mirror of https://github.com/GNOME/gimp.git
143 lines
4.3 KiB
C
143 lines
4.3 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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "core-types.h"
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#include "gimpimage.h"
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#include "gimpgrouplayer.h"
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#include "gimpgrouplayerundo.h"
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static void gimp_group_layer_undo_constructed (GObject *object);
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static void gimp_group_layer_undo_pop (GimpUndo *undo,
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GimpUndoMode undo_mode,
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GimpUndoAccumulator *accum);
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G_DEFINE_TYPE (GimpGroupLayerUndo, gimp_group_layer_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_group_layer_undo_parent_class
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static void
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gimp_group_layer_undo_class_init (GimpGroupLayerUndoClass *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->constructed = gimp_group_layer_undo_constructed;
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undo_class->pop = gimp_group_layer_undo_pop;
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}
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static void
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gimp_group_layer_undo_init (GimpGroupLayerUndo *undo)
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{
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}
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static void
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gimp_group_layer_undo_constructed (GObject *object)
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{
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GimpGroupLayerUndo *group_layer_undo = GIMP_GROUP_LAYER_UNDO (object);
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GimpGroupLayer *group;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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g_assert (GIMP_IS_GROUP_LAYER (GIMP_ITEM_UNDO (object)->item));
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group = GIMP_GROUP_LAYER (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_GROUP_LAYER_SUSPEND:
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case GIMP_UNDO_GROUP_LAYER_RESUME:
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break;
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case GIMP_UNDO_GROUP_LAYER_CONVERT:
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group_layer_undo->prev_type = gimp_drawable_get_base_type (GIMP_DRAWABLE (group));
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group_layer_undo->prev_precision = gimp_drawable_get_precision (GIMP_DRAWABLE (group));
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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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static void
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gimp_group_layer_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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GimpGroupLayerUndo *group_layer_undo = GIMP_GROUP_LAYER_UNDO (undo);
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GimpGroupLayer *group;
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group = GIMP_GROUP_LAYER (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_GROUP_LAYER_SUSPEND:
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case GIMP_UNDO_GROUP_LAYER_RESUME:
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if ((undo_mode == GIMP_UNDO_MODE_UNDO &&
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undo->undo_type == GIMP_UNDO_GROUP_LAYER_SUSPEND) ||
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(undo_mode == GIMP_UNDO_MODE_REDO &&
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undo->undo_type == GIMP_UNDO_GROUP_LAYER_RESUME))
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{
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/* resume group layer auto-resizing */
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gimp_group_layer_resume_resize (group, FALSE);
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}
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else
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{
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/* suspend group layer auto-resizing */
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gimp_group_layer_suspend_resize (group, FALSE);
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}
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break;
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case GIMP_UNDO_GROUP_LAYER_CONVERT:
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{
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GimpImageBaseType type;
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GimpPrecision precision;
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type = gimp_drawable_get_base_type (GIMP_DRAWABLE (group));
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precision = gimp_drawable_get_precision (GIMP_DRAWABLE (group));
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gimp_drawable_convert_type (GIMP_DRAWABLE (group),
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gimp_item_get_image (GIMP_ITEM (group)),
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group_layer_undo->prev_type,
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group_layer_undo->prev_precision,
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0, 0,
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FALSE);
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group_layer_undo->prev_type = type;
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group_layer_undo->prev_precision = precision;
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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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