches/03_gimp.desktop.in.in.patch,
  debian/patches/10_dont_show_wizard.patch: updated.
* debian/patches/04_composite-signedness.patch,
  debian/patches/05_add-letter-spacing.patch: dropped, used upstream.

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app/paint/gimpinkundo.c
 
1
/* GIMP - The GNU Image Manipulation Program
 
2
 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 
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 *
 
4
 * This program is free software; you can redistribute it and/or modify
 
5
 * it under the terms of the GNU General Public License as published by
 
6
 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
8
 *
 
9
 * 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
 
11
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
 * GNU General Public License for more details.
 
13
 *
 
14
 * You should have received a copy of the GNU General Public License
 
15
 * along with this program; if not, write to the Free Software
 
16
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
17
 */
 
18
 
 
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#include "config.h"
 
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#include <string.h>
 
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#include <glib-object.h>
 
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#include "paint-types.h"
 
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#include "gimpink.h"
 
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#include "gimpink-blob.h"
 
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#include "gimpinkundo.h"
 
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static GObject * gimp_ink_undo_constructor  (GType                  type,
 
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                                             guint                  n_params,
 
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                                             GObjectConstructParam *params);
 
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static void      gimp_ink_undo_pop          (GimpUndo              *undo,
 
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                                             GimpUndoMode           undo_mode,
 
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                                             GimpUndoAccumulator   *accum);
 
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static void      gimp_ink_undo_free         (GimpUndo              *undo,
 
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                                             GimpUndoMode           undo_mode);
 
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G_DEFINE_TYPE (GimpInkUndo, gimp_ink_undo, GIMP_TYPE_PAINT_CORE_UNDO)
 
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#define parent_class gimp_ink_undo_parent_class
 
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static void
 
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gimp_ink_undo_class_init (GimpInkUndoClass *klass)
 
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{
 
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  GObjectClass  *object_class = G_OBJECT_CLASS (klass);
 
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  GimpUndoClass *undo_class   = GIMP_UNDO_CLASS (klass);
 
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  object_class->constructor = gimp_ink_undo_constructor;
 
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  undo_class->pop           = gimp_ink_undo_pop;
 
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  undo_class->free          = gimp_ink_undo_free;
 
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}
 
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static void
 
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gimp_ink_undo_init (GimpInkUndo *undo)
 
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{
 
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}
 
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static GObject *
 
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gimp_ink_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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  GimpInkUndo *ink_undo;
 
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  GimpInk     *ink;
 
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  object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
 
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  ink_undo = GIMP_INK_UNDO (object);
 
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  g_assert (GIMP_IS_INK (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core));
 
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  ink = GIMP_INK (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core);
 
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  if (ink->start_blob)
 
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    ink_undo->last_blob = blob_duplicate (ink->start_blob);
 
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  memcpy (ink_undo->dt_buffer, ink->dt_buffer,
 
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          sizeof (ink_undo->dt_buffer));
 
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  ink_undo->dt_index = ink->dt_index;
 
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  memcpy (ink_undo->ts_buffer, ink->ts_buffer,
 
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          sizeof (ink_undo->ts_buffer));
 
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  ink_undo->ts_index = ink->ts_index;
 
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  ink_undo->last_time = ink->last_time;
 
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  ink_undo->init_velocity = ink->init_velocity;
 
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  return object;
 
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}
 
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static void
 
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gimp_ink_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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  GimpInkUndo *ink_undo = GIMP_INK_UNDO (undo);
 
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  GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
 
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  if (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core)
 
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    {
 
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      GimpInk *ink = GIMP_INK (GIMP_PAINT_CORE_UNDO (ink_undo)->paint_core);
 
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      Blob    *tmp_blob;
 
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      gint     tmp_int;
 
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      gdouble  tmp_double;
 
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      guint32  tmp_int_buf[DIST_SMOOTHER_BUFFER];
 
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      gdouble  tmp_double_buf[DIST_SMOOTHER_BUFFER];
 
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      tmp_blob = ink->last_blob;
 
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      ink->last_blob = ink_undo->last_blob;
 
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      ink_undo->last_blob = tmp_blob;
 
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      memcpy (tmp_double_buf, ink->dt_buffer,
 
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              sizeof (tmp_double_buf));
 
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      memcpy (ink->dt_buffer, ink_undo->dt_buffer,
 
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              sizeof (tmp_double_buf));
 
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      memcpy (ink_undo->dt_buffer, tmp_double_buf,
 
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              sizeof (tmp_double_buf));
 
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      tmp_int = ink->dt_index;
 
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      ink->dt_index = ink_undo->dt_index;
 
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      ink_undo->dt_index = tmp_int;
 
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      memcpy (tmp_int_buf, ink->ts_buffer,
 
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              sizeof (tmp_int_buf));
 
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      memcpy (ink->ts_buffer, ink_undo->ts_buffer,
 
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              sizeof (tmp_int_buf));
 
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      memcpy (ink_undo->ts_buffer, tmp_int_buf,
 
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              sizeof (tmp_int_buf));
 
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      tmp_int = ink->ts_index;
 
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      ink->ts_index = ink_undo->ts_index;
 
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      ink_undo->ts_index = tmp_int;
 
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      tmp_double = ink->last_time;
 
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      ink->last_time = ink_undo->last_time;
 
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      ink_undo->last_time = tmp_double;
 
149
 
 
150
      tmp_int = ink->init_velocity;
 
151
      ink->init_velocity = ink_undo->init_velocity;
 
152
      ink_undo->init_velocity = tmp_int;
 
153
    }
 
154
}
 
155
 
 
156
static void
 
157
gimp_ink_undo_free (GimpUndo     *undo,
 
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                    GimpUndoMode  undo_mode)
 
159
{
 
160
  GimpInkUndo *ink_undo = GIMP_INK_UNDO (undo);
 
161
 
 
162
  if (ink_undo->last_blob)
 
163
    {
 
164
      g_free (ink_undo->last_blob);
 
165
      ink_undo->last_blob = NULL;
 
166
    }
 
167
 
 
168
  GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
 
169
}