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Diffstat (limited to 'app/core/gimplayerpropundo.c')
| -rw-r--r-- | app/core/gimplayerpropundo.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/app/core/gimplayerpropundo.c b/app/core/gimplayerpropundo.c new file mode 100644 index 0000000..73e3e02 --- /dev/null +++ b/app/core/gimplayerpropundo.c @@ -0,0 +1,157 @@ +/* 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 (); + } +} |