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Diffstat (limited to 'app/core/gimpdrawablemodundo.c')
| -rw-r--r-- | app/core/gimpdrawablemodundo.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/app/core/gimpdrawablemodundo.c b/app/core/gimpdrawablemodundo.c new file mode 100644 index 0000000..5c3e897 --- /dev/null +++ b/app/core/gimpdrawablemodundo.c @@ -0,0 +1,216 @@ +/* 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 "core-types.h" + +#include "gegl/gimp-gegl-utils.h" + +#include "gimp-memsize.h" +#include "gimpimage.h" +#include "gimpdrawable.h" +#include "gimpdrawablemodundo.h" + + +enum +{ + PROP_0, + PROP_COPY_BUFFER +}; + + +static void gimp_drawable_mod_undo_constructed (GObject *object); +static void gimp_drawable_mod_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec); +static void gimp_drawable_mod_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec); + +static gint64 gimp_drawable_mod_undo_get_memsize (GimpObject *object, + gint64 *gui_size); + +static void gimp_drawable_mod_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum); +static void gimp_drawable_mod_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode); + + +G_DEFINE_TYPE (GimpDrawableModUndo, gimp_drawable_mod_undo, GIMP_TYPE_ITEM_UNDO) + +#define parent_class gimp_drawable_mod_undo_parent_class + + +static void +gimp_drawable_mod_undo_class_init (GimpDrawableModUndoClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass); + GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass); + + object_class->constructed = gimp_drawable_mod_undo_constructed; + object_class->set_property = gimp_drawable_mod_undo_set_property; + object_class->get_property = gimp_drawable_mod_undo_get_property; + + gimp_object_class->get_memsize = gimp_drawable_mod_undo_get_memsize; + + undo_class->pop = gimp_drawable_mod_undo_pop; + undo_class->free = gimp_drawable_mod_undo_free; + + g_object_class_install_property (object_class, PROP_COPY_BUFFER, + g_param_spec_boolean ("copy-buffer", + NULL, NULL, + FALSE, + GIMP_PARAM_READWRITE | + G_PARAM_CONSTRUCT_ONLY)); +} + +static void +gimp_drawable_mod_undo_init (GimpDrawableModUndo *undo) +{ +} + +static void +gimp_drawable_mod_undo_constructed (GObject *object) +{ + GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object); + GimpItem *item; + GimpDrawable *drawable; + + G_OBJECT_CLASS (parent_class)->constructed (object); + + gimp_assert (GIMP_IS_DRAWABLE (GIMP_ITEM_UNDO (object)->item)); + + item = GIMP_ITEM_UNDO (object)->item; + drawable = GIMP_DRAWABLE (item); + + if (drawable_mod_undo->copy_buffer) + { + drawable_mod_undo->buffer = + gimp_gegl_buffer_dup (gimp_drawable_get_buffer (drawable)); + } + else + { + drawable_mod_undo->buffer = + g_object_ref (gimp_drawable_get_buffer (drawable)); + } + + gimp_item_get_offset (item, + &drawable_mod_undo->offset_x, + &drawable_mod_undo->offset_y); +} + +static void +gimp_drawable_mod_undo_set_property (GObject *object, + guint property_id, + const GValue *value, + GParamSpec *pspec) +{ + GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object); + + switch (property_id) + { + case PROP_COPY_BUFFER: + drawable_mod_undo->copy_buffer = g_value_get_boolean (value); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static void +gimp_drawable_mod_undo_get_property (GObject *object, + guint property_id, + GValue *value, + GParamSpec *pspec) +{ + GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object); + + switch (property_id) + { + case PROP_COPY_BUFFER: + g_value_set_boolean (value, drawable_mod_undo->copy_buffer); + break; + + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + break; + } +} + +static gint64 +gimp_drawable_mod_undo_get_memsize (GimpObject *object, + gint64 *gui_size) +{ + GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (object); + gint64 memsize = 0; + + memsize += gimp_gegl_buffer_get_memsize (drawable_mod_undo->buffer); + + return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object, + gui_size); +} + +static void +gimp_drawable_mod_undo_pop (GimpUndo *undo, + GimpUndoMode undo_mode, + GimpUndoAccumulator *accum) +{ + GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (undo); + GimpDrawable *drawable = GIMP_DRAWABLE (GIMP_ITEM_UNDO (undo)->item); + GeglBuffer *buffer; + gint offset_x; + gint offset_y; + + GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum); + + buffer = drawable_mod_undo->buffer; + offset_x = drawable_mod_undo->offset_x; + offset_y = drawable_mod_undo->offset_y; + + drawable_mod_undo->buffer = g_object_ref (gimp_drawable_get_buffer (drawable)); + + gimp_item_get_offset (GIMP_ITEM (drawable), + &drawable_mod_undo->offset_x, + &drawable_mod_undo->offset_y); + + gimp_drawable_set_buffer_full (drawable, FALSE, NULL, + buffer, + GEGL_RECTANGLE (offset_x, offset_y, 0, 0), + TRUE); + g_object_unref (buffer); +} + +static void +gimp_drawable_mod_undo_free (GimpUndo *undo, + GimpUndoMode undo_mode) +{ + GimpDrawableModUndo *drawable_mod_undo = GIMP_DRAWABLE_MOD_UNDO (undo); + + g_clear_object (&drawable_mod_undo->buffer); + + GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode); +} |