mirror of https://github.com/GNOME/gimp.git
136 lines
4.1 KiB
C
136 lines
4.1 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 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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#include "config.h"
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#include <glib-object.h>
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#include "libgimpbase/gimpbase.h"
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#include "core-types.h"
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#include "gimpimage.h"
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#include "gimpchannel.h"
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#include "gimpchannelpropundo.h"
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static GObject * gimp_channel_prop_undo_constructor (GType type,
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guint n_params,
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GObjectConstructParam *params);
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static void gimp_channel_prop_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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G_DEFINE_TYPE (GimpChannelPropUndo, gimp_channel_prop_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_channel_prop_undo_parent_class
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static void
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gimp_channel_prop_undo_class_init (GimpChannelPropUndoClass *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_channel_prop_undo_constructor;
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undo_class->pop = gimp_channel_prop_undo_pop;
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}
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static void
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gimp_channel_prop_undo_init (GimpChannelPropUndo *undo)
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{
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}
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static GObject *
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gimp_channel_prop_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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GimpChannelPropUndo *channel_prop_undo;
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GimpImage *image;
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GimpChannel *channel;
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object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
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channel_prop_undo = GIMP_CHANNEL_PROP_UNDO (object);
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g_assert (GIMP_IS_CHANNEL (GIMP_ITEM_UNDO (object)->item));
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image = GIMP_UNDO (object)->image;
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channel = GIMP_CHANNEL (GIMP_ITEM_UNDO (object)->item);
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switch (GIMP_UNDO (object)->undo_type)
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{
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case GIMP_UNDO_CHANNEL_REPOSITION:
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channel_prop_undo->position = gimp_image_get_channel_index (image, channel);
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break;
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case GIMP_UNDO_CHANNEL_COLOR:
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gimp_channel_get_color (channel, &channel_prop_undo->color);
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break;
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default:
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g_assert_not_reached ();
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}
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return object;
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}
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static void
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gimp_channel_prop_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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GimpChannelPropUndo *channel_prop_undo = GIMP_CHANNEL_PROP_UNDO (undo);
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GimpChannel *channel = GIMP_CHANNEL (GIMP_ITEM_UNDO (undo)->item);
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GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
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switch (undo->undo_type)
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{
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case GIMP_UNDO_CHANNEL_REPOSITION:
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{
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gint position;
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position = gimp_image_get_channel_index (undo->image, channel);
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gimp_image_position_channel (undo->image, channel,
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channel_prop_undo->position,
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FALSE, NULL);
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channel_prop_undo->position = position;
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}
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break;
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case GIMP_UNDO_CHANNEL_COLOR:
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{
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GimpRGB color;
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gimp_channel_get_color (channel, &color);
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gimp_channel_set_color (channel, &channel_prop_undo->color, FALSE);
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channel_prop_undo->color = color;
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}
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break;
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default:
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g_assert_not_reached ();
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}
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}
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