2a96d598c3
Largely based on a patch by Ell, with the enum type renamed and various small changes. Adds another axis of configurability to the existing layer mode madness, and is WIP too.
144 lines
4.1 KiB
C
144 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 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 "libgimpbase/gimpbase.h"
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#include "core-types.h"
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#include "gimpimage.h"
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#include "gimplayer.h"
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#include "gimplayerpropundo.h"
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static void gimp_layer_prop_undo_constructed (GObject *object);
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static void gimp_layer_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 (GimpLayerPropUndo, gimp_layer_prop_undo, GIMP_TYPE_ITEM_UNDO)
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#define parent_class gimp_layer_prop_undo_parent_class
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static void
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gimp_layer_prop_undo_class_init (GimpLayerPropUndoClass *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_layer_prop_undo_constructed;
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undo_class->pop = gimp_layer_prop_undo_pop;
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}
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static void
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gimp_layer_prop_undo_init (GimpLayerPropUndo *undo)
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{
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}
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static void
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gimp_layer_prop_undo_constructed (GObject *object)
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{
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GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (object);
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GimpLayer *layer;
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G_OBJECT_CLASS (parent_class)->constructed (object);
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g_assert (GIMP_IS_LAYER (GIMP_ITEM_UNDO (object)->item));
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layer = GIMP_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_LAYER_MODE:
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layer_prop_undo->mode = gimp_layer_get_mode (layer);
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layer_prop_undo->composite = gimp_layer_get_composite (layer);
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break;
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case GIMP_UNDO_LAYER_OPACITY:
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layer_prop_undo->opacity = gimp_layer_get_opacity (layer);
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break;
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case GIMP_UNDO_LAYER_LOCK_ALPHA:
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layer_prop_undo->lock_alpha = gimp_layer_get_lock_alpha (layer);
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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_layer_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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GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (undo);
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GimpLayer *layer = GIMP_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_LAYER_MODE:
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{
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GimpLayerMode mode;
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GimpLayerCompositeMode composite;
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mode = gimp_layer_get_mode (layer);
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composite = gimp_layer_get_composite (layer);
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gimp_layer_set_mode (layer, layer_prop_undo->mode, FALSE);
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gimp_layer_set_composite (layer, layer_prop_undo->composite, FALSE);
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layer_prop_undo->mode = mode;
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layer_prop_undo->composite = composite;
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}
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break;
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case GIMP_UNDO_LAYER_OPACITY:
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{
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gdouble opacity;
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opacity = gimp_layer_get_opacity (layer);
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gimp_layer_set_opacity (layer, layer_prop_undo->opacity, FALSE);
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layer_prop_undo->opacity = opacity;
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}
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break;
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case GIMP_UNDO_LAYER_LOCK_ALPHA:
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{
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gboolean lock_alpha;
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lock_alpha = gimp_layer_get_lock_alpha (layer);
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gimp_layer_set_lock_alpha (layer, layer_prop_undo->lock_alpha, FALSE);
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layer_prop_undo->lock_alpha = lock_alpha;
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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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