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-rw-r--r--app/core/gimplayerpropundo.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/app/core/gimplayerpropundo.c b/app/core/gimplayerpropundo.c
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+++ b/app/core/gimplayerpropundo.c
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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 ();
+ }
+}