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-rw-r--r--app/vectors/gimpvectorsmodundo.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/app/vectors/gimpvectorsmodundo.c b/app/vectors/gimpvectorsmodundo.c
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+++ b/app/vectors/gimpvectorsmodundo.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 "vectors-types.h"
+
+#include "gimpvectors.h"
+#include "gimpvectorsmodundo.h"
+
+
+static void gimp_vectors_mod_undo_constructed (GObject *object);
+
+static gint64 gimp_vectors_mod_undo_get_memsize (GimpObject *object,
+ gint64 *gui_size);
+
+static void gimp_vectors_mod_undo_pop (GimpUndo *undo,
+ GimpUndoMode undo_mode,
+ GimpUndoAccumulator *accum);
+static void gimp_vectors_mod_undo_free (GimpUndo *undo,
+ GimpUndoMode undo_mode);
+
+
+G_DEFINE_TYPE (GimpVectorsModUndo, gimp_vectors_mod_undo, GIMP_TYPE_ITEM_UNDO)
+
+#define parent_class gimp_vectors_mod_undo_parent_class
+
+
+static void
+gimp_vectors_mod_undo_class_init (GimpVectorsModUndoClass *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_vectors_mod_undo_constructed;
+
+ gimp_object_class->get_memsize = gimp_vectors_mod_undo_get_memsize;
+
+ undo_class->pop = gimp_vectors_mod_undo_pop;
+ undo_class->free = gimp_vectors_mod_undo_free;
+}
+
+static void
+gimp_vectors_mod_undo_init (GimpVectorsModUndo *undo)
+{
+}
+
+static void
+gimp_vectors_mod_undo_constructed (GObject *object)
+{
+ GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (object);
+ GimpVectors *vectors;
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_assert (GIMP_IS_VECTORS (GIMP_ITEM_UNDO (object)->item));
+
+ vectors = GIMP_VECTORS (GIMP_ITEM_UNDO (object)->item);
+
+ vectors_mod_undo->vectors =
+ GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
+ G_TYPE_FROM_INSTANCE (vectors)));
+}
+
+static gint64
+gimp_vectors_mod_undo_get_memsize (GimpObject *object,
+ gint64 *gui_size)
+{
+ GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (object);
+ gint64 memsize = 0;
+
+ memsize += gimp_object_get_memsize (GIMP_OBJECT (vectors_mod_undo->vectors),
+ gui_size);
+
+ return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
+ gui_size);
+}
+
+static void
+gimp_vectors_mod_undo_pop (GimpUndo *undo,
+ GimpUndoMode undo_mode,
+ GimpUndoAccumulator *accum)
+{
+ GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (undo);
+ GimpVectors *vectors = GIMP_VECTORS (GIMP_ITEM_UNDO (undo)->item);
+ GimpVectors *temp;
+ gint offset_x;
+ gint offset_y;
+
+ GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
+
+ temp = vectors_mod_undo->vectors;
+
+ vectors_mod_undo->vectors =
+ GIMP_VECTORS (gimp_item_duplicate (GIMP_ITEM (vectors),
+ G_TYPE_FROM_INSTANCE (vectors)));
+
+ gimp_vectors_freeze (vectors);
+
+ gimp_vectors_copy_strokes (temp, vectors);
+
+ gimp_item_get_offset (GIMP_ITEM (temp), &offset_x, &offset_y);
+ gimp_item_set_offset (GIMP_ITEM (vectors), offset_x, offset_y);
+
+ gimp_item_set_size (GIMP_ITEM (vectors),
+ gimp_item_get_width (GIMP_ITEM (temp)),
+ gimp_item_get_height (GIMP_ITEM (temp)));
+
+ g_object_unref (temp);
+
+ gimp_vectors_thaw (vectors);
+}
+
+static void
+gimp_vectors_mod_undo_free (GimpUndo *undo,
+ GimpUndoMode undo_mode)
+{
+ GimpVectorsModUndo *vectors_mod_undo = GIMP_VECTORS_MOD_UNDO (undo);
+
+ g_clear_object (&vectors_mod_undo->vectors);
+
+ GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
+}