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/* Gimp - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "gimpimage.h"
#include "gimplayer.h"
#include "gimplayerpropundo.h"
static void gimp_layer_prop_undo_constructed (GObject *object);
static void gimp_layer_prop_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
G_DEFINE_TYPE (GimpLayerPropUndo, gimp_layer_prop_undo, GIMP_TYPE_ITEM_UNDO)
#define parent_class gimp_layer_prop_undo_parent_class
static void
gimp_layer_prop_undo_class_init (GimpLayerPropUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
object_class->constructed = gimp_layer_prop_undo_constructed;
undo_class->pop = gimp_layer_prop_undo_pop;
}
static void
gimp_layer_prop_undo_init (GimpLayerPropUndo *undo)
{
}
static void
gimp_layer_prop_undo_constructed (GObject *object)
{
GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (object);
GimpLayer *layer;
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_assert (GIMP_IS_LAYER (GIMP_ITEM_UNDO (object)->item));
layer = GIMP_LAYER (GIMP_ITEM_UNDO (object)->item);
switch (GIMP_UNDO (object)->undo_type)
{
case GIMP_UNDO_LAYER_MODE:
layer_prop_undo->mode = gimp_layer_get_mode (layer);
layer_prop_undo->blend_space = gimp_layer_get_blend_space (layer);
layer_prop_undo->composite_space = gimp_layer_get_composite_space (layer);
layer_prop_undo->composite_mode = gimp_layer_get_composite_mode (layer);
break;
case GIMP_UNDO_LAYER_OPACITY:
layer_prop_undo->opacity = gimp_layer_get_opacity (layer);
break;
case GIMP_UNDO_LAYER_LOCK_ALPHA:
layer_prop_undo->lock_alpha = gimp_layer_get_lock_alpha (layer);
break;
default:
g_return_if_reached ();
}
}
static void
gimp_layer_prop_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (undo);
GimpLayer *layer = GIMP_LAYER (GIMP_ITEM_UNDO (undo)->item);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
switch (undo->undo_type)
{
case GIMP_UNDO_LAYER_MODE:
{
GimpLayerMode mode;
GimpLayerColorSpace blend_space;
GimpLayerColorSpace composite_space;
GimpLayerCompositeMode composite_mode;
mode = gimp_layer_get_mode (layer);
blend_space = gimp_layer_get_blend_space (layer);
composite_space = gimp_layer_get_composite_space (layer);
composite_mode = gimp_layer_get_composite_mode (layer);
gimp_layer_set_mode (layer, layer_prop_undo->mode,
FALSE);
gimp_layer_set_blend_space (layer, layer_prop_undo->blend_space,
FALSE);
gimp_layer_set_composite_space (layer, layer_prop_undo->composite_space,
FALSE);
gimp_layer_set_composite_mode (layer, layer_prop_undo->composite_mode,
FALSE);
layer_prop_undo->mode = mode;
layer_prop_undo->blend_space = blend_space;
layer_prop_undo->composite_space = composite_space;
layer_prop_undo->composite_mode = composite_mode;
}
break;
case GIMP_UNDO_LAYER_OPACITY:
{
gdouble opacity;
opacity = gimp_layer_get_opacity (layer);
gimp_layer_set_opacity (layer, layer_prop_undo->opacity, FALSE);
layer_prop_undo->opacity = opacity;
}
break;
case GIMP_UNDO_LAYER_LOCK_ALPHA:
{
gboolean lock_alpha;
lock_alpha = gimp_layer_get_lock_alpha (layer);
gimp_layer_set_lock_alpha (layer, layer_prop_undo->lock_alpha, FALSE);
layer_prop_undo->lock_alpha = lock_alpha;
}
break;
default:
g_return_if_reached ();
}
}
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